California-American Larkfield (Puc), CA Water Quality
California-American Larkfield (Puc): EPA violation history, explained
California-American Larkfield (Puc) has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 7,913 people through 2,398 service connections.
How this compares nationally
California-American Larkfield (Puc) has 3 violations on record in total, 1 of them health-based - ranking it 8,997th of 12,903 systems by violation count, the 30th percentile nationally.
Against the CA average
California-American Larkfield (Puc)'s 1 health-based violations sit within the CA average of 5.8, across 804 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
California-American Larkfield (Puc)'s most recent violation on record is dated 1998-01-07, with the most recent health-based one dated 1998-01-07. Last reported to EPA: 06/22/2026.
The concern categories on record
California-American Larkfield (Puc)'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)
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 California-American Larkfield (Puc)'s record does not cover
This is what California-American Larkfield (Puc) 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 California-American Larkfield (Puc)'s customers' taps is household plumbing, invisible to a system-level record ranked 8,997th of 12,903 by violation count. The guide to what this data misses covers that gap.