MASONTOWN MUNI WATER WORKS: EPA violation history, explained
MASONTOWN MUNI WATER WORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 3,841 people get their water from it, across 1,875 connections.
Ranked against every other system in this dataset
MASONTOWN MUNI WATER WORKS has 207 violations on record in total, 10 of thems health-based - ranking it 1,868th of 12,903 systems by violation count, the 86th percentile nationally.
How MASONTOWN MUNI WATER WORKS compares within PA
PA's 475 covered systems average 5.5 health-based violations each; MASONTOWN MUNI WATER WORKS carries 10, more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for MASONTOWN MUNI WATER WORKS is from 2026-01-04 (health-based: 2020-01-04). Last reported to EPA: 06/15/2026.
What kind of problem, specifically
MASONTOWN MUNI 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:
- Microbial contamination / treatment technique - flagged from: Surface Water Treatment Rule
- Synthetic organic chemicals / pesticides / VOCs - flagged from: CARBON, TOTAL
- Disinfection byproducts - flagged from: Total Haloacetic Acids (HAA5)
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
MASONTOWN MUNI 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. This record - 10 health-based violations on file for MASONTOWN MUNI WATER WORKS - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.