Tap Water Quality in Gilroy, California (ZIP 95020)
Serving Gilroy, California
Is the Tap Water Safe in Gilroy, California?
Tap water in Gilroy, California (ZIP 95020) has 5 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 95020 is served by 8 water utilities providing water to Gilroy. 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 95020
2 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 Gilroy
Found in Gilroy
Water Utilities Serving ZIP 95020
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Best Water Filters for Gilroy (ZIP 95020)
Based on the contaminants found in your area, we recommend NSF-certified water filters that can remove the specific contaminants above health guidelines.
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Browse filters by contaminantFrequently Asked Questions about Gilroy Tap Water
Is the tap water safe in Gilroy, California (ZIP 95020)?
Which water utilities serve ZIP code 95020?
How do I pay my water bill in Gilroy (ZIP 95020)?
What contaminants are in Gilroy water (ZIP 95020)?
Should I use a water filter in Gilroy (ZIP 95020)?
What cities are in ZIP code 95020?
How we built this page
Water-quality data on this page comes from public federal and state records for the 8 utilityies serving ZIP 95020. 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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