Water Quality in Thornton, CO (80701)
EPA violation data for public water systems serving ZIP code 80701.
Active Health Violations
13 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 92% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
16,226
Population
18
Water Systems
59
Violations (5yr)
13
Health-Based
Location
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Water Systems Serving This Area (18)
Thornton City Of
All resolvedWestminster City Of
All resolvedSouth Adams County Wsd
Brighton City Of
1 health-basedNorthglenn City Of
Ft Morgan City Of
All resolvedMorgan County Quality Wd
Big Elk Meadows Wa
Pagels Tp
10 health-basedWagon Wheel Trailer Park
Hill Top General Store
2 health-basedCulligan Water Conditioning
Silver Spur Campground
Western Clean Up Corporation
Culligan Johnsons Super Market
Texaco Outpost
Wayward Wind Lodge And Truckstop
Morgan Heights Ws
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
Copper (Cu)
Exceeds limitSampled: Jan 2025
How Does This Compare?
Thornton (80701) has more violations than 92% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 59.
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.
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.