Tap Water Quality in Mission Viejo, California (ZIP 92691)
Serving Mission Viejo, California
Is the Tap Water Safe in Mission Viejo, California?
Tap water in Mission Viejo, California (ZIP 92691) has 6 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 92691 is served by 3 water utilities providing water to Mission Viejo. 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 92691
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 Mission Viejo
Found in Mission Viejo
Water Utilities Serving ZIP 92691
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Best Water Filters for Mission Viejo (ZIP 92691)
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 Mission Viejo Tap Water
Is the tap water safe in Mission Viejo, California (ZIP 92691)?
Which water utilities serve ZIP code 92691?
How do I pay my water bill in Mission Viejo (ZIP 92691)?
What contaminants are in Mission Viejo water (ZIP 92691)?
Should I use a water filter in Mission Viejo (ZIP 92691)?
What cities are in ZIP code 92691?
How we built this page
Water-quality data on this page comes from public federal and state records for the 3 utilityies serving ZIP 92691. 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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