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Total Maximum Daily Loads (TMDLs)

TMDLs are a key element of MassDEP's effort to clean up polluted waters in the Commonwealth.

TMDL stands for "Total Maximum Daily Load". A TMDL is a calculation of the highest amount of a pollutant that a water body can take in and still meet standards for healthy systems. The federal Clean Water Act requires states to identify water bodies that do not meet these standards and develop TMDLs for them.

First time? Start here.

Guide:
The Basics of Total Maximum Daily Loads (TMDLs) 

What you need to know

TMDL Reports by Watershed  Integrated Lists of Waters & Related Reports  Watershed Planning Program  Coastal Resources & Estuaries  The Massachusetts Estuaries Project and Reports 

Contact Information

Phone

Barbara Kickham 508-767-2724

Online

barbara.kickham@mass.gov
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