Martha Lake (referred to as “Martha South”) is located just east of Interstate 5 between Lynnwood and Mill Creek. The lake is 61.6 acres in size and has a maximum depth of 48 feet. Martha Lake’s watershed, or the land area that drains to the lake, covers 437.7 acres and is largely developed.
|Health Report Card
|In Depth Health Report
Depth contours of the lake
Depth contours of the lake with satellite images