Is CITY OF COLUMBIA UTILITIES's water safe to drink?
CITY OF COLUMBIA UTILITIES has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 126,254 people through 50,207 service connections.
How this compares nationally
5 total violations and 3 health-based ones put CITY OF COLUMBIA UTILITIES at the 57th percentile nationally for violation burden, rank 5,519 of 12,903.
Against the MO average
MO's 327 covered systems average 6.1 health-based violations each; CITY OF COLUMBIA UTILITIES carries 3, not more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
CITY OF COLUMBIA UTILITIES's most recent violation on record is dated 2025-02-07, with the most recent health-based one dated 2008-01-04. Last reported to EPA: 06/16/2026.
The concern categories on record
CITY OF COLUMBIA UTILITIES's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.
What CITY OF COLUMBIA UTILITIES's record does not cover
Everything on this page is CITY OF COLUMBIA UTILITIES's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 5 logged violations can see. The guide to what this data misses covers that gap.