country living - a homeowner's guide

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  • 8/3/2019 Country Living - A Homeowner's Guide

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    C O U N T R Y L I V I N G :

    College of Agricultural Sciences

    Cooperative Extension

    A H o m e o w n e r s

    G u i d e

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    With peace and quiet comes

    responsibility

    *If you need a new water or septic system,

    either because you are building a new house

    or your old system n eeds replacement , you

    should contact Pennsylvanias Department of

    Environmental Protection (DEP) or th e Penn

    State Cooperative Extension office in your

    county for information on the various systems

    and which are best suited to your area or plot

    of land.

    hances are that you have chosen to

    live in the country because you cherish

    the peace and quiet, the wide open

    spaces, and the beauty of nature. How-

    ever, with this enjoyment and indepen-dence often comes responsibility. Most

    drinking water supply and sewage

    disposal in rural areas of Pennsylvania is

    done on-lot. As the property owner, you

    are responsible for maintaining your

    drinking water and septic systems.

    Understanding how they work and how

    to keep them operating efficient ly is good

    for your familys health and for your

    household budget; replacing these

    systems can be expensive.

    C This publication covers the basics of

    private drinking water supply, on-lot

    wastewater disposal, and the authorities

    and workings of township government . It

    was written with the assumption thatyour house already has a working

    drinking water supply system and a septic

    system, or that you will soon purchase a

    house with these systems already in

    place.* The publication also discusses the

    changing face of Pennsylvanias country-

    side and farmer-nonfarmer relations, and

    provides further sources of information

    for each of these topics. Being informed

    and having realistic expectations about

    country living will increase the chances

    that your life in the country will be

    pleasant.

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    To safeguard the quality of your well

    water, there are a number of precautions

    that should have been taken during

    construction. If you find that your well

    does not have the safety features de-

    scribed below, you should talk to aprofessional about revamping the well,

    especially if you have had quant ity or

    quality problems.

    You should have records of the yield of

    the well, ideally from tests done in wet

    and dry seasons. You should also have

    information about the well specifications

    its diameter, depth, length of grouting,

    etc., as shown in Figure 2. Carefulrecords of quant ity and quality measures

    provide a baseline against which to

    compare future changes. Note any

    unusual noise or vibration while the

    pump or motor is running or upon

    starting or stopping. This could indicate

    that well maintenance is required, as

    could a sudden decrease in water pres-

    sure. Routine maintenance is necessary

    on any piece of equipment. Performing

    this maintenance will help protect your

    investment by prolonging the life of your

    well. Having records of well maintenance

    will help allay concerns about the water

    system should you decide to sell your

    home.

    Spring Water

    A similar set of potential contamination

    and maintenance issues accompanies

    water obtained from a spring, a place

    where groundwater discharges to the land

    surface. Be sure that t he spring to be used

    for drinking water is present all year long

    not just in the wettest seasons. If thestream is intermittent, it may be possible

    to store water in a holding tank during

    periods of high flow for use in drier

    months. It is common to need disinfec-

    tion equipment for spring water because

    it is often subject to surface contamina-

    tion. Make certain there are no contami-

    nation sources uphill of your spring. You

    should landscape the area so that all

    surface water is diverted from the spring.

    If you not ice that your spring water

    becomes muddy after a rain storm, th is is

    a sign that surface water is supplying asubstantial part of the flow; it is probably

    best not to drink this water. Such a

    spring is also quite likely to dry up in the

    summer months.

    The place where the spring emerges from

    the ground should be covered with a

    concrete spring box, an overflow pipe,

    and a method of accessing, emptying,

    and cleaning out the spring box (Figure

    3). Springs should also be shock chlori-

    nated upon completion of construction.

    Drinking Water Systems

    One of the most important responsibili-

    ties rural residents face is ensuring that

    they and their families have safe water to

    drink. Groundwater from private

    individual wells is the chief source of

    drinking water for most rural Pennsylva-

    nia residents. Groundwater is contained

    in pore spaces between rock and soil

    particles below ground.

    Well Water

    Most groundwater delivery systems are

    composed of a well, a submersible pump,

    a pressure tank, and plumbing. The pump

    is most often located near the bottom of

    the well. Most pumps and pressure tankscan be expected to last about 10 years.

    Wells drilled in unconsolidated bedrock,

    such as sand and gravel, often produce

    large quantit ies of high quality water. In

    consolidated bedrock a well drilled at the

    intersection of two fractures in the rock

    will produce the largest amount of

    potable water. If water quantity is a

    severe problem for you, you might

    consult a well driller experienced in your

    area or a qualified hydrogeologist. In

    Pennsylvania it is not usually necessaryto drill deeper than 200 feet to tap a

    supply of safe groundwater.

    Soils have varying abilities to filter out

    contaminants as surface water flows

    down to the water table. Clays and fine

    sands have better filtration capabilities

    than coarse materials such as sands and

    gravels. Normally, the more soil water

    passes through, the cleaner it becomes.

    Bacterial contamination is one of the

    most common problems with well waterand is most often due to poor location of

    the well or inadequate construction.

    Wells should be located up slope from

    potential sources of contamination. DEP

    recommends that wells be at least 50 feet

    from a septic tank and at least 100 feet

    from an underground wastewater seepage

    field.

    Protecting Well Water Quality

    through Proper Construction

    A well should be lined with a steel

    or plastic casing all the way down to

    the water intake screen (Figure 1).

    The casing should extend at least 8

    inches above the ground, higher ifyour land is prone to flooding, so

    that surface water can never

    contaminate your well through the

    top hole. To avoid contamination of

    the water as it passes from the well

    into the house, a pitless adapter or

    above-ground discharge adapter

    should be used to connect the

    water service line from the home to

    the well casing below the frost line

    in the soil. Cement grouting should

    be pored around the outside of the

    well, usually for the entire length of

    the casing. Grouting and casingtechniques differ for wells drilled in

    consolidated and unconsolidated

    rock.

    In the final stages of construction,

    your well should have been shock

    chlorinated with the appropriate

    amount of household bleach as

    determined by the depth of water in

    the well and the well diameter

    (Table 1). In order to sterilize the

    equipment in the well there must be

    a concentration of at least 100 parts

    per million of chlorine in the water inthe well. For further information on

    any of the above topics, obtain

    Penn State Cooperative Extension

    Circular 345: Safeguarding Wells

    and Springs from Bacterial Con-

    tamination. Ordering information

    appears at the end of this publica-

    tion.

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    Water Quality: Testing for Bacterial

    ContaminationAs a private drinking water system

    operator, your health and that of your

    family could depend on the initiative you

    take to get the water analyzed. An

    annual test for total coliform bacteria is

    the absolute minimum recommended

    testing; a test every six months is

    preferred. Water-borne bacteria can

    cause gastrointestinal illnesses such as

    giardiasis. While most coliform bacteria

    will not cause illness, they suggest the

    presence of other potentially pathogenic

    organisms such as fecal coliform andGiardia because these may all be present

    in human or animal waste. Saturated soil

    with large pore spaces, such as coarse

    sand, may not adequately filter pathogens

    out of surface water.

    The Federal Safe Drinking Water Act of

    1972 and subsequent amendments

    established a process for the U.S.

    Environmental Protection Agency

    (EPA) to develop water quality standards

    for public water supply facilities. The

    primary standards are set for healthreasons and the secondary standards

    pertain to aesthetic issues. Although

    water quality of private systems is not

    regulated, these standards can serve as a

    reference to check the relative quality of

    your water. Check the yellow pages for

    certified water quality testing laborato-

    ries; more than 100 laboratories in

    Pennsylvania perform bacteria t esting for

    about $15. DEP will also test your water

    for bacteria for about $10. You can get

    Source: Adapted from Manual of Individual Water Supply Systems, EPA-430/9-74-007, U.S.

    Environmental Protection Agency.

    Plug

    Sanitary well cover (vented)

    Lift-out device

    Submersible power cable

    Conduit

    Frost line

    Discharge fitting

    Flexible connectionDischarge line to basement

    Pitless adapter

    Casing

    Locking device

    Check valve

    Snifter valve or air charger

    Cement grout formation seal

    Submersible pump

    Packer

    Screen

    Table 1. Amount of bleach required to

    disinfect well water.

    Water Well diameter (inches)

    depth

    (feet) 6 8 10 24 32 36

    10 1 c 1 c 2 c 3 qt 4 qt 6 qt

    20 1 c 2 c 4 c 5 qt 8 qt 10 qt

    30 2 c 4 c 3 pt

    40 1 pt 2 pt 4 pt

    60 2 pt 3 pt 6 pt

    80 2 pt 4 pt 7 pt

    100 3 pt 5 pt 4 qt

    50 5 pt 4 qt 6 qt

    Note: The table shows the quantity of

    household laundry bleach (5.25 percent

    chlorine, approved for water disinfection)

    required to develop a concentration of 100 ppm

    of chlorine in clear water standing in the well. If

    you cannot determine the depth of the water in

    your well, use the following guidelines:

    For wells up to 8 inches in diameter

    holding less than 80 feet of water, mix a

    minimum of 1/2 gallon of chlorine bleachwith

    about 10 gallons of water.

    For wells with more than 80 feet of water,

    use 1 gallon of bleach. In any case, it isbetter to use too much chlorine than too

    little.

    Source: Adapted from How to Disinfect a

    Water System, Agricultural Engineering Fact

    Sheet SW4.

    Figure 1. Pitless adapter with submersible pump installation for basement storage.

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    information about laboratories and

    interpreting your water quality analysis

    report from several Penn State Coopera-

    tive Extension fact sheets listed at the

    end of this publication.

    If you notice sudden changes in the

    color, taste, or smell of your water,

    contact the cooperative extension office

    in your county or DEP to discuss the

    possible causes and to develop a plan forwater testing. This consultation can save

    you money by helping you ident ify the

    tests that will provide the most informa-

    tion for the least cost. Accurate records

    of system specifications, maintenance,

    testing, and repair can also help pinpoint

    problems.

    If you suspect that land use changes

    around your house have affected the

    quality of water from your well, you

    should consult DEP or the Penn State

    Cooperative Extension office in your

    county to determine the appropriate

    water tests that may be necessary. For

    example, if pesticides are used or stored

    in your neighborhood, it is a good idea to

    conduct periodic screenings for these

    pollutants. If pollutants are found, yourlocal cooperative extension agent can

    help you decide how to correct the

    problem and develop a schedule for more

    frequent testing until the problem is

    solved.

    Check the water supply location,

    construction, and patterns of surface

    water flow if a water sample comes back

    positive for bacterial contamination.

    Correct any obvious problems, divert all

    surface water from the area around the

    water outlet, shock chlorinate the

    system, and retest the water after two

    weeks. If the problem has not been

    solved, you should set up a cont inuous

    disinfection system.

    Extensive water quality testing can be

    expensive. Tests for specific organic

    chemicals and/or pesticides, for example,

    are not standard and thus are more

    costly. A scan that detects the presence

    of any pesticide but does not specify

    which one is significantly less expensive

    than a test to determine the exact

    pesticide in the water. Any pesticide in

    your water is a problem requiring

    attention.

    Figure 2. Well completion report.

    WELL OWNER (REQUIRED)

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    Sand

    Gravel

    Stone

    Collecting wall

    Lead-in pipe

    Fence

    Alternate collecting system

    Figure 3. Spring development in creviced rock.

    Source: Adapted from Spring Development, Plan 800-166, Department of Agricultural Engineering, The Pennsylvania State University.

    Overflow

    Diversion ditch

    Creviced rock

    Gravel

    Collecting wall

    Lead-in pipe

    Spring box

    To storage

    Drain

    10' minimum

    Drain

    Cross-section

    Gravel covered with plastic sheet and 1-2' of soil

    Collecting wall 4-6" concrete

    4" Lead-in pipe

    Spring box

    Overflow

    To storage

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    Disinfection

    If bacterial contamination is the only

    problem with the water supply, it

    probably makes sense to disinfect the

    present system using chlorination ,

    iodination, or ultraviolet light. If yourwater test shows high suspended solids

    concentrations or if the water is occa-

    sionally muddy, it should be filtered

    before disinfection.

    Many water treatment companies sell

    disinfection equipment that will ad-

    equately treat bacterial contamination.

    This equipment may not, however, kill

    some viruses and Giardia cyststhese

    pathogens may require additional

    specialized disinfection t reatment. For

    more information on disinfection ofthese pathogens, contact a water equip-

    ment dealer or DEP or obtain a copy of

    Penn State Cooperative Extension fact

    sheet F-134,Removing Giardia Cysts from

    Drinking Water. See the end of this

    publication for ordering information.

    As with any major purchase, you should

    do some investigating and be sure to

    have a basic understanding of the

    potential solutions to your water quality

    problem before you call a water t reat-ment vendor so that you can tell if a

    salesperson is trying to sell you more

    equipment than you need. Having an

    understanding of the system will also

    help you maintain the equipment and get

    the most value for your money.

    Chlorination. The injection of chlorine

    into water in the form of sodium hy-

    pochlorite (5-15% available chlorine) or

    calcium hypochlorite (about 70%

    available chlorine) is a common method

    of disinfection. Any product you useshould state on the label that it is safe for

    drinking water disinfection. To ensure

    disinfection, you must provide ample

    contact t ime for the chlorine to interact

    with the water. Often a pipe coil or

    holding tank is installed for th is purpose.

    Normally, at least 0.4 mg/l of free residual

    chlorine should be in contact with the

    water for at least 30 minutes. Chlorina-

    tion leaves a small residual concentration

    of chlorine in the water so recontamina-

    tion will not occur after disinfection.

    Iodination. Another substance used for

    disinfection is iodine, although its use is

    not recommended for long periods

    because iodine can influence the

    workings of the thyroid gland. Iodination

    with a contact time of 30 minutes issuitable for places where no one will

    drink the water for extended periods of

    time, such as a vacation home or hunting

    camp. However, it can be difficult to

    achieve disinfection while not giving the

    water an adverse taste. Like chlorine,

    iodine disinfection provides continual

    protection of the water.

    Ultraviolet light. Disinfection can also

    be accomplished with an ultraviolet light

    sealed in a quartz sleeve inside a stainless

    steel cylinder. Since this method of

    disinfection does not leave a residual

    disinfectant in the water, it is possible for

    recontamination to occur after initial

    disinfection and before consumption.

    Therefore, the light should be installed at

    the end of all underground pipes. Bulbs

    must be replaced about once a year.

    More About Water Quality Testing

    At least every th ree years, you should

    have your water supply tested for pH,

    nitrate, total dissolved solids, andturbidity. Water with a pH less than 7.0

    or with total dissolved solids exceeding

    500 mg/l may be corrosive to metallic

    pipes. If analysis of your water reveals

    these characteristics and your pipes are

    copper, you should collect a sample after

    allowing water to sit in the pipes over-

    night and have it tested for lead and

    copper. If your pipes are made of galva-

    nized iron, test for zinc and cadmium.

    Call your regional DEP office or the

    Penn State Cooperative Extension office

    in your county if you need help interpret-ing your water analysis report.

    Pollution Prevention

    As the guardian of your drinking water,

    you should do your part in protecting the

    quality of your well water and the water

    from wells around you by performing

    routine maintenance on your well; byusing pesticides, fertilizers, and herbicides

    sparingly; and by safely and responsibly

    disposing of hazardous and toxic wastes.

    Never dump used motor oil on the

    ground or in a stream. Bring it to an

    authorized collection or recycling site.

    Avoid dumping extra paint or household

    chemicals down the toilet or disposing of

    them with your regular household waste.

    Some communities have an annual

    household hazardous waste day when

    residents can bring these items to a

    centralized location and a local govern-ment agency or other organization takes

    care of disposing of them safely. Find out

    if your community holds one. If not, you

    might offer to help organize the first

    annual collection. If this is not possible,

    call DEP, your county extension agent, or

    a solid waste disposal company to find

    out how you can safely dispose of the

    waste.

    An Alternative Drinking Water Supply

    System

    If potable water cannot be obtained from

    a well or spring on your property, there is

    another optionthe rainwater cistern.

    Roof-catchment cisterns collect rainwa-

    ter falling on the roof of your house

    and/or barn. The water is then stored in a

    holding tank for use as needed. The

    system includes a mechanism by which

    rain falling in the first few minutes of a

    storm is not collected, allowing the roof

    to be cleansed of particulate matter

    before collection begins. Water collected

    in a rainwater cistern usually requirestreatment before it is suitable for use. For

    more information on this type of drink-

    ing water system, obtain Special Circular

    277,Rainwater Cisterns: Design, Construc

    tion, and Water Treatment. See the end of

    this publication for ordering information

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    Septic Systems

    Perhaps where you lived in the past, your

    house was connected to a sewer and you

    didnt have to worry where the water

    went after you flushed your toilet. In the

    country your responsibility may not end

    with the flush. If your house is one of

    many not hooked to a sewer, the water

    your family uses flows literally into your

    own backyard. Septic system problems

    can cause sewage to seep up to the

    ground surface in your yard or produce

    sewage odors in your house. A poorly

    maintained system could contaminate a

    neighbors drinking water supply or your

    own.

    On-lot wastewater treatment regulations

    for the state are set forth in the Sewage

    Facilities Act (#537) and its 1994

    amendment, Act 149. Four basic on-lot

    systems are permitted for residential use:

    in-ground trench, in-ground seepage bed,

    subsurface sand filter, and elevated sand

    mound. Your local sewage enforcement

    officer (SEO) ,a certified official who is

    responsible for permitting the installa-

    tion of on-lot sewage disposal systems in

    one or several townships, can be a

    valuable source of information aboutsystem designs.

    Wastewater treatment systems generally

    have three components: a septic tank, a

    distribution system, and a seepage bed.

    The septic tank is the initial repository of

    wastewater from the house. It is a

    watertight chamber made of concrete,

    fiberglass, or other approved material

    that is resistant to decay. Its function is

    to keep solids from entering and clogging

    the seepage bed (Figure 4). For adequate

    settling of solids to occur, liquid mustremain in the tank for at least 24 hours.

    Bacteria slowly break down the solids to

    about 50 percent of original volume.

    Clarified liquid is discharged to the

    distribution box, and then to the seepage

    bed, a system of piping through which

    clarified sewage is absorbed into the

    surrounding soil for further purification.

    Wastewater disposal systems are sized

    based on the number of bedrooms in a

    house. Pennsylvanias Sewage Facilities

    Act requires at least a 900-gallon tank for

    a house with three or fewer bedrooms

    (Table 2). The capacity of the tankshould be increased by 100 gallons for

    each additional bedroom. If you have

    recently moved into a new house and do

    not know the size of your tank, arrange to

    have the tank pumped and inspected and

    ask the technician to assess its size, age,

    and condition.

    Effluent Distribution and Absorption

    The seepage bed accomplishes the actual

    cleansing of the effluent , or clarified

    water, discharged from the septic tank.

    State regulations require that at least four

    feet of soil lie below the distribution

    pipes and above the water table or

    confining bedrock layer. State law also

    requires that the percolation rate, a

    measure of soil drainage capacity, be

    between six and ninety minutes per inch

    to allow the installation of a conven-

    tional system. A properly maintained and

    operating seepage bed will not produce

    any soggy ground areas.

    Septic Tank Pumping

    Because solids accumulate in the tank, it

    must be pumped by a licensed operator

    every two to five years at a cost of $75 to

    $100. The distribution box should be

    checked and cleaned at the same time.The condition of the tank and the baffles

    that keep solids and scum from entering

    the distribution lines should also be

    checked at each pumping and replaced if

    worn. If solids are allowed to build up for

    too long, they may eventually overflow

    into the seepage bed and clog the system.

    The frequency of pumping depends on

    the size of the tank, the volume of

    wastewater produced, and the amount of

    solids in the water. Use of a garbage

    disposal will decrease the amount of time

    that can lapse between pumpings. The

    use of additives that claim to eliminate

    the need for tank pumping is not

    recommended.

    Waste-

    water level

    Influent from

    residence

    Scum

    Baffle

    Effluent to

    drainage

    field

    Inspection ports

    Manhole

    Inspection ports

    Solids

    (sludge)

    Source: Agricultural and Biological Engineering Fact Sheet F-161, Septic Tank Pumpingby Paul

    Robillard and Kelli Martin.

    Figure 4. Cross section of septic tank.

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    When the seepage bed lies down slope

    from the septic tank and the soilspercolation rate is between six and sixty

    minutes per inch, the distribution system

    generally works by gravity. An

    unperforated pipe carries effluent from

    the t ank to the distribution box, from

    which effluent is spread evenly around

    the absorption field through perforated

    pipes. Distribution is usually accom-

    plished by a pump tank when the seepage

    bed is uphill from the septic tank or in

    soils with percolation rates greater than

    sixty minutes per inch. A pressure

    distribution or dosing pump located

    between the septic tank and the distribu-

    tion line delivers the wastewater evenly

    at set intervals to the seepage bed.

    Intermittent delivery allows the absorp-

    tion field to drain between doses.

    Effluent also can be spread through the

    seepage bed by a trench systemanetwork of perforated pipes placed in

    trenches that follow the contours of the

    lot. Another option is a bed system in

    which distribution lines lie in a single

    excavation hole at least 10 feet wide.

    The trench system is more often used in

    areas with steep slopes. The bed system is

    suitable for flatter, more compact areas

    and is usually less expensive to install.

    Sand Mound Systems

    Because of the soil drainage capacity, the

    elevation and slope of the land, and t he

    depth to bedrock or the water table,

    certain areas of Pennsylvania are not

    suited for conventional wastewater

    treatment systems. If the capacity of your

    land to support a septic system was

    previously evaluated and it was deemed

    less than ideal, a sand mound system may

    have been installed. The elevated sand

    mound is a constructed embankment of

    sandy fill material placed on the natural

    soil surface. Mound beds are usable on

    land with a slope less than 8 percent,

    while mound trenches can be used on

    slopes up to 12 percent. A limiting layer

    must lie 20 to 60 inches from the surface

    and the percolation rate must be between

    3 and 120 minutes per inch for thesesystems to be feasible. They are not

    permitted on flood plains and must be at

    least 100 feet downhill of a well or

    spring, at least 50 feet from streams, and

    at least 5 feet from property lines.

    Use of elevated sand mounds on slopes of

    8 to 12 percent is increasingly common,

    and DEP has made moves to list this

    technology as another type of conven-

    tional system, rather than as an alternate

    system requiring more permits and

    paperwork. Recent changes in Pennsyl-

    vania septic system regulations have

    made the use of elevated sand mounds on

    slopes of 12 to 15 percent a viable

    alternative; t hese systems were previously

    only experimental. Contact DEP for a

    copy ofGuidelines for Experimental

    Elevated Sand Mound Bed Systems on

    Slopes Between 12 and 15 Percentor get

    more information from your SEO.

    Mound systems all require pressure

    dosingthey use a pump to deliverwastewater to the absorption field at

    intervals. The pump lies between the

    tank and the distribution line and usually

    discharges water once per day, allowing

    the mound to dry between applications

    and prevent clogging. The pump tank

    should be large enough to hold at least

    one days sewage flow from the house in

    case of system failure. The tank must be

    pumped every three to five years. For

    more information on mound systems, see

    the list of fact sheets at the end of this

    publication.

    Spray Irrigation

    A recent development at DEP is the

    permitting by local sewage enforcement

    officers of individual residential spray

    irrigation systems (IRSIS) as alternate

    year-round wastewater disposal systems.

    This technology enables a homeowner to

    spray pretreated household effluent on

    forest land, grass, or agricultural land.

    Each IRSIS must include an initial

    Table 2. Estimated septic tank pumping frequencies in years (for year-round

    residences).

    Household size (number of people)

    1 2 3 4 5 6 7 8 9 10

    Tank size(gal) Years between pumping

    500* 5.8 2.6 1.5 1.0 0.7 0.4 0.3 0.2 0.1

    750* 9.1 4.2 2.6 1.8 1.3 1.0 0.7 0.6 0.4 0.3

    900 11.0 5.2 3.3 2.3 1.7 1.3 1.0 0.8 0.7 0.5

    1000 12.4 5.9 3.7 2.6 2.0 1.5 1.2 1.0 0.8 0.7

    1250 15.6 7.5 4.8 3.4 2.6 2.0 1.7 1.4 1.2 1.0

    1500 18.9 9.1 5.9 4.2 3.3 2.6 2.1 1.8 1.5 1.3

    1750 22.1 10.7 6.9 5.0 3.9 3.1 2.6 2.2 1.9 1.6

    2000 25.4 12.4 8.0 5.9 4.5 3.7 3.1 2.6 2.2 2.0

    2250 28.6 14.0 9.1 6.7 5.2 4.2 3.5 3.0 2.6 2.3

    2500 31.9 15.6 10.2 7.5 5.9 4.8 4.0 3.5 3.0 2.6

    *Below the minimum size allowed in Pennsylvania.

    Note: More frequent pumping needed if a garbage disposal is used. Generally, the indicated

    frequency will vary with the volume of solids (+20% for high volume, -20% for low volume).

    Source: Agricultural and Biological Engineering Fact Sheet F-161, Septic Tank Pumping, by Paul

    Robillard and Kelli Martin.

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    treatment unit, an intermittent sand

    filter, a chlorine disinfection unit, and a

    spray field. The initial treatment unit

    may consist of (1) a conventional septic

    tank that allows anaerobic degradation

    and settling of solids before dischargingthe effluent to the sand filter, or (2) an

    aerobic treatment t ank in which air is

    introduced to facilitate the bacterial

    degradation of solids. The intermittent

    sand filter uses filtration and biochemical

    treatment to send a high quality effluent

    to the disinfection unit , which kills

    harmful bacteria. At this point the

    system should also cont ain an effluent-

    holding tank for use when the ground is

    very wet or frozen.

    IRSIS can be used on slopes of less than

    25 percent in woodlands, less than 12

    percent on grass, and less than 4 percent

    on agricultural land. Lot size must be at

    least two acres. At least the top 10 inches

    of soil must be free of water and mottling,

    a sign of continual moisture in the soil,

    and at least 16 inches of soil must lie

    above bedrock. Designs should be based

    on a flow of 400 gallons per day for a

    three-bedroom house.

    IRSIS is expected to cost about 20percent more than an elevated sand

    mound system. This system should

    provide a usable alternative for wastewa-

    ter disposal in about 32 percent of the

    area in Pennsylvania that is not suitable

    for convent ional systems including sand

    mounds. For more information contact

    your sewage enforcement officer or

    obtain DEPsManual for Individual

    Residential Spray Irrigation Systems.

    System Failure

    Your on-lot wastewater disposal system isinadequate or failing if sewage backs up

    into the household plumbing or if

    untreated sewage emerges at the land

    surface or leaches into groundwater.

    Hydraulic overload is the most common

    cause of system failure and occurs when

    more wastewater is delivered to the soil

    absorption system than can be adequately

    disposed of in a given time. This can

    result, for example, if the seepage bed was

    designed too small, if overland flow is

    allowed to occur over the seepage area,

    or if the seasonal high groundwater table

    was not accurately located. Failure can

    also be caused by an undersized septic

    tank or a tank that is past due for

    pumping. In the latter case solids areallowed to pass into the seepage bed and

    clog the soil pores. Additional people

    living in the house and new water-using

    appliances can also stress a septic system

    beyond its limits.

    Specially designed dyes or chemical

    tracers can be used to con firm a sus-

    pected system failure. The dye is added to

    the system and the place where it

    reappears is noted. This test should be

    done only by a qualified technician

    check the yellow pages for a wastewater

    disposal company or an environmental

    consulting firm.

    Solutions for System Failure

    Two possible solutions exist for system

    failure: the use of water conservation

    devices on all fixtures and absorption

    area resting. Water conservation devices

    reduce the amount of water pouring into

    the system, allowing the seepage bed to

    adequately cleanse the remaining water.

    Absorption area resting involves con-

    structing an alternate trench system for

    distribution of wastewater ( Figure 5).The two seepage beds are used in

    alternate periods to allow the resting bed

    time to dry out and thoroughly drain of

    wastewater. For more information, refer

    to the list of cooperative extension

    materials at the end of this publication.

    The Pennsylvania Infrastructure Invest-

    ment Authority (PENNVEST), the

    Pennsylvania Housing Finance Agency

    (PHFA), and DEP sponsor the On-Lot

    Funding Program, a loan program for

    homeowners needing money to rehabili-

    tate, improve, repair, or replace existing

    septic systems. The loans carry a yearly

    interest rate of only one percent and are

    available to homeowners in areas where asewer system is not available and will not

    be constructed in the next five years.

    There is an upper income and loan limit

    and borrowers must have demonstrated

    ability to repay the loan. For more

    information, contact PENNVEST at

    (717) 787-8137 or PHFA at (800) 822-

    1174.

    Avoiding System Failure

    Routine maintenance on your septic

    system will pay off in the long run. As

    with your car, it is much less expensive to

    maintain a system in working order than

    to install a new system or perform major

    renovations on an inadequate system.

    You can prolong the life of your septic

    system by using water conservatively and

    by installing water conservation devices

    on your faucets, toilets, and showers

    before problems with the system arise.

    Your septic tank should be inspected and

    pumped every two to five years. Avoid

    using chemicals to clean your tankbecause of the potential for groundwater

    contamination. Harsh chemicals can also

    kill the essential bacteria working in the

    tank to decompose solid material.

    Without these bacteria, your tank will

    need to be pumped twice as often.

    Substances such as bleach, pesticides,

    heavily sudsing laundry detergent , oil,

    grease, antifreeze, and paint s should not

    be poured down the drain or into t he

    toilet for the same reason. Avoid disposal

    of bulky solids in the drain or toilet . Even

    using a garbage disposal can shorten thelapse between pumpings of the system

    because of the increased load of solids to

    be broken down in the t ank.

    Landscaping your yard to divert water

    from the area above the seepage bed will

    cut down on the amount of water that

    must be filtered through this soil. The

    ability of water to flow through the soil

    in t he seepage bed will be reduced by

    heavy equipment use and livestock

    Free Counseling from DEP

    DEP contracts with an environmen-

    tal consulting firm to provide free

    advice to homeowners with septic

    system problems. The toll free

    numbers are (800) 282-9254 and

    (800) 291-2659.

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    Backfill

    Sand 4"

    Stone 6"

    Building paper

    Backfill

    Figure 5. The alternate trench system.

    Source:Restoration of Failing On-Lot Sewage Disposal Areas, Environmental Resources Research Institute, The Pennsylvania State University,

    University Park, Pennsylvania.

    Building sewer

    Existing septic tank

    Manhole (clean-out)

    Pumping support

    Dose pump

    Union

    Manhole extension

    Dose tank

    High water level

    Low water level

    Gate valves

    Cap

    Existingsystem

    2'

    5'

    80'

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    12

    grazing on the area. Trees and shrubs

    should not be planted over or near the

    distribution system because roots can

    grow into pipes and clog the system.

    Keeping your wastewater disposal system

    in good working order will help ensurehigh quality drinking water because of

    reduced chances of inadequately treated

    wastewater mixing with groundwater. As

    with your well, you should keep accurate

    records of your systems location, con-

    struction, specifications, maintenance,

    repairs, and pumping.

    How will you know when your septic

    tank is full or when the system needs

    repairs? Some th ings to watch for are

    sewage odors in the house and/or

    drinking water, sponginess of the ground

    above any part of the system, raw sewage

    at the land surface, a constantly running

    dosing pump, failure of the dosing pump

    to run at all, and backup of wastewater

    into washing machines and plumbing. It

    is obviously cheapest, simplest, and safest

    to keep track of tank pumping and

    maintenance and t o call the pumper

    before these problems arise.

    On-Lot Wastewater Disposal Regulations

    The Pennsylvania Sewage Facilities Act (#537) requires local governments to

    administer a permitting system for the installation of on-lot sewage disposal

    systems. A certified sewage enforcement officer (SEO) is responsible for evaluat-ing permits in one or several townships on the basis of lot slope and soil character-

    istics. The SEO may offer advice on which type of system would work best based

    on a sites conditions. This person must inspect the completed system before it is

    covered with soil. Repairing or replacing a septic system requires a permit from the

    local SEO. Routine maintenance such as tank pumping and distribution pipe

    flushing can be done without a permit.

    Many municipalities have recently joined with their neighbors to form multi-

    municipal local agencies, making the enforcement of Act 537 more cost effective.

    Each agency employs one or more SEOs to evaluate, permit, and inspect on-lot

    wastewater disposal systems within their borders. The creation of multi-municipal

    local agencies allows other municipal staff more time to tend to other duties and

    enables the wastewater treatment specialists to concentrate on their area of

    expertise.

    Some townships have created septic system maintenance regulations that require

    all residents to have their septic tanks pumped every three years, for example.

    These regulations are designed to protect local groundwater from being contami-

    nated by a poorly maintained septic system. Remember that your poorly main-

    tained system may not just affect your well, but your neighbors wells too.

    DEP is a good place to get more information on all aspects of septic systems. Your

    local sewage enforcement officer or the Penn State Cooperative Extension agents

    in your county will also be able to give you valuable advice.

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    Township Government

    The Commonwealth of Pennsylvania has

    a decentralized system of government

    involving townships, boroughs, cities,

    and counties. Most rural areas of Penn-

    sylvania are located in townships of the

    second class. The township is governed

    by a board of supervisors, usually three

    elected officials. Other officials are

    elected or appointed by the board of

    supervisors. Some townships have one or

    more authorities. An authority can

    buy, build, improve, maintain, and

    operate facilities that provide a specific

    service, such as sewage treatment plants,

    waterworks, highways, and airports. An

    authority is also authorized to borrowmoney and issue bonds to finance the

    special project.

    At the local level, public schools are run

    by elected members of the school board

    who are authorized to hire personnel,

    operate school buildings, buy supplies,

    and levy taxes and issue bonds for school-

    related expenses.

    Land Use

    Townships govern land use th rough a

    system of permits, zoning laws, subdivi-sion regulations, and other local ordi-

    nances. Most townships require building

    permits for new homes and structures.

    Township supervisors are aided in land

    use decisions by an appointed planning

    commission and/or zoning board. The

    planning commission develops recom-

    mendations for the arrangement of

    certain land uses within the t ownship

    that allow for the maximum health and

    safety of residents while still achieving

    the objectives of the community.

    Planning helps to ensure orderly develop-ment of facilities and safe traffic patt erns.

    The zoning board establishes building

    requirements for present and future land

    use in the township. The members may

    set such requirements as minimum lot

    size, maximum building height, and use

    of certain districts for residences,

    industry, or commercial purposes.

    Different requirements may exist for

    different districts. The zoning board

    hears appeals of the prescribed regula-

    tions. Some townships have only a

    planning commission, which is respon-

    sible for each of the above activities.

    Local Ordinances

    Local ordinances may exist to regulatethe following issues. Check with your

    township office on local regulations

    governing these issues.

    Road maintenance. Your township

    government is responsible for maintain-

    ing and plowing township roads.

    Burning garbage and other waste. Some

    townships allow burning of household

    refuse and/or yard waste any time, while

    others permit it on specific days and still

    others may not allow it at all.

    Lawn maintenance. Some local govern-

    ments have policies concerning lawn

    maintenance. These regulations may

    require you to cut your grass if it exceeds

    a predetermined height or if it looks

    unkempt.

    Animal control. The township may have

    regulations requiring that dogs be leashed

    at all times or other related rules.

    Nuisances. Township governments have

    the authority to prohibit nuisances

    including dumping, storage of abandoned

    automobiles, and offensive manufactur-

    ing or business. Under the nuisance

    power, the board of supervisors may

    remove any structure considered danger-

    ous, whether on public or private land. In

    addition to the previously mentioned

    powers, the supervisors are authorized to

    cont rol fireworks, parks, parking, septic

    systems and sewers, fire prevention, street

    names, sanitation, public safety, andjunkyards.

    Garbage Collection

    In most rural areas of the state, there is

    no garbage pickup by the township. Each

    household is responsible for contracting

    with a private trash hauler. You should

    expect to spend about $150-$200 per

    year on these services. Contact your

    township office for names of reputable,

    licensed haulers in your area or look in

    the yellow pages under rubbish.

    Emergency Services

    Police services in rural Pennsylvania are

    provided by municipal departments in

    more populated areas and by state police

    in areas where the population is so

    dispersed and small that a township forceis not feasible. Some rural areas are not

    yet equipped with 911 emergency service

    notification. As soon as you move in, call

    your local government office to find out

    how to reach emergency personnel.

    Dont wait until you need the services to

    realize that you dont know the correct

    number.

    Fire protection is provided in most rural

    areas by volunteer fire companies. You

    can expect to receive periodic solicita-

    tions from these groups. Remember thatthey will be there when you need them

    only if you help to support their activi-

    ties, and t hat voluntary contributions of

    time and/or money play a vital role in

    their operation.

    Manure Disposal

    Pennsylvanias Nutrient Management

    Act of 1993 was passed to protect the

    quality of the states surface- and

    groundwaters and the Chesapeake Bay.

    Excess nutrien ts in manure washing off

    farm fields into streams and rivers can

    deplete the water of oxygen, cause

    excessive algae growth, and ruin valuable

    fish habitats. The legislation was de-

    signed to ensure that large loads of

    manure are safely disposed of. The act

    states that if the animal density exceeds a

    certain number of pounds per acre on an

    annual basis, the landowner is required to

    file with the local conservation district

    and implement an approved nutrient

    management plan for the disposal of

    manure. This legislation supersedes anypreviously established local regulation of

    nutrient management. Contact your

    local conservation district office or the

    State Conservation Commission for

    more information on t he implementation

    of this act. See also Penn State Coopera-

    tive Extension fact sheet 40,N utrient

    Management Legislation in Pennsylvania,

    listed at the end of this publication.

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    14

    Be aware that septage, the liquid and

    solid material pumped from individual

    homes septic tanks, is sometimes

    disposed of by surface application or

    subsurface injection on agricultural fields.

    The septage is often treated beforeapplication to reduce odors and the

    number of disease-causing organisms.

    DEP requires haulers and landowners to

    have permits for in-land application of

    septage. This practice produces minimal

    threat to human health when done on a

    suitable site with carefully analyzed

    septage and incorporation of the applica-

    tion into the farming operation. There

    are strict regulations excluding some

    crops from septage application.

    You should also keep in mind that the

    country landscape is constantly chang-

    ing. Agriculture has become more

    industrialized, and methods of operation

    have changed. Market pressures have

    caused farms to specialize in production

    of one or two products. Many farms have

    become larger in order to remain

    economically viable. Be prepared for

    change and attempt to understand it.

    Not only may new houses go up around

    you, new manufacturing or a new farm

    could locate near your house. Try tobecome familiar with t rends in your

    community. Respect the new occupants

    rights just as you expect your right s to be

    respected.

    Safety

    You may be th inking of buying a t ractor

    to take care of your large yard, or you

    may already own such equipment . Be

    sure to obtain and follow operating and

    safety instructions when using this

    equipment because it can be dangerous.

    Children are especially at risk around

    tractors. Never allow a child to ride with

    you on a lawn mower or tractor while it

    is in use. Always wear safety belts and be

    sure to purchase a model with roll bars,

    especially if your land is on a hill where

    tractors can more easily tip over. When

    operating these machines give the task at

    hand your full attent ion.

    Remember that the nearest hospital or

    emergency services provider may be quite

    far away. Even if your county has 911

    emergency service, emergency personnel

    may have a difficult time finding your

    house if you live in an especially remote

    area. It is a good idea to tape directions

    to your house next to the phonethat

    way, in an emergency even someone such

    as a visiting relative can give accurate

    directions to emergency personnel.

    Your Farming Neighbors

    Farms account for almost 20 percent of

    Pennsylvanias land use. Much of this

    agricultural land is located where housing

    development pressure from urban areas isstrong. Farming regions are attractive for

    development because of the scenic

    beauty of open fields and grazing animals.

    Farms are businesses, however, and they

    sometimes do not live up to the images

    many people have of agriculture. Those

    picturesque fields are open because the

    farmer plants or mows them every year as

    part of the production cycle. Those

    grazing animals sometimes get out of

    fences, and they all produce manure that

    has odors or can degrade water supplies.

    The best way to live peacefully with your

    farming neighbors is to make friends with

    them. Get to know the workings of their

    farm and why they do what they do.

    Some activities, such as plowing, can be

    noisy, but can only be done within a

    limited t ime frame or the entire years

    crop may suffer. Remember that the

    farmer is not there to annoy you

    everything done on the farm has a

    specific purpose.

    You can also help maintain neighborly

    relations with the farmers around you by

    respecting their land and teaching your

    children and animals to do the same.

    Respect no trespassing signs. Although

    farmland may look like a park, it is

    private property and you should not be

    on it unless specifically given the right to

    use the land by the owner. Respect

    farmers property right s as much as you

    expect them to respect your rights.

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    15

    For More Information

    Your county cooperative extension office

    is an excellent place to go for more

    information on the topics covered in t his

    publication. County extension offices

    have a large collection of literature

    dealing with almost any problem

    residents may have, and the staff can

    steer you in the right direction to get

    more information.

    Other agencies that may provide helpful

    information include: your local soil

    conservation district, the Natural

    Resources Conservation Service of the

    U.S. Department of Agriculture, or your

    county planning commission.

    Below is a list of publications available

    through Penn States College of Agricul-

    tural Sciences. These will give you more

    details about many of the topics discussed

    here. Single copies are available for free

    unless otherwise noted. These publica-

    tions can be obtained by contacting:

    Publications Distribution Cent er

    112 Agricultural Administration

    Building

    University Park, PA 16802Telephone: (814) 865-6713

    Fax: (814) 863-5560

    Extension Circular 345, Safeguarding

    Wells and Springs from Bacterial Contami-

    nation

    NRAES-48,Home Water Treatment

    ($15.00)

    Special Circular 277,Rainwater Cisterns:

    Design, Construction, and Water Treatment

    Extension Circular 302, Two Remedies for

    Failing Septic Systems

    Agronomy Fact Sheet 40,N utrient

    Management Legislation in Pennsylvania

    Single copies of the publications below

    can be obtained for free by contacting:

    Agricultural and Biological Engineering

    Department

    246 Agricultural Engineering BuildingUniversity Park, PA 16802

    Telephone: (814) 865-7685

    Fax: (814) 863-1031

    Drinking Water

    F-103,How to Interpret a Water Analysis

    Report

    F-104, Water Testing

    F-105, Where to Have Your Water Tested

    F-134,Removing Giardia Cysts from

    Drinking Water

    F-141, Water Softening

    Septic Systems

    F-161, Septic Tank Pumping

    F-162, Preventing Septic System Failures

    F-163, The Soil Media and the Percolation

    Test

    F-164,Mound Systems for Wastewater

    Treatment

    F-165, Septic Tank-Soil Absorption Systems

    F-167, Use of Dyes and Tracers to Confirm

    Septic System Failure

    Material printed in this publication was

    drawn from the following:

    Extension Circular 345, Safeguarding

    Wells and Springs from Bacterial Contami-

    nation, by Joe Makuch and William E.Sharpe.

    Extension Circular 302, Two Remedies for

    Failing Septic Systems, by Joe Makuch and

    William E. Sharpe.

    Agricultural and Biological Engineering

    Fact Sheet F-164,Mound Systems for

    Wastewater Treatment, by Paul D.

    Robillard and Kelli S. Martin.

    Agricultural and Biological Engineering

    Fact Sheet F-165, Septic Tank-Soil

    A bsorption Systems, by Paul D. Robillard

    and Kelli S. Martin.

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    Prepared by Joy R. Drohan, project

    assistant/writer, Charles W. Abdalla,

    associate professor of agricultural

    economics, and Timothy W. Kelsey,

    associate professor of agriculturaleconomics

    Penn State C ollege of Agricultural Sciences research,

    extension, and resident education programs are funded

    in part by the Commonwealth of Pennsylvania and the

    U.S. Department of Agriculture.

    This publication is available from the Publications

    Distribution Center, The Pennsylvania State

    University, 112 Agricultural Administration Building,

    University Park, PA 16802. For information telephone

    (814) 865-6713.

    Where trade names appear, no discrimination is

    intended, and no endorsement by the Penn State

    College of Agricultural Sciences is implied.

    Issued in furtherance of Cooperative Extension Work,

    Acts of Con gress May 8 and June 30, 1914, in

    cooperation with the U.S. Department of Agriculture

    and t he Pennsylvania Legislature. T. R. Alter, Interim

    Director of Cooperative Extension, The Pennsylvania

    State University.

    This publication is available in alternativemedia on request.

    The Pennsylvania State University is committed to the

    policy that all persons shall h ave equal access to

    programs, facilities, admission, and employment

    without regard to personal characteristics not related to

    ability, performance, or qualifications as determined by

    University policy or by state or federal authorit ies.

    The Pennsylvania State University does not

    discriminate against any person because of age,

    ancestry, color, disability or handicap, nat ional origin,

    race, religious creed, sex, sexual orientat ion, or veteran

    status. Direct all inquiries regarding the nondiscrimi-

    nation policy to the Affirmative Action Director, The

    Pennsylvania State University, 201 Willard Building,

    University Park, PA 16802-2801; Tel. (814) 865-4700/

    V; (814) 863-1150/TTY.

    The Pennsylvania State University 1998

    Rv5M1098ps21255