Is SEBASTOPOL, CITY OF's water safe to drink?
SEBASTOPOL, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 7,522, over 2,947 connections.
SEBASTOPOL, CITY OF's record against the rest of the country
Out of 12,903 systems in this dataset, SEBASTOPOL, CITY OF ranks 2,261th by violation burden (82th percentile) - 11 violations total, 9 health-baseds.
How SEBASTOPOL, CITY OF compares within CA
CA's 803 covered systems average 5.8 health-based violations each; SEBASTOPOL, CITY OF carries 9, more than typical for the state. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for SEBASTOPOL, CITY OF is from 2009-01-10 (health-based: 2009-01-10). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
SEBASTOPOL, 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)
- Other regulated metals - flagged from: Arsenic
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 this data is and is not
This is what SEBASTOPOL, CITY OF 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. This record - 9 health-based violations on file for SEBASTOPOL, CITY OF - 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.