OHA Drinking Water Services
OR41
PWS ID: 01097 ---- LAKEWOOD HOMEOWNERS
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-A EP FOR WELLS GW Permanent 2 samples 1/1/2023 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-A EP FOR WELLS 10/19/2021 3 1 2110247-01
No EP-A EP FOR WELLS 05/04/2023 6 2 2305059-01


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-A EP FOR WELLS 10/19/2021 01/27/2022 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213316 No 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3212848 No 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3212926 No 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3212770 No 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213238 No 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213160 No 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 105 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213082 No 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2819 PFBA Perfluorobutanoic acid ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213004 No 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2801 PFBS Perfluorobutanesulfonic acid ND 42.2 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3214096 No 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2807 PFDA Perfluorodecanoic acid ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213628 No 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2808 PFDoA Perfluorododecanoic acid ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213550 No 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3212458 No 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2802 PFHpA Perfluoroheptanoic acid 17 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3214018 No 2802 D 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2829 PFHpS Perfluoroheptanesulfonic acid ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3212302 No 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2809 PFHxA Perfluorohexanoic acid 34 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213472 No 2809 D 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2803 PFHxS Perfluorohexanesulfonic acid 16.6 10 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213940 No 2803M DE 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 21.1 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3212536 No 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 42.2 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3212692 No 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2804 PFNA Perfluorononanoic acid ND 10 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213862 No 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2806 PFOA Perfluorooctanoic acid ND 4.0 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213706 No 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213784 No 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2824 PFPeA Perfluoropentanoic acid ND 105 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3212614 No 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2828 PFPeS Perfluoropentanesulfonic acid ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3212380 No 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 10/19/2021 01/27/2022 2812 PFUnA Perfluoroundecanoic acid ND 10.5 2110247-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2427623 3213394 No 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501776 No 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501710 No 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501721 No 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501699 No 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501765 No 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 10.8 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501754 No 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 10.8 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501743 No 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 21.5 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501644 No 2827 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2819 PFBA Perfluorobutanoic acid ND 21.5 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501732 No 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2801 PFBS Perfluorobutanesulfonic acid ND 10.8 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501886 No 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2807 PFDA Perfluorodecanoic acid ND 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501820 No 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2808 PFDoA Perfluorododecanoic acid ND 10.8 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501809 No 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501655 No 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2802 PFHpA Perfluoroheptanoic acid 20 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501875 No 2802 D 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2829 PFHpS Perfluoroheptanesulfonic acid ND 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501622 No 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2809 PFHxA Perfluorohexanoic acid 34.3 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501798 No 2809 D 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2803 PFHxS Perfluorohexanesulfonic acid 21.5 10 10.8 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501864 No 2803M DE 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 21.5 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501666 No 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 21.5 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501688 No 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2804 PFNA Perfluorononanoic acid ND 10 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501853 No 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2806 PFOA Perfluorooctanoic acid 8.9 4.0 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501831 No 2806M DE 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501842 No 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2824 PFPeA Perfluoropentanoic acid 30.1 21.5 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501677 No 2824 D 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2828 PFPeS Perfluoropentanesulfonic acid 4.85 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501633 No 2828 D 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR WELLS 05/04/2023 06/09/2023 2812 PFUnA Perfluoroundecanoic acid ND 4.31 2305059-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12945 2635964 3501787 No 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS