OHA Drinking Water Services
OR41
PWS ID: 05957 ---- COUTES
PFAS Sample Results

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Sample Summaries
For Compliance? Facility ID Facility Name Sample Date # Detections # MCL
Exceedances		 Sample ID
Yes EP-A EP for WELL 02/04/2025 0 0 C567-06539-P
Yes EP-A EP for WELL 08/05/2025 0 0 175-108-1

Sample Results
For Compliance? Facility ID
Facility Name Sample Date Received Date Analyte
Code		 Analyte Abbreviation
 Analyte Name
Result (ng/L)
MCL
(ng/L)		 MRL
(ng/L)		 Sample ID Lab ID Lab Name Analysis Method Method Name TINWSF
ISN		 TSASAMPL
ISN		 TSASAR
ISN		 SelectDataSet SelectAnalyte SelectDetects SelectLabID SelectLabName SelectMethod SelectMethodName
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957876 Yes 2813 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957870 Yes 2821 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957871 Yes 2820 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957869 Yes 2822 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957875 Yes 2814 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957874 Yes 2815 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957873 Yes 2816M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957864 Yes 2827 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2819 PFBA Perfluorobutanoic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957872 Yes 2819 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2801 PFBS Perfluorobutanesulfonic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957886 Yes 2801M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2807 PFDA Perfluorodecanoic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957880 Yes 2807 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2808 PFDoA Perfluorododecanoic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957879 Yes 2808 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957865 Yes 2826 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2802 PFHpA Perfluoroheptanoic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957885 Yes 2802 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2829 PFHpS Perfluoroheptanesulfonic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957862 Yes 2829 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2809 PFHxA Perfluorohexanoic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957878 Yes 2809 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957884 Yes 2803M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957866 Yes 2825 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957868 Yes 2823 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2804 PFNA Perfluorononanoic acid ND 10 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957883 Yes 2804M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957881 Yes 2806M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957882 Yes 2805M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2824 PFPeA Perfluoropentanoic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957867 Yes 2824 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2828 PFPeS Perfluoropentanesulfonic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957863 Yes 2828 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2812 PFUnA Perfluoroundecanoic acid ND 2.00 175-108-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2999091 3957877 Yes 2812 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 02/04/2025 03/05/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 2.00 C567-06539-P 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2970190 3915786 Yes 2816M N 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 02/04/2025 03/05/2025 2801 PFBS Perfluorobutanesulfonic acid ND 2.00 C567-06539-P 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2970190 3915836 Yes 2801M N 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 02/04/2025 03/05/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 2.00 C567-06539-P 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2970190 3915826 Yes 2803M N 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 02/04/2025 03/05/2025 2804 PFNA Perfluorononanoic acid ND 10 2.00 C567-06539-P 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2970190 3915816 Yes 2804M N 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 02/04/2025 03/05/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 2.00 C567-06539-P 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2970190 3915796 Yes 2806M N 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 02/04/2025 03/05/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 2.00 C567-06539-P 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16906 2970190 3915806 Yes 2805M N 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS


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