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Columbia Basin Fish and Wildlife Program Columbia Basin Fish and Wildlife Program
SOW Report
Contract 95689: PI 1998-019-00 EXP WIND RIVER WATERSHED
Project Number:
Title:
Wind River Watershed
BPA PM:
Stage:
Implementation
Area:
Province Subbasin %
Columbia Gorge Wind 100.00%
Contract Number:
95689
Contract Title:
PI 1998-019-00 EXP WIND RIVER WATERSHED
Contract Continuation:
Previous: Next:
93681: 1998-019-00 EXP WIND RIVER WATERSHED - USGS
  • CR-376928: 1998-019-00 EXP WIND RIVER WATERSHED
Contract Status:
Issued
Contract Description:
Title: Wind River Watershed Project: FY2025

The USGS component of the Wind River Watershed Project has a goal of using instream PIT-tag detection capabilities within the Wind River subbasin to describe parr migrant patterns within the watershed and to assess the contribution of various migrant life histories to smolt and adult populations.  These data, coupled with WDFW's role in assessing adult and smolt populations and developing life-cycle models are providing a robust picture of steelhead life-histories, abundance, and diversity in this Intensively Monitored Watershed.  Increased PIT tagging of age-0 parr Steelhead in headwaters and PIT tagging of age-1 parr in headwaters and at screw traps and use of instream readers in tributary and mainstem locations will contribute to understanding of varying life-histories of wild Steelhead within the Wind River.  Instream detection capability within the watershed will als... o provide companion data to help track adult and smolt populations within the Wind Subbasin and can inform managers about the efficacy of restoration actions.  USGS and WDFW are collaborating on data collection and PIT tagging of Steelhead at all life stages to inform life-cycle models and life-stage specific survival.  A steadily improving instream PIT tag detection network provides data on headwater and screw trap tagged parr Steelhead, which in concert with screw trap recaptures and detections in the Columbia River as smolts and adults provides a robust design for life-cycle modeling.  

Below are listed some of the specific research questions we hope to address with increased data and scope of work.

The Wind River Project involves data collection under two of the monitoring types listed in the Draft Columbia River Basin Monitoring, Evaluation, Research, and Reporting Plan (MERR): 1) Status and Trend, and 2) Action Effectiveness.  Status and trend data (abundance estimates) are collected on wild lower Columbia River Steelhead smolts and adults in the Wind River subbasin, which is managed as a wild Steelhead sanctuary with no hatchery Steelhead.  These data, and a study design allowing evaluation of the removal of Hemlock Dam on Trout Creek, will provide Action Effectiveness Monitoring for habitat restoration actions including Hemlock Dam removal and instream restoration actions.  The MERR recommends that Action Effectiveness Monitoring be conducted in an intensively monitored watershed, which the Wind River has been listed as by the Washington Salmon Recovery Funding Board (SRFB) and the Lower Columbia River Salmon Recovery Plan (Ruckelshaus and Koenings 2005; LCFRB 2004a).  In addition to data on life-histories and life-cycle modeling provided by PIT tagging, the sampling of Steelhead parr provides valuable data on growth, population structure, and condition factor in natal and rearing areas.  These data, submitted to PTAGIS for PIT-tagged fish, and to StreamNet for non-tagged fish provide a long-tern record of fish metrics useful for documenting or assessing changes due to habitat or environmental changes.

The Columbia River Basin Research Plan (CRBRP) lists 12 focal research areas, each with critical uncertainties that need to be addressed.  The work of the Wind River Project will contribute information to four of these focal research areas and their associated critical uncertainties.

Tributary and Mainstem Habitat –
Work with lower Columbia River (LCR) Steelhead in the Wind River will help address questions related to the full life cycle of this salmonid species.  Questions about life-history dynamics including migration timing and limiting factors by life stage can be addressed with a robust PIT-tagging program.  Information on use of both tributary and mainstem habitats at juvenile and adult stages can be gained.

Critical uncertainties that Wind River data can contribute to understanding:
1)  To what extent do tributary habitat restoration actions affect the survival, productivity, distribution, and abundance of native fish populations?
2)  Are the current procedures being used to identify limiting habitat factors accurate?

Harvest –
PIT tagging of LCR steelhead in the Wind River provides marked fish to investigate loss of adult Steelhead between Bonneville Dam and the Wind River.  A number of potential factors may be leading to an observed difference in number of Wind River origin Steelhead that cross Bonneville Dam and that return to the Wind River.  These factors may include harvest or harvest related mortality (due to sport or commercial fishing), delayed mortality due to downstream effects, or mortality due to thermal stress or water quality.

Critical uncertainties that Wind River data can contribute to understanding:
1)  What are the effects of fishery interceptions and harvest in mixed-stock areas, such as the ocean and mainstem Columbia, on the abundance, productivity and viability of ESUs or populations, and how can fishery interceptions and harvests of ESUs or populations, both hatchery and wild, best be managed to minimize the effects of harvest on the abundance, productivity, and viability of those ESUs and populations?

Population Structure and Diversity –
Work with LCR Steelhead in the Wind River subbasin and its watersheds will provide data to evaluate processes influencing their distribution, interconnection, and population dynamics through time and space.  Estimation of populations of smolts and adults and PIT tagging of parr coupled with instream PIT tag readers in mainstem and tributaries to provide data on movement and rearing habits will contribute to understanding of co-occurring life-history types and use of tributary and mainstem habitats.

Critical uncertainties that Wind River data can contribute to understanding:
1)  What approaches to population recovery and habitat restoration are most effective in regaining meta-population structure and diversity that will increase viability of fish and wildlife in the Columbia River Basin?

Monitoring and Evaluation –
Monitoring of LCR Steelhead populations in the Wind River provides a critical dataset on a wild Steelhead population in the Lower Columbia, relatively free of hatchery influence.  Evaluation of habitat restorations projects, including the removal of Hemlock Dam, will help to quantify what gains may be expected from restoration actions taken to restore depressed populations of wild Steelhead.

Critical uncertainties that Wind River data can contribute to understanding:
1)  Can a common probabilistic (statistical) site selection procedure for population and habitat status and trend monitoring be developed cooperatively?
2)  Can empirical (e.g. regression) models for prediction of current abundance or presence-absence of focal species concurrent with the collection of data on status and trends of wildlife and fish populations and habitat be developed?

The Wind River Subbasin Plan outlines a number of goals that on-going work in the Wind River will help to address.  Work with PIT tagging and instream detection systems in mainstem and tributaries will provide information to help address the goal that the summer Steelhead population in the Wind River be productive, abundant, exhibits multiple life history strategies, and utilize significant portions of the subbasin.  Implementation of habitat projects, along with monitoring of habitat and water temperatures will help address the goals of lowering water temperatures, improving flows, and restoring habitat diversity.

The ISRP/ISAB Tagging Report (ISRP/ISAB 2009) makes a number of recommendations for improvements and better collection of data with various tagging methods.  Because the Wind River Project is using PIT tags and includes monitoring of Steelhead parr to smolt to adult life history strategies and survivals, we will be deploying multiple instream PIT tag detection systems.  These methods and data should help further knowledge related to recommendation 3.5, which states: “We recommend for PIT tags, further development of prototype in-stream transceivers for detection in tributaries to monitor smolt and adult movements in both large and small tributaries to better understand salmonid behavior and migration timing, fate of juvenile, smolt, and adult migrants before and after dam passage and to spawning grounds.”   Installation of multiple instream PIT-tag detection systems in the mainstem Wind River and tributaries will help further the understanding of knowledge that can be gained with these systems.

The Tagging Report lists, as examples of data contributing to better understanding of salmonid behavior and migration timing, the fall migrants documented at Beaver Creek in the Methow Subbasin and Rattlesnake Creek in the White Salmon Subbasin.  Both of these projects were done by personnel from USGS Columbia River Research Laboratory (CRRL) who will be primary personnel in the Wind River project.  These varied life history expressions are critical to a complete understanding of salmonid population dynamics and may be critical to maintain with environmental changes through restoration, climate change, or introduced species.  

In-stream detection does require some ability to estimate detection efficiencies at different life-stages and flows.  Personnel from CRRL have been exploring methods for efficiencies (Connolly et al. 2008) and guidelines have been provided (Connolly 2010) in the PNAMP Special Publication, Tagging, Telemetry, and Marking Measures for Monitoring Fish Populations (Chapter 7, Wolf and O’Neal 2010).

Knowledge and lessons learned from experience with instream PIT tag detection systems in the Wind River has been critical to other BPA funded projects in the region.  Our experience with system design, installation and O&M, and data collection has helped inform and train project personnel working in the Hood River, OR; the Klickitat River, WA; and Rock Creek, WA as well as other non-BPA funded projects throughout the western U.S.  We continue to learn and adapt in both the physical setup and data collection aspects of instream PIT tag detection system operations.  We continue to collaborate and share knowledge and experience with such systems with other entities.

Objectives, Tasks, and Methods

OBJ 1.  Maintain four PIT tag interrogation systems (plus two auxiliary single-antenna systems) to provide data on movements and survival of juvenile and adult Steelhead PIT tagged by USGS and WDFW.  Ensure data from PIT tag interrogators are submitted to the PTAGIS database.

OBJ 2.  PIT tag 1,500 Steelhead parr (age-0 and age-1) in headwater areas of Trout Creek and the upper Wind River watersheds.

OBJ 3.  Annual Reporting: Produce Annual Report covering January 2024 through December 2024.

OBJ. 4.  Compile and synthesize recapture and interrogation data from steelhead parr PIT tagged in the Wind River to date.

OBJ 5.  Continue to monitor and report on growth of steelhead PIT tagged at age-0 and age-1 Steelhead in the various headwater areas of the subbasin.

OBJ 6.  Estimate and report detection efficiencies and probabilities of migration of PIT tagged parr Steelhead to the PIT tag interrogation systems in the Wind River Subbasin.
  
Account Type(s):
Expense
Contract Start Date:
11/01/2024
Contract End Date:
10/31/2025
Current Contract Value:
$199,932
Expenditures:
$51,842

* Expenditures data includes accruals and are based on data through 28-Feb-2025.

BPA CO:
BPA COR:
Env. Compliance Lead:
Contract Contractor:
Work Order Task(s):
Contract Type:
Iaa
Pricing Method:
Cost Reimbursement (CNF)
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Full Name Organization Write Permission Contact Role Email Work Phone
Catherine Clark Bonneville Power Administration Yes Env. Compliance Lead cmclark@bpa.gov (503) 230-4240
Ian Jezorek US Geological Survey (USGS) Yes Contract Manager ijezorek@usgs.gov (509) 538-2908
David Kaplowe Bonneville Power Administration Yes F&W Approver djkaplowe@bpa.gov (503) 230-5365
Verl Miller Bonneville Power Administration Yes COR VCMiller@bpa.gov (503) 230-3468
Khanida Mote Bonneville Power Administration Yes Contracting Officer kpmote@bpa.gov (503) 230-4599
Chelsea Mouton US Geological Survey (USGS) No Administrative Contact cmouton@usgs.gov (206) 526-6287
Jessica Power Bonneville Power Administration No CO Assistant jdpower@bpa.gov (503) 230-4023
Kenneth Tiffan US Geological Survey (USGS) No Supervisor ken_tiffan@usgs.gov (509) 538-2972
Allan Whiting Bonneville Power Administration Yes Interested Party AHWhiting@bpa.gov (503) 230-3786
Jesse Wilson Bonneville Power Administration Yes Interested Party jcwilson@bpa.gov (503) 230-4506


Viewing 12 of 12 Work Statement Elements
Sort Order
WSEV ID
WE ID
Work Element Name
Title
Description
WSE Effective Budget
% of Total WSE Effective Budget
WSE Start
WSE End
A247540185Produce CBFish Status ReportPeriodic Status Reports for BPAThe Contractor shall report on the status of milestones and deliverables in CBFish. Reports shall be completed monthly, quarterly, or as negotiated with the BPA COR. In each report, when the work reaches a terminal status, additional data (actual metrics, updated budgets, final locations, etc.) may be required upon submitting the report to the BPA COR. Ensure that the last two status reports from contract #93681 are submitted.$1,0000.50%01/01/202510/31/2025
B247541119Manage and Administer ProjectsManage ProjectThis work element covers administrative and technical work to fulfill BPA's programmatic and contractual requirements such as financial reporting, and development of a contract renewal package (includes SOW, budget, property inventory). • Submit monthly invoices electronically within 45 days: Contractor's Contract Manager should review all charges included in contract invoices to ensure they are allowable, allocable, and consistent with the approved line-item budget. For contracts with subcontracts, invoices and associated supporting backup must be submitted electronically within 90 days of the end of the month in which costs were incurred. Subcontracts should be written to include requirements for timely submission of invoices from the subcontractor. • Track inventory: If equipment is purchased, tag all equipment purchased during the contract. If you are not a government entity with required procedures for what does, and does not have to be tagged, please follow requirements in the standardized language of your contract and with any additional clarity as provided by BPA’s Contracting Officer if you have questions. • If electronic equipment is purchased, dispose of electronic waste in accordance with state and local jurisdiction, laws, and policies: Confirm that adequate waste identification and collection procedures are in place and proper disposal practices are followed according to your governmental policy. If you do not have a policy, please contact your CO and/or COTR for guidance. The purpose is to keep hazardous materials from entering the normal waste stream, becoming land-fill, or being boot-legged into unregulated reprocessing and/or metals extraction. E-Waste usually includes: batteries, light ballasts, fluorescent tubes and bulbs, modems, routers, computers, and all equipment with electronic components. For current EPA guidance, please see: http://www.epa.gov/osw/conserve/materials/ecycling/rules.htm$13,4006.70%11/01/202410/31/2025
C247542165Produce Environmental Compliance DocumentationObtain Environmental Compliance CoverageConfirm that needed EC work is done to cover PIT tag detection system installation and to sample fish.$3,0001.50%11/01/202410/31/2025
D247543191Watershed CoordinationShare Project Activity and Progress with Partner AgenciesShare project activities and progress with the partner agencies for the Wind River (WDFW, UCD, USFS) to promote better understanding of data being collected and its implications, reduce redundancy in habitat and monitoring work, improve feedback loop between habitat work and assessment/evaluation work, maintain strong relationship between agencies and partners working in the same watershed for parallel purposes, maintain a unified, coordinated project.$1,5320.77%03/01/202510/31/2025
E247544157Collect/Generate/Validate Field and Lab DataMaintain the Upper Wind PIT Tag Interrogation System and Ensure Data CollectionMaintain the upper Wind PIT tag interrogation system (site code WRU) and the associated auxiliary antennas downstream of the site (used for developing and assessing detection efficiency of WRU). This may include tuning of the transceiver, changing batteries, adjustment of solar panels, and replacement of lost or malfunctioning antennas. Assure that the data are collected in a timely manner. USGS will submit data to PTAGIS. Data will be summarized in the annual RM&E reporting, and we will be collaborating with WDFW on use of these data in steelhead estimates and long-term monitoring of Steelhead parr. This site serves in concert with the Mine Reach site to generate adult and juvenile data for the upper Wind River to act as control for Trout Creek as ongoing and proposed restoration actions take place there.$15,0007.50%11/01/202410/31/2025
F247545157Collect/Generate/Validate Field and Lab DataMaintain the Trout Creek PIT Tag Interrogation at Hemlock System and Ensure Data CollectionMaintain the Trout Creek PIT tag interrogation system at Hemlock (TRC) and the associated auxiliary antennas downstream of the site (used for developing and assessing detection efficiency of TRC). This may include tuning of the transceiver, wiring of power supply, and replacement of lost or malfunctioning antennas. Assure that the data are collected in a timely manner. Data will be submitted to the PTAGIS database. Data will be summarized in the annual RM&E reporting, and we will be collaborating with WDFW on use of these data in Steelhead estimates and long-term monitoring of parr life histories. In addition, this site is also continuing to provide data in the long-term assessment of Steelhead response to removal of Hemlock Dam. Both juvenile and adult life stages are being monitored. Long term monitoring of restoration actions is something often overlooked, and many years can be required (Kondolf 2007; Brewitt 2016). Short term studies of restoration actions may even result in erroneous conclusions (Herrick et al. 2006). Pess (2009) reported that 20 - 25 years may be required to restore salmonid populations following dam removal highlighting the need for long term studies. At this time there is no definitive end date for the proposed efficacy monitoring of the Hemlock Dam removal. Additional restoration work is in progress and proposed by USFS for the Trout Creek watershed including a Stage-0 effort in the Trout Creek flats. Continued adult and juvenile Steelhead monitoring in Trout Creek will be critical to assessing if ongoing and future restoration provides benefit to the Steelhead population in addition to the potential benefit of Hemlock Dam removal. Because Steelhead are relatively long-lived, and their populations are affected by many factors we do plan to continue this evaluation as long as possible.$15,0007.50%11/01/202410/31/2025
G247546157Collect/Generate/Validate Field and Lab DataMaintain the Trout Creek at 43 Bridge PIT Tag Interrogation System and Ensure Data CollectionMaintain the Trout Creek at 43 Bridge PIT tag interrogation system. This may include tuning of the transceiver, wiring of power supply, and replacement of lost or malfunctioning antennas. Assure that the data are collected in a timely manner. Data will be submitted to the PTAGIS database. Data will be summarized in the annual RM&E reporting, and we will be collaborating with WDFW on use of these data in Steelhead estimates and long-term monitoring of parr life histories. In addition, this site is also continuing to provide data in the long-term assessment of Steelhead response to removal of Hemlock Dam. Both juvenile and adult life stages are being monitored. Long term monitoring of restoration actions is something often overlooked, and many years can be required (Kondolf 2007; Brewitt 2016). Short term studies of restoration actions may even result in erroneous conclusions (Herrick et al. 2006). Pess (2009) reported that 20 - 25 years may be required to restore salmonid populations following dam removal highlighting the need for long term studies. At this time there is no definitive end date for the proposed efficacy monitoring of the Hemlock Dam removal. Additional restoration work is in progress and proposed by USFS for the Trout Creek watershed including a Stage-0 effort in the Trout Creek flats immediately upstream of this site. Continued adult and juvenile Steelhead monitoring in Trout Creek will be critical to assessing if ongoing and future restoration provides benefit to the Steelhead population in addition to the potential benefit of Hemlock Dam removal. Because Steelhead are relatively long-lived, and their populations are affected by many factors we do plan to continue this evaluation as long as possible.$15,0007.50%11/01/202410/31/2025
H247547157Collect/Generate/Validate Field and Lab DataMaintain the Mine Reach of Wind River PIT Tag Interrogation SystemMaintain the Mine Reach of Wind River PIT tag interrogation system. This may include tuning of the transceiver, changing batteries, adjustment of solar panels, and replacement of lost or malfunctioning antennas. Data will be submitted to the PTAGIS database. Data will be summarized in the annual RM&E reporting, and we will be collaborating with WDFW on use of these data in adult Steelhead estimates and long-term monitoring of parr. This site serves in concert with the upper Wind River site to generate adult and juvenile data for the upper Wind River to act as control for Trout Creek as ongoing and proposed restoration actions take place there. During 2025, it may be necessary to relocate the Mine Reach PIT-tag interrogation equipment due to large-scale restoration actions by US Forest Service in the Mine Reach of the Wind River. Alternative sites are being considered. Restoration is scheduled to begin in the lower Mine Reach in 2024, and following that USGS will evaluate further on site relocation.$18,0009.00%11/01/202410/31/2025
I247548158Mark/Tag AnimalsPIT Tag a Total of 1,500 Steelhead Parr in the Headwaters of the Wind River SubbasinPIT tag 1,500 Steelhead parr in headwater areas of the Wind River subbasin to have these fish contribute to life history studies and population monitoring. Parr will be captured by backpack electrofishing. Age-0 (9-mm PIT tags) and age-1 (12-mm PIT tags) fish will primarily be targeted for tagging. These efforts will occur in Layout Creek, Crater Creek, and mainstem upper Trout Creek in the Trout Creek watershed and Paradise Creek, the Wind River above Paradise Creek, and the Mine Reach of the Wind River in the upper Wind River watershed. These sites will maximize tagged parr upstream of our dual instream PIT tag interrogation systems in both watersheds. Approximately 150 - 200 fish will be targeted for tagging at each site.$65,00032.51%11/01/202410/31/2025
J247549162Analyze/Interpret DataReport Growth Data on PIT Tagged Fish that Have Been RecapturedReport on relative growth of PIT tagged fish that have been recaptured during the project. Parr Steelhead have been PIT tagged in headwater areas of the Wind River since 2011. Each year, some of these PIT tagged fish are recaptured both within year and in subsequent years. Additionally, some PIT tagged parr are recaptured by WDFW at smolt traps. To the extent possible, we will determine growth rates within years and from year to year as well as between tagging locations in the watershed. Growth rates will be reported for age-0 and age-1 fish. These analyses to be made available in Annual RM&E Reporting.$13,0006.50%11/01/202410/31/2025
K247550162Analyze/Interpret DataEstimate Detection Efficiencies and Fish Passage at the PIT Tag Interrogation SystemsEstimate detection efficiencies of the PIT tag interrogation sites in the Wind River subbasin. The estimates will be stratified by adult and juvenile fish. Depending upon data availability, the estimates will be stratified by water level. Estimates will be generated by the methods of Connolly et al. (2008) when possible, or by Petersen methods with direct comparison of fish detected downstream of a site with detections at the site. Estimates will be provided in the Annual RM&E Reporting. Efficiency estimates will be used to generate estimates of numbers of PIT tagged fish passed each site, which will allow calculation of probability of migration to a site by tagging cohort.$13,0006.50%11/01/202410/31/2025
L247551132Produce Progress (Annual) ReportSubmit Technical Progress Report for Period (Jan2024) to (Dec2024)The progress report summarizes the project goal, objectives, hypotheses, completed and uncompleted deliverables, problems encountered, lessons learned, and long-term planning. Examples of long-term planning include future improvements, new directions, or level of effort for contract implementation, including any ramping up or ramping down of contract components or of the project as a whole. Technical progress reports should be submitted using the template available in Taurus (https://www.cbfish.org, go to your project, click on Reports & Documents, then go to the RM&E Technical Report tab).$27,00013.50%11/01/202410/31/2025
      
$199,932
   

Deliverable Title WSE Sort Letter, Number, Title Start End Concluded
Effective implementation management and timely contract administration B: 119. Manage Project 10/31/2025
See deliverable specification above. C: 165. Obtain Environmental Compliance Coverage 10/31/2025
Share project information D: 191. Share Project Activity and Progress with Partner Agencies 10/31/2025
Produce accessible, error-checked datasets E: 157. Maintain the Upper Wind PIT Tag Interrogation System and Ensure Data Collection 10/31/2025
Produce accessible, error-checked datasets F: 157. Maintain the Trout Creek PIT Tag Interrogation at Hemlock System and Ensure Data Collection 10/31/2025
Produce accessible, error-checked datasets G: 157. Maintain the Trout Creek at 43 Bridge PIT Tag Interrogation System and Ensure Data Collection 10/31/2025
Produce accessible, error-checked datasets H: 157. Maintain the Mine Reach of Wind River PIT Tag Interrogation System 10/31/2025
PIT tagging of 1,500 steelhead parr in headwater areas. I: 158. PIT Tag a Total of 1,500 Steelhead Parr in the Headwaters of the Wind River Subbasin 10/31/2025
Deliverable: An accessible, error-checked data set with metadata J: 162. Report Growth Data on PIT Tagged Fish that Have Been Recaptured 10/31/2025
Deliverable: An accessible, error-checked data set with metadata K: 162. Estimate Detection Efficiencies and Fish Passage at the PIT Tag Interrogation Systems 10/31/2025
Completed Progress (Annual) Report L: 132. Submit Technical Progress Report for Period (Jan2024) to (Dec2024) 10/31/2025

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Primary Focal Species Work Statement Elements
Steelhead (O. mykiss) - Lower Columbia River DPS (Threatened)
  • 4 instances of WE 157 Collect/Generate/Validate Field and Lab Data
  • 1 instance of WE 158 Mark/Tag Animals
  • 2 instances of WE 162 Analyze/Interpret Data

Sort WE ID WE Title NEPA NOAA USFWS NHPA Has Provisions Inadvertent Discovery Completed
A 185 Periodic Status Reports for BPA
B 119 Manage Project
C 165 Obtain Environmental Compliance Coverage
D 191 Share Project Activity and Progress with Partner Agencies
E 157 Maintain the Upper Wind PIT Tag Interrogation System and Ensure Data Collection 03/03/2025
F 157 Maintain the Trout Creek PIT Tag Interrogation at Hemlock System and Ensure Data Collection 03/03/2025
G 157 Maintain the Trout Creek at 43 Bridge PIT Tag Interrogation System and Ensure Data Collection 03/03/2025
H 157 Maintain the Mine Reach of Wind River PIT Tag Interrogation System 03/03/2025
I 158 PIT Tag a Total of 1,500 Steelhead Parr in the Headwaters of the Wind River Subbasin 03/03/2025
J 162 Report Growth Data on PIT Tagged Fish that Have Been Recaptured
K 162 Estimate Detection Efficiencies and Fish Passage at the PIT Tag Interrogation Systems
L 132 Submit Technical Progress Report for Period (Jan2024) to (Dec2024)