Keep It Clean

    Hoover Crop  

Simple steps you can take at home to  prevent water pollution .

Take a Tour

Watershed Signage

Signage installed at Griggs, O'Shaughnessy & Hoover Reservoirs invites park visitors to  take a self-guided tour along the shoreline & learn about the green infrastructure installed there.

Rain gardens, porous pavement & more can improve the quality of storm water entering the reservoirs that supply our drinking water.

Non-point Source Pollution

Stormwater Runoff

Protect our Waterways
Illustration Courtesy of NCDENR

What Is a Watershed

watershed illustrationA watershed is the area of land that drains surface water to a common basin such as a stream, river, lake or reservoir. Watersheds vary in size depending upon natural features of the land the water flows across. View a larger image of the watershed illustration (right, click for larger image) courtesy of the Arkansas Watershed Advisory Group. Click on the image at right or link above. A new window will open, then click on the image.

The three watersheds that supply raw water to the City of Columbus are Big Walnut Creek, the Upper Scioto River and Alum Creek. View a map of the Upper Scioto Watershed, which includes the Big Walnut Creek (displayed in dark green), the Upper Scioto (light green) and Alum Creek (yellow).