B79/100
CITY OF CLOVIS — Water Quality Report 2026
Serving 130,130 people · California
Water Source
Surface Water
County
—
System ID
CA1010003
Violations
5
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2013.
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 CLOVIS
Is CITY OF CLOVIS water safe to drink?
CITY OF CLOVIS water receives a grade of B (79/100), which is considered good. Out of 76 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF CLOVIS detected?
76 contaminants were tested in CITY OF CLOVIS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF CLOVIS have any EPA violations?
Yes, CITY OF CLOVIS has 5 EPA violation(s) on record, with the most recent in 2013. Violation types include MR, MCL. 4 are health-based violations.
How many people does CITY OF CLOVIS serve?
CITY OF CLOVIS serves approximately 130,130 people, California. The system provides water to 1 community: Clovis.
What type of water does CITY OF CLOVIS provide?
CITY OF CLOVIS 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 CA1010003.
How does CITY OF CLOVIS compare to other utilities in California?
CITY OF CLOVIS scores 79/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our California state page for a full comparison of water systems.