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Cedar Hills Regional Landfill, 2010 Site Development Plan
The Final Environmental Impact Statement (Final EIS) for the Cedar Hills Regional Landfill, 2010 Site Development Plan was issued on July 27, 2010.
Background
The King County Solid Waste Division (division) is exploring ways to extend the useful life of the Cedar Hills Regional Landfill by developing more disposal capacity at the site. The division evaluated five action alternatives that would provide additional landfill capacity, as well as a No Action Alternative. The division has recommended a preferred alternative in the Final EIS that maximizes the available space at the landfill with no significant adverse impacts on the environment.
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Environmental review process
The division, as lead agency on the project, has completed environmental review under the State Environmental Policy Act (SEPA) (external), which requires that state and local agencies consider the likely environmental consequences of a project before taking action.
Steps completed in the environmental review process include:
- SEPA determination: The division determined that one or more of the alternatives under consideration could potentially have significant adverse impacts on the environment and issued a Determination of Significance (PDF, 192 K). This determination meant that an Environmental Impact Statement, or EIS, would need to be prepared. The purpose of an EIS is to provide an impartial evaluation of potential significant environmental impacts, identify reasonable alternatives, and propose mitigation measures that would avoid or minimize adverse impacts.
- Scoping process: A scoping process, which provided an opportunity for the public and other agencies to comment to the division on the issues to be evaluated in the EIS, took place between March 30 and May 1, 2009. Both the natural environment (earth, air, water, plants and animals, energy and natural resources, etc.) and the built environment (environmental health, land use, transportation, public services and utilities, etc.) were evaluated. During the scoping process, the division held a public scoping meeting on April 20, 2009 to receive written and oral comments.
- Draft EIS: In accordance with the State Environmental Policy Act (SEPA), under RCW 43.21C.030(2)(c), a Draft EIS was prepared that analyzes the potential significant adverse impacts of each alternative and mitigating measures to avoid or minimize impacts. The public comment period on the Draft EIS ran from Sept. 30–Nov. 6, 2009.
- Public Hearing: On Oct. 22, 2009, the division held a public hearing at the Greater Maple Valley Community Center, to receive comments on the Draft EIS. At the hearing, there was also a presentation about the project and an opportunity for participants to ask questions. At least twenty-two people from the community attended the hearing.
- Final EIS: The division prepared a Final EIS that includes responses to comments received on the Draft EIS and identifies a recommended preferred alternative. The Final EIS was made available for review at the following locations:
- King County Solid Waste Division office: 201 S. Jackson St., Suite 701, Seattle, and the division’s Web site
- Five public libraries:
- King County Library – Issaquah
10 W. Sunset Way,
Issaquah
- King County Library – Fairwood
17009 140th Avenue SE,
Renton
- King County Library – Maple Valley
21844 SE 248th Street,
Maple Valley
- Renton Public Library – Main Branch
100 Mill Avenue South,
Renton
- Renton Public Library – Highland Branch
2902 NE 12th Street,
Renton
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Public involvement & project schedule
Public involvement
There were several opportunities for public comment and involvement on this project (see below).
Project schedule
Date |
Action/Event |
March 30, 2009 |
King County Solid Waste Division Director issued a SEPA Determination of Significance (PDF, 192 K), the first step in the environmental review process. |
March 30 – May 1, 2009 |
Scoping process public comment period - an opportunity for the public and other agencies to comment to the division on the issues to be evaluated in the EIS. |
April 20, 2009 |
A public scoping meeting was held at the Greater Maple Valley Community Center. In response to comments received during the scoping process, the Solid Waste Division conducted additional studies. |
Sept. 30, 2009 |
The Draft EIS became available for review and public comment. |
Oct. 22, 2009 |
A public hearing was held at the Greater Maple Valley Community Center to receive public comments on the Draft EIS. |
Sept. 30 – Nov. 6, 2009 |
Draft EIS public comment period. |
July 27, 2010 |
Final EIS issued that includes responses to comments received on the Draft EIS and identification of a recommended preferred alternative. |
Dec. 6, 2010 |
King County Council unanimously approved the Project Program Plan – Cedar Hills Regional Landfill 2010 Site Development Plan, which recommended Alternative 2 as the preferred alternative for development of the landfill. Review the Project Program Plan (PDF, 1.4 MB).
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Contacts
Laura Belt
Project Manager
King County Solid Waste Division
Telephone: 206-296-8485, TTY Relay: 711
Fax: 206-296-8431
Cedar Hills Regional Landfill
For questions or comments about the operation of the landfill, call 206-296-4490, TTY Relay: 711. This phone line is answered 24 hours a day, 7 days a week.
Documents
Cedar Hills Project Program Plan (PDF, 1.4 MB)
Final EIS
(Note: some of the following PDF files are very large file and may take several minutes to download, depending on connection speed)
Final EIS Notice of Issuance (PDF, 344 K)
Final EIS cover letter, fact sheet, table of contents, abbreviations, glossary and summary (PDF, 2.5 MB)
Final EIS, Chapter 1: Introduction and Background (PDF, 6.9 MB)
Final EIS, Chapter 2: Alternatives (PDF, 2.3 MB)
Final EIS, Chapter 3: Earth (PDF, 697 K)
Final EIS, Chapter 4: Air and Odor (PDF, 4.1 MB)
Final EIS, Chapter 5: Surface Water (PDF, 3.8 MB)
Final EIS, Chapter 6: Groundwater (PDF, 5 MB)
Final EIS, Chapter 7: Upland Vegetation, Wetlands, and Wildlife (PDF, 5.6 MB)
Final EIS, Chapter 8: Noise and Vibration (PDF, 1.9 MB)
Final EIS, Chapter 9: Human Health (PDF, 689 K)
Final EIS, Chapter 10: Land Use (PDF, 5.5 MB)
Final EIS, Chapter 11: Scenic Resources – Aesthetics, Light, and Glare (PDF, 2.8 MB)
Final EIS, Chapter 12: Cultural Resources (PDF, 1.2 MB)
Final EIS, Chapter 13: Transportation (PDF, 1 MB)
Final EIS, Chapter 14: Public Services and Utilities (PDF, 674 K)
Final EIS, Chapter 15: Greenhouse Gases (PDF, 700 K)
Final EIS, Chapter 16: References (PDF, 683 K)
Final EIS, Responsiveness Summary (PDF, 2.4 MB)
Final EIS, Appendix A: Special Permit and Related Documents (PDF, 1.8 MB)
Final EIS, Appendix B: Municipal Solid Waste Handling Permit (PDF, 1.5 MB)
Final EIS, Appendix C: Distribution List for Final EIS (PDF, 159 K)
Final EIS, Appendix D: Threatened and Endangered Species Documentation (PDF, 90 K)
Final EIS, Appendix E: Supplemental Technical Memoranda (PDF, 1.6 MB)
Final EIS, Appendix F: Complaint Response Plan (PDF, 268 K)
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