A97/100
CITY OF SAN CLEMENTE — Water Quality Report 2026
Serving 51,545 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA3010036
Violations
3
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2004.
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 SAN CLEMENTE
Is CITY OF SAN CLEMENTE water safe to drink?
CITY OF SAN CLEMENTE water receives a grade of A (97/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF SAN CLEMENTE detected?
69 contaminants were tested in CITY OF SAN CLEMENTE's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF SAN CLEMENTE have any EPA violations?
Yes, CITY OF SAN CLEMENTE has 3 EPA violation(s) on record, with the most recent in 2004. Violation types include MR, Other.
How many people does CITY OF SAN CLEMENTE serve?
CITY OF SAN CLEMENTE serves approximately 51,545 people, California. The system provides water to 1 community: San Clemente.
What type of water does CITY OF SAN CLEMENTE provide?
CITY OF SAN CLEMENTE 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 CA3010036.
How does CITY OF SAN CLEMENTE compare to other utilities in California?
CITY OF SAN CLEMENTE scores 97/100 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.