ST MARTIN WATER DISTRICT 4 - CATAHOULA: EPA violation history, explained
ST MARTIN WATER DISTRICT 4 - CATAHOULA had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 3,000 people through 1,000 service connections.
Ranked against every other system in this dataset
ST MARTIN WATER DISTRICT 4 - CATAHOULA has 44 violations on record in total, 23 of thems health-based - ranking it 779th of 12,903 systems by violation count, the 94th percentile nationally.
Against the LA average
Among the 347 LA systems in this dataset, the average is 12.6 health-based violations - ST MARTIN WATER DISTRICT 4 - CATAHOULA's 23 is above that. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
ST MARTIN WATER DISTRICT 4 - CATAHOULA's most recent violation on record is dated 2025-01-07, with the most recent health-based one dated 2025-01-07. Last reported to EPA: 06/23/2026.
The concern categories on record
ST MARTIN WATER DISTRICT 4 - CATAHOULA'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; Revised Total Coliform Rule
- Other regulated metals - flagged from: Arsenic
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 ST MARTIN WATER DISTRICT 4 - CATAHOULA's record does not cover
Everything on this page is ST MARTIN WATER DISTRICT 4 - CATAHOULA's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and ST MARTIN WATER DISTRICT 4 - CATAHOULA's customers' taps is household plumbing, invisible to a system-level record ranked 779th of 12,903 by violation count. The guide to what this data misses covers that gap.