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Innovative TMDLs using Impervious Cover

Three states in EPA Region 1 have developed TMDLs using impervious cover and flow as surrogates for stormwater-source pollutants in streams listed for biological impairment.

Barberry Creek, Maine, Total Maximum Daily Load (pdf) (2.76 MB)
A Total Maximum Daily Load Analysis for Eagleville Brook, Mansfield, Connecticut (pdf) (617.38 KB)

Innovative TMDLs using Impervious Cover

Impaired Waters and TMDLs