OHA Drinking Water Services
OR41
PWS ID: 00425 ---- KENO WATER CO INC
PFAS Sample Results

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Initial Monitoring
EP ID Entry point name Water
type
Availability Frequency Schedule
begin
Schedule
end
First quarter or
First sample
Second quarter or
Second sample
Third
quarter
Fourth
quarter
EP-C EP FOR WELL #3 GW Permanent 2 samples 1/1/2023 9/24/2025 N/A N/A
For each active entry point served by groundwater, collect 2 consecutive samples within a 12-month period with samples collected 5 to 7 months apart.


Sample Summaries
For compliance? EP ID Entry point name Sample date # Detections # MCL
exceedances
Sample ID
No EP-C EP FOR WELL #3 01/20/2022 0 0 2201107-01
Yes EP-C EP FOR WELL #3 09/24/2025 0 0 2509330-01


Sample Results
For compliance? EP ID
Entry point 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
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230734 No 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230632 No 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230649 No 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230615 No 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230717 No 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230700 No 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 102 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230683 No 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2819 PFBA Perfluorobutanoic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230666 No 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2801 PFBS Perfluorobutanesulfonic acid ND 40.7 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230904 No 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2807 PFDA Perfluorodecanoic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230802 No 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2808 PFDoA Perfluorododecanoic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230785 No 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230547 No 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2802 PFHpA Perfluoroheptanoic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230887 No 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2829 PFHpS Perfluoroheptanesulfonic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230513 No 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2809 PFHxA Perfluorohexanoic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230768 No 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2803 PFHxS Perfluorohexanesulfonic acid ND 10 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230870 No 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 20.3 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230564 No 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 40.7 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230598 No 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2804 PFNA Perfluorononanoic acid ND 10 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230853 No 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2806 PFOA Perfluorooctanoic acid ND 4.0 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230819 No 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230836 No 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2824 PFPeA Perfluoropentanoic acid ND 102 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230581 No 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2828 PFPeS Perfluoropentanesulfonic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230530 No 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-C EP FOR WELL #3 01/20/2022 02/25/2022 2812 PFUnA Perfluoroundecanoic acid ND 10.2 2201107-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 2442051 3230751 No 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006252 Yes 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006156 Yes 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006172 Yes 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006140 Yes 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006236 Yes 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006220 Yes 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006204 Yes 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006060 Yes 2827 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2819 PFBA Perfluorobutanoic acid ND 5.10 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006188 Yes 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2801 PFBS Perfluorobutanesulfonic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006412 Yes 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2807 PFDA Perfluorodecanoic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006316 Yes 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2808 PFDoA Perfluorododecanoic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006300 Yes 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006076 Yes 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2802 PFHpA Perfluoroheptanoic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006396 Yes 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2829 PFHpS Perfluoroheptanesulfonic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006028 Yes 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2809 PFHxA Perfluorohexanoic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006284 Yes 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006380 Yes 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006092 Yes 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006124 Yes 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2804 PFNA Perfluorononanoic acid ND 10 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006364 Yes 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006332 Yes 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006348 Yes 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2824 PFPeA Perfluoropentanoic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006108 Yes 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2828 PFPeS Perfluoropentanesulfonic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006044 Yes 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #3 09/24/2025 12/16/2025 2812 PFUnA Perfluoroundecanoic acid ND 2.04 2509330-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23885 3026293 4006268 Yes 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS