CITY OF SHASTA LAKE: EPA violation history, explained
CITY OF SHASTA LAKE has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 10,657, over 3,893 connections.
Ranked against every other system in this dataset
CITY OF SHASTA LAKE has 2 violations on record in total, 1 of them health-based - ranking it 9,114th of 12,903 systems by violation count, the 29th percentile nationally.
How CITY OF SHASTA LAKE compares within CA
CITY OF SHASTA LAKE'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
The last violation EPA has on record for CITY OF SHASTA LAKE is from 1995-06-06 (health-based: 1993-01-06). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
CITY OF SHASTA LAKE'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 this data is and is not
This is what CITY OF SHASTA LAKE 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 CITY OF SHASTA LAKE's customers' taps is household plumbing, invisible to a system-level record ranked 9,114th of 12,903 by violation count. The guide to what this data misses covers that gap.