What is the Chesapeake Bay TMDL? Total Maximum Daily Load –Amount of pollutants that a water body...
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Transcript of What is the Chesapeake Bay TMDL? Total Maximum Daily Load –Amount of pollutants that a water body...
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What is the Chesapeake Bay TMDL?
• Total Maximum Daily Load– Amount of pollutants that a water body can
receive and still support designated uses• Drinking, swimming, fishing• Aquatic life use support
– Identify pollutant sources (non-point and point sources)
– Identify load reductions for sediment, nitrogen and phosphorous
• Federally mandated “Pollution Diet”• Implementation is key
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How did we get to this point?
• Presidential Executive Order to cleanup the Bay - 2010
• EPA will set goals and oversee Watershed Implementation Plan (WIP) progress
• EPA mandates passed on to states• States are passing down implementation to
local government• Local government will set local goals and
strategies
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What does this mean?
• TMDL sets pollution limits…WIP sets strategies to meet those limits
• Bay TMDL and WIP will require nutrient and sediment reductions from stormwater
• Enhanced Stormwater regulations by the VA House and Senate will ensure these goals will be met
• Powhatan County is in the process of adopting a Stormwater Ordinance which will help us achieve the TMDL goals
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Watershed Implementation Plans (WIP)
Specify what kind of actions will betaken• Best Management Practices
(BMP)• Wastewater treatment upgrades• Stormwater retrofits and
upgrades• Caps on new nutrient loads• Nutrient Trading
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•February 1, 2012 – Counties submit local strategies and goals to state•Final Phase II WIP submitted to EPA-3/30/12•2 year progress reports from localities to state to EPA starting 2013•2017 60% BMP implementation checkup•Insufficient progress may lead to early intervention by EPA•2025 BMP implementation goals met
Important Dates
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What are the consequences?Also known as “backstops”:
• Chesapeake Bay Act area expansion• Loss of land-use taxation rates• Loss of cost-share assistance for BMP
(agricultural best management practices) installation
• Loss of federal funding to state and county programs
• EPA will take over local conservation programs related to the TMDL