Water Quality in Flagstaff, AZ (86336)
EPA violation data for public water systems serving ZIP code 86336.
Active Health Violations
25 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 98% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
11,381
Population
30
Water Systems
162
Violations (5yr)
25
Health-Based
Location
Loading map...
Water Systems Serving This Area (30)
Flagstaff City Of
All resolvedTown Of Prescott Valley
All resolvedPrescott City Of
1 health-basedOak Creek Water District
12 health-basedEnchantment Resort
Sunset Mobile Home Park
Seven Canyons Of Sedona
Junipine Resort
Living Springs Mhp - Rainbow Trout Farm
1 health-basedSedona Mago Retreat
2 health-basedSchuerman Mobile Home Par
Wtg Family Partnership
Orchard Canyon Lodge
Michaels Ranch Water Users Association
Retreat At Oak Creek Dwid
4 health-basedDon Hoel Cabins
Red Rock Crossing Mobile Village
3 health-basedForest Houses Resort
All resolvedCourthouse Butte Estates
Indian Garden Homes Water Co
Creekside Homes
All resolvedBriar Patch Resort
Five Oaks Water Owners
All resolvedOak Creek Terrace Motel
Oak Creek Estates
All resolvedUsfs
Rocky Springs Water Co
Cathedral Rock Estates Water Coop
2 health-basedCanyon Well Company
Oak Creek Properties
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.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Flagstaff (86336) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 162.
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.