00591 PFAS Sample Results | Data Online | Oregon Drinking Water Services

More Information: PFAS Rule Information & Sampling Project
Abbreviations: MCL = Maximum contaminant level, MRL = Minimum reporting level, ND = Not detected at the minimum reporting level, PFAS = Per- and polyfluoroalkyl substances. Analytes with an MCL are in bold. Sample results detected above the MCL are in bold red.
Water systems must be in compliance with the MCL by 2029. Sample results can be used for compliance when their MRL meets the requirements of the PFAS rule. Results that cannot be used for compliance are shaded gray and italicized.

Sample Summaries

For Compliance?	Facility ID	Facility Name	Sample Date	# Detections	# MCL Exceedances	Sample ID
Yes	EP-A	EP FOR WTP FOR CLACKAMAS RIVER	10/14/2025	0	0	K2510172-001-P

Sample Results

For Compliance?	Facility ID	Facility Name	Sample Date	Received Date	Analyte Abbreviation	Analyte Name	Result (ng/L)	MRL (ng/L)	Sample ID	SelectAnalyte	SelectDetects	SelectDataSet
Yes	EP-A	EP FOR WTP FOR CLACKAMAS RIVER	10/14/2025	01/07/2026	HFPO-DA	Hexafluoropropylene oxide dimer acid	ND	1.00	K2510172-001-P	2816M	N	Yes
Yes	EP-A	EP FOR WTP FOR CLACKAMAS RIVER	10/14/2025	01/07/2026	PFBS	Perfluorobutanesulfonic acid	ND	1.00	K2510172-001-P	2801M	N	Yes
Yes	EP-A	EP FOR WTP FOR CLACKAMAS RIVER	10/14/2025	01/07/2026	PFHxS	Perfluorohexanesulfonic acid	ND	1.00	K2510172-001-P	2803M	N	Yes
Yes	EP-A	EP FOR WTP FOR CLACKAMAS RIVER	10/14/2025	01/07/2026	PFNA	Perfluorononanoic acid	ND	1.00	K2510172-001-P	2804M	N	Yes
Yes	EP-A	EP FOR WTP FOR CLACKAMAS RIVER	10/14/2025	01/07/2026	PFOA	Perfluorooctanoic acid	ND	1.00	K2510172-001-P	2806M	N	Yes
Yes	EP-A	EP FOR WTP FOR CLACKAMAS RIVER	10/14/2025	01/07/2026	PFOS	Perfluorooctanesulfonic acid	ND	1.00	K2510172-001-P	2805M	N	Yes