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

Spring Topics
Get your garden ready with Com-Til mulch, learn about annual fire hydrant flushing and flooding issues, participate in volunteer opportunities like Storm Drain Marking; start a community garden or learn about rain barrels; and more.


Get Your Garden in Full Bloom with Com-Til

Com-Til products are organic fertilizers and soil conditioners used for mulching, gardening, potting, transplanting and breaking up tough, clay soil. Add valuable organic matter & nutrients to give your greens a boost or use as a decorative mulch to retain moisture. It is one of the best-kept secrets for improving soil health, growing a greener lawn and getting your garden in full bloom. - learn more

Yard Waste

Dispose of Yard Waste Properly - Pet Waste Too Waste must be properly prepared and placed for collection. Leaves swept into the curb will not be collected in Columbus. Dumping yard waste into storm drains or waterways adds excess nutrients to the water, can clog drains & contribute to flooding. Better yet, compost & mulch yard waste. - learn more

Help Prevent Street Flooding - Keep Storm Drains Clear

Help Prevent Street Flooding - Keep Storm Drains Clear Help prevent street flooding by keeping storm drains free from blockages. Trash, leaves, debris, snow & ice are all common causes of strom sewer blockages - you can help. - learn more

Storm Drain Marker Program

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. - learn more

Flooding and Water Leak Info

Flooding and Water Leak Info Resources (including basement backup prevention devices) for customers experiencing flooding and water leak issues such as: basement or yard flooding; water meter leaks; leaks in the street or a hydrant; blocked storm drains causing street flooding &/or ice; safety & cleanup information for basement flooding; how to locate your main water control valve to turn-off during an emergency.   - learn more

Hydrant Flushing Season

Hydrant Flushing Season Can Cause Low Pressure, Rusty Water Check the schedule to see if hydrants are being flushed in your area & learn what to do if you are experiencing rusty water. Columbus runs from April 15 - July 15. Other municipalities run from March - October.  - learn more

Do Not Flush - No Wipes in the Pipes

Do Not Flush - No Wipes in the Pipes Remember, no wipes in the pipes! Only toilet paper is truly flushable, despite what labels may claim. Anything else is not designed to break down, can clog home pipes and city sewers and must go in the trash instead. Here’s a friendly reminder on what not to flush, (including so-called "flushable wipes") to avoid clogs. Please report any public sewer issues to our Sewer Maintenance Operations Center, at 614-645-7102. - learn more

Put Rainwater to Use

Put Rainwater to Use Rain gardens and rain barrels put rainfall to use, reducing the need for irrigation. Save money while protecting our water supply. Residents of the City of Columbus who have signed up as GreenSpot members are invited to buy a deeply discounted rain barrel, while supplies last. 
Join the GreenSpot Program; it's easy.
Learn more about this offer...

More About Put Rainwater to Use...  - learn more

Start a Community Garden

Start a Community Garden A community garden is a single piece of land gardened collectively by a group of people. They provide fresh produce and plants as well as satisfying labor, exercise, neighborhood improvement, sense of community and connection to the environment.
- learn more

Volunteers Are Needed Year-Round by Local Watersheds

Volunteers Are Needed Year-Round by Local Watersheds Local watershed groups plan year-round events and other ways to participate in keeping our waterways clean, including streambank litter cleanups, invasive plant removal & more. 

    - learn more

    Lady Bug

    Make Simple Lawn Care Choices Choose native plants, spot treat problem areas, or better yet, consider less toxic alternatives such as beneficial insects. Use the mulching feature on your lawn mower instead of bagging the clippings, or better yet, create your own compost from your yard waste. Learn more about proper yard waste disposal. - learn more

    Household Hazardous Waste Events

    Household Hazardous Waste Events Join a Household Hazardous Waste Event Saturday, April 22; open to central Ohio residents. Please check for additional events, accepted items and the year-round collection site  - learn more

    Cool Weather Energy Savings Tips

    Cool Weather Energy Savings Tips Learn how to save energy during cooler weather. Plus, link to a rebate offer for a new programmable thermostat or low flow shower head. - learn more

    Keeping Wildlife Wild - Minimizing Goose Overpopulation

    Keeping Wildlife Wild - Minimizing Goose Overpopulation The overabundance of resident Canada Geese did not happen overnight and reducing their population is a multi-step process. A summary of what we're doing to help follows. You can help too simply by not feeding them or any wildlife. Wild animals are well adapted at finding food & surviving on their own. Furthermore, feeding them actually causes numerous problems.  - learn more

    Central Ohio Rain Garden Initiative (CORGI)

    Central Ohio Rain Garden Initiative (CORGI) Rain gardens are a natural way to use rain water as a resource instead of a waste product. Learn about rain gardens: installation, sizing, example plants, design ideas, Seasonal gardening tips, recently awarded grant projects & technical resources. Learn more about rain gardens & CORGI...
    - learn more

    Cost of Filling a Swimming Pool

    Cost of Filling a Swimming Pool Memorial weekend typically marks the pool filling season;  check the chart to see how much it will cost to fill your swimming pool. A list of water haulers is also provided.Also learn about: Auxillary Meters (which measure outdoor water use & save money on your bill) & Backflow requirements. - learn more

    For a Healthy Lawn, Don't Over Water

    For a Healthy Lawn, Don't Over Water 1" per week is enough rain/water to keep most lawns healthy. Watering too much or too little is the cause of many common plant problems. You can have healthier plants and save money by giving your lawn/garden only what is needed.

    View a chart detailing  the cost of outdoor watering , based on hose size & time.
    More tips about  Outdoor Watering- learn more

    High Bills and Outdoor Seasonal Watering

    High Bills and Outdoor Seasonal Watering A high water bill can signal a problem such as a leak, or be the result of seasonal, outdoor water usage (watering the lawn or garden, washing the car, etc). The resources below should help you establish what is average, determine the cause of a high bill and reduce your water usage. Request Toilet Dye Strips - learn more

    Meter Outdoor Water Use, Reduce Sewer Charges

    Meter Outdoor Water Use, Reduce Sewer Charges Those using large amounts of water not entering the sewer system (outdoor watering, irrigation systems) could save by installing an auxiliary meter system. The system must be purchased, installed and maintained privately. - learn more