Office of Columbia River photo identifier

Office of Columbia River

Reports to the Legislature

The legislature directs the Office of Columbia River to submit:

  • Annual water supply inventory reports
  • Quinquennial (every five years) water demand forecast reports
  • Interim and final reports on voluntary regional agreements
  • A report evaluating options for aggregating projects to achieve the one-third instream and two-third out-of-stream balance for storage projects required under law.

Download OCR Reports to the Legislature

Annual Water Supply Inventory Reports
2006 Combined Water Supply Inventory and Water Demand Forecast Report

Full Report

2007 Water Supply Inventory Report

Full Report

2008 Water Supply Inventory Report
Summary Report
Expanded Report
List of Projects: (Excel) (PDF))
2009 Water Supply Inventory Report
Summary Report
Expanded Report
List of Projects: (Excel) (PDF)
2010 Water Supply Inventory Report
Full Report
2011 Water Supply Inventory Report
Report
Supply Inventory Spreadsheet (Excel)
2014 Water Supply Inventory Report
Report and Supply Inventory Spreadsheet
2015 Water Supply Inventory Report
Report and Supply Inventory Spreadsheet

Quinquennial (every five years) Water Demand Forecast Reports

2006 Combined Water Supply Inventory and Water Demand Forecast Report

Full Report

2011 Water Demand Forecast Report

Web Version
Download Report
2016 Columbia River Basin Long-Term Water Supply and Demand Forecast

Full Report
Columbia River Instream Atlas
Interactive Online Instream Atlas
   

Voluntary Regional Agreement Reports

Voluntary Regional Agreements: Interim Report to the Legislature (2008)

Full Report

Voluntary Regional Agreements: Final Report to the Legislature

Full Report

Other

Yakima River Basin Integrated Water Resource Management Plan Cost Estimate and Financing Plan Legislative Report

Full Report

cover of report 

Unit Costs for Proposed
Keechelus-to-Kachess Conveyance and Kachess Drought Relief Pumping Plant
Full Report

Yakima River Basin Integrated Water Resource Management Plan - Implementation Status Report

Full Report

 

 

 

LEGISLATIVE DIRECTIVES

RCW 90.90.040
Columbia river water supply inventory — Long-term water supply and demand forecast.
(1)...the department of ecology shall ... develop a Columbia river water supply inventory and a long-term water supply and demand forecast. The inventory must include:
(a) A list of conservation projects that have been implemented under this chapter and the amount of water conservation they have achieved; and
(b) A list of potential water supply and storage projects in the Columbia river basin, including estimates of:
(i) Cost per acre-foot;
(ii) Benefit to fish and other instream needs;
(iii) Benefit to out-of-stream needs; and
(iv) Environmental and cultural impacts.
(2) The department of ecology shall complete the first Columbia river water supply inventory by November 15, 2006, and shall update the inventory annually thereafter.
(3) The department of ecology shall complete the first Columbia river long-term water supply and demand forecast by November 15, 2006, and shall update the report every five years thereafter.

RCW 90.90.030(9)
(9) The department of ecology shall monitor and evaluate the water allocated to instream and out-of-stream uses under this section, evaluate the program, and provide an interim report to the appropriate committees of the legislature by June 30, 2008. A final report shall be provided to the appropriate committees of the legislature by June 30, 2011.