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.

Lower Scioto River Watershed Biological and Water Quality Report

The draft Lower Scioto River Watershed Biological and Water Quality Report is available for review and comment.  Please see the fact sheet and draft report below.  The comment deadline is August 12, 2018.



Cuyahoga River Tributaries - Biological and Water Quality Survey Planning

Ohio EPA will be conducting a biological and water quality survey in the Cuyahoga River tributaries and ship channel this summer. Please see the final plan and and map below for additional information.  Additional information on the Cuyahoga River watershed can be found here.


Current Priority Projects — Available Documents

Items marked with a ⦿ are in progress and expected to be released soon. Those with an X are available for review by clicking on the link.

Project  Study
Biological and
Water Quality Report
Analysis Plan
Modeling Results
Black River Watershed         ⦿
St. Joseph River Watershed         ⦿
Tiffin River Watershed       ⦿  
Maumee River Mainstem       ⦿  
Mohican River Watershed         ⦿
Upper Scioto River Watershed         ⦿
Big Darby Creek Watershed   X      
Cuyahoga River Watershed Final Plan,
Lower Scioto River Watershed   FS, DR      
FS - Fact Sheet          DR - Draft Report          DA - Draft Appendices



Piekutowski, Marianne  Assessment and Modeling Manager (614) 644-2876
Alexander, Cathy Assessment and Modeling Manager (614) 644-2021
Gibson, Russ Nonpoint Source Pollution Manager (614) 644-2020
Rush, Audrey Water Quality Standards Manager (614) 644-2035

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