DrinkingWaterCheck

MARSHFIELD PWS: EPA violation history, explained

MARSHFIELD PWS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 7,425 people through 3,319 service connections.

MARSHFIELD PWS's record against the rest of the country

MARSHFIELD PWS has 14 violations on record in total, 12 of thems health-based - ranking it 1,660th of 12,903 systems by violation count, the 87th percentile nationally.

How MARSHFIELD PWS compares within MO

MARSHFIELD PWS's 12 health-based violations sit above the MO average of 6.1, across 327 systems statewide. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for MARSHFIELD PWS is from 2025-02-07 (health-based: 2015-01-10). Last reported to EPA: 06/16/2026.

What kind of problem, specifically

MARSHFIELD 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:

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

MARSHFIELD 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. This record - 12 health-based violations on file for MARSHFIELD PWS - 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.