Public Water Partners

NOVATO, CA · Marin County

NORTH MARIN WATER DISTRICT Water System

Consumer Confidence Report status

NORTH MARIN WATER DISTRICT 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 NORTH MARIN WATER DISTRICT.

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)
CA2110003
System type
Community Water System
Population served
61,691
Service connections
20,438
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

NORTH MARIN WATER DISTRICT is one of 376 community water systems in California in the 10,001 to 100,000 people size category, serving 61,691 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

No enforcement actions on record for this system.

Common questions

Is NORTH MARIN WATER DISTRICT required to publish a Consumer Confidence Report?

Yes. NORTH MARIN WATER DISTRICT 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 NORTH MARIN WATER DISTRICT’s next Consumer Confidence Report due?

NORTH MARIN WATER DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does NORTH MARIN WATER DISTRICT have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for NORTH MARIN WATER DISTRICT.

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

WILLIAMS, TONY

415-761-8945

NOVATO, CA 94948