DrinkingWaterCheck

What's in SEBASTOPOL WATER ASSOCIATION's water?

SEBASTOPOL WATER ASSOCIATION has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 6,207 people get their water from it, across 2,069 connections.

Ranked against every other system in this dataset

SEBASTOPOL WATER ASSOCIATION has 423 violations on record in total, 1 of them health-based - ranking it 7,078th of 12,903 systems by violation count, the 45th percentile nationally.

How SEBASTOPOL WATER ASSOCIATION compares within MS

MS's 349 covered systems average 3.2 health-based violations each; SEBASTOPOL WATER ASSOCIATION carries 1, not more than typical for the state. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for SEBASTOPOL WATER ASSOCIATION is from 2024-01-01 (health-based: 2010-01-08). Last reported to EPA: 05/18/2026.

What kind of problem, specifically

SEBASTOPOL WATER ASSOCIATION'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 this data is and is not

This is what SEBASTOPOL WATER ASSOCIATION 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 SEBASTOPOL WATER ASSOCIATION's customers' taps is household plumbing, invisible to a system-level record ranked 7,078th of 12,903 by violation count. The guide to what this data misses covers that gap.