A95/100
CITY OF BREA — Water Quality Report 2026
Serving 48,479 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA3010002
Violations
2
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
1,4-dioxane | 0.370 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2010.
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 BREA
Is CITY OF BREA water safe to drink?
CITY OF BREA water receives a grade of A (95/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CITY OF BREA detected?
69 contaminants were tested in CITY OF BREA's water. Notable contaminants include 1,4-dioxane. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CITY OF BREA have any EPA violations?
Yes, CITY OF BREA has 2 EPA violation(s) on record, with the most recent in 2010. Violation types include MR, Other.
How many people does CITY OF BREA serve?
CITY OF BREA serves approximately 48,479 people, California. The system provides water to 1 community: Brea.
What type of water does CITY OF BREA provide?
CITY OF BREA 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 CA3010002.
How does CITY OF BREA compare to other utilities in California?
CITY OF BREA scores 95/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our California state page for a full comparison of water systems.