OHA Drinking Water Services
OR41
PWS ID: 00681 ---- OCHOCO WEST WTR & SAN AUTHORITY
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 SPRINGS AND WELL 10/16/2025 0 0 2510184-01

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 SPRINGS AND WELL 10/16/2025 01/14/2026 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026074 Yes 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4025864 Yes 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4025899 Yes 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4025829 Yes 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026039 Yes 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026004 Yes 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4025969 Yes 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4025654 Yes 2827 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2819 PFBA Perfluorobutanoic acid ND 5.25 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4025934 Yes 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2801 PFBS Perfluorobutanesulfonic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026417 Yes 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2807 PFDA Perfluorodecanoic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026209 Yes 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2808 PFDoA Perfluorododecanoic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026177 Yes 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4025689 Yes 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2802 PFHpA Perfluoroheptanoic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026382 Yes 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2829 PFHpS Perfluoroheptanesulfonic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4025584 Yes 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2809 PFHxA Perfluorohexanoic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026142 Yes 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2803 PFHxS Perfluorohexanesulfonic acid ND 10 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026347 Yes 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4025724 Yes 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4025794 Yes 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2804 PFNA Perfluorononanoic acid ND 10 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026312 Yes 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2806 PFOA Perfluorooctanoic acid ND 4.0 1.58 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026242 Yes 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.58 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026277 Yes 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2824 PFPeA Perfluoropentanoic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4025759 Yes 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2828 PFPeS Perfluoropentanesulfonic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4025619 Yes 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SPRINGS AND WELL 10/16/2025 01/14/2026 2812 PFUnA Perfluoroundecanoic acid ND 2.10 2510184-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12728 3037941 4026109 Yes 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS


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