| 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 COLUMBIA RIVER | SW | Permanent | 4 quarters | 1/1/2023 | 11/24/2025 | ||||
| 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. |
||||||||||
| For compliance? | EP ID | Entry point name | Sample date | # Detections | # MCL exceedances |
Sample ID |
|---|---|---|---|---|---|---|
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 0 | 0 | 2201061-01, 2201061-01RE1 |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 0 | 0 | K2511834-001-P, K2511834-002-P |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2819 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2201061-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438593 | 3225973 | No | 2819 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2825 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2201061-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438593 | 3225865 | No | 2825 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2823 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.2 | 2201061-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438593 | 3225901 | No | 2823 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2824 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2201061-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438593 | 3225883 | No | 2824 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2813 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226045 | No | 2813 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2821 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3225937 | No | 2821 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2820 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3225955 | No | 2820 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2822 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3225919 | No | 2822 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2814 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226027 | No | 2814 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2815 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226009 | No | 2815 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2816 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10 | 106 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3225991 | No | 2816M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2801 | PFBS | Perfluorobutanesulfonic acid | ND | 42.2 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226225 | No | 2801M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2807 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226117 | No | 2807 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2808 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226099 | No | 2808 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2826 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3225847 | No | 2826 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2802 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226207 | No | 2802 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2829 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3225811 | No | 2829 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2809 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226081 | No | 2809 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2803 | PFHxS | Perfluorohexanesulfonic acid | ND | 10 | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226189 | No | 2803M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2804 | PFNA | Perfluorononanoic acid | ND | 10 | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226171 | No | 2804M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2806 | PFOA | Perfluorooctanoic acid | ND | 4.0 | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226135 | No | 2806M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2805 | PFOS | Perfluorooctanesulfonic acid | ND | 4.0 | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226153 | No | 2805M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2828 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3225829 | No | 2828 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 2812 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2201061-01RE1 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 2438594 | 3226063 | No | 2812 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 01/07/2026 | 2816 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10 | 1.00 | K2511834-001-P | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 3041761 | 4030434 | Yes | 2816M | N | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 01/07/2026 | 2801 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | K2511834-001-P | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 3041761 | 4030519 | Yes | 2801M | N | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 01/07/2026 | 2803 | PFHxS | Perfluorohexanesulfonic acid | ND | 10 | 1.00 | K2511834-001-P | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 3041761 | 4030502 | Yes | 2803M | N | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 01/07/2026 | 2804 | PFNA | Perfluorononanoic acid | ND | 10 | 1.00 | K2511834-001-P | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 3041761 | 4030485 | Yes | 2804M | N | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 01/07/2026 | 2806 | PFOA | Perfluorooctanoic acid | ND | 4.0 | 1.00 | K2511834-001-P | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 3041761 | 4030451 | Yes | 2806M | N | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 01/07/2026 | 2805 | PFOS | Perfluorooctanesulfonic acid | ND | 4.0 | 1.00 | K2511834-001-P | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 3041761 | 4030468 | Yes | 2805M | N | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 01/07/2026 | 2816 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10 | 1.00 | K2511834-002-P | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 3041762 | 4030435 | Yes | 2816M | N | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 01/07/2026 | 2801 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | K2511834-002-P | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 3041762 | 4030520 | Yes | 2801M | N | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 01/07/2026 | 2803 | PFHxS | Perfluorohexanesulfonic acid | ND | 10 | 1.00 | K2511834-002-P | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 3041762 | 4030503 | Yes | 2803M | N | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 01/07/2026 | 2804 | PFNA | Perfluorononanoic acid | ND | 10 | 1.00 | K2511834-002-P | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 3041762 | 4030486 | Yes | 2804M | N | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 01/07/2026 | 2806 | PFOA | Perfluorooctanoic acid | ND | 4.0 | 1.00 | K2511834-002-P | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 3041762 | 4030452 | Yes | 2806M | N | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-A | EP FOR COLUMBIA RIVER | 11/24/2025 | 01/07/2026 | 2805 | PFOS | Perfluorooctanesulfonic acid | ND | 4.0 | 1.00 | K2511834-002-P | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12283 | 3041762 | 4030469 | Yes | 2805M | N | WA100010 | ALS ENVIRONMENTAL - KELSO | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |