Water Quality in Denver, CO (80123)
EPA violation data for public water systems serving ZIP code 80123.
Active Health Violations
2 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 82% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
44,549
Population
31
Water Systems
25
Violations (5yr)
2
Health-Based
Location
Loading map...
Water Systems Serving This Area (31)
Denver Water Board
All resolvedAurora City Of
Arvada City Of
All resolvedConsolidated Mutual Maple Grove
East Cherry Creek Valley Wsd
All resolvedEnglewood City Of
1 health-basedSouthgate Wsd
Consolidated Mutual Water Company
Green Mountain Wsd
All resolvedSouthwest Metropolitan Wsd
Bancroft Clover Wsd
Golden City Of
Platte Canyon Wsd
Lakehurst Wsd
Bow Mar Wsd
Columbine Lakes Hoa
All resolvedHigh Cliff Estates
Minatare Plaza
Little Squaw Resort
1 health-basedArapahoe Estates Wd
Pure Wtw Canned Food Store
Pure Wtw City Mrkt Orchard Mesa
Pure Water S Loaf N Jug
Pure Wtw City Markt Coronado
Pure Ws Food Bonanza W 52nd St
Pure Wtw S Village Market
Pure Wtw Food Bonanza
Pure Wtw S Biggs Hypermarket
Pure Wtw S Food Bonanza
Pure Wtw Service 7 11
Pure Wtw Service Anthonys
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
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: Jul 2025
How Does This Compare?
Denver (80123) has more violations than 82% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 25.
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.