Tap Water Quality in Stockton, California (ZIP 95209)
Serving Stockton, California
Is the Tap Water Safe in Stockton, California?
Tap water in Stockton, California (ZIP 95209) has 25 contaminants above EPA health-based guidelines (MCLGs) in at least one of the 1 city served. We recommend reviewing detailed city reports below and considering a certified water filter for additional protection.
ZIP 95209 is served by 28 water utilities providing water to Stockton. Water quality varies by utility and city. Click on the cities below to see detailed reports for your specific area.
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Water Quality Report for ZIP 95209
6 contaminants above EPA health guidelines
These levels represent the worst case across all cities in this ZIP code. Check individual city reports for specific details.
Found in Stockton
Found in Stockton
Found in Stockton
Found in Stockton
Found in Stockton
Found in Stockton
Water Utilities Serving ZIP 95209
CALIFORNIA WATER SERVICE - STOCKTON
174,507
Water Source:
Surface water purchased
Contaminants Tested:
149
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Best Water Filters for Stockton (ZIP 95209)
Based on the contaminants found in your area, we recommend NSF-certified water filters that can remove the specific contaminants above health guidelines.
Filter guides for the contaminants detected here:
Frequently Asked Questions about Stockton Tap Water
Is the tap water safe in Stockton, California (ZIP 95209)?
Which water utilities serve ZIP code 95209?
How do I pay my water bill in Stockton (ZIP 95209)?
What contaminants are in Stockton water (ZIP 95209)?
Should I use a water filter in Stockton (ZIP 95209)?
What cities are in ZIP code 95209?
How we built this page
Water-quality data on this page comes from public federal and state records for the 28 utilityies serving ZIP 95209. We refresh each utility's record whenever its underlying source publishes new data.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: the most recent published Consumer Confidence Report (CCR) from each utility serving this ZIP, where available.
- Service area & contact: EPA SDWIS plus the California Department of Environmental Protection / Drinking Water program.
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