DrinkingWaterCheck

PALO ALTO PARK MUTUAL WATER COMPANY: EPA violation history, explained

PALO ALTO PARK MUTUAL WATER COMPANY has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 2,900 people through 692 service connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, PALO ALTO PARK MUTUAL WATER COMPANY ranks 8,618th by violation burden (33th percentile) - 6 violations total, 1 health-based.

Against the CA average

Among the 803 CA systems in this dataset, the average is 5.8 health-based violations - PALO ALTO PARK MUTUAL WATER COMPANY's 1 is at or below that. The filter guide explains what a violation like this actually calls for.

Most recent violation on record

PALO ALTO PARK MUTUAL WATER COMPANY's most recent violation on record is dated 2019-02-06, with the most recent health-based one dated 2015-01-07. Last reported to EPA: 06/22/2026.

The concern categories on record

PALO ALTO PARK MUTUAL WATER COMPANY'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 PALO ALTO PARK MUTUAL WATER COMPANY's record does not cover

PALO ALTO PARK MUTUAL WATER COMPANY'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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 6 logged violations can see. The guide to what this data misses covers that gap.