B71/100
TEJON CASTAC WD - I5 & LAVAL RD — Water Quality Report 2026
Serving 38,125 people · California
Water Source
Surface Water
County
—
System ID
CA1503341
Violations
13
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issued
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About TEJON CASTAC WD - I5 & LAVAL RD
Is TEJON CASTAC WD - I5 & LAVAL RD water safe to drink?
TEJON CASTAC WD - I5 & LAVAL RD water receives a grade of B (71/100), which is considered good. Out of 54 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has TEJON CASTAC WD - I5 & LAVAL RD detected?
54 contaminants were tested in TEJON CASTAC WD - I5 & LAVAL RD's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does TEJON CASTAC WD - I5 & LAVAL RD have any EPA violations?
Yes, TEJON CASTAC WD - I5 & LAVAL RD has 13 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, MCL. 4 are health-based violations.
How many people does TEJON CASTAC WD - I5 & LAVAL RD serve?
TEJON CASTAC WD - I5 & LAVAL RD serves approximately 38,125 people, California.
What type of water does TEJON CASTAC WD - I5 & LAVAL RD provide?
TEJON CASTAC WD - I5 & LAVAL RD sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA1503341.
How does TEJON CASTAC WD - I5 & LAVAL RD compare to other utilities in California?
TEJON CASTAC WD - I5 & LAVAL RD scores 71/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our California state page for a full comparison of water systems.