WEST ALLEN PARISH WATER SYSTEM: EPA violation history, explained
WEST ALLEN PARISH WATER SYSTEM has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 3,582, over 1,194 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, WEST ALLEN PARISH WATER SYSTEM ranks 1,802th by violation burden (86th percentile) - 20 violations total, 11 health-baseds.
Against the LA average
WEST ALLEN PARISH WATER SYSTEM's 11 health-based violations sit within the LA average of 12.6, across 347 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
WEST ALLEN PARISH WATER SYSTEM's most recent violation on record is dated 2017-01-01, with the most recent health-based one dated 2017-01-01. Last reported to EPA: 06/23/2026.
The concern categories on record
WEST ALLEN PARISH 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:
- 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 WEST ALLEN PARISH WATER SYSTEM's record does not cover
This is what WEST ALLEN PARISH WATER SYSTEM 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 WEST ALLEN PARISH WATER SYSTEM's customers' taps is household plumbing, invisible to a system-level record ranked 1,802th of 12,903 by violation count. The guide to what this data misses covers that gap.