UPDATE: Ecology's new website will be live on Monday morning! Our official web address will be https://ecology.wa.gov

Office of Columbia River photo identifier

Office of Columbia River

Columbia River Basin Long Term Water Supply and Demand Forecast

Supply-Demand report coverLegislative Report (Ecology Publication 11-12-011)

2011 Columbia River Basin Long-Term Water Supply and Demand Forecast (32MB - 204 pages)

Definitions of terms used in this Forecast

Columbia River Instream Atlas (Ecology Publication 11-12-015)

Instream Atlas report cover Full report (17 MB)

Technical Report (Ecology Publication 12-12-001)

Full report (without appendices)

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