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17-039 Ice Harbor Dam’s navigation lock returns to service; Little Goose remains on schedule for April 2 reopening

LOWER SNAKE RIVER, Washington – Ice Harbor Dam's navigation lock, located at Snake River Mile 9.7 near Burbank, Washington, returned to service at 11:59 p.m., on Thursday, March 23, according to U.S. Army Corps of Engineers officials in the Walla Walla District. [Read More]
Published: Mar-24-17

17-038 Corps issues FONSI for Dworshak’s Nutrient Supplementation Program

AHSAHKA, Idaho – The U.S. Army Corps of Engineers’ Walla Walla District issued a final Finding of No Significant Impact (FONSI) for the Corps' “Dworshak Long-Term Nutrient Supplementation Program.” [Read More]
Published: Mar-24-17

17-037 Corps sending technical assistance to support flood-fight efforts in Gem County, Idaho

GEM COUNTY, Idaho – An U.S. Army Corps of Engineers hydraulic engineer from the Walla Walla District’s Boise Office will be deployed tomorrow to provide technical assistance to Gem County emergency managers as they respond to flooding conditions there, according to Corps emergency management officials at the District headquarters in Walla Walla, Washington. [Read More]
Published: Mar-23-17

17-036 Corps invites comments on draft FONSI for Tetonia Water System Improvements Project

TETONIA, Idaho – The U.S. Army Corps of Engineers’ Walla Walla District invites public comments on a draft Finding of No Significant Impact (FONSI) for the Tetonia, Idaho, Water System Improvements Project. Comments are due to the Corps no later than Friday, April 21, 2017. The Corps proposes to assist the City of Tetonia, Idaho, with upgrades to their municipal water system. The City’s full proposed action includes construction of a new secondary well, new well house, pump controls, equipment and generator, and new storage tank. The City also plans to service existing distribution lines, install additional distribution lines, install freeze protection for shallow lines, and add or install a total of 27 fire hydrants. All actions would take place within the City. [Read More]
Published: Mar-23-17

17-035 Floating debris at McNary Dam headed downstream

UMATILLA, Ore. -- Water recreation enthusiasts should watch out for increased amounts floating woody debris in the lower Columbia River between McNary and John Day dams starting Wednesday, March 22, U.S. Army Corps of Engineers officials announced today. [Read More]
Published: Mar-22-17

17-034 Lower Monumental, Lower Granite dam’s navigation locks reopen early; other locks remain on schedule as previously announced

LOWER SNAKE RIVER, Washington – Lower Monumental and Lower Granite dam's navigation locks returned to service at 2:30 p.m., today, U.S. Army Corps of Engineers officials in the Walla Walla District announced. [Read More]
Published: Mar-20-17

17-033 Dworshak Dam discharge flows to increase today

AHSAHKA, Idaho – As planned late last week, Dworshak Dam discharge flows will begin increasing 2,000 cubic feet per second (cfs) per hour at noon today until flows reach 25,000 cfs at about 10 p.m. tonight, according to U.S. Army Corps of Engineers officials. The flow increases on Monday afternoon and evening will increase the river surface elevation about one foot. The increase will result in high water levels and very high velocities in the North Fork Clearwater River. [Read More]
Published: Mar-20-17

17-032 Ice Harbor Dam’s navigation lock return-to-service date delayed; other locks remain on schedule to reopen as previously announced

BURBANK, Wash. – The navigation lock at Ice Harbor Dam, located at lower Snake River mile 9.7 near Burbank, Washington, requires additional work to address an unexpected mechanical issue that recently developed during the downstream lock gate’s commissioning process, U.S. Army Corps of Engineers officials in the Walla Walla District announced, today. The lock is now tentatively scheduled to reopen at 11:59 p.m. on Thursday, March 23. Other locks in the system remain on schedule to reopen as previously announced. [Read More]
Published: Mar-18-17

17-31 McNary Dam’s navigation lock reopens early to river traffic; other locks still on track with previously announced schedules

UMATILLA, Ore. – The navigation lock at McNary Dam, near Umatilla, Oregon, reopened to river traffic this evening, U.S. Army Corps of Engineers officials in the Walla Walla District announced. [Read More]
Published: Mar-17-17

17-030 Dworshak Dam discharge flows to decrease Saturday night, then increase on Monday - Flow decrease and increase to help reduce flooding impacts and give hatcheries an opportunity to release juvenile fish smolts

AHSAHKA, Idaho – To help reduce downstream flooding impacts, and to give fish hatcheries an opportunity to release juvenile fish smolts, Dworshak Dam discharge flows are planned to be reduced from the current 12,500 cubic feet per second (cfs) to 7,500 cfs beginning at midnight on Saturday, March 18, according to U.S. Army Corps of Engineers officials. At noon on Monday, March 20, flows are planned to begin increasing 2,000 cfs per hour until flows reach 25,000 cfs at about 10 p.m. Monday night. The Saturday night flow reduction will lower the downstream water surface elevation in the Clearwater River by about a half foot. The reduced flows on Sunday and Monday will reduce the forecasted peak flow on the Clearwater River to minimize local flood impacts in Ahsahka, Idaho and Spalding Idaho. The flow increase on Monday afternoon and evening will increase the river surface elevation about one foot. The increase will result in high water levels and very high velocities in the North Fork Clearwater River. [Read More]
Published: Mar-17-17
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