Chehalis Power LP Generation Facility

Chehalis, Lewis County
Facility Site ID: 3336951
Cleanup Site ID: 11776

  • Site Status

  • Cleanup Started

More about cleanup

This site has confirmed or suspected contamination that could potentially harm people and the environment. It is in the state cleanup process under the Model Toxics Control Act.

See the Site Details report at left or the documents below to learn more about this site.

Ecology works to clean up contaminated properties throughout the state. Cleanups are construction projects that remove, treat, or contain potentially harmful substances.

Voluntary Cleanup Program

This site is in our Voluntary Cleanup Program, which provides technical help to owners of contaminated sites.

Voluntary Cleanup Program customers pay fees to cover our costs for technical help and reviewing cleanup reports. Sites in this program must meet the same cleanup standards as sites Ecology manages under legal orders.

Places to see print documents
Technical Reports 8
Document Title Document Date Document Type
Chehalis Power LP - SW1246 - GROUNDWATER MONITORING REPORT - FEBRUARY 2025 5/6/2025 Monitoring Report
Chehalis Power LP - SW1246 - Groundwater Monitoring Culvert Decommissioning Report 4/24/2025 Site Specific Technical Document - Other
Chehalis Power LP - SW1246 - SHARP 3/28/2025 Site Hazard Assessment and Ranking Process Report
Chehalis Power LP - SW1246 - ADDITIONAL SITE CHARACTERIZATION REPORT 8/16/2024 Remedial Investigation Report
Chehalis Power LP - SW1246 - Additional Site Characterization Work Plan 3/8/2023 Remedial Investigation Work Plan
Chehalis Power LP - SW1246 - CLEANUP ACTION REPORT GSU#1 and GSU#3 OIL SPILLS 7/6/2016 Interim Action Plans and Reports
Chehalis Power LP - SW1246 - CLEANUP ACTION REPORT GSU#1 8/10/2012 Interim Action Plans and Reports
Chehalis Power LP - SW1246 - Terrestrial Ecological Evaluation 8/10/2012 Terrestrial Ecological Evaluation
Voluntary Cleanup Program 11
Document Title Document Date Document Type
Chehalis Power LP Generation Facility Technical assistance 8/6/2025 VCP Technical Assistance
Chehalis Power LP Generation Facility No Further Action Likely 12/4/2024 VCP Opinion on Property Cleanup – Other
Chehalis Power LP - SW1246 - FA Opinion 11/30/2023 VCP Opinion on Site Cleanup – Other
Chehalis Power LP - SW1246 - Request for Opinion Form 4/4/2023 VCP Administrative Document
Chehalis Power LP - SW1246 - VCP Request for Opinion Form 4/4/2023 VCP Administrative Document
Chehalis Power LP - SW1246 - VCP Change of Contact Form 12/28/2022 VCP Administrative Document
Chehalis Power LP - SW1246 - VCP Change of Contact Form 12/28/2022 VCP Administrative Document
Chehalis Power LP - SW1246 - RE: VCP Status Request Response 12/28/2022 VCP Administrative Document
Chehalis Power LP - SW1246 - VCP Project Status Request 12/5/2022 VCP Administrative Document
Chehalis Power LP - SW1246 - FA Opinion 6/26/2017 VCP Opinion on Site Cleanup – Other
Chehalis Power LP - SW1246 - FA Opinion 11/20/2012 VCP Opinion on Site Cleanup – 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

  • Southwest Regional Office
    300 Desmond Dr SE
    Lacey, 98503-1274
    Please schedule an appointment to view print documents at this location.

Contaminants 2

Contaminant Type
Soil
Groundwater
Surface Water
Air
Sediment
Bedrock
Non-Halogenated Organics - Petroleum-Other RA RB RB
Halogenated Organics - Per- and polyfluoroalkyl substances (PFAS) S 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.