A85/100
SANTA MARGARITA WATER DISTRICT-ID9 — Water Quality Report 2026
Serving 39,684 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA3010030
Violations
11
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
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 SANTA MARGARITA WATER DISTRICT-ID9
Is SANTA MARGARITA WATER DISTRICT-ID9 water safe to drink?
SANTA MARGARITA WATER DISTRICT-ID9 water receives a grade of A (85/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has SANTA MARGARITA WATER DISTRICT-ID9 detected?
69 contaminants were tested in SANTA MARGARITA WATER DISTRICT-ID9's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SANTA MARGARITA WATER DISTRICT-ID9 have any EPA violations?
Yes, SANTA MARGARITA WATER DISTRICT-ID9 has 11 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, MCL. 1 are health-based violations.
How many people does SANTA MARGARITA WATER DISTRICT-ID9 serve?
SANTA MARGARITA WATER DISTRICT-ID9 serves approximately 39,684 people, California. The system provides water to 1 community: San Juan Capistrano.
What type of water does SANTA MARGARITA WATER DISTRICT-ID9 provide?
SANTA MARGARITA WATER DISTRICT-ID9 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 CA3010030.
How does SANTA MARGARITA WATER DISTRICT-ID9 compare to other utilities in California?
SANTA MARGARITA WATER DISTRICT-ID9 scores 85/100 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.