OHA Drinking Water Services
OR41
PWS ID: 00363 ---- HALFWAY, CITY OF
PFAS Sample Results

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Sample Summaries
For Compliance? Facility ID Facility Name Sample Date # Detections # MCL
Exceedances
Sample ID
Yes EP-B EP FOR WELL #1 11/04/2025 0 0 2511077-03
Yes EP-A EP FOR WELL #3 11/04/2025 0 0 2511077-01

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 WELL #3 11/04/2025 01/30/2026 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038646 Yes 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038550 Yes 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038566 Yes 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038534 Yes 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038630 Yes 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038614 Yes 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038598 Yes 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038454 Yes 2827 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2819 PFBA Perfluorobutanoic acid ND 4.72 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038582 Yes 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2801 PFBS Perfluorobutanesulfonic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038802 Yes 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2807 PFDA Perfluorodecanoic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038707 Yes 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2808 PFDoA Perfluorododecanoic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038692 Yes 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038470 Yes 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2802 PFHpA Perfluoroheptanoic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038786 Yes 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2829 PFHpS Perfluoroheptanesulfonic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038422 Yes 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2809 PFHxA Perfluorohexanoic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038676 Yes 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038770 Yes 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038486 Yes 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038518 Yes 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2804 PFNA Perfluorononanoic acid ND 10 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038754 Yes 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2806 PFOA Perfluorooctanoic acid ND 4.0 1.42 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038722 Yes 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.42 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038738 Yes 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2824 PFPeA Perfluoropentanoic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038502 Yes 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2828 PFPeS Perfluoropentanesulfonic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038438 Yes 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELL #3 11/04/2025 01/30/2026 2812 PFUnA Perfluoroundecanoic acid ND 1.89 2511077-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15221 3045883 4038661 Yes 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038647 Yes 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038551 Yes 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038567 Yes 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038535 Yes 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038631 Yes 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038615 Yes 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038599 Yes 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038455 Yes 2827 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2819 PFBA Perfluorobutanoic acid ND 4.62 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038583 Yes 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2801 PFBS Perfluorobutanesulfonic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038803 Yes 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2807 PFDA Perfluorodecanoic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038708 Yes 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2808 PFDoA Perfluorododecanoic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038693 Yes 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038471 Yes 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2802 PFHpA Perfluoroheptanoic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038787 Yes 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2829 PFHpS Perfluoroheptanesulfonic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038423 Yes 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2809 PFHxA Perfluorohexanoic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038677 Yes 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038771 Yes 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038487 Yes 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038519 Yes 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2804 PFNA Perfluorononanoic acid ND 10 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038755 Yes 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2806 PFOA Perfluorooctanoic acid ND 4.0 1.38 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038723 Yes 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.38 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038739 Yes 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2824 PFPeA Perfluoropentanoic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038503 Yes 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2828 PFPeS Perfluoropentanesulfonic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038439 Yes 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #1 11/04/2025 01/30/2026 2812 PFUnA Perfluoroundecanoic acid ND 1.85 2511077-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15714 3045884 4038662 Yes 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS



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