OHA Drinking Water Services
OR41
PWS ID: 00171 ---- CARLTON, CITY OF
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 PANTHER CREEK SW Permanent 4 quarters 1/1/2023 9/4/2025 12/17/2025
For each active entry point served by surface water, collect 4 consecutive quarters of samples within a 12-month period with samples collected 2 to 4 months apart.


Sample Summaries
For compliance? EP ID Entry point name Sample date # Detections # MCL
exceedances
Sample ID
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 0 0 2509071-01
Yes EP-A EP FOR PANTHER CREEK 12/17/2025 0 0 170-2706-1


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
Yes EP-A EP FOR PANTHER CREEK 12/17/2025 01/05/2026 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 2.00 170-2706-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3033821 4019764 Yes 2816M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 12/17/2025 01/05/2026 2801 PFBS Perfluorobutanesulfonic acid ND 2.00 170-2706-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3033821 4019769 Yes 2801M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 12/17/2025 01/05/2026 2803 PFHxS Perfluorohexanesulfonic acid ND 10 2.00 170-2706-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3033821 4019768 Yes 2803M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 12/17/2025 01/05/2026 2804 PFNA Perfluorononanoic acid ND 10 2.00 170-2706-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3033821 4019767 Yes 2804M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 12/17/2025 01/05/2026 2806 PFOA Perfluorooctanoic acid ND 4.0 2.00 170-2706-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3033821 4019765 Yes 2806M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 12/17/2025 01/05/2026 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 2.00 170-2706-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3033821 4019766 Yes 2805M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000118 Yes 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000070 Yes 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000078 Yes 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000062 Yes 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000110 Yes 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000102 Yes 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000094 Yes 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000022 Yes 2827 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2819 PFBA Perfluorobutanoic acid ND 4.88 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000086 Yes 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2801 PFBS Perfluorobutanesulfonic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000198 Yes 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2807 PFDA Perfluorodecanoic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000150 Yes 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2808 PFDoA Perfluorododecanoic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000142 Yes 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000030 Yes 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2802 PFHpA Perfluoroheptanoic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000190 Yes 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2829 PFHpS Perfluoroheptanesulfonic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000006 Yes 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2809 PFHxA Perfluorohexanoic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000134 Yes 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000182 Yes 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000038 Yes 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000054 Yes 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2804 PFNA Perfluorononanoic acid ND 10 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000174 Yes 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000158 Yes 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000166 Yes 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2824 PFPeA Perfluoropentanoic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000046 Yes 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2828 PFPeS Perfluoropentanesulfonic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000014 Yes 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR PANTHER CREEK 09/04/2025 12/05/2025 2812 PFUnA Perfluoroundecanoic acid ND 1.95 2509071-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12224 3023367 4000126 Yes 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS