Spring Valley, California: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 5 community water systems serving 239,413+ residents. See violations, PFAS results, lead test results, and safety grades — free.
Is Spring Valley Tap Water Safe to Drink?
Based on the latest EPA data, Spring Valley tap water meets all federal drinking water standards. All 5 tested systems have received a safety grade of A or B, with no active health-based violations.
Spring Valley Water Quality Overview
Spring Valley, California is served by 5 community water systems providing water to approximately 239,413 residents. These systems draw from groundwater (3), surface water purchased (1), gwudi (1) sources. Spring Valley water systems have no recorded health-based violations. Including monitoring and reporting violations, there are 24 total violations on record.
Find Your Water System
Search by ZIP code to find your exact water provider and see its full EPA report.
All 5 water systems in Spring Valley
Looking for water quality data across the whole state? See our full California tap water safety report covering California’s EPA-regulated water systems.
Spring Valley Drinking Water: Frequently Asked Questions
Is Spring Valley, California tap water safe to drink?
Based on the latest EPA data, Spring Valley tap water meets all federal drinking water standards. All 5 tested systems have received a safety grade of A or B, with no active health-based violations.
How many water utilities serve Spring Valley, California?
5 community water systems serve Spring Valley, California, providing water to approximately 239,413 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does Spring Valley 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 Spring Valley drinking water?
EPA violation records for Spring Valley 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 Spring Valley?
Enter your Spring Valley 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).