CRYSTAL CITY PWS: EPA violation history, explained
CRYSTAL CITY PWS had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. Population served: 4,733, over 2,056 connections.
How this compares nationally
CRYSTAL CITY PWS has 9 violations on record in total, 3 of thems health-based - ranking it 5,338th of 12,903 systems by violation count, the 59th percentile nationally.
Against the MO average
Among the 327 MO systems in this dataset, the average is 6.1 health-based violations - CRYSTAL CITY PWS's 3 is at or below that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
CRYSTAL CITY PWS's most recent violation on record is dated 2025-02-07, with the most recent health-based one dated 2022-01-10. Last reported to EPA: 06/16/2026.
The concern categories on record
CRYSTAL CITY 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:
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.
What CRYSTAL CITY PWS's record does not cover
CRYSTAL CITY 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 9 logged violations can see. The guide to what this data misses covers that gap.