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Water: Total Maximum Daily Loads (303d)

Examples of Approved Pathogens TMDLs


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Waters of Duck Creek in Mendenhall Valley, AK Peal River, Pearl River Basin, Leake and Neshoba Counties, MS Hunt River, RI Lower Nooksack River Basin, WA

Other Information on Microbial Source Tracking

  • Using Microbial Source Tracking to Support TMDL Development and Implementation (PDF) (74 pp, 2.3MB), April 2011
  • This technical document educates TMDL practitioners on Microbial Source Tracking (MST) and how it could be used to support TMDL development and implementation.  The document covers potential uses of MST, brief descriptions of common MST methods, factors for selecting an MST method and designing an MST study, and examples of MST studies used to support TMDL development or implementation.


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