Winter: Operate for N/A Operate to 85% July-August: Draft to Fall/Winter: Storage Grand Coulee flood control and to confidence of meeting support salmon flow may be used to 85% probability of April 10 elevation objectives during support chum flows meeting April 10 objectives to increase with variable elevation objective spring flows in the . draft limit of 1278 to 1280 ft by August 31 Spring: Refill by Operate to help meet based on the water about June 30 and the Spring flow supply forecast. operate to help meet objective at Priest flow objectives (exact Rapids Dam August: Reduce date to be determined pumping into Banks during in-season Lake and allow Banks management) Lake to operate up to 5 ft from full pool (elevation 1565) during August to help meet salmon flow objectives when needed. Dworshak Winter: Operate to N/A Draft to elevation Fall/Winter: Storage achieve April 10 refill 1535 ft by the end of may be used to objective (exact date August and elevation support chum flows to be determined 1520 ft (80 ft from during in-season full) by the end of management) September unless modified per the Spring: Refill by Agreement between about June 30 and the and the Nez Perce operate to help meet Tribe for water use in flow objectives the Dworshak Reservoir.
Grand Coulee Winter: Operate for flood control and to 85% probability of meeting April 10 elevation objective Spring: Refill by about June 30 and operate to help meet flow objectives (exact date to be determined during in-season management) N/A Operate to 85% confidence of meeting April 10 elevation objectives to increase spring flows in the . Operate to help meet the Spring flow objective at Priest Rapids Dam July-August: Draft to support salmon flow objectives during with variable draft limit of 1278 to 1280 ft by August 31 based on the water supply forecast. August: Reduce pumping into Banks Lake and allow Banks Lake to operate up to 5 ft from full pool (elevation 1565) during August to help meet salmon flow objectives when needed. Fall/Winter: Storage may be used to support chum flows Dworshak Winter: Operate to achieve April 10 refill objective (exact date to be determined during in-season management) Spring: Refill by about June 30 and operate to help meet flow objectives N/A Draft to elevation 1535 ft by the end of August and elevation 1520 ft (80 ft from full) by the end of September unless modified per the Agreement between the and the Nez Perce Tribe for water use in the Dworshak Reservoir. Fall/Winter: Storage may be used to support chum flows
20130925_2014_WMP_Draft_Oct1_NWD.docx