Is HARDIN CITY OF's water safe to drink?
HARDIN 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 3,500 people through 1,307 service connections.
How this compares nationally
HARDIN CITY OF has 27 violations on record in total, 6 of thems health-based - ranking it 3,058th of 12,903 systems by violation count, the 76th percentile nationally.
Against the MT average
MT's 59 covered systems average 6.7 health-based violations each; HARDIN CITY OF carries 6, not more than typical for the state. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
HARDIN CITY OF's most recent violation on record is dated 2025-01-04, with the most recent health-based one dated 1995-01-04. Last reported to EPA: 06/29/2026.
The concern categories on record
HARDIN 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: 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 HARDIN CITY OF's record does not cover
Everything on this page is HARDIN CITY OF'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 27 logged violations can see. The guide to what this data misses covers that gap.