Is ST MARY WATER & SEWER COMM #3's water safe to drink?
ST MARY WATER & SEWER COMM #3 had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. Population served: 7,828, over 1,957 connections.
How this compares nationally
14 total violations and 8 health-based ones put ST MARY WATER & SEWER COMM #3 at the 81th percentile nationally for violation burden, rank 2,472 of 12,903.
How ST MARY WATER & SEWER COMM #3 compares within LA
LA's 347 covered systems average 12.6 health-based violations each; ST MARY WATER & SEWER COMM #3 carries 8, not more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for ST MARY WATER & SEWER COMM #3 is from 2025-01-01 (health-based: 2025-01-01). Last reported to EPA: 06/23/2026.
What kind of problem, specifically
ST MARY WATER & SEWER COMM #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:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Surface Water Treatment Rule
- Disinfection byproducts - flagged from: TTHM; Total Haloacetic Acids (HAA5)
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 ST MARY WATER & SEWER COMM #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. Between the utility's meter and ST MARY WATER & SEWER COMM #3's customers' taps is household plumbing, invisible to a system-level record ranked 2,472th of 12,903 by violation count. The guide to what this data misses covers that gap.