TOWN OF MAMOU WATER SYSTEM: EPA violation history, explained
TOWN OF MAMOU 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. 4,559 people get their water from it, across 1,660 connections.
How this compares nationally
Out of 12,903 systems in this dataset, TOWN OF MAMOU WATER SYSTEM ranks 688th by violation burden (95th percentile) - 38 violations total, 26 health-baseds.
Against the LA average
Among the 347 LA systems in this dataset, the average is 12.6 health-based violations - TOWN OF MAMOU WATER SYSTEM's 26 is above that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
TOWN OF MAMOU WATER SYSTEM's most recent violation on record is dated 2023-09-07, with the most recent health-based one dated 2023-01-01. Last reported to EPA: 06/23/2026.
The concern categories on record
TOWN OF MAMOU 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:
- Other regulated metals - flagged from: Fluoride
- Disinfection byproducts - flagged from: TTHM; Total Haloacetic Acids (HAA5)
The most severe category on record is other regulated metals, which points toward a reverse osmosis-class filter if you want to address it directly.
What TOWN OF MAMOU WATER SYSTEM's record does not cover
TOWN OF MAMOU WATER SYSTEM's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 26 health-based violations on file for TOWN OF MAMOU WATER SYSTEM - 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.