Our Work

Upper Maumee River:
a federal total maximum daily load study

EOR developed a Total Maximum Daily Load (TMDL) Study of the Maumee River mainstem for the US EPA Region 5 (Great Lakes) and Ohio EPA. This TMDL addresses aquatic recreation, aquatic life, and public drinking water supply impairments in four larger river assessment units on the Maumee and Tiffin rivers.

The Maumee River basin is the largest source of suspended solids and dissolved reactive phosphorus loading to Lake Erie’s Western Basin. To support the TMDL and identification of pollutant load reduction strategies, EOR partnered with Ohio State University to develop a multi-state SWAT model of the Maumee River basin. This model has facilitated water quality protection and restoration of future impairments in the Maumee watershed & ultimately in Lake Erie itself.

Client Benefits:

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