Is MENLO PARK MUNICIPAL WATER's water safe to drink?
MENLO PARK MUNICIPAL WATER has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 22,362, over 4,194 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, MENLO PARK MUNICIPAL WATER ranks 9,099th by violation burden (29th percentile) - 2 violations total, 1 health-based.
Against the CA average
MENLO PARK MUNICIPAL WATER's 1 health-based violations sit within the CA average of 5.8, across 803 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
MENLO PARK MUNICIPAL WATER's most recent violation on record is dated 2015-01-03, with the most recent health-based one dated 2015-01-03. Last reported to EPA: 06/22/2026.
The concern categories on record
MENLO PARK MUNICIPAL WATER'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: Surface Water Treatment Rule
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 MENLO PARK MUNICIPAL WATER's record does not cover
This is what MENLO PARK MUNICIPAL WATER 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 MENLO PARK MUNICIPAL WATER's customers' taps is household plumbing, invisible to a system-level record ranked 9,099th of 12,903 by violation count. The guide to what this data misses covers that gap.