Tap Water Quality in Lancaster, California (ZIP 93534)
Serving Lancaster, California
Is the Tap Water Safe in Lancaster, California?
Tap water in Lancaster, California (ZIP 93534) has 14 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 93534 is served by 10 water utilities providing water to Lancaster. 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 93534
5 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 Lancaster
Found in Lancaster
Found in Lancaster
Found in Lancaster
Found in Lancaster
Water Utilities Serving ZIP 93534
LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER
203,686
Water Source:
Surface water purchased
Contaminants Tested:
151
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Best Water Filters for Lancaster (ZIP 93534)
Based on the contaminants found in your area, we recommend NSF-certified water filters that can remove the specific contaminants above health guidelines.
Find a filter certified for your water
Browse third-party-certified filters by the contaminant you care about — each list shows exactly which NSF/ANSI standard backs the claim, no marketing spin.
Browse filters by contaminantFrequently Asked Questions about Lancaster Tap Water
Is the tap water safe in Lancaster, California (ZIP 93534)?
Which water utilities serve ZIP code 93534?
How do I pay my water bill in Lancaster (ZIP 93534)?
What contaminants are in Lancaster water (ZIP 93534)?
Should I use a water filter in Lancaster (ZIP 93534)?
What cities are in ZIP code 93534?
How we built this page
Water-quality data on this page comes from public federal and state records for the 10 utilityies serving ZIP 93534. 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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