Water Quality in Boulder, CO (80302)
EPA violation data for public water systems serving ZIP code 80302.
No Health-Based Violations
None of the 44 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are16 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 75% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
29,569
Population
44
Water Systems
16
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (44)
Boulder City Of
All resolvedLongmont City Of
All resolvedErie Town Of
Lafayette City Of
All resolvedEast Boulder Baptist Church
Lefthand Wsd Lake Pines
Colorado Mountain Ranch
Ponderosa Trlr Pk
Golden Pond Village Mhp
Spring Valley Wtr Users Assn
Spring Valley Water Users
Vioya School - Annex
Camp Ora Penn
Gold Hill Inn
Calvary Bible Evangelical Chrh
Gold Hill Inn
Broken Arrow Ranch
Boulder Adventure Lodge
All resolvedColo Brick Co
Bestop
North Broadway Tr Ct
Vidya School
Union Ave Wtr Users Assn
Arapahoe Trlr Ct
Lite Craft
Our School Preschool
Karli'S Cafe
El Vado Motel
City Of Boulder Housing
Salina Cafe
Flatirons Co
Bustop
County Market Complex
Bread Shop
Silver Spruce Wtr Assn
Rock-N-River Resort
Celestial Seasonings
Summer In Greystone Castle
Boulder Valley Horse Ranch
Boulder 2-Big Thompson
Lite Craft Neon, Inc
Flagstaff House Restaurant
Our School Pre School
Lickskillet Cafe
Contaminants Found
Annual water quality report delivery requirement.
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Boulder (80302) has more violations than 75% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 16, 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.