TMDL Status Map

This map shows the status of Total Maximum Daily Load (TMDL) projects in the State of Ohio.   Zoom the map to your area of interest and project labels will appear.  Click on a label for information about a project.

Map legend:

Approved by U.S. EPA
First cycle TMDL approved by U.S. EPA; second cycle TMDL underway
TMDL nearly complete
Load analysis in progress
Watershed assessment in progress
Monitoring planned for 2011

TMDL projects typically take about three years to complete, usually beginning with an assessment of a watershed's water quality condition, then proceeding to a pollutant load analysis, a review period, and approval by U.S. EPA.   See the TMDL page for more information about the process.   A PDF version of this map is also available.