PA AMERICAN WATER CO WEST: EPA violation history, explained
PA AMERICAN WATER CO WEST has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 105,127 people get their water from it, across 41,820 connections.
PA AMERICAN WATER CO WEST's record against the rest of the country
Out of 12,903 systems in this dataset, PA AMERICAN WATER CO WEST ranks 6,519th by violation burden (49th percentile) - 10 violations total, 2 health-baseds.
How PA AMERICAN WATER CO WEST compares within PA
Among the 475 PA systems in this dataset, the average is 5.5 health-based violations - PA AMERICAN WATER CO WEST's 2 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for PA AMERICAN WATER CO WEST is from 2022-01-01 (health-based: 1993-01-07). Last reported to EPA: 06/15/2026.
What kind of problem, specifically
PA AMERICAN WATER CO WEST'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 this data is and is not
This is what PA AMERICAN WATER CO WEST reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 10 logged violations can see. The guide to what this data misses covers that gap.