Water Quality in Columbus, OH
Detailed water quality data for Columbus, Ohio including contaminant levels, EPA comparisons, AquaScore™ grading, and treatment recommendations.
Water utility: City of Columbus Division of Water.
Water source: Scioto River, Big Walnut Creek, Hoover Reservoir.
Key Contaminants Found
- Total trihalomethanes (TTHMs)
- Haloacetic acids (HAA5)
- Chromium (hexavalent)
- Atrazine
- Lead
Columbus water comes from sources in Ohio's agricultural heartland. Herbicide runoff from corn and soybean farming introduces atrazine and other chemicals, while disinfection creates byproducts.