File #: 21-0549    Version: 1
Type: information Status: Filed
File created: 5/24/2021 In control: Utility Advisory Committee
Agenda date: 6/3/2021 Final action: 6/3/2021
Title: Sea Level Rise Response Planning Update
Attachments: 1. Staff Presentation Sea Level Rise Response Update.pdf, 2. Interlocal Agreement and Bylaws.pdf, 3. Olympia Sea Level Rise Plan (2019), 4. City of Olympia’s Response to the Challenge of Global Climate Change (1991), 5. Chapter 8 Cost Adaptation of the Plan, 6. City of Olympia Preliminary Assessment of Sea Level Rise in Olympia, WA (1993), 7. City of Olympia’s Response to the Challenge of Climate Change (2007), 8. City of Olympia’s Engineered Response to Sea Level Rise (2011)
Related files: 20-0901, 19-0001
Title
Sea Level Rise Response Planning Update

Recommended Action
Committee Recommendation:
Briefing only

Report
Issue:
Brief the Utility Advisory Committee on sea level rise response planning efforts.

Staff Contact:
Eric Christensen, Water Resources Director, Public Works Department, 360.570.3741

Presenter:
Eric Christensen

Background and Analysis:
Downtown Olympia has always been vulnerable to flooding. The confluence of high water levels in Capitol Lake and high tides in Budd Inlet can cause water to overtop the shoreline and spill into downtown streets and low-lying areas. Even with minimal amounts of sea level rise, the risk to our downtown's built environment and its many community services increases quickly and substantially. Downtown flooding is anticipated to become more frequent and severe in the future.

The City's awareness of and work related to climate change and sea level rise dates back to the early 1990s. Olympia was one of the first cities in the nation to begin planning for climate change. A number of studies have been completed since the early 1990s:
- City of Olympia's Response to the Challenge of Global Climate Change (1991)
- City of Olympia Preliminary Assessment of Sea Level Rise in Olympia, WA (1993)
- City of Olympia's Response to the Challenge of Climate Change (2007)
- City of Olympia's Engineered Response to Sea Level Rise (2011)
? Olympia Sea Level Rise Response Plan (2019)

In early 2017, the City, the Port and LOTT entered into an Interlocal Agreement (ILA) to jointly fund and participate in a formal sea level rise planning process for downtown Olympia, the Budd Inlet Treatment Plant and the Port peninsula. The Olympia Sea Level Rise Response Plan (Plan) resulted from the collaboration.

In February 2020, the Partners entered into a second ILA that established a Joint Administrative Committee comprised of elected officials tasked with developing a governance structure to implement the Plan. The Joint Administrative ...

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