Official PFAS Records — CO

Menoken Wd

PWSID: CO0143506View full utility profile

Source data retrieved: April 20, 2026

UCMR 5 monitoring results are not compliance determinations. Detection does not imply regulatory violation or health risk determination. Methodology

Official Record Summary

Official EPA monitoring records show 20 PFAS results for this water system in the UCMR 5 dataset. 20 reported as not detected above MRL.

PFAS Monitoring Records

Analyte	Result	Status	Sample Date	Sample Point	Source
11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
8:2FTS 8:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid	0.002 µg/L MRL: 0.002	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
NEtFOSAA N-Ethyl perfluorooctane sulfonamido acetic acid	0.005 µg/L MRL: 0.005	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
NMeFOSAA N-Methyl perfluorooctane sulfonamido acetic acid	0.006 µg/L MRL: 0.006	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFBS Perfluorobutane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFDA Perfluorodecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFDoA Perfluorododecanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFEESA Perfluoro(2-ethoxyethane)sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFHpA Perfluoroheptanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFHpS Perfluoroheptane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFHxA Perfluorohexanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFHxS Perfluorohexane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFNA Perfluorononanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFOA Perfluorooctanoic acid	0.004 µg/L MRL: 0.004	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFOS Perfluorooctane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFPeS Perfluoropentane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFTeDA Perfluorotetradecanoic acid	0.008 µg/L MRL: 0.008	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFTrDA Perfluorotridecanoic acid	0.007 µg/L MRL: 0.007	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5
PFUnA Perfluoroundecanoic acid	0.002 µg/L MRL: 0.002	Official non-detect	Mar 20, 2023	WS001	EPA UCMR 5

Source: EPA UCMR 5 Occurrence Data · Retrieved April 20, 2026

Water System

PWSID

CO0143506

State

Colorado

Population served

4,500

System type

Surface water

Full utility profile

PFAS Record Summary

Total records20

Official detections0

Official non-detects20

Monitoring results from EPA UCMR 5 are not compliance determinations.

Colorado drinking water overview Colorado PFAS records — all utilities Best filters for PFAS removal PFAS contaminant overview

Official Sources

EPA ECHO Facility Report UCMR 5 Data Finder EPA PFAS Rule

This page shows only official government PFAS records. No risk scores, safety judgments, or inferred compliance determinations are generated by this system. Read methodology

Colorado PFAS records Methodology