JOHNSTOWN (C) WATER WORKS: EPA violation history, explained
JOHNSTOWN (C) WATER WORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 8,154 people through 3,200 service connections.
Ranked against every other system in this dataset
JOHNSTOWN (C) WATER WORKS has 15 violations on record in total, 2 of thems health-based - ranking it 6,334th of 12,903 systems by violation count, the 51th percentile nationally.
How JOHNSTOWN (C) WATER WORKS compares within NY
NY's 443 covered systems average 4.1 health-based violations each; JOHNSTOWN (C) WATER WORKS carries 2, not more than typical for the state. 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 JOHNSTOWN (C) WATER WORKS is from 2019-01-07 (health-based: 2019-01-07). Last reported to EPA: 06/25/2026.
What kind of problem, specifically
JOHNSTOWN (C) WATER WORKS'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:
- Disinfection byproducts - flagged from: Total Haloacetic Acids (HAA5)
The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.
What this data is and is not
JOHNSTOWN (C) WATER WORKS'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 15 logged violations can see. The guide to what this data misses covers that gap.