OHA Drinking Water Services
OR41
PWS ID: 00932 ---- WARRENTON, CITY OF
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 WTP (LEWIS & CLARK RIVER/CREEK) SW Permanent 4 quarters 1/1/2023 12/31/2023 3/21/2023 6/20/2023 9/19/2023 12/12/2023
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-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 09/19/2023 0 0 108058P
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 12/12/2023 0 0 110959P
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 03/21/2023 0 0 102416P
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 06/20/2023 0 0 105231P


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 WTP (LEWIS & CLARK RIVER/CREEK) 03/21/2023 09/04/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.70 102416P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021250 4000811 Yes 2816M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 03/21/2023 09/04/2025 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 102416P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021250 4001301 Yes 2801M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 03/21/2023 09/04/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 102416P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021250 4001203 Yes 2803M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 03/21/2023 09/04/2025 2804 PFNA Perfluorononanoic acid ND 10 1.30 102416P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021250 4001105 Yes 2804M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 03/21/2023 09/04/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.30 102416P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021250 4000909 Yes 2806M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 03/21/2023 09/04/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.30 102416P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021250 4001007 Yes 2805M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 06/20/2023 09/04/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.70 105231P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021249 4000810 Yes 2816M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 06/20/2023 09/04/2025 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 105231P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021249 4001300 Yes 2801M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 06/20/2023 09/04/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 105231P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021249 4001202 Yes 2803M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 06/20/2023 09/04/2025 2804 PFNA Perfluorononanoic acid ND 10 1.30 105231P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021249 4001104 Yes 2804M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 06/20/2023 09/04/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.30 105231P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021249 4000908 Yes 2806M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 06/20/2023 09/04/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.30 105231P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021249 4001006 Yes 2805M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 09/19/2023 09/04/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.70 108058P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021252 4000813 Yes 2816M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 09/19/2023 09/04/2025 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 108058P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021252 4001303 Yes 2801M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 09/19/2023 09/04/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 108058P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021252 4001205 Yes 2803M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 09/19/2023 09/04/2025 2804 PFNA Perfluorononanoic acid ND 10 1.30 108058P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021252 4001107 Yes 2804M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 09/19/2023 09/04/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.30 108058P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021252 4000911 Yes 2806M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 09/19/2023 09/04/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.30 108058P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021252 4001009 Yes 2805M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 12/12/2023 09/04/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.70 110959P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021251 4000812 Yes 2816M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 12/12/2023 09/04/2025 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 110959P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021251 4001302 Yes 2801M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 12/12/2023 09/04/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 110959P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021251 4001204 Yes 2803M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 12/12/2023 09/04/2025 2804 PFNA Perfluorononanoic acid ND 10 1.30 110959P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021251 4001106 Yes 2804M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 12/12/2023 09/04/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.30 110959P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021251 4000910 Yes 2806M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) 12/12/2023 09/04/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.30 110959P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15454 3021251 4001008 Yes 2805M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS