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Upper Beaver Creek · Twisp, Washington

Upper Beaver Creek — A Resident Beaver Family as the Heart of Watershed Restoration

Upper Beaver Creek is a long-term, reach-scale restoration project on a tributary of the Twisp River in the Methow Valley. Federally designated Critical Habitat under the Endangered Species Act for Spring Chinook salmon (endangered), Summer Steelhead (threatened), and Bull Trout (threatened) They represent the collapse of a food web, a fishery, and a cultural relationship that Indigenous peoples of this region have maintained for thousands of years. At the center of the restoration design is a resident beaver family whose engineering work, dams, ponds, overflow channels, and lodge complexes — represents the most sophisticated and cost-effective aquifer recharge infrastructure available.

Working with the landowner the projects goal is passive Managed Aquifer Recharge through low-tech, process-based restoration. The most ecologically sound and cost-effective approach available for incised stream systems. The stream has cut 2 to 20 feet below her former floodplain, severing the lateral connections that once spread water across the valley bottom and recharged the regional aquifer. The beaver family is doing the hard work of rebuilding those connections from within. Water Weaver Earthworks' role is to read, protect, and amplify what they are already building. Providing the design framework, the partnership infrastructure, and the long-term monitoring that allows their work to persist.