What's in COLUMBIA FALLS CITY OF's water?
COLUMBIA FALLS CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 4,450 people through 2,186 service connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, COLUMBIA FALLS CITY OF ranks 3,502th by violation burden (73th percentile) - 32 violations total, 5 health-baseds.
How COLUMBIA FALLS CITY OF compares within MT
COLUMBIA FALLS CITY OF's 5 health-based violations sit within the MT average of 6.7, across 59 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for COLUMBIA FALLS CITY OF is from 2022-01-07 (health-based: 2009-01-11). Last reported to EPA: 06/29/2026.
What kind of problem, specifically
COLUMBIA FALLS CITY OF'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: Coliform (TCR); Surface Water Treatment Rule
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
Everything on this page is COLUMBIA FALLS CITY OF's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and COLUMBIA FALLS CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 3,502th of 12,903 by violation count. The guide to what this data misses covers that gap.