getting to know cape cod watersheds · getting to know cape cod watersheds ma water infrastructure...
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Getting to Know Cape Cod WatershedsGetting to Know Cape Cod Watersheds
MA Water Infrastructure Finance CommissionMA Water Infrastructure Finance CommissionNovember 10, 2010November 10, 2010
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The Problem
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Septic Systems and our WatershedSeptic Systems and our Watershed
• The septic system of an average three-bedroom home loads 8.5 pounds of nitrogen into the groundwater each year.
• Approximately 85% of the over 156,000 homes on Cape Cod presently use individual Title 5 septic systems.
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Sources of Nitrogen – Bass River Watershed Example
*Including atmospheric water*Including atmospheric water
****
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1971 to 19991971 to 1999Developed Land (acres) Developed Land (acres) –– Percent ChangePercent Change
Cape Cod 72%Cape Cod 72%
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Our Sole Source AquiferOur Sole Source Aquifer
•Replenished by Precipitation
•Six Separate Lenses
•Sole Source of Drinking Water
•Watersheds follow groundwater flow
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Watershed
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Subwatershed
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Prince Cove
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The Solutions
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Cape Cod Regional Wastewater Cape Cod Regional Wastewater Management Plan (RWMP)Management Plan (RWMP)
Objective Restore degraded water bodies through regional nutrient management policy promoting appropriate infrastructure and growth management mechanisms while protecting taxpayers from unnecessary costs.
GoalPolicy Integrating:
•Environment•Affordability•Infrastructure•Growth Management
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Strategies and MeasuresStrategies and Measures
ENVIRONMENTENVIRONMENTStrategy: Science Based Nutrient Strategy: Science Based Nutrient Management ProgramManagement ProgramMeasure: Complete CWMPMeasure: Complete CWMP’’ss
AFFORDABILITYAFFORDABILITYStrategy: Maximize SRF and other fundsStrategy: Maximize SRF and other fundsMeasure: Towns obtain SRF & 0% SRF Measure: Towns obtain SRF & 0% SRF loansloans
INFRASTRUCTUREINFRASTRUCTUREStrategy: Limit infrastructure to limit Strategy: Limit infrastructure to limit cost & unintended growthcost & unintended growthMeasure:Measure: MOAMOA’’s for shared systemss for shared systems
GROWTHGROWTHMANAGEMENTMANAGEMENT
Strategy:Strategy: Limit development where Title 5 Limit development where Title 5 would have limited or prohibited it.would have limited or prohibited it.
Measure: Towns adopt flow neutral Measure: Towns adopt flow neutral regulations.regulations.
PO
LIC
YP
OLI
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STRATEGY & MEASURESSTRATEGY & MEASURES
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Other Purposes of the RWMPOther Purposes of the RWMP
•• Zero % State Zero % State Revolving Fund (SRF) Revolving Fund (SRF) Construction Loans for Construction Loans for identifiedidentified‘‘FlowFlow--NeutralNeutral’’CommunitiesCommunities
•• Inform CCC DRI Inform CCC DRI review of CWMPs and review of CWMPs and development of development of Technical BulletinTechnical Bulletin
CCC
Technical
Bulletin
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A Mix of Systems is AppropriateA Mix of Systems is Appropriate
TITLE 5 / IATITLE 5 / IA CLUSTERCLUSTER SATELLITESATELLITE CENTRALIZEDCENTRALIZED
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RegionRegion--wide Cost Estimates wide Cost Estimates for Wastewater Treatmentfor Wastewater Treatment
•If we sewer the entire Cape today: $8 billion•Estimates of 25% sewer: $3 billion•Buildout conditions: $2-4 billion
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GIS Demographics SlidesGIS Demographics Slides
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Demographic andEconomic Data
Census Block Groups• Comprised of Census Blocks• Average Population: 1,300 residents
Source: ESRI’s Business Analyst 2009 Estimates
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Source: ESRI’s Business Analyst 2009 Estimates
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Source: ESRI’s Business Analyst 2009 Estimates
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Source: ESRI’s Business Analyst 2009 Estimates and Missouri Census Data Center
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Source: ESRI’s Business Analyst 2009 Estimates
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Source: ESRI’s Business Analyst 2009 Estimates
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Source: ESRI’s Business Analyst 2009 Estimates and Missouri Census Data Center
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Source: 2000 U.S. Census Bureau
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Source: ESRI’s Business Analyst 2009 Estimates
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Source: ESRI’s Business Analyst 2009 Estimates
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Source: ESRI’s Business Analyst 2009 Estimates
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Source: ESRI’s Business Analyst 2009 Estimates
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Source: ESRI’s Business Analyst 2009 Estimates
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Source: ESRI’s Business Analyst 2009 Estimates
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Source: Cape Cod Commission
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Source: Cape Cod Commission
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Become a fan and stay informed:Become a fan and stay informed:Cape Cod Watershed TourCape Cod Watershed Tour
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