F0/100
HOLTVILLE, CITY OF — Water Quality Report 2026
Serving 6,355 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA1310005
Violations
27
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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 HOLTVILLE, CITY OF
Is HOLTVILLE, CITY OF water safe to drink?
HOLTVILLE, CITY OF water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 27 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has HOLTVILLE, CITY OF detected?
34 contaminants were tested in HOLTVILLE, CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does HOLTVILLE, CITY OF have any EPA violations?
Yes, HOLTVILLE, CITY OF has 27 EPA violation(s) on record, with the most recent in 2016. Violation types include Other, MCL, MR. 24 are health-based violations.
How many people does HOLTVILLE, CITY OF serve?
HOLTVILLE, CITY OF serves approximately 6,355 people, California. The system provides water to 1 community: Holtville.
What type of water does HOLTVILLE, CITY OF provide?
HOLTVILLE, CITY OF sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA1310005.
How does HOLTVILLE, CITY OF compare to other utilities in California?
HOLTVILLE, CITY OF scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our California state page for a full comparison of water systems.