C49/100
CITY OF LA HABRA — Water Quality Report 2026
Serving 63,118 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA3010018
Violations
48
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
1,4-dioxane | 0.590 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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 CITY OF LA HABRA
Is CITY OF LA HABRA water safe to drink?
CITY OF LA HABRA water receives a grade of C (49/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 48 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CITY OF LA HABRA detected?
69 contaminants were tested in CITY OF LA HABRA's water. Notable contaminants include 1,4-dioxane. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CITY OF LA HABRA have any EPA violations?
Yes, CITY OF LA HABRA has 48 EPA violation(s) on record, with the most recent in 2015. Violation types include MR.
How many people does CITY OF LA HABRA serve?
CITY OF LA HABRA serves approximately 63,118 people, California. The system provides water to 1 community: La Habra.
What type of water does CITY OF LA HABRA provide?
CITY OF LA HABRA 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 CA3010018.
How does CITY OF LA HABRA compare to other utilities in California?
CITY OF LA HABRA scores 49/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our California state page for a full comparison of water systems.