Chesapeake Bay TMDL

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A Total Maximum Daily Load (TMDL) is a regulatory term in the U.S. Clean Water Act (CWA), describing a value of the maximum amount of a pollutant that a body of water can receive while still meeting CWA water quality standards.[1]. It is administered by the U.S. federal Environmental Protection Agency (EPA).

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The Chesapeake Bay TMDL limits the amount of nitrogen, phosphorous and sediment that makes its way into the Chesapeake Bay, the nation's largest estuary. Charlottesville and Albemarle County are within the Chesapeake watershed. [citation needed]

The TMDL looms large over localities. Charlottesville has enacted a stormwater utility fee to help cover the costs of compliance, and Albemarle County is considering it. [2]

Farm Bureau Challenge

The American Farm Bureau Federation has filed suit against the EPA in January 2011, seeking to halt implementation of the TMDL because of burdens on agriculture.[3]


  1. CWA sec. 303(d), 33 U.S.C. § 1313(d).
  2. Web. County public works plan for stormwater mandate, Aaron Richardson, Daily Progress, Lee Enterprises, March 25, 2013, retrieved March 27, 2013.
  3. Web. Local TMDL planning continues despite challenges, Sean Tubbs, Charlottesville Tomorrow, retrieved October 14, 2011.

External Links

Chesapeake Bay TMDL at EPA site.