A85/100
VERNON-CITY, WATER DEPT. — Water Quality Report 2026
Serving 28,112 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA1910167
Violations
3
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1999.
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 VERNON-CITY, WATER DEPT.
Is VERNON-CITY, WATER DEPT. water safe to drink?
VERNON-CITY, WATER DEPT. water receives a grade of A (85/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has VERNON-CITY, WATER DEPT. detected?
69 contaminants were tested in VERNON-CITY, WATER DEPT.'s water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does VERNON-CITY, WATER DEPT. have any EPA violations?
Yes, VERNON-CITY, WATER DEPT. has 3 EPA violation(s) on record, with the most recent in 1999. Violation types include MCL. 3 are health-based violations.
How many people does VERNON-CITY, WATER DEPT. serve?
VERNON-CITY, WATER DEPT. serves approximately 28,112 people, California. The system provides water to 1 community: Vernon.
What type of water does VERNON-CITY, WATER DEPT. provide?
VERNON-CITY, WATER DEPT. 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 CA1910167.
How does VERNON-CITY, WATER DEPT. compare to other utilities in California?
VERNON-CITY, WATER DEPT. scores 85/100 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.