OHA Drinking Water Services
OR41
PWS ID: 00540 ---- MONROE, 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-B EP FOR LONG TOM RIVER SW Permanent 4 quarters 1/1/2023 3/25/2026 12/18/2025
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-B EP FOR LONG TOM RIVER 12/18/2025 0 0 2512144-01
Yes EP-B EP FOR LONG TOM RIVER 03/25/2026 0 0 177-2794-1


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-B EP FOR LONG TOM RIVER 03/25/2026 04/01/2026 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 2.00 177-2794-1 4034 EUROFINS EATON ANALYTICAL EPA 537.1 PFAS SPE LC/MS/MS 22792 3074847 4086432 Yes 2816M N 4034 EUROFINS EATON ANALYTICAL EPA 537.1 PFAS SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 03/25/2026 04/01/2026 2801 PFBS Perfluorobutanesulfonic acid ND 2.00 177-2794-1 4034 EUROFINS EATON ANALYTICAL EPA 537.1 PFAS SPE LC/MS/MS 22792 3074847 4086437 Yes 2801M N 4034 EUROFINS EATON ANALYTICAL EPA 537.1 PFAS SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 03/25/2026 04/01/2026 2803 PFHxS Perfluorohexanesulfonic acid ND 10 2.00 177-2794-1 4034 EUROFINS EATON ANALYTICAL EPA 537.1 PFAS SPE LC/MS/MS 22792 3074847 4086436 Yes 2803M N 4034 EUROFINS EATON ANALYTICAL EPA 537.1 PFAS SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 03/25/2026 04/01/2026 2804 PFNA Perfluorononanoic acid ND 10 2.00 177-2794-1 4034 EUROFINS EATON ANALYTICAL EPA 537.1 PFAS SPE LC/MS/MS 22792 3074847 4086435 Yes 2804M N 4034 EUROFINS EATON ANALYTICAL EPA 537.1 PFAS SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 03/25/2026 04/01/2026 2806 PFOA Perfluorooctanoic acid ND 4.0 2.00 177-2794-1 4034 EUROFINS EATON ANALYTICAL EPA 537.1 PFAS SPE LC/MS/MS 22792 3074847 4086433 Yes 2806M N 4034 EUROFINS EATON ANALYTICAL EPA 537.1 PFAS SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 03/25/2026 04/01/2026 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 2.00 177-2794-1 4034 EUROFINS EATON ANALYTICAL EPA 537.1 PFAS SPE LC/MS/MS 22792 3074847 4086434 Yes 2805M N 4034 EUROFINS EATON ANALYTICAL EPA 537.1 PFAS SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078866 Yes 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078842 Yes 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078846 Yes 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078838 Yes 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078862 Yes 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078858 Yes 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078854 Yes 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078818 Yes 2827 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2819 PFBA Perfluorobutanoic acid ND 4.71 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078850 Yes 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2801 PFBS Perfluorobutanesulfonic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078906 Yes 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2807 PFDA Perfluorodecanoic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078882 Yes 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2808 PFDoA Perfluorododecanoic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078878 Yes 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078822 Yes 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2802 PFHpA Perfluoroheptanoic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078902 Yes 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2829 PFHpS Perfluoroheptanesulfonic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078810 Yes 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2809 PFHxA Perfluorohexanoic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078874 Yes 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078898 Yes 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078826 Yes 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078834 Yes 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2804 PFNA Perfluorononanoic acid ND 10 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078894 Yes 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2806 PFOA Perfluorooctanoic acid ND 4.0 1.41 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078886 Yes 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.41 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078890 Yes 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2824 PFPeA Perfluoropentanoic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078830 Yes 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2828 PFPeS Perfluoropentanesulfonic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078814 Yes 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR LONG TOM RIVER 12/18/2025 03/18/2026 2812 PFUnA Perfluoroundecanoic acid ND 1.88 2512144-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 22792 3069704 4078870 Yes 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS