Ohio EPA Accepting Public Comments on Step Three in Maumee Watershed Nutrient TMDL

Step three in Ohio EPA’s Maumee Watershed Nutrient Total Maximum Daily Load (TMDL) project is available for public comment. For this step, the Agency is requesting public comments on the draft Loading Analysis Plan (LAP).

This draft LAP explains the following three important aspects of a TMDL project:

  • lists assessment units found to be impaired for a beneficial use designation (e.g., aquatic life, recreation, and public water supply) that the TMDL will address;
  • describes how water quality restoration targets are set to directly address the recreation and public water supply use impairments due to HABs, and are protective of aquatic life use impairments due to nutrients; and
  • proposes a modeling method for the TMDL loading calculations. 

Ohio EPA is asking the public to review the draft LAP and associated factsheet. The public also is encouraged to participate in a related virtual outreach event on Oct.  5, 2021, at 2 p.m. To ensure connectivity, participants should plan to register and log on at least 15 minutes before the event begins. The public comment period ends on Oct. 8 at 5 p.m. Comments may be submitted to EPATMDL@epa.ohio.gov. Additional information can be found on the project specific webpage

Effects of harmful algal blooms in the western basin of Lake Erie impair sources used for public drinking water and recreation. The federal Clean Water Act requires states to prepare TMDLs for watersheds that do not meet water quality goals. This document will contain recommendations to address water quality impairments and restore streams to Clean Water Act goals. 


The Ohio Environmental Protection Agency was created in 1972 to consolidate efforts to protect and improve air quality, water quality and waste management in Ohio. Since then, air pollutants dropped by as much as 90 percent; large rivers meeting standards improved from 21 percent to 89 percent; and hundreds of polluting, open dumps were replaced with engineered landfills and an increased emphasis on waste reduction and recycling.

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