Chelan PUD Worthen Substation
Facility Site ID:
44830
Cleanup Site ID:
14795
The Site currently operates as an electrical substation facility, and has used of petroleum products in the past, as shown on historical Sanborn maps. In April 2018, a release of petroleum to soils and groundwater was identified during drilling of a monitoring well located on the east side of Worthen Street. The monitoring well was installed as part of a Remedial Investigation (RI) being conducted at the Coleman Oil Biodiesel Spill site.
A photograph was taken showing soil saturated with petroleum. Laboratory analysis of soil and groundwater samples reported gasoline range organics (GRO), diesel range organics (DRO), heavy oil range organics (HRO), and benzene above Model Toxics Cleanup Act (MTCA) cleanup levels.
A photograph was taken showing soil saturated with petroleum. Laboratory analysis of soil and groundwater samples reported gasoline range organics (GRO), diesel range organics (DRO), heavy oil range organics (HRO), and benzene above Model Toxics Cleanup Act (MTCA) cleanup levels.
Documents 11
Legal 5
| Document Title | Document Date | Document Type |
| Chelan PUD Worthen Agreed Order | 8/2/2024 | Agreed Order |
| Chelan PUD Worthen Substation - Final PLP Letter | 10/18/2023 | Final Potentially Liable Person Status Letter |
| Chelan PUD Worthen Substation - Final PLP Letter | 4/19/2019 | Final Potentially Liable Person Status Letter |
| Chelan PUD Worthen Substation - 30-Day Notice of Potential Liability | 3/15/2019 | Final Potentially Liable Person Status Letter |
| Chelan PUD Worthen Substation - Combined ENL and 30-day Notice of Potential Liability | 10/26/2018 | Early Notice Letter |
Public Information 2
| Document Title | Document Date | Document Type |
| Chelan PUD Worthen Substation - Agreed Order Fact Sheet - Spanish | 7/1/2024 | Fact Sheet\Public Notices |
| Chelan PUD Worthen Substation - Agreed Order Fact Sheet - English | 7/1/2024 | Fact Sheet\Public Notices |
Technical Reports 4
| Document Title | Document Date | Document Type |
| Chelan PUD Worthen Substation - Invitation to enter into Agreed Order for RI/FS | 2/5/2024 | Site Specific Administrative Document - other (Administrative correspondence) |
| Chelan PUD Worthen Substation - Ecology Update Letter | 10/18/2023 | Site Specific Administrative Document - other (Administrative correspondence) |
| Investigation Work Plan | 6/13/2023 | Remedial Investigation Work Plan |
| Chelan PUD Worthen Substation - Data Package | 11/1/2018 | Site Specific Technical Document - other |
There may be more documents related to this site. To obtain documents not available electronically, you will need to make a public records request.
Places to see print documents
-
Central Regional Office1250 W Alder StUnion Gap, 98903-0009Please schedule an appointment to view print documents at this location.
Contaminants 4
| Contaminant Type | Soil |
Groundwater |
Surface Water |
Air |
Sediment |
Bedrock |
|---|---|---|---|---|---|---|
| Non-Halogenated Organics - Benzene | C | C | ||||
| Non-Halogenated Organics - Petroleum-Diesel | C | C | ||||
| Non-Halogenated Organics - Petroleum-Gasoline | C | C | ||||
| Non-Halogenated Organics - Petroleum-Other | C | C |
- S
- Suspected
- C
- Confirmed Above Cleanup Levels
- B
- Below Cleanup Levels
- RA
- Remediated-Above
- RB
- Remediated-Below
- R
- Remediated
This contaminant list was based on our best information at the time it was entered. It may not reflect current conditions at the site.