Lake Sammamish Flooding 2020
Posted by admin on February 22nd, 2020July 14, 2020
Willowmoor Floodplain Restoration Project – Dynamic Weir Analysis
This is a follow-up to a memo Reid Brockway sent to the Executive Committee dated March 8, 2019, concerning a key problem – extreme flooding of Lake Sammamish in peak inflow events – that the Willowmoor-sponsored Preliminary Dynamic Weir Analysis Technical Memorandum (DWA) did not adequately address.
Memo to FCD – DWA addendum critique
May 25, 2020
WSSA Video Review of Lake Sammamish Flooding 2020
This 20-minute video presentation provides background facts and factors surrounding Lake Sammamish’s mismanaged water levels and repeated flooding of shoreline properties.
2020 Flooding Survey
March 8
This is to highlight what I believe to be the most pressing issue concerning the Sammamish River flood control and the Willowmoor project. It is a problem with a solution, achievable with active flow control via a dynamic weir.
Memo to FCD – DWA critique
February 2020
Damage Photos, Letters of Concern,
Citizen Petition, Estimated Damages
2020 Lake Sammamish Flooding Document Download
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