Drinking Water Systems in COLUMBIA, Missouri

7 water systems are reported for this city, with a combined service population of 206,704. The systems have 6 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving COLUMBIA

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)16 records
Gross Alpha13 records
Radium-22610 records
Consumer Confidence Rule6 records
Lead and Copper Rule5 records
Revised Total Coliform Rule3 records
Total Coliform3 records
LEAD AND COPPER RULE REVISIONS2 records
Public Notice2 records

Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.