Skip to main content
Home/Utilities/California/NORTH MARIN WATER DISTRICT

NORTH MARIN WATER DISTRICT

Serving 5 cities in CA

Monitor
1 above health guidelines
62K
People Served
5
Cities
1
Water Sources
0
MCL Violations

Official NORTH MARIN WATER DISTRICT Resources

NORTH MARIN WATER DISTRICT Service Area

Loading map...

Service Area

This map shows the approximate service area for NORTH MARIN WATER DISTRICT. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

NORTH MARIN WATER DISTRICT Water Quality Grade

A
Excellent

Water meets all health guidelines with no violations.

Quality Score90/100
1
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is NORTH MARIN WATER DISTRICT Water Safe to Drink?

NORTH MARIN WATER DISTRICT has reported 1 contaminant above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 61,693 people across 5 cities in CA. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

Get your water independently tested in California β†’

NORTH MARIN WATER DISTRICT Service Area

NORTH MARIN WATER DISTRICT Contact & Information

Mailing Address

P.O. Box 146 Novato, CA 94948

B2B Contact Data

B2B Contact Data Available

Contacts for NORTH MARIN WATER DISTRICT

Updated Jan 2026
Sample Preview (masked)
NameTitlePhoneEmail
Jβ–ˆβ–ˆβ–ˆβ–ˆ Sβ–ˆβ–ˆβ–ˆβ–ˆWater Treatment Supervisor(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆjβ–ˆβ–ˆβ–ˆβ–ˆ@cityβ–ˆβ–ˆβ–ˆβ–ˆ.gov
Mβ–ˆβ–ˆβ–ˆβ–ˆ Jβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆUtility Director(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆmβ–ˆβ–ˆβ–ˆβ–ˆ@waterβ–ˆβ–ˆβ–ˆβ–ˆ.org
Unlock full contact details

Water Sources & Treatment

Water Sources

Surface water

Treatment Methods

conventionaldisinfectionfiltrationpre-oxidation with chlorine

Disinfectant Used

chlorine, chlorine dioxide, hypochlorite

NORTH MARIN WATER DISTRICT Annual Water Quality Reports

2026 Water Quality Report
Latest Consumer Confidence Report (CCR)
View Report

Historical reports are being compiled. Check back soon for archived water quality data.

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

Recommended Water Filters for NORTH MARIN WATER DISTRICT

Based on water quality data from cities served by NORTH MARIN WATER DISTRICT, we recommend NSF-certified filters that can remove contaminants above health guidelines.

Stay Informed About Your Water Quality

Get EPA reports, filter recommendations, and safety alerts for your area.

Join 10,000+ people protecting their families. Unsubscribe anytime.