OHA Drinking Water Services
OR41
PWS ID: 00508 ---- MARCOLA WATER DISTRICT
PFAS Sample Results

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Sample Summaries
For Compliance? Facility ID Facility Name Sample Date # Detections # MCL
Exceedances		 Sample ID
No EP-D EP FOR IRISH WELL 12/08/2021 0 0 2112078-01
Yes EP-A EP FOR FIREHOUSE WELL 05/16/2023 0 0 104163P
Yes EP-F EP FOR SPICER WELL 11/21/2023 0 0 109898P
Yes EP-D EP FOR IRISH WELL 11/21/2023 0 0 109897P
Yes EP-F EP FOR SPICER WELL 01/30/2024 2 1 113916R
Yes EP-G EP FOR MAPLE LANE WELLS 11/21/2023 0 0 109899P
Yes EP-A EP FOR FIREHOUSE WELL 01/30/2024 1 1 113915R
Yes EP-D EP FOR IRISH WELL 05/16/2023 0 0 104164P
Yes EP-G EP FOR MAPLE LANE WELLS 05/16/2023 0 0 104166P
Yes EP-A EP FOR FIREHOUSE WELL 11/21/2023 0 0 109896P
Yes EP-F EP FOR SPICER WELL 05/16/2023 2 1 104165P

Sample Results
For Compliance? Facility ID
Facility Name Sample Date Received Date Analyte Abbreviation
 Analyte Name
Result (ng/L)
MRL (ng/L) Sample ID SelectAnalyte SelectDetects SelectDataSet
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 11.5 2112078-01 2813 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 11.5 2112078-01 2821 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 11.5 2112078-01 2820 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 11.5 2112078-01 2822 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 11.5 2112078-01 2814 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 11.5 2112078-01 2815 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 HFPO-DA Hexafluoropropylene oxide dimer acid ND 115 2112078-01 2816M N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFBA Perfluorobutanoic acid ND 11.5 2112078-01 2819 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFBS Perfluorobutanesulfonic acid ND 46.0 2112078-01 2801 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFDA Perfluorodecanoic acid ND 11.5 2112078-01 2807 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFDoA Perfluorododecanoic acid ND 11.5 2112078-01 2808 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 11.5 2112078-01 2826 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFHpA Perfluoroheptanoic acid ND 11.5 2112078-01 2802 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFHpS Perfluoroheptanesulfonic acid ND 11.5 2112078-01 2829 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFHxA Perfluorohexanoic acid ND 11.5 2112078-01 2809 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFHxS Perfluorohexanesulfonic acid ND 11.5 2112078-01 2803M N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFMBA Perfluoro-4-methoxybutanoic acid ND 23.0 2112078-01 2825 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFMPA Perfluoro-3-methoxypropanoic acid ND 46.0 2112078-01 2823 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFNA Perfluorononanoic acid ND 11.5 2112078-01 2804M N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFOA Perfluorooctanoic acid ND 11.5 2112078-01 2806M N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFOS Perfluorooctanesulfonic acid ND 11.5 2112078-01 2805M N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFPeA Perfluoropentanoic acid ND 115 2112078-01 2824 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFPeS Perfluoropentanesulfonic acid ND 11.5 2112078-01 2828 N No
No EP-D EP FOR IRISH WELL 12/08/2021 01/27/2022 PFUnA Perfluoroundecanoic acid ND 11.5 2112078-01 2812 N No
Yes EP-A EP FOR FIREHOUSE WELL 05/16/2023 09/04/2025 HFPO-DA Hexafluoropropylene oxide dimer acid ND 1.70 104163P 2816M N Yes
Yes EP-A EP FOR FIREHOUSE WELL 05/16/2023 09/04/2025 PFBS Perfluorobutanesulfonic acid ND 1.00 104163P 2801 N Yes
Yes EP-A EP FOR FIREHOUSE WELL 05/16/2023 09/04/2025 PFHxS Perfluorohexanesulfonic acid ND 1.00 104163P 2803M N Yes
Yes EP-A EP FOR FIREHOUSE WELL 05/16/2023 09/04/2025 PFNA Perfluorononanoic acid ND 1.30 104163P 2804M N Yes
Yes EP-A EP FOR FIREHOUSE WELL 05/16/2023 09/04/2025 PFOA Perfluorooctanoic acid ND 1.30 104163P 2806M N Yes
Yes EP-A EP FOR FIREHOUSE WELL 05/16/2023 09/04/2025 PFOS Perfluorooctanesulfonic acid ND 1.30 104163P 2805M N Yes
Yes EP-A EP FOR FIREHOUSE WELL 01/30/2024 09/04/2025 PFOS Perfluorooctanesulfonic acid 5.00 1.30 113915R 2805M DE Yes
Yes EP-A EP FOR FIREHOUSE WELL 11/21/2023 09/04/2025 HFPO-DA Hexafluoropropylene oxide dimer acid ND 1.70 109896P 2816M N Yes
Yes EP-A EP FOR FIREHOUSE WELL 11/21/2023 09/04/2025 PFBS Perfluorobutanesulfonic acid ND 1.00 109896P 2801 N Yes
Yes EP-A EP FOR FIREHOUSE WELL 11/21/2023 09/04/2025 PFHxS Perfluorohexanesulfonic acid ND 1.00 109896P 2803M N Yes
Yes EP-A EP FOR FIREHOUSE WELL 11/21/2023 09/04/2025 PFNA Perfluorononanoic acid ND 1.30 109896P 2804M N Yes
Yes EP-A EP FOR FIREHOUSE WELL 11/21/2023 09/04/2025 PFOA Perfluorooctanoic acid ND 1.30 109896P 2806M N Yes
Yes EP-D EP FOR IRISH WELL 05/16/2023 09/04/2025 HFPO-DA Hexafluoropropylene oxide dimer acid ND 1.70 104164P 2816M N Yes
Yes EP-D EP FOR IRISH WELL 05/16/2023 09/04/2025 PFBS Perfluorobutanesulfonic acid ND 1.00 104164P 2801 N Yes
Yes EP-D EP FOR IRISH WELL 05/16/2023 09/04/2025 PFHxS Perfluorohexanesulfonic acid ND 1.00 104164P 2803M N Yes
Yes EP-D EP FOR IRISH WELL 05/16/2023 09/04/2025 PFNA Perfluorononanoic acid ND 1.30 104164P 2804M N Yes
Yes EP-D EP FOR IRISH WELL 05/16/2023 09/04/2025 PFOA Perfluorooctanoic acid ND 1.30 104164P 2806M N Yes
Yes EP-D EP FOR IRISH WELL 05/16/2023 09/04/2025 PFOS Perfluorooctanesulfonic acid ND 1.30 104164P 2805M N Yes
Yes EP-D EP FOR IRISH WELL 11/21/2023 09/04/2025 HFPO-DA Hexafluoropropylene oxide dimer acid ND 1.70 109897P 2816M N Yes
Yes EP-D EP FOR IRISH WELL 11/21/2023 09/04/2025 PFBS Perfluorobutanesulfonic acid ND 1.00 109897P 2801 N Yes
Yes EP-D EP FOR IRISH WELL 11/21/2023 09/04/2025 PFHxS Perfluorohexanesulfonic acid ND 1.00 109897P 2803M N Yes
Yes EP-D EP FOR IRISH WELL 11/21/2023 09/04/2025 PFNA Perfluorononanoic acid ND 1.30 109897P 2804M N Yes
Yes EP-D EP FOR IRISH WELL 11/21/2023 09/04/2025 PFOA Perfluorooctanoic acid ND 1.30 109897P 2806M N Yes
Yes EP-D EP FOR IRISH WELL 11/21/2023 09/04/2025 PFOS Perfluorooctanesulfonic acid ND 1.30 109897P 2805M N Yes
Yes EP-F EP FOR SPICER WELL 05/16/2023 09/04/2025 HFPO-DA Hexafluoropropylene oxide dimer acid ND 1.70 104165P 2816M N Yes
Yes EP-F EP FOR SPICER WELL 05/16/2023 09/04/2025 PFBS Perfluorobutanesulfonic acid ND 1.00 104165P 2801 N Yes
Yes EP-F EP FOR SPICER WELL 05/16/2023 09/04/2025 PFHxS Perfluorohexanesulfonic acid 4.00 1.00 104165P 2803M D Yes
Yes EP-F EP FOR SPICER WELL 05/16/2023 09/04/2025 PFNA Perfluorononanoic acid ND 1.30 104165P 2804M N Yes
Yes EP-F EP FOR SPICER WELL 05/16/2023 09/04/2025 PFOA Perfluorooctanoic acid ND 1.30 104165P 2806M N Yes
Yes EP-F EP FOR SPICER WELL 05/16/2023 09/04/2025 PFOS Perfluorooctanesulfonic acid 5.70 1.30 104165P 2805M DE Yes
Yes EP-F EP FOR SPICER WELL 01/30/2024 09/04/2025 PFHxS Perfluorohexanesulfonic acid 7.40 1.00 113916R 2803M D Yes
Yes EP-F EP FOR SPICER WELL 01/30/2024 09/04/2025 PFOS Perfluorooctanesulfonic acid 6.80 1.30 113916R 2805M DE Yes
Yes EP-F EP FOR SPICER WELL 11/21/2023 09/04/2025 HFPO-DA Hexafluoropropylene oxide dimer acid ND 1.70 109898P 2816M N Yes
Yes EP-F EP FOR SPICER WELL 11/21/2023 09/04/2025 PFBS Perfluorobutanesulfonic acid ND 1.00 109898P 2801 N Yes
Yes EP-F EP FOR SPICER WELL 11/21/2023 09/04/2025 PFNA Perfluorononanoic acid ND 1.30 109898P 2804M N Yes
Yes EP-F EP FOR SPICER WELL 11/21/2023 09/04/2025 PFOA Perfluorooctanoic acid ND 1.30 109898P 2806M N Yes
Yes EP-G EP FOR MAPLE LANE WELLS 11/21/2023 09/04/2025 HFPO-DA Hexafluoropropylene oxide dimer acid ND 1.70 109899P 2816M N Yes
Yes EP-G EP FOR MAPLE LANE WELLS 11/21/2023 09/04/2025 PFBS Perfluorobutanesulfonic acid ND 1.00 109899P 2801 N Yes
Yes EP-G EP FOR MAPLE LANE WELLS 11/21/2023 09/04/2025 PFHxS Perfluorohexanesulfonic acid ND 1.00 109899P 2803M N Yes
Yes EP-G EP FOR MAPLE LANE WELLS 11/21/2023 09/04/2025 PFNA Perfluorononanoic acid ND 1.30 109899P 2804M N Yes
Yes EP-G EP FOR MAPLE LANE WELLS 11/21/2023 09/04/2025 PFOA Perfluorooctanoic acid ND 1.30 109899P 2806M N Yes
Yes EP-G EP FOR MAPLE LANE WELLS 11/21/2023 09/04/2025 PFOS Perfluorooctanesulfonic acid ND 1.30 109899P 2805M N Yes
Yes EP-G EP FOR MAPLE LANE WELLS 05/16/2023 09/04/2025 HFPO-DA Hexafluoropropylene oxide dimer acid ND 1.70 104166P 2816M N Yes
Yes EP-G EP FOR MAPLE LANE WELLS 05/16/2023 09/04/2025 PFBS Perfluorobutanesulfonic acid ND 1.00 104166P 2801 N Yes
Yes EP-G EP FOR MAPLE LANE WELLS 05/16/2023 09/04/2025 PFHxS Perfluorohexanesulfonic acid ND 1.00 104166P 2803M N Yes
Yes EP-G EP FOR MAPLE LANE WELLS 05/16/2023 09/04/2025 PFNA Perfluorononanoic acid ND 1.30 104166P 2804M N Yes
Yes EP-G EP FOR MAPLE LANE WELLS 05/16/2023 09/04/2025 PFOA Perfluorooctanoic acid ND 1.30 104166P 2806M N Yes
Yes EP-G EP FOR MAPLE LANE WELLS 05/16/2023 09/04/2025 PFOS Perfluorooctanesulfonic acid ND 1.30 104166P 2805M N Yes


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