Calcasieu Parish Ww District No 1, LA Water Quality
What's in Calcasieu Parish Ww District No 1's water?
Calcasieu Parish Ww District No 1 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 20,837 people get their water from it, across 8,810 connections.
How this compares nationally
Calcasieu Parish Ww District No 1 has 8 violations on record in total, 3 of them health-based - ranking it 5,371th of 12,903 systems by violation count, the 58th percentile nationally.
Against the LA average
LA's 347 covered systems average 12.6 health-based violations each; Calcasieu Parish Ww District No 1 carries 3, not more than typical for the state. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
Calcasieu Parish Ww District No 1's most recent violation on record is dated 2011-01-07, with the most recent health-based one dated 2010-01-08. Last reported to EPA: 06/23/2026.
The concern categories on record
Calcasieu Parish Ww District No 1'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)
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 Calcasieu Parish Ww District No 1's record does not cover
This is what Calcasieu Parish Ww District No 1 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. This record - 3 health-based violations on file for Calcasieu Parish Ww District No 1 - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.