| 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 PORTLAND WATER B. | SW | Permanent (Purchased) |
Not required | ||||||
| EP-C | EP FOR CASCADE WELLS | GW | Permanent | 4 quarters | 1/1/2023 | 3/18/2026 | ||||
| For each active entry point, collect 4 consecutive quarters of samples within a 12-month period with samples collected 2 to 4 months apart. Entry points served by purchased water do not have to be monitored for PFAS. Finished drinking water that is provided through a system interconnection is only required to be monitored for by the seller or wholesaler. |
||||||||||
| For compliance? | EP ID | Entry point name | Sample date | # Detections | # MCL exceedances |
Sample ID |
|---|---|---|---|---|---|---|
| Yes | EP-C | EP FOR CASCADE WELLS | 03/18/2026 | 0 | 0 | 170-4133-1 |
| 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-C | EP FOR CASCADE WELLS | 03/18/2026 | 04/06/2026 | 2816 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10 | 2.00 | 170-4133-1 | 4034 | EUROFINS EATON ANALYTICAL | EPA 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 23688 | 3076821 | 4088715 | Yes | 2816M | N | 4034 | EUROFINS EATON ANALYTICAL | EPA 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-C | EP FOR CASCADE WELLS | 03/18/2026 | 04/06/2026 | 2801 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 170-4133-1 | 4034 | EUROFINS EATON ANALYTICAL | EPA 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 23688 | 3076821 | 4088720 | Yes | 2801M | N | 4034 | EUROFINS EATON ANALYTICAL | EPA 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-C | EP FOR CASCADE WELLS | 03/18/2026 | 04/06/2026 | 2803 | PFHxS | Perfluorohexanesulfonic acid | ND | 10 | 2.00 | 170-4133-1 | 4034 | EUROFINS EATON ANALYTICAL | EPA 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 23688 | 3076821 | 4088719 | Yes | 2803M | N | 4034 | EUROFINS EATON ANALYTICAL | EPA 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-C | EP FOR CASCADE WELLS | 03/18/2026 | 04/06/2026 | 2804 | PFNA | Perfluorononanoic acid | ND | 10 | 2.00 | 170-4133-1 | 4034 | EUROFINS EATON ANALYTICAL | EPA 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 23688 | 3076821 | 4088718 | Yes | 2804M | N | 4034 | EUROFINS EATON ANALYTICAL | EPA 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-C | EP FOR CASCADE WELLS | 03/18/2026 | 04/06/2026 | 2806 | PFOA | Perfluorooctanoic acid | ND | 4.0 | 2.00 | 170-4133-1 | 4034 | EUROFINS EATON ANALYTICAL | EPA 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 23688 | 3076821 | 4088716 | Yes | 2806M | N | 4034 | EUROFINS EATON ANALYTICAL | EPA 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-C | EP FOR CASCADE WELLS | 03/18/2026 | 04/06/2026 | 2805 | PFOS | Perfluorooctanesulfonic acid | ND | 4.0 | 2.00 | 170-4133-1 | 4034 | EUROFINS EATON ANALYTICAL | EPA 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 23688 | 3076821 | 4088717 | Yes | 2805M | N | 4034 | EUROFINS EATON ANALYTICAL | EPA 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |