Water Quality Programs

The Division of Surface Water (DSW) includes several programs that support the Clean Water Act’s “fishable, swimmable” goals for all surface waters in Ohio. These programs assess the quality of the surface waters, set standards for protection of the waters and establish plans to bring impaired waters back into attainment with water quality goals. See the links to individual program pages on the right.

Documents Available for Comment

The Little Muskingum River Draft Biological and Water Quality Report is now available for review and comment. The comment deadline is October 18, 2019.

The Huron River Watershed Draft Biological and Water Quality Report is now available for review and comment. The comment deadline is October 10, 2019.

No documents are available for comment at this time. 

 

No documents available for comment at this time. 

 

No documents are available for comment at this time. 

 
Tiffin River Watershed In progress    
Maumee River Mainstem In progress    
 

 

No documents are available for comment at this time. 

 
Black River Watershed In progress    
St. Joseph River Watershed In progress    
Mohican River Watershed In progress    
Upper Scioto River Watershed In progress    
 

 

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