City of Columbus

Water Treatment Process General Water Treatment Process is described with a cross-reference illustration. Columbus uses a complex multi-barrier approach utilizing state of the art equipment and the latest treatment technologies. - learn more

Water Distribution System Last year, the Division of Water delivered over 53 billion gallons of drinking water with total daily water pumpage averaged 145.1 million gallons to to over 1.36 million residents for an average per-capita usage of 106 gallons per day. 
- learn more

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

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 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

Water Treatment History "The Columbus Experiment" was known internationally and was the first water plant to combine filtration and water softening. View an historical timeline or the narrative text follows - learn more

Water Supply and Source Management History In the 1870s the City of Columbus was a state capital nestled between the banks of the Scioto and Olentangy Rivers. As with most thriving communities at the time, the availability of water played a crucial role in the growth and prosperity of Columbus. Our leaders in Columbus have known for decades that the most important part of the water treatment process is protection of our water sources. - learn more

Keep It Clean Prevent water pollution through everyday living with simple tips to keep our water clean. Simple steps you can take at home such as: disposal of household hazardous waste, yard waste (including pet waste) and cooking grease; making simple lawn care choices; reducing stormwater runoff; maintaining cars & driveways properly; litter clean-ups & more. - learn more

Water Facts Less than 1% of the world’s fresh water supply is available for human consumption.  Water is the original health beverage; it contains no fat, calories or cholesterol. 60% of an adult’s body is water. - learn more