Methow Watershed Plan
The Council was originally formed to prepare a plan for managing the Methow Valley's water. That plan was completed and adopted by Okanogan County in 2005.
The FINAL DETAILED IMPLEMENTATION PLAN: Methow River Basin (WRIA 48) was approved in 2009.
Figure 2: Long Term Streamflow at Pateros
Figure 3: Groundwater Flow Path Schematic
Figure 4a: Methow Basin Aquifer Recharge Areas
Figure 4b: Methow Basin Aquifer Recharge Areas
Figure 5a: Methow Basin Land Cover
Planning and Reference Documents
CH2M-Hill. Analysis of Hydro-geologic Data Related to Water Supply and Land Disposal of Domestic Effluent, Early Winters Valley near Mazama, WA . 1976.
Ely, Matthew and Risley, J.C. Use of a Precipitation-Runoff Model to Simulate Natural Stream flow Conditions in the Methow River Basin, Washington . USGS Water Resources Investigations Report 01-4198. 2001.
Golder Associates, Inc. Groundwater Flow Modeling of the Upper Methow Valley. January, 1991.
Golder Associates, Inc. Report to Economic and Engineering Services Inc. on Water Budget for the Methow Basin. Methow Basin Planning Unit. August, 1993.
Kauffman, K.G. and J.R. Bucknell. Water Resources Management Program Report of the Methow River Basin. WA DOE River Basin Program Series, No. 4. December, 1976.
Konrad, C.P., B.W. Drost, and R.J. Wagner. Hydrogeology of the Unconsolidated Sediments, Water Quality, and Ground-water/Surface-water Exchanges in the Methow River Basin, Okanogan Co, WA. USGS Water Resources Investigations Report 01-4198. 2003.
Peterson, James and R. Jackson. Methow River Basin Single Domestic Instantaneous Water Use Estimate. WA DOE. October, 1990.
Walters, Kenneth L. and Nassar, E.G. Water in the Methow Basin. Water Supply Bulletin 38, WA DOE. 1974.