DrinkingWaterCheck

What's in ST TAMMANY WATER DISTRICT 3's water?

ST TAMMANY WATER DISTRICT 3 has at least one health-based violation EPA's ECHO database still lists as unaddressed - the required fix has not been reported complete. Population served: 2,920, over 800 connections.

How this compares nationally

Out of 12,903 systems in this dataset, ST TAMMANY WATER DISTRICT 3 ranks 1,340th by violation burden (90th percentile) - 43 violations total, 14 health-baseds.

Against the LA average

LA's 347 covered systems average 12.6 health-based violations each; ST TAMMANY WATER DISTRICT 3 carries 14, more than typical for the state. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

ST TAMMANY WATER DISTRICT 3's most recent violation on record is dated 2026-04-02, with the most recent health-based one dated 2015-07-08. Last reported to EPA: 06/23/2026.

The concern categories on record

ST TAMMANY WATER DISTRICT 3'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:

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 TAMMANY WATER DISTRICT 3's record does not cover

This is what ST TAMMANY WATER DISTRICT 3 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 - 14 health-based violations on file for ST TAMMANY WATER DISTRICT 3 - 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.