BROWN-DAY-MARSHALL RWS: EPA violation history, explained

BROWN-DAY-MARSHALL RWS's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 5,673 people through 2,309 service connections.

Ranked against every other system in this dataset

3 total violations and 0 health-based ones put BROWN-DAY-MARSHALL RWS at the 9th percentile nationally for violation burden, rank 11,692 of 12,903.

How BROWN-DAY-MARSHALL RWS compares within SD

Among the 74 SD systems in this dataset, the average is 3.0 health-based violations - BROWN-DAY-MARSHALL RWS's 0 is at or below that. 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 BROWN-DAY-MARSHALL RWS is from 2012-05-07. Last reported to EPA: 06/17/2026.

What this data is and is not

This is what BROWN-DAY-MARSHALL RWS 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. This record - 0 health-based violations on file for BROWN-DAY-MARSHALL RWS - 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.