Lancaster County GIS Projects

2012 Aerial Photos• Cooperative project with NGA and USGS

leveraged about $70,000 of Federal Funds• Lancaster County provided CWC funded

$48,700• Captured 3/28 to 4/3/2012• Staff performed a QC review and new

aerials were accepted on 3/11/13• 1’ resolution, + 2’ horizontal accuracy• Available for Download from PASDA

Lancaster County GIS Projects

1993

Lancaster County GIS Projects

2008

Lancaster County GIS Projects

2012

Lancaster County GIS Projects

Lancaster County GIS Projects

Lancaster County GIS Projects

LULC Layer Uses• Growth Tracking Analysis• Growth management analysis• Clean and Green analysis – Ag land

preferential assessment program.• Stormwater modeling• Growth management analysis• General Plan Review• Available for Download from PASDA

•1993

•1998

•2002

•2005

•2008

•2012

•1993

•1998

•2002

•2005

•2008

•2012

•Forest Block < 100 Acres

•Forest Block > 100 Acres

•Interior Forests

DEVELOPED        Impervious surfaces   Buildings, Roads, Drives, Parking Lots

   Regulated v. Non-regulated Buildings, Roads, Drives, Parking Lots

   Connected v. Disconnected Buildings, Roads, Drives, Parking Lots

   Residential v. Non-residential

Buildings, Roads, Drives, Parking Lots, Land Use Land Cover, Parcels

  Pervious surfaces   Land Use Land Cover

   Regulated v. Non-regulated  

   Connected v. Disconnected  

   Residential v. Non-residential  

    Fertilized v. Unfertilized      Golf courses Land Use Land Cover, Parks, Parcels  Roads        Number of lanes Road Centerlines

   Congested vs. Uncongested Road Centerlines, Traffic Counts, CMS, LOS

   Connected vs. Disconnected Road Centerlines

  Construction   Land Use Land Cover, Parcels  Urban Trees   Tree Canopy data      Lancaster City Tree points, polygons

AGRICULTURAL      

  Farmsteads Impervious v. Pervious Land Use Land Cover (114)    Regulated v. Unregulated           Crops   Land Use Land Cover (211)    Grain & forage Land Use Land Cover, w/ Image analysis                  Hay (grass) Land Use Land Cover, w/ Image analysis                  Hay (legume) Land Use Land Cover w/ Image analysis           Vegetables Land Use Land Cover, w/ Image analysis  Pasture   Land Use Land Cover (212)                Nurseries   Land Use Land Cover(220)    Covered v. Uncovered Land Use Land Cover, w/ Image analysis  Orchards   Land Use Land Cover(220)  Sod farms   Land Use Land Cover, w/ Image analysis  Idle/fallow   Land Use Land Cover, w/ Image analysis

BARREN          Regulated v. Non-regulated Land Use Land CoverNATURAL        Forests   Land Use Land Cover (410, 420, 430)

   Upland v. Floodplain v. Riparian Land Use Land Cover, Floodplains, Hydro

    Disturbed v. Undisturbed Land Use Land Cover, w/ Image analysis    Harvested v. Unharvested Land Use Land Cover, w/ Image analysis    Large patch v. Small patch Land Use Land Cover, Forest Blocks, Interior Forest  Wetlands   Land Use Land Cover (NWI)    Tidal v. Non-tidal Emergent      Floodplain v. Upland      Scrub-shrub v. Forested  Land Use Land Cover (620, 610)  Beaches      Water   Hydrographic polygons and centerlines

WASTEWATER        Sewer (POP)   Sewer Facilities, w/ Parcels    Treatment levels    Septic (HH)   Sewer Service Areas, w/ Parcels    Distance from streams Sewer Service Areas, w/ Parcels, Hydro    Mass drain fields Sewer Service Areas, w/ Parcels    Shallow drain fields Sewer Service Areas, w/ Parcels    Failing systems Sewer Service Areas, w/ Parcels    Direct discharges Sewer Service Areas, w/ Parcels

Lancaster County GIS ProjectsPlanimetric Data Updates

• Buildings

• Pavement

Type of Edit

Number of Buildings

Add 8,478

Delete 20,408

Modify 58,227

No Change 202,399

LayerFeatures w/ Edits Total Features

Road Edge 114 591

Driveways 7,703 20,331

Parking Lots 3,860 11,258

Lancaster County GIS ProjectsPlanimetric Data Updates

Lancaster County GIS ProjectsPlanimetric Data Updates

Lancaster County GIS ProjectsPlanimetric Data Updates

Lancaster County GIS Projects

Land Use Land Cover Update•Completed in-house since 2001•1,846 LULC edits were made

Lancaster County GIS Projects

LULC Generalized Class  Spring 2012 Area (Acres)

Agriculture 338423.43

Commercial 8592.06

High Density Residential 5458.45

Industrial 4339.70

Industrial/Commercial 4125.96

Institutional 5781.43

Low Density Residential 34579.97

Medium Density Residential 54814.81

Mineral Extraction 2788.18

Miscellaneous 2046.66

Mixed Urban Land 1116.76

Open Land 35109.74

Open Land, Barren 851.34

Open Water 26211.26

Transportation/Utilities 4631.19

Woodland 112511.39