WSDOT Environmental Services Office
310 Maple Park Avenue SE
PO Box 47331
Olympia, WA 98504
- Project received local, state, and federal approval on April 7, 2005.
- Water Resource Inventory Area 23, Chehalis, Lewis County
- Located adjacent to the North Fork and Middle Fork of the Newaukum River, east of the city of Chehalis
- Site location map