Water Quality in Fort Collins, CO (80503)
EPA violation data for public water systems serving ZIP code 80503.
No Health-Based Violations
None of the 13 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are32 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 85% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
35,846
Population
13
Water Systems
32
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (13)
Ft Collins City Of
All resolvedBoulder City Of
All resolvedLongmont City Of
All resolvedLoveland City Of
All resolvedFt Collins Loveland Wd
Erie Town Of
Lafayette City Of
All resolvedEast Larimer County Wd
All resolvedCsu Main And West Housing Campus
Little Thompson Wd
Dollar General Store 20906
All resolvedHaystack Golf Course
Lyons U Pump It
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?
Fort Collins (80503) has more violations than 85% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 32, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.