Lake Sammamish Timeline June 2021

Posted by admin on June 15th, 2021



Lake Sammamish Flooding

Posted by admin on April 19th, 2021


April 20, 2021


WSSA critique of KCFCD motion  

KCFCD Exec Com. Motion WSSA Critique 3.18.21


King County Flood Control District Motion

FCD EC MOTION 2021-03 Final – WSSA Mark Up

WSSA Color key 

Red = Cannot Support, Yellow = Neutral, Green = Support


WSSA Testimony

Full Meeting FCD April 7 2021


July 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

Flood Control System Inactivation Report – 2008

Posted by admin on February 14th, 2020

Inspection Report on Authorized Project

Sammamish River, King County, Washington

Flood Control Project July 8 2008


PDF Document