POTOSI WSC: EPA violation history, explained
POTOSI WSC has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 7,413 people through 2,471 service connections.
POTOSI WSC's record against the rest of the country
POTOSI WSC has 24 violations on record in total, 8 of thems health-based - ranking it 2,402th of 12,903 systems by violation count, the 81th percentile nationally.
How POTOSI WSC compares within TX
TX's 1,633 covered systems average 6.7 health-based violations each; POTOSI WSC carries 8, more than typical for the state. 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 POTOSI WSC is from 2023-07-01 (health-based: 2020-01-01). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
POTOSI WSC'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:
- Lead & copper - flagged from: Lead and Copper Rule
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What this data is and is not
Everything on this page is POTOSI WSC's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 8 health-based violations on file for POTOSI WSC - 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.