Is JOHNSTOWN TOWN OF's water safe to drink?
JOHNSTOWN TOWN 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 27,295 people through 7,691 service connections.
How this compares nationally
Out of 12,903 systems in this dataset, JOHNSTOWN TOWN OF ranks 2,943th by violation burden (77th percentile) - 94 violations total, 6 health-baseds.
Against the CO average
JOHNSTOWN TOWN OF's 6 health-based violations sit above the CO average of 3.0, across 230 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
JOHNSTOWN TOWN OF's most recent violation on record is dated 2023-01-07, with the most recent health-based one dated 2021-01-07. Last reported to EPA: 06/17/2026.
The concern categories on record
JOHNSTOWN TOWN 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
- Synthetic organic chemicals / pesticides / VOCs - flagged from: CARBON, TOTAL
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 JOHNSTOWN TOWN OF's record does not cover
Everything on this page is JOHNSTOWN TOWN 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 JOHNSTOWN TOWN OF's customers' taps is household plumbing, invisible to a system-level record ranked 2,943th of 12,903 by violation count. The guide to what this data misses covers that gap.