What's in THAYER PWS's water?
THAYER PWS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 2,200 people get their water from it, across 925 connections.
Ranked against every other system in this dataset
17 total violations and 1 health-based ones put THAYER PWS at the 39th percentile nationally for violation burden, rank 7,917 of 12,903.
How THAYER PWS compares within MO
THAYER PWS's 1 health-based violations sit within the MO average of 6.1, across 327 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for THAYER PWS is from 2025-02-07 (health-based: 1994-01-12). Last reported to EPA: 06/16/2026.
What kind of problem, specifically
THAYER PWS'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
THAYER PWS'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 17 logged violations can see. The guide to what this data misses covers that gap.