The Watershed Alliance of Marin is a 501c3 nonprofit network of organizations who share a common goal of preserving the watersheds in Marin County, California.
History
They have fought to maintain coho salmon populations in Lagunitas and Redwood Creeks. In 2014, they reported that coho had not returned to spawn at Redwood Creek.
References
Watershed Alliance of Marin Wikipedia(Text) CC BY-SA