Check out these statewide maps to learn more about water quality. You can search the map by address, click on a point to pull up information, or sort results using the toolbar at the bottom left-hand corner of each map.  We will continue to update these maps as often as possible.

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Ohio Water Sentinel Surface Water Data 

(updated once quarterly)


View Water Sentinel maps created by our friends at Cleveland Geospatial Association

Combined Sewer Overflow Locations 

Source: Ohio EPA Data

View CSO Map in a full screen map

Concentrated Animal Feeding Operations 

Source: Ohio EPA Data

View CAFO Map in a full screen map

 Ohio Fracking Wells

View Ohio Fracking Map II in a full screen map

More data soon to be mapped…

 Areas of concern for failing home sewage treatment systems in Franklin County

Ohio Surface Water Quality Data 

Stormwater Outfalls in Franklin County

Back to Ohio Water Sentinel Program