Water Quality in Flagstaff, AZ (86434)
EPA violation data for public water systems serving ZIP code 86434.
Active Health Violations
7 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 100% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,667
Population
14
Water Systems
450
Violations (5yr)
7
Health-Based
Location
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Water Systems Serving This Area (14)
Flagstaff City Of
All resolvedTown Of Prescott Valley
All resolvedLake Havasu City Of
All resolvedKingman Municipal Water
All resolvedPrescott City Of
1 health-basedBullhead City Mohave
2 health-basedBermuda Water Company Inc
Grand Canyon West
1 health-basedPeach Springs
All resolvedGrand Canyon Caverns
2 health-basedHatch Valley Dwid
Sun Shiners Mhp
1 health-basedHualapai Youth Camp
Chemical Lime Co Of Arizona
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Annual water quality report delivery requirement.
Used to disinfect water — generally safe at regulated levels.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
Flagstaff (86434) has more violations than 100% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 450.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.