Is FLATHEAD COUNTY WATER AND SEWER's water safe to drink?
FLATHEAD COUNTY WATER AND SEWER has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 7,775 people through 3,805 service connections.
How this compares nationally
Out of 12,903 systems in this dataset, FLATHEAD COUNTY WATER AND SEWER ranks 8,160th by violation burden (37th percentile) - 11 violations total, 1 health-based.
How FLATHEAD COUNTY WATER AND SEWER compares within MT
Among the 59 MT systems in this dataset, the average is 6.7 health-based violations - FLATHEAD COUNTY WATER AND SEWER's 1 is at or below that. 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 FLATHEAD COUNTY WATER AND SEWER is from 2026-06-12 (health-based: 1996-01-02). Last reported to EPA: 06/29/2026.
What kind of problem, specifically
FLATHEAD COUNTY WATER AND SEWER'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)
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
FLATHEAD COUNTY WATER AND SEWER's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 11 logged violations can see. The guide to what this data misses covers that gap.