A87/100
SO. CAL. EDISON CO.-SANTA CATALINA — Water Quality Report 2026
Serving 3,822 people · California
Water Source
Surface Water
County
—
System ID
CA1910006
Violations
1
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.61 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1992.
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 SO. CAL. EDISON CO.-SANTA CATALINA
Is SO. CAL. EDISON CO.-SANTA CATALINA water safe to drink?
SO. CAL. EDISON CO.-SANTA CATALINA water receives a grade of A (87/100), which is considered excellent. Out of 32 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SO. CAL. EDISON CO.-SANTA CATALINA detected?
32 contaminants were tested in SO. CAL. EDISON CO.-SANTA CATALINA's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does SO. CAL. EDISON CO.-SANTA CATALINA have any EPA violations?
Yes, SO. CAL. EDISON CO.-SANTA CATALINA has 1 EPA violation(s) on record, with the most recent in 1992. Violation types include MCL. 1 are health-based violations.
How many people does SO. CAL. EDISON CO.-SANTA CATALINA serve?
SO. CAL. EDISON CO.-SANTA CATALINA serves approximately 3,822 people, California.
What type of water does SO. CAL. EDISON CO.-SANTA CATALINA provide?
SO. CAL. EDISON CO.-SANTA CATALINA 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 CA1910006.
How does SO. CAL. EDISON CO.-SANTA CATALINA compare to other utilities in California?
SO. CAL. EDISON CO.-SANTA CATALINA scores 87/100 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.