Pier 66 Sediments

2201 Alaskan Way Seattle, King County
Facility Site ID: 94766722
Cleanup Site ID: 17086

  • Site Status

  • Awaiting Cleanup

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.

Places to see print documents
Legal 1
Document Title Document Date Document Type
Pier 66 Sediments - Early Notice Letter 3/4/2025 Early Notice Letter
Technical Reports 17
Document Title Document Date Document Type
Pier 66 Sediments - SHARP Report 2/6/2025 SHARP Report
Pier 63 Sediment Sampling Data Report 11/2/2023 Remedial Investigation Report
Pier 63 Sediment Sampling Data Report Appendix E1 11/2/2023 Remedial Investigation Report
Pier 63 Sediment Sampling Data Report Appendix E2 11/2/2023 Remedial Investigation Report
Pier 63 Sediment Sampling Data Report Appendix E3 11/2/2023 Remedial Investigation Report
Pier 63 Sediment Sampling Data Report Appendix E4 11/2/2023 Remedial Investigation Report
Pier 63 Sediment Sampling Data Report Appendix E5 11/2/2023 Remedial Investigation Report
Pier 63 Sediment Sampling Data Report Appendix E6 11/2/2023 Remedial Investigation Report
Pier 63 Sediment Sampling Data Report Appendix E7 11/2/2023 Remedial Investigation Report
Pier 63 Sediment Sampling Data Report Appendix E8 11/2/2023 Remedial Investigation Report
Pier 63 Sediment Sampling Data Report Appendix E9 11/2/2023 Remedial Investigation Report
Pier 63 Sediment Sampling Data Report Appendix F 11/2/2023 Remedial Investigation Report
Re: Request for Review 8/17/2004 Site Specific Administrative Document - Other (Administrative Correspondence)
Contingency Plan Sediment Investigation 7/23/2004 Site Specific Technical Document - Other
Fish Mitigation Studies 6/1/2000 Site Specific Technical Document - Other
Port of Seattle Pier 66 - Geotechnical Feasibility Study for the Proposed Uplands Development & Environmental Assessment of the Central Waterfront Project 3/26/1992 Remedial Investigation / Feasibility Study Report
Pier 64/65 Sediment Quality Assessment 11/13/1990 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 6

Contaminant Type
Soil
Groundwater
Surface Water
Air
Sediment
Bedrock
Metals - Metals - Other S
Halogenated Organics - Polychlorinated biPhenyls (PCB) C
Halogenated Organics - Dioxins/Furans C
Non-Halogenated Organics - Polycyclic Aromatic Hydrocarbons C
Metals - Lead S
Metals - Mercury 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.