Bohannon Creek #3 Diversion Removal-PCSRF
Salmonid Habitat Restoration and Acquisition
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006 14 SA | Snake River | 01/06/2015 | 12/31/2018 | 2014 | Completed | 05/08/2024 | |
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Description
Bohannon Creek, tributary to the Lower Lemhi River, is seasonally dewatered in its lower segments due to surface irrigation water withdrawals. Water rights decreed from Bohannon Creek exceed the base flow capacity of the tributary. Some of the most senior priority water rights are served from the lowermost diversion, Bohannon Creek #3. Extraction of these rights results in the disconnection of this tributary from the Lemhi River, and adult and juvenile Chinook salmon are unable to access good quality spawning and rearing habitat. To address this condition, the Idaho Department of Fish and Game (IDFG) completed a project to substantially improve stream flow over existing conditions. The goal of this project was to establish a functional connection for fish in the previously dewatered stream segment in lower Bohannon Creek. To accomplish this goal, IDFG implemented a project that “spilled” the previously extracted water to the mouth of Bohannon Creek. Two separate irrigation systems were then installed for the water users to recapture this flow from the Lemhi River and deliver it to the historic place of use.
Project actions included the following:
Worksite 1-Bohannon Creek #3 Diversion – 1. Physically removed the Bohannon Creek #3 diversion. 2. Removed an existing IDFG-managed fish screen.
Worksite 2, Water User #1 – 1. Completed water right transfers to ensure the delivery of irrigation water down Bohannon Creek to the Lemhi River, and the extraction of equal amounts of this spilled water from the Lemhi River to the Place of Use. 2. Installed irrigation system infrastructure to extract irrigation water from the Lemhi River, which included more than 10,000 feet of irrigation line to serve two primary irrigation pivots and hand and wheel lines, a new diversion/check structure, and a pump station. 3. Established a water rights agreement through the Idaho Water Board that ensures the waters rights will be extracted from the Lemhi River through 2038 and provide compensation for operations costs (e.g. commercial power) related to the project.
Worksite 3, Water User #2 – 1. Completed water right transfers to ensure the delivery of irrigation water down Bohannon Creek to the Lemhi River, and the extraction of equal amounts of this spilled water from the Lemhi River to the Place of Use. 2. Installed irrigation system infrastructure to extract the irrigation water from the Lemhi River, which included approximately 7,000 feet of irrigation line, installation of three irrigation pivots, a pump station, and diversion structure. 3. Established a water rights agreement through the Idaho Water Board to ensure the water rights will be extracted from the Lemhi River through 2038 and provide compensation for operation costs (e.g. commercial power) related to the project.
Idaho Power installed a new power line to provide commercial power to both water users 1 and 2. Additionally, a water gauge was installed at worksite 2 and worksite 3.
IDFG completed this project in collaboration with the upper Salmon Basin Watershed Program Technical Team. IDFG coordinated directly with two private landowners for their acceptance and approval of the project, and also partnered with Idaho Department of Water Resources, Natural Resources Conservation Service, and Idaho Power to implement critical components of the project. IDFG worked directly with the National Marine Fisheries Service, U.S. Fish and Wildlife Service, Bonneville Power Administration, and the U.S. Army Corps of Engineers to secure necessary permits and resource compliance. Match funding was provided by the Bonneville Power Administration. Non-match funding was provided by Natural Resources Conservation Service EQIP funds.
Project Benefit
This project will address the tributary reconnection objective prescribed in the Lemhi Framework that supports the comprehensive water rights settlement in the SRBA. Bohannon Creek is one of the most prioritized tributaries identified for reconnection in the lower Lemhi River because of its biological importance in providing critical spawning and rearing habitat for anadromous fish. Removal of BC3 will maintain continuous flow throughout Bohannon Creek, substantially improving rearing condition for steelhead. Salmon and steelhead produced in other areas of the basin will be able to access cooler water in the watershed for rearing during summer, adult salmon will have access to the tributary for spawning, and adequate flow will be available for seaward migrating smolts.
Accomplishments
Riparian Habitat |
Stream Miles Treated |
.00 |
.02 |
Acres Treated |
.0 |
.3 |
Fish Passage |
Barriers Removed |
1 |
1 |
Miles Opened |
1.00 |
1.00 |
Funding Details |
PCSRF | $1,022,400 |
Other | $457,889 |
Report Total: | $1,480,289 |
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Worksites
1 Bohannon Creek 3 Diversion
- Worksite Identifier: 1 Bohannon Creek 3 Diversion
- Start Date: 11/01/2015
- End Date: 12/31/2018
Area Description
Lemhi River Sub-basin, Bohannon Creek
Location Information
- Basin: Salmon (170602)
- Subbasin:
- Watershed:
- Subwatershed:
- State: Idaho
- Recovery Domain: Snake River
- Latitude: 45.122114
- Longitude: -113.732705
ESU
- Snake River Basin Steelhead DPS
- Snake River Spring/Summer-run Chinook Salmon ESU
Map
Photos
Metrics
Metrics
- C.0
Salmonid Habitat Restoration and AcquisitionY (Y/N)
- . . C.0.a
Habitat restoration and acquisition funding 17,050.00
- . . C.0.b
Length of stream treated/protected 1.00
- . . C.0.c
Project identified in a Plan or Watershed Assessment | |
State of Idaho/Nez Perce Tribe, 2005, Lemhi Framework and Habitat Actions Table |
- . . C.0.d.1
Project Monitoring (LOV)
- . . C.0.d.2
Monitoring Location (LOV)
- . . C.2
Fish Passage ImprovementY (Y/N)
- . . . . C.2.a
Fish Passage Funding 17,050.00
- . . . . C.2.b.1
Length of stream made accessible 1.00
- . . . . C.2.b.3
Type of blockage/barrier (LOV)
- . . . . C.2.b.4
Number of blockages/impediments/barriers impeding passage 1
- . . . . C.2.c.1
Fish passage blockages removed or altered (other than road crossings reported in C.2.f to C.2.i)Y (Y/N)
- . . . . . . C.2.c.2
Number of blockages/impediments/barriers removed/altered 1
- . . C.5
Riparian Habitat ProjectY (Y/N)
- . . . . C.5.a
Riparian Habitat Funding .00
- . . . . C.5.b.1
Total riparian miles streambank treated .00
- . . . . C.5.b.2
Total Riparian Acres Treated .0
- . . . . C.5.c.1
Riparian plantingY (Y/N)
- . . . . . . C.5.c.2
Species of plants planted in riparian | |
None |
- . . . . . . C.5.c.3
Acres planted in riparian .0
- . . . . . . C.5.c.4
Miles of streambank treated with riparian planting .00
2 Water User #1
- Worksite Identifier: 2 Water User #1
- Start Date: 03/01/2015
- End Date: 12/31/2018
Area Description
Lemhi River Sub-basin, Bohannon Creek
Location Information
- Basin: Salmon (170602)
- Subbasin:
- Watershed:
- Subwatershed:
- State: Idaho
- Recovery Domain: Snake River
- Latitude: 45.120117
- Longitude: -113.758924
ESU
- Snake River Basin Steelhead DPS
- Snake River Spring/Summer-run Chinook Salmon ESU
Map
Photos
Metrics
Metrics
- C.0
Salmonid Habitat Restoration and AcquisitionY (Y/N)
- . . C.0.a
Habitat restoration and acquisition funding 827,989.00
- . . C.0.b
Length of stream treated/protected 1.00
- . . C.0.c
Project identified in a Plan or Watershed Assessment | |
State of Idaho/Nez Perce Tribe, 2005, Lemhi Framework and Habitat Actions Table |
- . . C.0.d.1
Project Monitoring (LOV)
- . . C.0.d.2
Monitoring Location (LOV)
- . . C.3
Instream Flow ProjectY (Y/N)
- . . . . C.3.a
Instream Flow Funding 827,989.00
- . . . . C.3.b
Length of stream 'protected' for adequate flow 1.00
- . . . . C.3.c
Change in water flow4 (cfs)
- . . . . C.3.d.1
Water flow gaugesY (Y/N)
- . . . . . . C.3.d.2
Number of water flow gauges 1
- . . . . C.3.e.1
Irrigation practice improvementY (Y/N)
- . . . . . . C.3.e.2
Acre feet of water conserved per year750 (Acre feet)
- . . . . . . C.3.e.4
Initial start date of action or agreement08/01/2018 (mm/dd/yyyy)
- . . . . . . C.3.e.5
Final end date of action or agreement12/31/2038 (mm/dd/yyyy)
- . . . . C.3.f.1
Water leased or purchasedY (Y/N)
- . . . . . . C.3.f.2
Acre feet of water per year purchased/leased750 (Acre feet)
- . . . . . . C.3.f.3
cfs (cubic feet per second) of water purchased/leased2 (cfs)
- . . . . . . C.3.f.4
Start date of no withdrawal08/01/2018 (mm/dd/yyyy)
- . . . . . . C.3.f.5
End date of no withdrawal.12/31/2038 (mm/dd/yyyy)
3 Water User #2
- Worksite Identifier: 3 Water User #2
- Start Date: 03/01/2015
- End Date: 12/31/2018
Area Description
Lemma river Sub-basin, Bohannon Creek
Location Information
- Basin: Salmon (170602)
- Subbasin:
- Watershed:
- Subwatershed:
- State: Idaho
- Recovery Domain: Snake River
- Latitude: 45.126334
- Longitude: -113.767911
ESU
- Snake River Basin Steelhead DPS
- Snake River Spring/Summer-run Chinook Salmon ESU
Map
Photos
Metrics
Metrics
- C.0
Salmonid Habitat Restoration and AcquisitionY (Y/N)
- . . C.0.a
Habitat restoration and acquisition funding 635,250.00
- . . C.0.b
Length of stream treated/protected 1.00
- . . C.0.c
Project identified in a Plan or Watershed Assessment | |
State of Idaho/Nez Perce Tribe, 2005, Lemhi Framework and Habitat Actions Table |
- . . C.0.d.1
Project Monitoring (LOV)
- . . C.0.d.2
Monitoring Location (LOV)
- . . C.3
Instream Flow ProjectY (Y/N)
- . . . . C.3.a
Instream Flow Funding 635,250.00
- . . . . C.3.b
Length of stream 'protected' for adequate flow 1.00
- . . . . C.3.c
Change in water flow6 (cfs)
- . . . . C.3.d.1
Water flow gaugesY (Y/N)
- . . . . . . C.3.d.2
Number of water flow gauges 1
- . . . . C.3.e.1
Irrigation practice improvementY (Y/N)
- . . . . . . C.3.e.2
Acre feet of water conserved per year1440 (Acre feet)
- . . . . . . C.3.e.3
cfs (cubic feet per second) of water conserved4 (cfs)
- . . . . . . C.3.e.4
Initial start date of action or agreement07/01/2018 (mm/dd/yyyy)
- . . . . . . C.3.e.5
Final end date of action or agreement12/31/2038 (mm/dd/yyyy)
- . . . . C.3.f.1
Water leased or purchasedY (Y/N)
- . . . . . . C.3.f.2
Acre feet of water per year purchased/leased1440 (Acre feet)
- . . . . . . C.3.f.3
cfs (cubic feet per second) of water purchased/leased4 (cfs)
- . . . . . . C.3.f.4
Start date of no withdrawal07/01/2018 (mm/dd/yyyy)
- . . . . . . C.3.f.5
End date of no withdrawal.12/31/2038 (mm/dd/yyyy)
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