What's in WILLARD PWS's water?
WILLARD PWS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 8,400 people get their water from it, across 3,567 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, WILLARD PWS ranks 2,997th by violation burden (77th percentile) - 46 violations total, 6 health-baseds.
How WILLARD PWS compares within MO
Among the 327 MO systems in this dataset, the average is 6.1 health-based violations - WILLARD PWS's 6 is at or below that. 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 WILLARD PWS is from 2025-02-07 (health-based: 2009-01-10). Last reported to EPA: 06/16/2026.
What kind of problem, specifically
WILLARD 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: Coliform (TCR)
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
WILLARD 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. Between the utility's meter and WILLARD PWS's customers' taps is household plumbing, invisible to a system-level record ranked 2,997th of 12,903 by violation count. The guide to what this data misses covers that gap.