A95/100
AZUSA LIGHT AND WATER — Water Quality Report 2026
Serving 110,044 people · California
Water Source
Surface Water
County
—
System ID
CA1910007
Violations
1
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1992.
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 AZUSA LIGHT AND WATER
Is AZUSA LIGHT AND WATER water safe to drink?
AZUSA LIGHT AND WATER water receives a grade of A (95/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has AZUSA LIGHT AND WATER detected?
76 contaminants were tested in AZUSA LIGHT AND WATER's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does AZUSA LIGHT AND WATER have any EPA violations?
Yes, AZUSA LIGHT AND WATER has 1 EPA violation(s) on record, with the most recent in 1992. Violation types include MCL. 1 are health-based violations.
How many people does AZUSA LIGHT AND WATER serve?
AZUSA LIGHT AND WATER serves approximately 110,044 people, California.
What type of water does AZUSA LIGHT AND WATER provide?
AZUSA LIGHT AND WATER 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 CA1910007.
How does AZUSA LIGHT AND WATER compare to other utilities in California?
AZUSA LIGHT AND WATER 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.