DrinkingWaterCheck

WESTERN MWD - MURRIETA DIVISION: EPA violation history, explained

WESTERN MWD - MURRIETA DIVISION has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 17,453 people through 2,868 service connections.

WESTERN MWD - MURRIETA DIVISION's record against the rest of the country

7 total violations and 2 health-based ones put WESTERN MWD - MURRIETA DIVISION at the 48th percentile nationally for violation burden, rank 6,699 of 12,903.

Against the CA average

Among the 803 CA systems in this dataset, the average is 5.8 health-based violations - WESTERN MWD - MURRIETA DIVISION's 2 is at or below that. See the lead and copper guide for why lead counts differently.

Most recent violation on record

WESTERN MWD - MURRIETA DIVISION's most recent violation on record is dated 2006-01-01, with the most recent health-based one dated 2006-01-01. Last reported to EPA: 06/22/2026.

The concern categories on record

WESTERN MWD - MURRIETA DIVISION'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 WESTERN MWD - MURRIETA DIVISION's record does not cover

Everything on this page is WESTERN MWD - MURRIETA DIVISION's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 7 logged violations can see. The guide to what this data misses covers that gap.