Washington State Department of Ecology

Spokane River Water Information

Contents:

Water Quality
Water Supply and Resources
Shoreline Management
Watershed Planning

Water Quality - Spokane River Basin

Spokane River water quality improvements under way by Richard Koch and Diana Washington, Water Quality Program, Eastern Regional Office January 31, 2012
Spokane River Water Quality Improvement Projects (TMDLs)
- Dissolved Oxygen TMDL information
  - TMDL Status - EPA approval letter received May 21, 2010
  - TMDL report (revised March 2010)
  - FAQ - Solving Spokane River’s Dissolved Oxygen Shortage
- Polychlorinated Biphenyls (PCBs) TMDL information
- Dissolved Metals TMDL information
All Water Quality Improvement Projects for Spokane County
- Hangman Creek Water Cleanup Plan (TMDL)
Spokane River Hydroelectric Project - Final 401 Certification for Relicensing
Water Quality Permits information
Reducing Phosphorus Pollution to Improve Water Quality (Phosphorus Detergent Law)

Water Supply and Water Resources

Spokane Valley-Rathdrum Prairie Publications & Data - Link Idaho Department of Water Resources
Spokane Area Water Right Adjudication - Frequently Asked Questions
Lake Coeur d'Alene Water Budget Development - USGS
Spokane County Conservation District (SCCD)
Spokane County Water Resources Program
Real-time & historical streamflow data in the Spokane River Basin (U.S. Geological Survey)
Focus on: Little Spokane Watershed

Spokane Valley-Rathdrum Prairie Aquifer

Shoreline Management

Watershed Planning

Watershed Plan Lower Spokane River WRIA 54
Watershed Plan Middle/Little Spokane WRIAs 55/57
Watershed Plan Hangman (Latah) Creek WRIA 56

Intermountain Province Subbasin Plan

Northwest Power Planning Council's Subbasin Planning May 2004

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