Tap Water Quality in Largo, Florida (ZIP 33770)
Serving Largo, Florida
Is the Tap Water Safe in Largo, Florida?
Tap water in Largo, Florida (ZIP 33770) has 11 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 33770 is served by 3 water utilities providing water to Largo. 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 33770
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 Largo
Found in Largo
Found in Largo
Found in Largo
Found in Largo
Found in Largo
Water Utilities Serving ZIP 33770
PINELLAS COUNTY UTILITIES
506,353
Water Source:
Surface water purchased
Contaminants Tested:
104
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Best Water Filters for Largo (ZIP 33770)
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 Arsenic
See every filter in our database independently certified to reduce Arsenic, with the NSF/ANSI standard behind each listing — consumer brands shown first, no marketing spin.
Browse filters certified for ArsenicFrequently Asked Questions about Largo Tap Water
Is the tap water safe in Largo, Florida (ZIP 33770)?
Which water utilities serve ZIP code 33770?
How do I pay my water bill in Largo (ZIP 33770)?
What contaminants are in Largo water (ZIP 33770)?
Should I use a water filter in Largo (ZIP 33770)?
What cities are in ZIP code 33770?
How we built this page
Water-quality data on this page comes from public federal and state records for the 3 utilityies serving ZIP 33770. 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 Florida Department of Environmental Protection / Drinking Water program.
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