Chehalis River Basin Flood Authority
The Chehalis River Basin Flood Authority was formed in April of 2008 and consists of officials from jurisdictions in the Basin that are affected by flooding. An interlocal agreement has been adopted by these jurisdictions for the purpose of study, analysis and implementation of flood control projects to protect the Chehalis River Basin
Completed Peer Review Fisheries and Water Retention Study
fisheries study rfp supporting documents
- Fisheries Study RFP
- Chehalis River Water Retention Facilities Potential Study, February 2009
- Geologic Reconnaissance Study, Proposed Chehalis River and South Fork Dam Sites, October 27, 2009
- Reconnaissance-Level Geotechnical Report, Proposed Chehalis River and South Fork Dam Sites, October 28, 2009
- Chehalis River Water Retention Project, Phase IIB Feasibility Studies, Scope of Work and Estimated Budgets, November 13, 2009
- Chehalis River Water Retention Structures Scoping Document and Proposed Studies
Resolution 10-025: OFM Agreement
june 2010 draft flood plan
Power Point for Public Meetings, April 2010
Public Meetings on Draft Flood Plan: Monday April 5 at Swede Hall, Rochester; Tuesday April 6 at Montesano City Hall; Wednesday April 7 at the Veterans Museum, Chehalis. All meeting times are from 6 - 8 P.M.
Chehalis Basin Flood Resources
Summary of Flood Authority Public Meetings
Meeting information
August 19 - Special Meeting 9:00 a.m. Veterans Memorial Museum; Business Meeting: 1:30 p.m. Lewis County Courthouse
July 15, 2010 - Work Session: 9:00 a.m. Veterans Memorial Museum; Business Meeting: 1:30 Lewis County Courthouse
- Summary of June 24 Workshop
- Memo from ESA Adolfson re: Purpose of Flood Districts
- Formation Approach and Schedule
- Power Point of Meeting
June 17, 2010 - Business Meeting only: 1:30 Lewis County Courthouse
- Ongoing Efforts
- Memo from ESA Adolfson re: Approval of Flood Hazard Management Plan
- Draft Flood Plan Letter to Jurisdictions
- ESA Contract Amendment
Joint Meeting with Chehalis River Basin Partnership and Flood Authority: Tuesday, May 25 9:00 at the Veterans Museum
May 20, 2010: Work Session at Veterans Memorial Museum at 9:00; Business Meeting at 1:30 Commissioners' Hearing Room, Lewis County Courthouse
- Budget Memo
- Peer Review and Fisheries Memo
- District Formation Scope
- Early Warning Scope
- ESA Draft Scope and Budget Cover Memo
- ESA Adolfson Draft Scope of Work
- Ongoing Efforts
- Flood Plan Memo
- May Draft Flood Plan
- Budget Memo
- Peer Review and Fisheries Memo
- District Formation Scope
- Early Warning Scope
- ESA Draft Scope and Budget Cover Memo
- ESA Adolfson Draft Scope of Work
- Joint Work Session Agenda for May 25
April 15, 2010 - NO WORK SESSION; Business Meeting at 1:30 PM Commissioners' Hearing Room, Lewis County Courthouse
- Resolution 10-025 Office of Financial Management Amendment
- Audio from meeting
- Audio from meeting on 4/16/2010
March 18, 2010: Work Session 9 AM at Veterans Memorial Museum; Business Meeting 1:30 PM Commissioners' Hearing Room, Lewis County Courthouse
- Memo from ESA Adolfson re: Chehalis Memo
- Memo from City of Chehalis re: Flood Reduction Project
- Memo re: Public Meetings
- Letter from TransAlta
- Ongoing Efforts
- Appendix A
- Appendix B
- Chehalis Flood Warning Conceptual Design
- Memo re: Public Meetings
- Memo from ESA Adolfson re: Chehalis Memo
- Memo from City of Chehalis re: Flood Reduction Project
February 18, 2010: Work Session 9AM at WSU Extension Conference Room, Lewis County Courthouse Basement; Business Meeting 1:30 P.M. Commissioners' Hearing Room
- Ongoing Efforts - Ripe and Ready Projects
- Public Update
- Flood Plan
- Decision Support Tool
- Coordinated Study RFP
- Flood District RFQ (Request for Qualifications)
- Meeting Notes from December 17, 2009
January 21, 2010: Work Session 9AM; Business Meeting 1:30 P.M. NOTE: Work Session to be held in the WSU Extension Conference Room, Courthouse Basement
- Ripe and Ready Studies Report
- Coordinated Study
- Upstream Storage Analysis Phase 2B
- OFM Budget Amendment
- Memo re: Flood Districts
December 17, 2009: Work Session 9AM; Business Meeting 1:30 PM
- Agenda - Work Session
- Agenda - Business Meeting
- 1. Ripe and Ready Studies Report
- 2. Proposed ESA Adolfson Contract Amendment
- 3.Memo from City of Chehalis
- 4.Coordinated Study
- 5.Upstream Storage Analysis Phase 2B
- 6.Officer Elections
November 19, 2009: Work Session 9 AM; Business Meeting 1:30 PM
- Agenda - Work Session
1. Funding Options Draft Chapter
2. General Investigation Budget Amendment - Agenda - Business Meeting
1. Shannon and Wilson Geologic Report (Large File: 8 MB)
2. Shannon and Wilson Geotechnical Report (Large File: 4 MB)
3. Ripe and Ready Studies Report
4. Supplemental Budget Request
5. General Investigation Budget Amendment
6. Upstream Storage Feasibility Analysis - Water Retention Structures Scoping Document and Proposed Studies - Draft
- Water Retention Project Phase IIB Feasibility Studies, Scope of Work and Estimated Budgets - Draft
October 15, 2009 - Business Meeting Only. There will be no work session this month
- Agenda
- Ripe and Ready Studies and Projects Update
- Early Flood Warning Work Plan
- Memo re: Supplemental Budget Request
September 17, 2009
August 20, 2009 - Business meeting only. There will be no work session this month.
- Agenda
- Memo from ESA Adolfson re: August 20 Agenda
- General Investigation Reconnaissance Study
- Letter from Congressman Baird to Colonel Wright
- Ripe and Ready Update
- Flood Authority Brochure
- Memo from ESA Adolfson re: July Work Session
July 16, 2009
- Agenda - Business Meeting
1. Ripe and Ready Studies and Projects Update
2. Memo from Lee Napier and Bruce Mackey re: Respective Roles and Cooperation
3. Roles and Responsibilities of Flood Authority and the Chehalis Basin Partnership
4. Cooperation between the Flood Authority and the Chehalis Basin Partnership
5. Expenditure Review
6. Roles Diagram, Final
June 18, 2009
- Agenda - Work Session
1. Summary of Conversations with Authority Members
2. RFQ: Early Warning System
3. Chapter 1
4. Chapter 8
5. Chapter 9
- Agenda - Business Meeting
1. Twin Cities Coordination Team Information June 2009
2. Memo re: Ecosystem Services Analysis
3. Personal Services Agreement: Earth Economics
4. ESA Adolfson Proposed Contract Amendment
5. Memo re: RFQ for Early Warning System
6. RFQ: Early Warning System
7. Ripe and Ready Update
8. Memo re: Consideration of Regulatory Programs
9. Expenditure Review
May 21, 2009
- Lewis County Flood Disaster Strategy Report
- Memo: Recommended Actions and Programs for Draft Plan
- Memo: Land Use Regulatory Programs
- Chapter 6: Flood Problem Areas
- ESA Adolfson Proposed Contract Amendment
- Ripe and Ready Studies Update
- Ecosystem Services Interlocal Agreement
- Expenditure Review
- Officer Elections
- Twin Cities Project Public Information Event
- Flood Authority Work Plan July 2009 - December 2010
- OFM Interlocal Agreement Amendment
- ESA Adolphson Proposed Contract Amendment
Formation and Funding
- Letter to Congressman Baird
- OFM Letter: Formation of the Chehalis Basin Flood Authority and a request for funding under the 2008 Budget and House Bills 3374 and 3375
- Interlocal Agreement
- Rules of Procedure
Chehalis River Basin Flood Authority Coordinator RFQ
The voting members of the Flood Authority have chosen ESA Adolfson as Consultant and Facilitator of the Chehalis River Basin Flood Authority project. ESA Adolfson will begin working with the Flood Authority on the Scope of work and contract language.
Submittal of Qualifications for ESA Adolfson
Approved 2010 Meeting Notes (Dates not hyperlinked are awaiting approval by the Flood Authority
| Jan 21 | Feb 18 | Mar 18 | Apr 15/16 |
| May 20 | Jun 17 | Jul 15 | Aug 19 |
| Sep 16 | Oct 21 | Nov 18 | Dec 16 |
Approved 2009 Meeting Notes (Dates not hyperlinked are awaiting approval by the Flood Authority
| Jan 15 | Feb 19 | Mar 19 | Apr 16 |
| May 21 | Jun 18 | Jul 16 | Aug 20 |
| Sep 17 | Oct 15 | Nov 19 | Dec 17 |