Spokane River Watersheds

During the development and implementation of the watershed plan technical studies and implementation projects have been conducted.  Projects are selected by the watershed implementation team and conducted by individual member agencies or groups.  The following are the reports from the studies and projects.

Watershed Planning Phase II Reports

• WRIA 54 Phase II, Level I Data Compilation and Technical Assessment
• WRIA 54 Multipurpose Storage Assessment
• WRIA 54 Water Quality Assessment
• Nine Mile Area Non-Point Source Monitoring Study QAPP
• Paleochannel Water Quality Monitoring Study QAPP

Instream Flow Reports

• WRIA 54 & 57 Instream Flow Study
• WRIA 54 & 57 Instream Flow Recommendation Work Group Memorandum
• Bi-State Model Scenario-Full Inchoate Water Rights Withdrawal Impact on Spokane River Flows
• Bi-State Model Scenario-Comparison of ID & WA Growth on Spokane River Flows

West Plains Hydrogeology

• West Plains Groundwater Elevation Monitoring & Mapping
• West Plains Groundwater Recharge Assessment
• Deep Creek & Coulee Creek Groundwater- Surface Water Interaction
• WRIA 54 & 56 Ground Water Age Dating & Stable Isotopes
• WRIA 54 & 56 Hydrogeologic Characterization & Monitoring Well Drilling
• West Plains Geophysical Orientation Survey
• Subsurface Projection of the Columbia River Basalt Group & Paleodrainage Study
• Delimiting Geologic Structures Affecting Water Movement of the CRBG West Plains Aquifer
• West Plains Delineation of Aquifer Zones within Basalt Formations
• West Plains Surficial Geology Mapping
• West Plains Hydrogeologic Database

Lake Spokane Water Quality

• Lake Spokane Water Quality Project Phase I
• Lake Spokane Water Quality Project Phase II
• Lake Spokane Continuing Watershed Education

Deep & Coulee Creek Watershed Restoration

• Phase I Report
• Phase II Report
• Phase III Report