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Keep It Clean

Hoover Crop 

The We All Live Downstream  program offers 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, pourous pavement & more can improve the quality of storm water entering the reservoirs that supply our drinking water.


Columbus' Watershed Management Program

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A high quality water supply source allows us to provide Columbus area residents with excellent drinking water at a reasonable cost. Our watershed program's focus is to protect our drinking water source and supply.

For more information or questions not addressed below, e-mail Watershed Management.

Griggs Reservoir Litter Cleanup

Volunteers are encouraged to participate in this annual litter cleanup on Saturday, June 22, 2013 from 9 a.m. - 12 p.m. at Griggs Reservoir. 

Meeting at the Scioto Boat Club. Bags, gloves & refreshments provided. Come out for some good "clean" fun!

New Signage at Reservoirs

New signage installed this year at Griggs, O'Shaughnessy & Hoover Reservoirs invites park visitors to learn about the green infrastructure installed there. Columbus is using green infrastructure to improve the quality of storm water entering the reservoirs that supply our drinking water.

Report Potentially Hazardous Spills or Dumping

If you see a potentially hazardous material flowing to a storm sewer, ditch or waterway, immediately call 614-645-STREAM (7873) and the Ohio EPA at 1-800-282-9378.

Our Commitment to Water Quality

Columbus provides a variety of services to protect both surface & drinking water quality. We work with communities upstream to help reduce the impact of agricultural activities. In our own community, we partner with landowners adjacent to our reservoirs and monitor construction sites to limit sedimentation that can impact local waterways. We also protect the quality of life downstream by discharging clean water from our wastewater treatment plants.   

What Is a Watershed?

A watershed is an area of land that drains all water to a common basin, stream, river or lake.

Volunteer Opportunities

If you are interested in protecting our natural resources, get involved in our public education programs. You, your community or school group can participate in stream-bank litter cleanups, invasive plant removal & many other activities that promote awareness & appreciation of our natural waterways.

Storm Drain Marker Program

Summer & fall offer perfect weather for this volunteer opportunity to raise awareness that dumping waste into storm drains contributes to water pollution & endangers wildlife. Decals, adhesive & instruction is provided for volunteers to apply on curbs near storm drain inlets - perfect for individuals or groups.


Watershed Management Program

An introduction to our watershed program covers the importance of protecting our drinking water source and supply. Includes landscaping with native plants, & the Land Stewardship Program for residents who live beside the source.


More About Watershed Management Program...

Frequently Asked Questions about Watershed Management

Questions & answers about reservoirs, watershed management, land stewardship, dock permits and boating. Definition & illustration of a watershed; lists our 3 watersheds & more. 


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Landscaping to Protect Our Waterways

Providing a deep-rooted vegetative buffer around a body of water provides many environmental benefits including better water quality.


More About Landscaping to Protect Our Waterways...

How to Secure a Land Stewardship Agreement - Process Overview

Property owners next to city water reservoirs have a special responsibility to protect our drinking water supply. It's beneficial to use best management practices along such waterways. Participating homeowners can then apply for a private boat dock & more. Includes details and forms required to obtain an agreement.


More About How to Secure a Land Stewardship Agreement - Process Overview...

Native Plants

Native plants with long roots slow the flow of stormwater, soak up and filter contaminants and hold the soil in place contributing to better water quality.

Plants native to each of our drinking water reservoirs is included.


More About Native Plants...

Keeping Wildlife Wild - Do Not Feed

Though they may be irresistibly cute, do NOT feed the wildlife. Wild animals are well adapted at finding food & surviving on their own. Furthermore, feeding them actually causes numerous problems.


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History: Watershed Management Office & the Land Stewardship Program

With a growing population and an increasing demand for superior drinking water, the city recognized the need to maintain and protect the reservoirs.  This voluntary agreement provides residents an opportunity to actively participate in protecting the source of our community’s drinking water.


More About History: Watershed Management Office & the Land Stewardship Program...

Watershed Partnerships

The Department of Public Utilities, its customers and local watershed groups work together in a unique partnership to protect our Watershed. Central Ohio residents participate in proactive watershed protection.


More About Watershed Partnerships...

New Signage at Reservoirs

New signage installed this year at Griggs, O'Shaughnessy & Hoover Reservoirs invites park visitors to learn about the green infrastructure installed there. Columbus is using green infrastructure to improve the quality of storm water entering the reservoirs that supply our drinking water.


More About New Signage at Reservoirs...


Non-point Source Pollution

Stormwater Runoff

Protect our Waterways
Illustration Courtesy of NCDENR


Be More Green

GreenWorld 

Learn how to protect our environment & green your world.