A100/100
SAN GABRIEL VALLEY WC - FONTANA — Water Quality Report 2026
Serving 237,700 people · California
Water Source
Surface Water
County
—
System ID
CA3610041
Violations
0
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
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 SAN GABRIEL VALLEY WC - FONTANA
Is SAN GABRIEL VALLEY WC - FONTANA water safe to drink?
SAN GABRIEL VALLEY WC - FONTANA water receives a grade of A (100/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has SAN GABRIEL VALLEY WC - FONTANA detected?
76 contaminants were tested in SAN GABRIEL VALLEY WC - FONTANA's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SAN GABRIEL VALLEY WC - FONTANA have any EPA violations?
No, SAN GABRIEL VALLEY WC - FONTANA has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does SAN GABRIEL VALLEY WC - FONTANA serve?
SAN GABRIEL VALLEY WC - FONTANA serves approximately 237,700 people, California.
What type of water does SAN GABRIEL VALLEY WC - FONTANA provide?
SAN GABRIEL VALLEY WC - FONTANA 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 CA3610041.
How does SAN GABRIEL VALLEY WC - FONTANA compare to other utilities in California?
SAN GABRIEL VALLEY WC - FONTANA scores 100/100 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.