Lake Sammamish Data

FAQ Lake-Sammamish-Facts-Flooding
Current Water Data for Lake Sammamish December 2022

Days over 27 Feet Lake Analysis 2021

1980s-2020 Lake Level Patterns

Monthly Average Lake Level 1965-2018

Rainfall Vs Lk Levels 2012-2021

Understanding Lake Level Measurement

Coming Events

Issaquah Hyla Crossing Project

October 18, 2021

Community Planning and Development Department is hosting a meeting to allow the community an opportunity to understand the proposal with…

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Lake Sammamish Timeline June 2021

June 15, 2021

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Lake Sammamish Flooding

April 19, 2021

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