Is TEJON CASTAC WD - I5 & LAVAL RD's water safe to drink?
TEJON CASTAC WD - I5 & LAVAL RD has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 38,125 people get their water from it, across 132 connections.
How this compares nationally
13 total violations and 4 health-based ones put TEJON CASTAC WD - I5 & LAVAL RD at the 67th percentile nationally for violation burden, rank 4,308 of 12,903.
Against the CA average
TEJON CASTAC WD - I5 & LAVAL RD's 4 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
TEJON CASTAC WD - I5 & LAVAL RD's most recent violation on record is dated 2021-01-10, with the most recent health-based one dated 2005-01-04. Last reported to EPA: 06/22/2026.
The concern categories on record
TEJON CASTAC WD - I5 & LAVAL RD'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)
- 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 TEJON CASTAC WD - I5 & LAVAL RD's record does not cover
TEJON CASTAC WD - I5 & LAVAL RD'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. Between the utility's meter and TEJON CASTAC WD - I5 & LAVAL RD's customers' taps is household plumbing, invisible to a system-level record ranked 4,308th of 12,903 by violation count. The guide to what this data misses covers that gap.