arec455 presentation - cecil county
TRANSCRIPT
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Cecil County, Maryland
Land Use, Water Quality and the Chesapeake BayChyanne, Christian, Hana,
Liana, Jinyi
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Current Land Use
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Top Land Use Goal
Encourage conservation of agricultural land
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Growth Management &
Projections
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Growth Forecasts
Population growth has been rapid, will be rapid and remains a genuine threat to the community’s rural heritage
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Why planning?
Efficient and Orderly Growth!
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●Comprehensive Water and Sewer Plan
● PFA & Zoning ●Agricultural Preservation
Components of Growth Management Program
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Nutrient and Sediment
Loads
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Overview of Different Sectors
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Cecil County - Total Nitrogen Loads
Source Sector2010
Progress2017 Interim
Strategy2025 Final Strategy
Final Target
Percentage Change Between 2010 and
2025
Agriculture 1.001 0.807 0.750 0.614 25.07%
Forest 0.260 0.270 0.273 0.261 5.00%
Non-Tidal Atm 0.037 0.037 0.037 0.037 0.00%
Septic 0.183 0.164 0.098 0.099 46.45%
Stormwater 0.338 0.296 0.217 0.235 35.80%
Wastewater 0.104 0.311 0.328 0.323 68.29%
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Cecil County - Total Phosphorus Loads
Source Sector2010
Progress2017 Interim
Strategy2025 Final Strategy
Final Target
Percentage Change Between 2010 and
2025
Agriculture 0.069 0.054 0.050 0.055 27.54%
Forest 0.006 0.006 0.006 0.006 0.00%
Non-Tidal Atm 0.002 0.002 0.002 0.002 0.00%
Septic 0.000 0.000 0.000 0.000 0.00%
Stormwater 0.016 0.015 0.010 0.010 37.50%
Wastewater 0.013 0.016 0.018 0.020 38.46%
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Cecil County - Total Sediment Loads
Source Sector2010
Progress2017 Interim
Strategy2025 Final Strategy
Percentage Change Between 2010 and
2025
Agriculture 46.473 42.689 40.580 12.68%
Forest 4.230 4.480 4.533 7.16%
Non-Tidal Atm 0.000 0.000 0.000 0.00%
Septic 0.000 0.000 0.000 0.00%
Stormwater 14.918 13.364 8.050 46.04%
Wastewater 0.118 0.810 2.157 1727.96%
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Strategies and Costs
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Strategies for nutrient and sediment reduction
Tributary StrategyBest Management
Practices(BMP)Reforestation/RestorationTMDL/Nutrient ReductionEnhanced Biological Phosphorus Removal (EBPR)
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Policies and Programs
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Forest ConservationCecil County’s Board of County
Commissioners Retention of existing forestry
No change!
Changes must align with the Code of Maryland Natural Resource Policies
Maintain the natural resources of Cecil
County
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Water Quality ControlMaryland Department of Agriculture
Implementation of licenses, approvals and permits to reduce the negative impact from land cultivation and other agricultural activities on water quality
Farmers must abide because of soil erosion into the Bay
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Consumer ConfidenceMaryland Department of Agriculture
Animal Health Program Provide safe foodAnimal disease controlIncreased the enforcement of livestock inspection
Food Quality Assurance ProgramAudits and inspections Good Agricultural Practices (GAP) Good Handling Practices (GHP)Grade analysis of eggsDecrease their use of pesticides
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StormwaterMaryland Department of the Environment
Control the erosion and sediment runoff
Use rain as resource
The Stormwater Management Act of 2007 required BMP be used by all current and future development activities
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Water Quality Trading
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Current Platform
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Potential in CecilReasons:
Population growth and competition in land use
Under TMDL, BMP, EBPR regulations,
Costs are differentBranosky, Evan. Cy Jones, and Mindy Selman. “Comparison Tables of State Nutrient Trading Programs in the Chesapeake Bay Watershed”. World Resource Institute Fact Sheet. Version 1. May 2011. Web. 1 Dec 2015.
http://www.wri.org/sites/default/files/comparison_tables_of_state_chesapeake_bay_nutrient_trading_programs.pdf
Target:existing permitted discharge + new growth
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Opportunities for cost savingBilateral Process
Buyers: Farmers, agribusiness
Sellers: National Pollutant Discharge Elimination System (NPDES) point sources
http://www.mdnutrienttrading.com
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ChallengesTransaction cost
Baseline
Trading Ratio
Data-CBWM
More Info: Houtven, George Van, Ross Loomis, Justin Baker, Robert Beach, and Sara Casey. “Nutrient Credit Trading for the Chesapeake Bay, An Economic Study”. MAY 2012. Web. 2 Dec 2015. Section 10 <http://www.chesbay.us/Publications/nutrient-trading-2012.pdf>
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Sector Analysis
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Cecil County Agricultural SectorCecil county is a predominantly
rural/agricultural area.Large dairy cow/beef cattle farms
are common.77% of nitrogen and 95% of
phosphorus pollution in this area can be attributed to agriculture.
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Northeast River Advanced WWTP(NERAWWTP) Upgrade
MDE mandated that all large WWTPs be upgraded to Enhanced Nutrient Removal(ENR) by Dec. 2016
NERAWWTP is the only WWTP in Cecil County requiring an upgrade.
Previous treatment level: Biological Nutrient Removal(BNR)
Expected project cost: $40 million.
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Biological versus Enhanced Nutrient Removal
ENR utilizes a process known as a Membrane Bioreactor(MBR).
Higher initial cost than alternatives, but benefits include:
Higher water treatment level than alternatives
Cost of future expansions is lower than other alternatives.
Nutrient Reduction Levels
Nutrient Biological Nutrient Removal
Enhanced Nutrient Removal
Nitrogen 8 mg/L to 10 mg/L
~3 mg/L
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Membrane Bioreactor
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Questions?