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ZIP Code 81428 Water Quality
Colorado · 3,847 people served · 10 water systems
F
FailingZIP code 81428 is in Colorado and is a small town from a drinking-water-service perspective, with 3,847 people served by 10 EPA-registered public water systems. It corresponds to PAONIA.
Within ZIP code 81428, the EPA Safe Drinking Water Information System (SDWIS) records 52 health-based violations during the past five years across 10 water systems serving this postal area. The grade of F reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 81428
Water Systems Serving 81428
PAONIA TOWN OF
PWSID: CO0115601
2,499 served
SOUTH LAMBORN MESA WATER COMPANY
PWSID: CO0115716
47 served
MINNESOTA PIPELINE
PWSID: CO0115513
72 served
BONE MESA DOMESTIC WD
PWSID: CO0115152
400 served
WESTERN EXTENSION DOMESTIC WATER COMPANY
PWSID: CO0115841
37 served
HAMMOND PIPELINE
PWSID: CO0115340
70 served
HIDDEN VALLEY HOA WATER COMPANY
PWSID: CO0115342
120 served
STEWART MESA WC
PWSID: CO0115724
250 served
PITKIN MESA PIPELINE CO
PWSID: CO0115610
295 served
WEST PAONIA DOMESTIC WATER COMPANY
PWSID: CO0115838
57 served
About ZIP-code water data
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
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