What's in WVAW - WALNUT GROVE UTILITIES's water?
WVAW - WALNUT GROVE UTILITIES has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 7,250, over 3,081 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, WVAW - WALNUT GROVE UTILITIES ranks 3,854th by violation burden (70th percentile) - 535 violations total, 4 health-baseds.
How WVAW - WALNUT GROVE UTILITIES compares within
WVAW - WALNUT GROVE UTILITIES's 4 health-based violations sit within the average of 11.2, across 244 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for WVAW - WALNUT GROVE UTILITIES is from 2026-07-03 (health-based: 2019-04-06). Last reported to EPA: 05/19/2026.
What kind of problem, specifically
WVAW - WALNUT GROVE UTILITIES'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: Groundwater Rule; Long Term 2 Enhanced Surface Water Treatment Rule; 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 this data is and is not
Everything on this page is WVAW - WALNUT GROVE UTILITIES's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and WVAW - WALNUT GROVE UTILITIES's customers' taps is household plumbing, invisible to a system-level record ranked 3,854th of 12,903 by violation count. The guide to what this data misses covers that gap.