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

Consumer Confidence Report (CCR)
This annual water quality report shows the types and amounts of key elements in your drinking water, their likely sources and the maximum contaminant level (MCL) that is considered safe. You can consume with confidence - the water delivered to your home meets all of the requirements of the Safe Drinking Water Act (SDWA). View the 2023 report (posted 3/5/23) or visit the  CCR Archive.
Related topics follow:

Water Quality Assurance

Water Quality Assurance The WQAL performs water quality monitoring and treatment research to ensure that Columbus drinking water meets or is better than all federally mandated Safe Drinking Water Act (SDWA) standards.
- learn more

Common Water Quality Concerns

Common Water Quality Concerns The most common water quality concerns are addressed; however, if you have additional questions, please contact our Water Quality Assurance Lab (WQAL) at 645-7691 (8am - 4pm, Monday - Friday) or e-mail: [email protected].  - learn more

Our Commitment to Water Quality

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. - learn more

Columbus' Watershed Management Program

Columbus' Watershed Management Program 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.   - learn more

Wellfield Protection

Wellfield Protection This program focuses on the protection of groundwater, a drinking water source and supply located in southern Franklin County. Governed by Chapter 1115 of the Columbus City Code, specific precautions are required in the wellfield to ensure that the potential for contamination is minimized or eliminated.
- learn more