What's in CITY OF OPELOUSAS WATER SYSTEM's water?
CITY OF OPELOUSAS WATER SYSTEM 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 20,388 people through 6,790 service connections.
How this compares nationally
CITY OF OPELOUSAS WATER SYSTEM has 31 violations on record in total, 19 of thems health-based - ranking it 957th of 12,903 systems by violation count, the 93th percentile nationally.
How CITY OF OPELOUSAS WATER SYSTEM compares within LA
Among the 347 LA systems in this dataset, the average is 12.6 health-based violations - CITY OF OPELOUSAS WATER SYSTEM's 19 is above that. 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 CITY OF OPELOUSAS WATER SYSTEM is from 2025-05-07 (health-based: 2025-02-04). Last reported to EPA: 06/23/2026.
What kind of problem, specifically
CITY OF OPELOUSAS 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 this data is and is not
This is what CITY OF OPELOUSAS 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 CITY OF OPELOUSAS WATER SYSTEM's customers' taps is household plumbing, invisible to a system-level record ranked 957th of 12,903 by violation count. The guide to what this data misses covers that gap.