Water Quality in Sierra Vista, AZ (85635)
EPA violation data for public water systems serving ZIP code 85635.
Active Health Violations
5 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 91% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
34,193
Population
25
Water Systems
51
Violations (5yr)
5
Health-Based
Location
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Water Systems Serving This Area (25)
Bella Vista City Water System
All resolvedBella Vista Water South
All resolvedSouthern Sunrise Wc Cochise Horseshoe
All resolvedBella Vista-Nicksville
Cochise County Community College Distric
Southern Sunrise Wc Miracle Valley
All resolvedSierra Vista-Village Meadows
Northern Sunrise Wc Coronado
All resolvedJimbo S Beach Shack
Sierra Vista Mh Village
1 health-basedNorthern Sunrise Wc Mustang Crystal
All resolvedThunderbird Mobile Home
Sierra Vista City Park
Northern Sunrise Wc Sierra Sunset
Naco Estates
3 health-basedSulger Water Company 2
All resolvedRamsey Canyon Ranch
Sierra Vista Airport
Desert Winds Mobile Park
1 health-basedSunrise Mobile Home Park
Good Shepherd Church
Houghland Water Co
Bella Vista-Rail Oaks
Pueblo Del Sol Reclaimed Water
Mule Mountain
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Sierra Vista (85635) has more violations than 91% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 51.
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.