FORT PIERRE: EPA violation history, explained

FORT PIERRE has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 2,236 people through 1,250 service connections.

How this compares nationally

16 total violations and 4 health-based ones put FORT PIERRE at the 67th percentile nationally for violation burden, rank 4,259 of 12,903.

How FORT PIERRE compares within SD

FORT PIERRE's 4 health-based violations sit above the SD average of 3.0, across 74 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 FORT PIERRE is from 2011-01-01 (health-based: 1999-01-11). Last reported to EPA: 06/17/2026.

What kind of problem, specifically

FORT PIERRE'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

This is what FORT PIERRE 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 FORT PIERRE's customers' taps is household plumbing, invisible to a system-level record ranked 4,259th of 12,903 by violation count. The guide to what this data misses covers that gap.