A95/100
PADRE DAM MWD — Water Quality Report 2026
Serving 93,859 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA3710037
Violations
1
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1995.
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 PADRE DAM MWD
Is PADRE DAM MWD water safe to drink?
PADRE DAM MWD water receives a grade of A (95/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has PADRE DAM MWD detected?
76 contaminants were tested in PADRE DAM MWD's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does PADRE DAM MWD have any EPA violations?
Yes, PADRE DAM MWD has 1 EPA violation(s) on record, with the most recent in 1995. Violation types include MCL. 1 are health-based violations.
How many people does PADRE DAM MWD serve?
PADRE DAM MWD serves approximately 93,859 people, California.
What type of water does PADRE DAM MWD provide?
PADRE DAM MWD 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 CA3710037.
How does PADRE DAM MWD compare to other utilities in California?
PADRE DAM MWD scores 95/100 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.