B79/100
PRESIDIO OF SAN FRANCISCO — Water Quality Report 2026
Serving 3,500 people · California
Water Source
Surface Water
County
—
System ID
CA3810700
Violations
5
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2002.
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 PRESIDIO OF SAN FRANCISCO
Is PRESIDIO OF SAN FRANCISCO water safe to drink?
PRESIDIO OF SAN FRANCISCO water receives a grade of B (79/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has PRESIDIO OF SAN FRANCISCO detected?
31 contaminants were tested in PRESIDIO OF SAN FRANCISCO's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does PRESIDIO OF SAN FRANCISCO have any EPA violations?
Yes, PRESIDIO OF SAN FRANCISCO has 5 EPA violation(s) on record, with the most recent in 2002. Violation types include MCL, TT, MR. 4 are health-based violations.
How many people does PRESIDIO OF SAN FRANCISCO serve?
PRESIDIO OF SAN FRANCISCO serves approximately 3,500 people, California.
What type of water does PRESIDIO OF SAN FRANCISCO provide?
PRESIDIO OF SAN FRANCISCO 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 CA3810700.
How does PRESIDIO OF SAN FRANCISCO compare to other utilities in California?
PRESIDIO OF SAN FRANCISCO scores 79/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our California state page for a full comparison of water systems.