Water Quality in Boulder, CO (80481)
EPA violation data for public water systems serving ZIP code 80481.
No Health-Based Violations
None of the 11 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are13 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 72% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
484
Population
11
Water Systems
13
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (11)
Boulder City Of
All resolvedLongmont City Of
All resolvedErie Town Of
Lafayette City Of
All resolvedWard Town Of
Gates Camp
All resolvedOverland Cpgd
Lodge Of The Pines
Boys Club Of Denver Camp
Millsite Inn
Gold Lake Ranch Foundation
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.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Boulder (80481) has more violations than 72% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 13, 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.