Norco, California: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 3 community water systems serving 29,393+ residents. See violations, PFAS results, lead test results, and safety grades — free.
Is Norco Tap Water Safe to Drink?
Norco has 3 community water systems. 2 of 3 graded systems meet all EPA standards (grade A or B), while 1 has recorded violations. No active health-based violations are currently open. Check individual system reports below for specifics.
Norco Water Quality Overview
Norco, California is served by 3 community water systems providing water to approximately 29,393 residents. These systems draw from surface water purchased (2), groundwater (1) sources. Norco water systems have recorded 1 health-based violation in their history, though none are currently active. Including monitoring and reporting violations, there are 156 total violations on record.
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All 3 water systems in Norco
Looking for water quality data across the whole state? See our full California tap water safety report covering California’s EPA-regulated water systems.
Norco Drinking Water: Frequently Asked Questions
Is Norco, California tap water safe to drink?
Norco has 3 community water systems. 2 of 3 graded systems meet all EPA standards (grade A or B), while 1 has recorded violations. No active health-based violations are currently open. Check individual system reports below for specifics.
How many water utilities serve Norco, California?
3 community water systems serve Norco, California, providing water to approximately 29,393 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does Norco 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 Norco drinking water?
EPA violation records for Norco 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 Norco?
Enter your Norco 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).