CheckPFAS

WIDEFIELD WSD

High Risk
PWSID: CO0121900 Colorado Groundwater

3 PFAS compound(s) exceed EPA Maximum Contaminant Levels

This utility has until 2029 to install treatment under the EPA's April 2024 PFAS rule. In the meantime, a point-of-use filter certified NSF/ANSI 58 for PFOA/PFOS provides reliable interim protection.

9
PFAS Detected
3
Above EPA Limits
3
ZIPs Served
Groundwater
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
15.80ppt
395% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
28.40ppt
284% of limit
10 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
10.50ppt
263% of limit
4 ppt⚠ Exceeds MCL
lithium
78600.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
140.60pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
108.90pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
42.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
16.70pptNo federal limitUnregulated
Show 1 more compound detected at low levels
PFPeS5.30 pptNo federal limit

ZIP Codes Served by This Utility

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About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
CO0121900
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor