Tap Water Quality in Simi Valley, California (ZIP 93063)
Serving Simi Valley, California
Is the Tap Water Safe in Simi Valley, California?
Tap water in Simi Valley, California (ZIP 93063) has 10 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 93063 is served by 3 water utilities providing water to Simi Valley. 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 93063
4 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 Simi Valley
Found in Simi Valley
Found in Simi Valley
Found in Simi Valley
Water Utilities Serving ZIP 93063
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Best Water Filters for Simi Valley (ZIP 93063)
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:
Browse filters certified to remove Lead
See every filter in our database independently certified to reduce Lead, with the NSF/ANSI standard behind each listing — consumer brands shown first, no marketing spin.
Browse filters certified for LeadFrequently Asked Questions about Simi Valley Tap Water
Is the tap water safe in Simi Valley, California (ZIP 93063)?
Which water utilities serve ZIP code 93063?
How do I pay my water bill in Simi Valley (ZIP 93063)?
What contaminants are in Simi Valley water (ZIP 93063)?
Should I use a water filter in Simi Valley (ZIP 93063)?
What cities are in ZIP code 93063?
How we built this page
Water-quality data on this page comes from public federal and state records for the 3 utilityies serving ZIP 93063. 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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