OHA Drinking Water Services
OR41
PWS ID: 00861 ---- CIRCLE C IMPROVEMENT DISTRICT
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 WELLFIELD GW Seasonal 2 samples 1/1/2023 10/23/2025 N/A N/A
EP-B EP FOR WELL #6 GW Permanent 2 samples 1/1/2023 10/23/2025 N/A N/A
EP-C EP FOR WELL #4 GW Permanent 2 samples 1/1/2023 10/23/2025 N/A N/A
EP-D EP FOR WELL #5 GW Permanent 2 samples 1/1/2023 10/23/2025 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.
For seasonal groundwater entry points in use and providing water to water users 4 months or less a year, collect 1 sample anytime within the 4-month operating period.
For seasonal groundwater entry points in use and providing water to water users 5 or more months a year, collect 2 samples 5 months apart.


Sample Summaries
For compliance? EP ID Entry point name Sample date # Detections # MCL
exceedances
Sample ID
Yes EP-A EP FOR WELLFIELD 10/23/2025 0 0 2510278-01
Yes EP-B EP FOR WELL #6 10/23/2025 0 0 2510278-03,
2510278-03RE2
Yes EP-C EP FOR WELL #4 10/23/2025 0 0 2510278-05
Yes EP-D EP FOR WELL #5 10/23/2025 0 0 2510278-07


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 WELLFIELD 10/23/2025 01/26/2026 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033595 Yes 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033500 Yes 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033515 Yes 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033484 Yes 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033579 Yes 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033563 Yes 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033547 Yes 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033405 Yes 2827 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2819 PFBA Perfluorobutanoic acid ND 4.86 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033531 Yes 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2801 PFBS Perfluorobutanesulfonic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033754 Yes 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2807 PFDA Perfluorodecanoic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033658 Yes 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2808 PFDoA Perfluorododecanoic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033643 Yes 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033421 Yes 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2802 PFHpA Perfluoroheptanoic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033738 Yes 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2829 PFHpS Perfluoroheptanesulfonic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033373 Yes 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2809 PFHxA Perfluorohexanoic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033627 Yes 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033722 Yes 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033437 Yes 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033469 Yes 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2804 PFNA Perfluorononanoic acid ND 10 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033706 Yes 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2806 PFOA Perfluorooctanoic acid ND 4.0 1.46 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033674 Yes 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.46 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033690 Yes 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2824 PFPeA Perfluoropentanoic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033453 Yes 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2828 PFPeS Perfluoropentanesulfonic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033389 Yes 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WELLFIELD 10/23/2025 01/26/2026 2812 PFUnA Perfluoroundecanoic acid ND 1.95 2510278-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12814 3042642 4033611 Yes 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033596 Yes 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033501 Yes 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033516 Yes 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033485 Yes 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033580 Yes 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033564 Yes 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033548 Yes 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033406 Yes 2827 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2819 PFBA Perfluorobutanoic acid ND 4.90 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033532 Yes 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2801 PFBS Perfluorobutanesulfonic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033755 Yes 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033422 Yes 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2802 PFHpA Perfluoroheptanoic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033739 Yes 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2829 PFHpS Perfluoroheptanesulfonic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033374 Yes 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2809 PFHxA Perfluorohexanoic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033628 Yes 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033723 Yes 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033438 Yes 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033470 Yes 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.47 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033691 Yes 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2824 PFPeA Perfluoropentanoic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033454 Yes 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2828 PFPeS Perfluoropentanesulfonic acid ND 1.96 2510278-03 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042643 4033390 Yes 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2807 PFDA Perfluorodecanoic acid ND 2.01 2510278-03RE2 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042644 4033659 Yes 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2808 PFDoA Perfluorododecanoic acid ND 2.01 2510278-03RE2 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042644 4033644 Yes 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2804 PFNA Perfluorononanoic acid ND 10 2.01 2510278-03RE2 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042644 4033707 Yes 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2806 PFOA Perfluorooctanoic acid ND 4.0 1.51 2510278-03RE2 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042644 4033675 Yes 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR WELL #6 10/23/2025 01/26/2026 2812 PFUnA Perfluoroundecanoic acid ND 2.01 2510278-03RE2 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23554 3042644 4033612 Yes 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033597 Yes 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033502 Yes 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033517 Yes 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033486 Yes 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033581 Yes 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033565 Yes 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033549 Yes 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033407 Yes 2827 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2819 PFBA Perfluorobutanoic acid ND 5.11 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033533 Yes 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2801 PFBS Perfluorobutanesulfonic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033756 Yes 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2807 PFDA Perfluorodecanoic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033660 Yes 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033423 Yes 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2802 PFHpA Perfluoroheptanoic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033740 Yes 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2829 PFHpS Perfluoroheptanesulfonic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033375 Yes 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2809 PFHxA Perfluorohexanoic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033629 Yes 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2803 PFHxS Perfluorohexanesulfonic acid ND 10 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033724 Yes 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033439 Yes 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033471 Yes 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2804 PFNA Perfluorononanoic acid ND 10 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033708 Yes 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2806 PFOA Perfluorooctanoic acid ND 4.0 1.53 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033676 Yes 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.53 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033692 Yes 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2824 PFPeA Perfluoropentanoic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033455 Yes 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2828 PFPeS Perfluoropentanesulfonic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033391 Yes 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-C EP FOR WELL #4 10/23/2025 01/26/2026 2812 PFUnA Perfluoroundecanoic acid ND 2.04 2510278-05 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23555 3042645 4033613 Yes 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033598 Yes 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033503 Yes 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033518 Yes 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033487 Yes 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033582 Yes 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033566 Yes 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033550 Yes 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033408 Yes 2827 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2819 PFBA Perfluorobutanoic acid ND 4.93 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033534 Yes 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2801 PFBS Perfluorobutanesulfonic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033757 Yes 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2807 PFDA Perfluorodecanoic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033661 Yes 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2808 PFDoA Perfluorododecanoic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033645 Yes 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033424 Yes 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2802 PFHpA Perfluoroheptanoic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033741 Yes 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2829 PFHpS Perfluoroheptanesulfonic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033376 Yes 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2809 PFHxA Perfluorohexanoic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033630 Yes 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033725 Yes 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033440 Yes 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033472 Yes 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2804 PFNA Perfluorononanoic acid ND 10 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033709 Yes 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2806 PFOA Perfluorooctanoic acid ND 4.0 1.48 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033677 Yes 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.48 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033693 Yes 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2824 PFPeA Perfluoropentanoic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033456 Yes 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2828 PFPeS Perfluoropentanesulfonic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033392 Yes 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-D EP FOR WELL #5 10/23/2025 01/26/2026 2812 PFUnA Perfluoroundecanoic acid ND 1.97 2510278-07 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23556 3042646 4033614 Yes 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS