What's in COLUMBIA/ADAIR UTILITIES DISTRICT's water?
COLUMBIA/ADAIR UTILITIES DISTRICT had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 22,113 people through 8,554 service connections.
Ranked against every other system in this dataset
16 total violations and 4 health-based ones put COLUMBIA/ADAIR UTILITIES DISTRICT at the 67th percentile nationally for violation burden, rank 4,247 of 12,903.
How COLUMBIA/ADAIR UTILITIES DISTRICT compares within KY
COLUMBIA/ADAIR UTILITIES DISTRICT's 4 health-based violations sit within the KY average of 9.4, across 273 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for COLUMBIA/ADAIR UTILITIES DISTRICT is from 2025-01-09 (health-based: 2025-01-09). Last reported to EPA: 06/18/2026.
What kind of problem, specifically
COLUMBIA/ADAIR UTILITIES DISTRICT'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:
- Microbial contamination / treatment technique - flagged from: Revised Total Coliform Rule
- Disinfection byproducts - flagged from: Total Haloacetic Acids (HAA5)
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
This is what COLUMBIA/ADAIR UTILITIES DISTRICT reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Between the utility's meter and COLUMBIA/ADAIR UTILITIES DISTRICT's customers' taps is household plumbing, invisible to a system-level record ranked 4,247th of 12,903 by violation count. The guide to what this data misses covers that gap.