What's in ROHNERT PARK, CITY OF's water?
ROHNERT PARK, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 43,821 people get their water from it, across 10,427 connections.
ROHNERT PARK, CITY OF's record against the rest of the country
ROHNERT PARK, CITY OF has 279 violations on record in total, 2 of thems health-based - ranking it 5,660th of 12,903 systems by violation count, the 56th percentile nationally.
Against the CA average
ROHNERT PARK, CITY OF's 2 health-based violations sit within the CA average of 5.8, across 803 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
ROHNERT PARK, CITY OF's most recent violation on record is dated 2021-01-07, with the most recent health-based one dated 2011-01-04. Last reported to EPA: 06/22/2026.
The concern categories on record
ROHNERT PARK, CITY OF'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)
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 ROHNERT PARK, CITY OF's record does not cover
Everything on this page is ROHNERT PARK, CITY OF'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 279 logged violations can see. The guide to what this data misses covers that gap.