OHA Drinking Water Services
OR41
PWS ID: 00461 ---- RIVERGROVE WATER DISTRICT
PFAS Sample Results

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More Information: PFAS Information & Sampling Project
*MCL = Maximum Contaminant Level. Analytes with an MCL are in bold; if it is detected and the MCL is exceeded for that sample, the result is in bold red. MRL = Minimum reporting level. ND = Not detected at the minimum reporting level. Systems must be in compliance with the MCL by 2029. PFAS = Per- and polyfluoroalkyl substances.

Sample Summaries
Facility ID Facility Name Sample Date # Detections # MCL
Exceedances		 Sample ID
EP-A EP FOR WELL #1 10/19/2021 0 0 2110238-01
EP-A EP FOR WELL #1 05/02/2023 0 0 2305041-01
EP-B EP FOR WELL #2 10/19/2021 0 0 2110238-02
EP-C EP FOR OLSON WELL 10/19/2021 0 0 2110238-03


Sample Results
Facility ID
Facility Name Sample Date Received Date Analyte Abbreviation
 Analyte Name
Result (ng/L)
MRL (ng/L) Sample ID SelectAnalyte SelectDetects
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 10.7 2110238-01 2813 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 10.7 2110238-01 2821 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 10.7 2110238-01 2820 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 10.7 2110238-01 2822 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 10.7 2110238-01 2814 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 10.7 2110238-01 2815 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 HFPO-DA Hexafluoropropylene oxide dimer acid ND 107 2110238-01 2816M N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFBA Perfluorobutanoic acid ND 10.7 2110238-01 2819 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFBS Perfluorobutanesulfonic acid ND 42.8 2110238-01 2801 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFDA Perfluorodecanoic acid ND 10.7 2110238-01 2807 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFDoA Perfluorododecanoic acid ND 10.7 2110238-01 2808 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 10.7 2110238-01 2826 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFHpA Perfluoroheptanoic acid ND 10.7 2110238-01 2802 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFHpS Perfluoroheptanesulfonic acid ND 10.7 2110238-01 2829 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFHxA Perfluorohexanoic acid ND 10.7 2110238-01 2809 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFHxS Perfluorohexanesulfonic acid ND 10.7 2110238-01 2803M N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFMBA Perfluoro-4-methoxybutanoic acid ND 21.4 2110238-01 2825 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFMPA Perfluoro-3-methoxypropanoic acid ND 42.8 2110238-01 2823 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFNA Perfluorononanoic acid ND 10.7 2110238-01 2804M N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFOA Perfluorooctanoic acid ND 10.7 2110238-01 2806M N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFOS Perfluorooctanesulfonic acid ND 10.7 2110238-01 2805M N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFPeA Perfluoropentanoic acid ND 107 2110238-01 2824 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFPeS Perfluoropentanesulfonic acid ND 10.7 2110238-01 2828 N
EP-A EP FOR WELL #1 10/19/2021 01/27/2022 PFUnA Perfluoroundecanoic acid ND 10.7 2110238-01 2812 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 4.43 2305041-01 2813 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 4.43 2305041-01 2821 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 4.43 2305041-01 2820 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 4.43 2305041-01 2822 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 4.43 2305041-01 2814 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 11.1 2305041-01 2815 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 HFPO-DA Hexafluoropropylene oxide dimer acid ND 11.1 2305041-01 2816M N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 22.2 2305041-01 2827 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFBA Perfluorobutanoic acid ND 22.2 2305041-01 2819 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFBS Perfluorobutanesulfonic acid ND 11.1 2305041-01 2801 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFDA Perfluorodecanoic acid ND 4.43 2305041-01 2807 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFDoA Perfluorododecanoic acid ND 11.1 2305041-01 2808 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 4.43 2305041-01 2826 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFHpA Perfluoroheptanoic acid ND 4.43 2305041-01 2802 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFHpS Perfluoroheptanesulfonic acid ND 4.43 2305041-01 2829 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFHxA Perfluorohexanoic acid ND 4.43 2305041-01 2809 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFHxS Perfluorohexanesulfonic acid ND 11.1 2305041-01 2803M N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFMBA Perfluoro-4-methoxybutanoic acid ND 22.2 2305041-01 2825 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFMPA Perfluoro-3-methoxypropanoic acid ND 22.2 2305041-01 2823 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFNA Perfluorononanoic acid ND 4.43 2305041-01 2804M N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFOA Perfluorooctanoic acid ND 4.43 2305041-01 2806M N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFOS Perfluorooctanesulfonic acid ND 4.43 2305041-01 2805M N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFPeA Perfluoropentanoic acid ND 22.2 2305041-01 2824 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFPeS Perfluoropentanesulfonic acid ND 4.43 2305041-01 2828 N
EP-A EP FOR WELL #1 05/02/2023 06/09/2023 PFUnA Perfluoroundecanoic acid ND 4.43 2305041-01 2812 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 11.0 2110238-02 2813 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 11.0 2110238-02 2821 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 11.0 2110238-02 2820 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 11.0 2110238-02 2822 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 11.0 2110238-02 2814 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 11.0 2110238-02 2815 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 HFPO-DA Hexafluoropropylene oxide dimer acid ND 110 2110238-02 2816M N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFBA Perfluorobutanoic acid ND 11.0 2110238-02 2819 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFBS Perfluorobutanesulfonic acid ND 44.0 2110238-02 2801 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFDA Perfluorodecanoic acid ND 11.0 2110238-02 2807 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFDoA Perfluorododecanoic acid ND 11.0 2110238-02 2808 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 11.0 2110238-02 2826 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFHpA Perfluoroheptanoic acid ND 11.0 2110238-02 2802 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFHpS Perfluoroheptanesulfonic acid ND 11.0 2110238-02 2829 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFHxA Perfluorohexanoic acid ND 11.0 2110238-02 2809 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFHxS Perfluorohexanesulfonic acid ND 11.0 2110238-02 2803M N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFMBA Perfluoro-4-methoxybutanoic acid ND 22.0 2110238-02 2825 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFMPA Perfluoro-3-methoxypropanoic acid ND 44.0 2110238-02 2823 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFNA Perfluorononanoic acid ND 11.0 2110238-02 2804M N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFOA Perfluorooctanoic acid ND 11.0 2110238-02 2806M N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFOS Perfluorooctanesulfonic acid ND 11.0 2110238-02 2805M N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFPeA Perfluoropentanoic acid ND 110 2110238-02 2824 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFPeS Perfluoropentanesulfonic acid ND 11.0 2110238-02 2828 N
EP-B EP FOR WELL #2 10/19/2021 01/27/2022 PFUnA Perfluoroundecanoic acid ND 11.0 2110238-02 2812 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 10.4 2110238-03 2813 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 10.4 2110238-03 2821 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 10.4 2110238-03 2820 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 10.4 2110238-03 2822 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 10.4 2110238-03 2814 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 10.4 2110238-03 2815 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 HFPO-DA Hexafluoropropylene oxide dimer acid ND 104 2110238-03 2816M N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFBA Perfluorobutanoic acid ND 10.4 2110238-03 2819 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFBS Perfluorobutanesulfonic acid ND 41.6 2110238-03 2801 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFDA Perfluorodecanoic acid ND 10.4 2110238-03 2807 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFDoA Perfluorododecanoic acid ND 10.4 2110238-03 2808 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 10.4 2110238-03 2826 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFHpA Perfluoroheptanoic acid ND 10.4 2110238-03 2802 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFHpS Perfluoroheptanesulfonic acid ND 10.4 2110238-03 2829 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFHxA Perfluorohexanoic acid ND 10.4 2110238-03 2809 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFHxS Perfluorohexanesulfonic acid ND 10.4 2110238-03 2803M N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFMBA Perfluoro-4-methoxybutanoic acid ND 20.8 2110238-03 2825 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFMPA Perfluoro-3-methoxypropanoic acid ND 41.6 2110238-03 2823 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFNA Perfluorononanoic acid ND 10.4 2110238-03 2804M N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFOA Perfluorooctanoic acid ND 10.4 2110238-03 2806M N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFOS Perfluorooctanesulfonic acid ND 10.4 2110238-03 2805M N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFPeA Perfluoropentanoic acid ND 104 2110238-03 2824 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFPeS Perfluoropentanesulfonic acid ND 10.4 2110238-03 2828 N
EP-C EP FOR OLSON WELL 10/19/2021 01/27/2022 PFUnA Perfluoroundecanoic acid ND 10.4 2110238-03 2812 N


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