Water Quality in Dewey, AZ (86303)
EPA violation data for public water systems serving ZIP code 86303.
Active Health Violations
3 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 93% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
19,446
Population
26
Water Systems
66
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (26)
Town Of Prescott Valley
All resolvedPrescott City Of
1 health-basedBlack Canyon City Wid
Ponderosa Park Dwid
All resolvedChino Valley Church
All resolvedUsfs-Pnf-White Sparc
Usfs-Pnf-Thumb Butte
Sky Y Camp
Whispering Pines Camp
United Christian Youth Camp
All resolvedGroom Creek Community
Usda-Highland Center For Natural History
Pinehurst Water Company
1 health-basedPinon Pines Bar
Loba Estates Water
Manneken Apartments
All resolvedWinter Haven Rv Park
Usfs Pnf Horsethief Basin
Usfs-Pnf-Upper Wolf Crk C
Usfs-Pnf-Groom Creek
Usfs-Pnf-Beasley Flat Wel
Usfs-Pnf-Horsethief Range
Usfs Pnf Groom Creek Horse Camp
Usfs Pnf Lynx Water System
1 health-basedUsfs Pnf Airport Fire Center
Hotel Bluestone
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
A naturally occurring element that can cause cancer and other health effects at high levels.
Used to disinfect water — generally safe at regulated levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jan 2025
How Does This Compare?
Dewey (86303) has more violations than 93% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 66.
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.
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.