Is MARYVILLE PWS's water safe to drink?
MARYVILLE PWS had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 10,775 people get their water from it, across 4,221 connections.
How this compares nationally
MARYVILLE PWS has 53 violations on record in total, 20 of thems health-based - ranking it 885th of 12,903 systems by violation count, the 93th percentile nationally.
How MARYVILLE PWS compares within MO
MARYVILLE PWS's 20 health-based violations sit above the MO average of 6.1, across 327 systems statewide. 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 MARYVILLE PWS is from 2028-02-02 (health-based: 2025-01-12). Last reported to EPA: 06/16/2026.
What kind of problem, specifically
MARYVILLE 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); Interim Enhanced Surface Water Treatment Rule; Long Term 2 Enhanced Surface Water Treatment Rule
- Synthetic organic chemicals / pesticides / VOCs - flagged from: CARBON, TOTAL
- Disinfection byproducts - flagged from: Chlorite; TTHM; 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
This is what MARYVILLE PWS 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. Between the utility's meter and MARYVILLE PWS's customers' taps is household plumbing, invisible to a system-level record ranked 885th of 12,903 by violation count. The guide to what this data misses covers that gap.