OHA Drinking Water Services
OR41
PWS ID: 94971 ---- OREGON YOUTH CHALLENGE PROGRAM
PFAS Sample Results

Table is loading - please wait...


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 WELL GW Permanent 2 samples 1/1/2023 12/31/2025 2/4/2025 8/5/2025 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.


Sample Summaries
For compliance? EP ID Entry point name Sample date # Detections # MCL
exceedances		 Sample ID
Yes EP-A EP for WELL 02/04/2025 0 0 380-134442-1-P
Yes EP-A EP for WELL 08/05/2025 0 0 175-105-1


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 WELL 08/05/2025 10/03/2025 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957776 Yes 2813 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957770 Yes 2821 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957771 Yes 2820 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957769 Yes 2822 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957775 Yes 2814 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957774 Yes 2815 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957773 Yes 2816M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957764 Yes 2827 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2819 PFBA Perfluorobutanoic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957772 Yes 2819 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2801 PFBS Perfluorobutanesulfonic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957786 Yes 2801M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2807 PFDA Perfluorodecanoic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957780 Yes 2807 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2808 PFDoA Perfluorododecanoic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957779 Yes 2808 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957765 Yes 2826 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2802 PFHpA Perfluoroheptanoic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957785 Yes 2802 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2829 PFHpS Perfluoroheptanesulfonic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957762 Yes 2829 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2809 PFHxA Perfluorohexanoic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957778 Yes 2809 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957784 Yes 2803M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957766 Yes 2825 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957768 Yes 2823 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2804 PFNA Perfluorononanoic acid ND 10 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957783 Yes 2804M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957781 Yes 2806M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957782 Yes 2805M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2824 PFPeA Perfluoropentanoic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957767 Yes 2824 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2828 PFPeS Perfluoropentanesulfonic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957763 Yes 2828 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 08/05/2025 10/03/2025 2812 PFUnA Perfluoroundecanoic acid ND 2.00 175-105-1 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2999087 3957777 Yes 2812 N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 02/04/2025 03/20/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 2.00 380-134442-1-P 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2970187 3915783 Yes 2816M N 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 02/04/2025 03/20/2025 2801 PFBS Perfluorobutanesulfonic acid ND 2.00 380-134442-1-P 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2970187 3915833 Yes 2801M N 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 02/04/2025 03/20/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 2.00 380-134442-1-P 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2970187 3915823 Yes 2803M N 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 02/04/2025 03/20/2025 2804 PFNA Perfluorononanoic acid ND 10 2.00 380-134442-1-P 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2970187 3915813 Yes 2804M N 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 02/04/2025 03/20/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 2.00 380-134442-1-P 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2970187 3915793 Yes 2806M N 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WELL 02/04/2025 03/20/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 2.00 380-134442-1-P 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 16905 2970187 3915803 Yes 2805M N 4034 EUROFINS EATON ANALYTICAL 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS


More information for this water system: SDWIS ID 4176
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection
Main menu:
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login