Public Water Partners

SAN FRANCISCO, CA · San Francisco County

PRESIDIO OF SAN FRANCISCO Water System

Consumer Confidence Report status

PRESIDIO OF SAN FRANCISCO must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for PRESIDIO OF SAN FRANCISCO.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.

System facts

System ID (PWSID)
CA3810700
System type
Community Water System
Population served
3,500
Service connections
1,228
Ownership
federal government
Water source
surface water (rivers, lakes, or reservoirs)

PRESIDIO OF SAN FRANCISCO is one of 278 community water systems in California in the 3,301 to 10,000 people size category, serving 3,500 people from surface water.

As of August 1, 2026, EPA's published records contain no violations for this system.

Violation history

No violations on record for this system.

Enforcement actions

Common questions

Is PRESIDIO OF SAN FRANCISCO required to publish a Consumer Confidence Report?

Yes. PRESIDIO OF SAN FRANCISCO is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is PRESIDIO OF SAN FRANCISCO’s next Consumer Confidence Report due?

PRESIDIO OF SAN FRANCISCO’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does PRESIDIO OF SAN FRANCISCO have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for PRESIDIO OF SAN FRANCISCO.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

PATRICK, DAN

415-561-4134

SAN FRANCISCO, CA 94129-0052