F17/100
SOUTH GATE-CITY, WATER DEPT. — Water Quality Report 2026
Serving 76,443 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA1910152
Violations
59
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.019 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.007 µg/L | 0.004 µg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 SOUTH GATE-CITY, WATER DEPT.
Is SOUTH GATE-CITY, WATER DEPT. water safe to drink?
SOUTH GATE-CITY, WATER DEPT. water receives a grade of F (17/100), which is considered failing. 2 contaminant(s) exceed EPA legal limits and 59 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SOUTH GATE-CITY, WATER DEPT. detected?
73 contaminants were tested in SOUTH GATE-CITY, WATER DEPT.'s water. Notable contaminants include PFOS, PFOA. 2 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does SOUTH GATE-CITY, WATER DEPT. have any EPA violations?
Yes, SOUTH GATE-CITY, WATER DEPT. has 59 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, Other, MCL. 2 are health-based violations.
How many people does SOUTH GATE-CITY, WATER DEPT. serve?
SOUTH GATE-CITY, WATER DEPT. serves approximately 76,443 people, California. The system provides water to 1 community: South Gate.
What type of water does SOUTH GATE-CITY, WATER DEPT. provide?
SOUTH GATE-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 CA1910152.
How does SOUTH GATE-CITY, WATER DEPT. compare to other utilities in California?
SOUTH GATE-CITY, WATER DEPT. scores 17/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our California state page for a full comparison of water systems.