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Novato, California Tap Water Quality

Free EPA data for 5 community water systems serving 64,234+ residents. Click any system to see violations, lead test results, and a safety grade.

NORTH MARIN WATER DISTRICT A
NOVATO, CA · 61,691 people · Surface Water ✓ No recent health violations
NORTH MARIN WD - PT. REYES A
NOVATO, CA · 1,841 people · Groundwater ✓ No recent health violations
RINCON VALLEY MOBILE ESTATES F
NOVATO, CA · 460 people · Groundwater ⚠ 1 active health violation
OKIZU FOUNDATION A
NOVATO, CA · 165 people · Groundwater ✓ No recent health violations
WESTSIDE STORAGE WATER SYSTEM A
NOVATO, CA · 77 people · Groundwater ✓ No recent health violations

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Novato Drinking Water: Frequently Asked Questions

Is Novato, California tap water safe to drink?

Novato has 5 community water systems regulated by the EPA. Each system is required to test regularly for hundreds of contaminants and publicly report any violations. Click any water system listed above to see its specific violation history, lead test results, and a plain-English safety grade.

How many water utilities serve Novato, California?

5 community water systems serve Novato, California, providing water to approximately 64,234 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.

Does Novato tap water have lead?

Lead in drinking water typically enters from old pipes and fixtures inside homes and buildings, not from the treatment plant. The EPA requires water systems to monitor for lead under the Lead and Copper Rule. Click any water system above to see its most recent 90th-percentile lead test results. Homes built before 1986 are most likely to have lead plumbing components.

What contaminants have been found in Novato drinking water?

EPA violation records for Novato water systems are listed on each utility's report page. Common regulated contaminants include disinfection byproducts (TTHMs, HAA5), coliform bacteria, nitrates, and lead. Click any utility above to see its full violation history going back 10 years.

How do I find out which water company serves my address in Novato?

Enter your Novato ZIP code in the search box at the top of this page. ClearWater will identify the specific water system serving your area and show you its EPA violation history, lead test results, and an overall safety grade. You can also check your water bill or your utility's annual Consumer Confidence Report (CCR).