Lake Hills Sewage Treatment Plant

Redmond, King County
Facility Site ID: 2235
Cleanup Site ID: 1276

  • 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 1
Document Title Document Date Document Type
Consent Decree Cleanup Action Plan May 1995 5/23/1995 Consent Decree
Technical Reports 2
Document Title Document Date Document Type
Lake Hills Sewage Treatment Plant - Letter: Notice of Completion for Cleanup Actions and Wetlands Resotration at Marymoor Park South Annex, former Lake Hills Sewage Treatment Facilities 3/10/2015 Site Specific Administrative Document - Other (Administrative Correspondence)
Lake Hills Sewage Treatment Plant Site Hazard Assessment 2/1/1996 Site Hazard Assessment Report
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 7

Contaminant Type
Soil
Groundwater
Surface Water
Air
Sediment
Bedrock
Other Contaminant - Base/Neutral/Acid Organics RB RB RB
Halogenated Organics - Halogenated Organics RB RB RB
Metals - Metals Priority Pollutants RB RB
Metals - Metals - Other RB
Halogenated Organics - Polychlorinated biPhenyls (PCB) RB RB RB
Non-Halogenated Organics - Non-Halogenated Solvents RB RB RB
Metals - Mercury 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.