SHAFTER, CITY OF: EPA violation history, explained
SHAFTER, 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: 21,915, over 4,998 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, SHAFTER, CITY OF ranks 1,106th by violation burden (91th percentile) - 20 violations total, 17 health-baseds.
Against the CA average
SHAFTER, CITY OF's 17 health-based violations sit above 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
SHAFTER, CITY OF's most recent violation on record is dated 2015-01-12, with the most recent health-based one dated 2015-01-12. Last reported to EPA: 06/22/2026.
The concern categories on record
SHAFTER, 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
- Disinfection byproducts - flagged from: TTHM
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 SHAFTER, CITY OF's record does not cover
SHAFTER, CITY OF's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 17 health-based violations on file for SHAFTER, 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.