Brown-Day-Marshall Rws, SD Water Quality
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.