Seattle City Light Newhalem Penstock

S Of Hwy 20 Skagit River & Newhalem Newhalem, Whatcom County
Facility Site ID: 10891
Cleanup Site ID: 12673

  • Site Status

  • No Further Action

More about cleanup

This site has been cleaned up and complies with the standards in the state’s environmental cleanup law, 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.

Places to see print documents
Legal 2
Document Title Document Date Document Type
Seattle City Light Newhalem Penstock - Concurrence with Federal No Action Determination 3/5/2025 NFA Opinion not under Ecology VCP or PLIA TAP
Seattle City Light Newhalem Penstock - Early Notice Letter 7/10/2015 Early Notice Letter
Technical Reports 7
Document Title Document Date Document Type
Seattle City Light Newhalem Penstock - National Park Service Recommendation to Select No Action Alternative for NTCRA 9/25/2023 Site Specific Administrative Document - Other (Administrative Correspondence)
Seattle City Light Newhalem Penstock - Engineering Evaluation / Cost Analysis (EECA) 7/17/2023 Site Specific Technical Document - Other
Seattle City Light Newhalem Penstock - National Park Service Letter: Identification of State Applicable or Relevant and Appropriate Requirements for the Engineering Evaluation/Cost Analysis 6/11/2021 Site Specific Administrative Document - Other (Administrative Correspondence)
Seattle City Light Newhalem Penstock - National Park Service Letter: Notification of Natural Resource Trustees 6/4/2021 Site Specific Administrative Document - Other (Administrative Correspondence)
Seattle City Light Newhalem Penstock - Environmental Report Tracking System (ERTS) 654375 5/19/2015 Site Specific Technical Document - Other
Seattle City Light Newhalem Penstock - Initial Investigation Field Report 4/20/2015 State Initial Investigation Report
Seattle City Light Newhalem Penstock - Soil Sampling / XRF Survey 9/22/2014 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

  • Northwest Regional Office
    15700 Dayton Ave N
    Shoreline, 98133
    Please schedule an appointment to view print documents at this location.

Contaminants 3

Contaminant Type
Soil
Groundwater
Surface Water
Air
Sediment
Bedrock
Non-Halogenated Organics - Polycyclic Aromatic Hydrocarbons RB
Metals - Arsenic RB
Metals - Lead RB
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.