TOWN OF WELSH WATER SYSTEM: EPA violation history, explained
TOWN OF WELSH WATER SYSTEM has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 4,311 people through 1,437 service connections.
How this compares nationally
Out of 12,903 systems in this dataset, TOWN OF WELSH WATER SYSTEM ranks 3,751th by violation burden (71th percentile) - 10 violations total, 5 health-baseds.
Against the LA average
Among the 347 LA systems in this dataset, the average is 12.6 health-based violations - TOWN OF WELSH WATER SYSTEM's 5 is at or below that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
TOWN OF WELSH WATER SYSTEM's most recent violation on record is dated 2021-07-10, with the most recent health-based one dated 2021-07-10. Last reported to EPA: 06/23/2026.
The concern categories on record
TOWN OF WELSH WATER SYSTEM'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); Groundwater Rule
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 TOWN OF WELSH WATER SYSTEM's record does not cover
TOWN OF WELSH WATER SYSTEM'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. Between the utility's meter and TOWN OF WELSH WATER SYSTEM's customers' taps is household plumbing, invisible to a system-level record ranked 3,751th of 12,903 by violation count. The guide to what this data misses covers that gap.