Official PFAS Records — MD

City of Frederick

PWSID: MD0100015FrederickView 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 19 PFAS results for this water system in the UCMR 5 dataset. 19 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	Dec 10, 2024	EP001	EPA UCMR 5
4:2FTS 4:2 Fluorotelomer sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
6:2FTS 6:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
8:2FTS 8:2 Fluorotelomer sulfonic acid	0.005 µg/L MRL: 0.005	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid	0.002 µg/L MRL: 0.002	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
DONA 4,8-Dioxa-3H-perfluorononanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
HFPO-DA Hexafluoropropylene oxide dimer acid	0.005 µg/L MRL: 0.005	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
NEtFOSAA N-Ethyl perfluorooctane sulfonamido acetic acid	0.005 µg/L MRL: 0.005	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
NFDHA Nonafluoro-3,6-dioxaheptanoic acid	0.02 µg/L MRL: 0.02	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
NMeFOSAA N-Methyl perfluorooctane sulfonamido acetic acid	0.006 µg/L MRL: 0.006	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
PFBA Perfluorobutanoic acid	0.005 µg/L MRL: 0.005	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
PFBS Perfluorobutane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
PFHpA Perfluoroheptanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
PFHpS Perfluoroheptane sulfonic acid	0.003 µg/L MRL: 0.003	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
PFMBA Perfluoro-4-methoxybutanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
PFPeA Perfluoropentanoic acid	0.003 µg/L MRL: 0.003	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
PFPeS Perfluoropentane sulfonic acid	0.004 µg/L MRL: 0.004	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
PFTeDA Perfluorotetradecanoic acid	0.008 µg/L MRL: 0.008	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5
PFTrDA Perfluorotridecanoic acid	0.007 µg/L MRL: 0.007	Official non-detect	Dec 10, 2024	EP001	EPA UCMR 5

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

Water System

PWSID

MD0100015

State

Maryland

Population served

54,000

System type

Surface water

Full utility profile

PFAS Record Summary

Total records19

Official detections0

Official non-detects19

Monitoring results from EPA UCMR 5 are not compliance determinations.

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

Maryland PFAS records Methodology