Prunedale, California: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 5 community water systems serving 261+ residents. See violations, PFAS results, lead test results, and safety grades — free.
Is Prunedale Tap Water Safe to Drink?
Prunedale currently has 1 active health-based violation across 1 of its 5 water systems. Active violations mean affected systems may not meet federal safety standards. Check individual system reports below for details.
Prunedale Water Quality Overview
Prunedale, California is served by 5 community water systems providing water to approximately 261 residents. These systems draw from groundwater sources. 1 active health-based violation across Prunedale water systems require attention. Including monitoring and reporting violations, there are 29 total violations on record.
Find Your Water System
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All 5 water systems in Prunedale
Looking for water quality data across the whole state? See our full California tap water safety report covering California’s EPA-regulated water systems.
Prunedale Drinking Water: Frequently Asked Questions
Is Prunedale, California tap water safe to drink?
Prunedale currently has 1 active health-based violation across 1 of its 5 water systems. Active violations mean affected systems may not meet federal safety standards. Check individual system reports below for details.
How many water utilities serve Prunedale, California?
5 community water systems serve Prunedale, California, providing water to approximately 261 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does Prunedale 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 Prunedale drinking water?
EPA violation records for Prunedale 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 Prunedale?
Enter your Prunedale 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).