Mill Creek Passage - Roosevelt Street
#21-1431 #21-1431
Organization Snake River Salmon Recovery Board Lead Entity
Sponsor Tri-State Steelheaders Inc
Status Completed
Schedule Start Date: 7/1/2023 End Date: 1/20/2026
Category Category: Restoration
DESCRIPTION
This project installed fish passage treatments to 919 feet of the concrete section of the Mill Creek flood control channel in 2022. Roughened concrete replaces areas of smooth concrete to provide lower velocity water for returning adults. Baffles in the bottom of the channel were reconfigured to eliminate supercritical flow, providing volitional passage for juvenile fish. Resting pools were added for additional benefit. With the completion of this project, the upper mile of the concrete channel now provides continuous passage, and about 70% of the entire concrete channel has been treated.
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FUNDING SOURCES
FUNDING ENTRIES FROM GRANT PROJECT AGREEMENT
TypeDateFunding OrgFunding ProgramMatchAmount
Requested01/13/2022Tri-State Steelheaders IncMatch$317,336.00
Requested01/13/2022Recreation and Conservation Office (RCO)BA Fish Barrier Removal Board$1,774,885.00
Allocated09/21/2026Tri-State Steelheaders IncMatch$286,385.48
Allocated09/21/2026Recreation and Conservation Office (RCO)FBRB Projects - CCA$1,601,776.25
SpentRecreation and Conservation Office (RCO)FBRB Projects - CCA-$0.00
Spent01/05/2024Recreation and Conservation Office (RCO)Salmon State Projects-$0.00
Spent03/19/2025Tri-State Steelheaders IncMatch-$286,385.48
Spent03/19/2025Recreation and Conservation Office (RCO)BA Fish Barrier Removal Board-$1,601,776.25
Grant Project Agreement Totals Proposed Requested Allocated Spent Balance
$2,092,221.00 $2,092,221.00 $1,888,161.73 $1,888,161.73 $0.00
OTHER FUNDING (Funding that is NOT in a grant project agreement)
TypeDateFunding OrgFunding ProgramMatchAmount
Other Funding Totals Requested Allocated Spent Balance
Grand Totals Proposed Requested Allocated Spent Balance
PRIMARY SPONSOR
PROJECT CONTACT
ALT PROJECT CONTACT
PROJECT MANAGER
PHOTOS

 
LOCATION
Chinook-Pop (ESU):Chinook-Middle Columbia River Spring, Not Warranted
City Areas:Walla Walla
County:Walla Walla
HUC12:Lower Mill Creek (170701020204)
HUC8:Walla Walla (17070102)
Lead Entity Area:Snake River
Legislative District:16
Salmon Recovery Regions:Snake River
Sections:21
Snake Major Spawning Areas:Mill Creek-Walla Walla River
Steelhead-Pop (ESU):Steelhead-Middle Columbia River, Walla Walla River, Threatened
Township:T07NR36E
Watershed Administrative Unit:Walla Walla Agricultural Lands
WRIA:Walla Walla
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  APPLICATION FINAL 
RESTORATION METRICS
Fish Passage Improvement    
*Miles Of Stream Made Accessible (SRFB) (C.2.b.1)
0.00mi0.00mi
*Number of blockages / impediments / barriers impeding passage (C.2.b.4)
1.001.00
Miles Of Stream Made Accessible (FBRB)
0.17mi0.17mi
 Fishway chutes or pools installed (C.2.d.1)    
Number Of Fishway Chutes/Pools Installed (C.2.d.2)
11.0011.00