Year | Accomplishment |
1992 |
Completed study examining enhancement of benthic insect production in Hungry Horse Reservoir. |
1992 |
Completed chemical rehabilitation of Lion Lake. Removed illegally introduced perch and pumpkinseed from the lake located approximately 1 mile from Hungry Horse Reservoir. This became the most popular small lake fishery in this area. |
1993 |
Eradicated brook trout and enhanced spawning and rearing habitat in Elliott Creek, a direct tributary to the Flathead River. |
1993 |
Completed offsite chemical rehabilitation of Rogers Lake. Removed perch and reestablished cutthroat trout and arctic grayling. Lake is now a genetic reserve for the rare Red Rocks Lake strain of arctic grayling. |
1994 |
Chemically rehabilitated Devine Lake. Successfully eradicated non-native brook trout to reduce hybridization threat to bull trout in one of the strongest remaining populations. |
1994 |
Completed bank stabilization and sediment abatement project at a massive land slide in Big Creek, a major Flathead River bull trout spawning stream. The slide was directly above a known spawning area. |
1995 |
Completed sediment source surveys on road systems associated with 6 major connected bull trout spawning tributaries to Hungry Horse Reservoir. |
1995 |
Completed cooperative culvert improvement project on Margaret Creek, a direct tributary to Hungry Horse Reservoir. Opened 3.8 km of high quality habitat. Adfluvial cutthroat redds and juvenile bull trout are now upstream of a former culvert barrier. |
1995 |
Completed thermal modeling and installation of selective withdrawal structures on Hungry Horse Dam to restore normative river temperatures (Marotz et al. 1994). |
1996 |
Completed a fish ladder at Taylor's Outflow to allow access for spawning populations of cutthroat trout in the Flathead River. Rainbow trout attempting to enter the stream are now excluded by a trap weir. |
1996 |
Completed baseline data collection of bull trout spawning habitat quality and utilization in reservoir and backcountry tributaries of the South Fork Flathead River to monitor population trends and spawning and rearing habitat quality. |
1996 |
Completed coop. fish passage projects replacing culverts on Murray and Riverside Creeks, tributaries to Hungry Horse Reservoir. Opened 7 km of quality habitat. Adfluvial cutthroat trout redds and juvenile bull trout are now above the culvert barrier. |
1996 |
Completed fish passage and habitat enhancement project at Hay Creek, a tributary to the North Fork Flathead River. Lower reaches of this stream no longer flows subsurface (passage barrier) during summer and supports native trout. |
1996 |
Completed willow survival experiments in drawdown zone of Hungry Horse Reservoir. Examined methods for re-establishing vegetation in the varial zone. |
1996 |
Completed offsite chemical rehabilitation of Bootjack Lake. Removed introduced pumpkinseed and introduced westslope cutthroat and rainbow trout. The lake now has fish up to 20 inches in length and looks like a bowl of cheerios (float tubers). |
1996 |
Completed development of Integrated Rule Curves (IRCs) for Hungry Horse Reservoir (Marotz et al. 1996). Updated 1999. |
1997 |
Completed cooperative culvert improvement projects on 7 Hungry Horse Reservoir tributaries to eliminate passage barriers for adfluvial cutthroat trout. Resulted in 16 percent more spawning and rearing area in Hungry Horse Reservoir. |
1997 |
Completed offsite chemical rehabilitation of Murray and Dollar Lakes. Removed illegally introduced fathead minnows and redside shiners and reestablished trout. Fishing improved dramatically. |
1997 |
Completed food habits study for lake trout and northern Pikeminnow in the Flathead River. Collected and analyzed > 850 stomachs and estimated species-specific losses to predation (Malta et al. 1997; Zollweg 1998). |
1998 |
Completed study quantifying zooplankton entrainment at Hungry Horse Dam under various operational scenarios using selective withdrawal (Cavigli et al. 1998). Provided dam operators with instructions for using the duel intake ports. |
1998 |
Completed offsite chemical rehabilitation of Little McGregor Lake. Removed illegally introduced perch and reestablished trout in the lake in 1999. |
1998 |
Completed Griffin Creek fencing project that excluded cattle from 8 km of stream containing genetically pure westslope cutthroat trout. |
1998 |
Completed construction of Crossover Wetlands project. Installed sub-surface diversion structure to expand wetland in reservoir varial zone. Wetland has expanded over several acres. Biological monitoring is ongoing. |
1998 |
Completed development of a basin-wide radio-telemetry monitoring system for the upper Flathead River drainage. |
1998 |
Completed seasonal movement studies on lake trout and northern pike and initiated habitat use and movement studies on bull trout and westslope cutthroat trout. |
1998 |
Completed channel reconstruction of 2 km of Taylor's Outflow spring creek. Improved habitat complexity and channel stability in the spawning reach. |
1999 |
Implemented and completed fish passage improvement project on Paola Creek, a major spawning tributary to Hungry Horse Reservoir. Removed culvert barrier and installed baffles to allow fish passage. |
1999 |
Contracted stream survey and design with Land and Water Consulting to reconstruct selected channel reaches of Emery Creek, a major spawning tributary to Hungry Horse Reservoir. |
1999 |
Established livestock management agreements and eliminated point sediment/nutrient sources (e.g. fencing and streambank stabilization) in Dayton Creek in cooperation with CSKT. |
1999 |
Pursued land acquisition and developed preliminary channel and pond complex designs for Sekokini Springs Natural Rearing Facility. Water source proved to promote impressive growth and condition factor of westslope cutthroat trout. |
1999 |
Completed riparian fencing project in lower Hay Creek to exclude cattle in conjunction with USFS grazing allotment modification. |
1999 |
Conducted project-specific monitoring and evaluation of ongoing and completed projects throughout the Flathead River drainage (i.e. Taylor's Outflow, 7 Hungry Horse Reservoir tributaries, Crossover Wetland Area, Hay Creek, Griffin Creek, and area lakes). |
1999 |
Completed site evaluation, feasibility analysis, constant flow rate and water quality tests, and landowner scoping for Rose Creek stream/pond project. |
1999 |
Monitored watershed level fish and habitat parameters in cooperation with fish management staff and other agencies. Efforts included population surveys, streambed coring, redd counts, and gillnetting (ongoing since 1991). |
1999 |
Initiated Instream Flow Incremental Methodology study (IFIM) in cooperation with Miller and Associates (Fort Collins, CO) on the Flathead River targeting size-classes of native bull trout and westslope cutthroat trout. |
2000 |
Initiated a comprehensive study in cooperation with the University of Montana examining the degree and threat of hybridization between native cutthroat trout and non-native rainbow trout throughout the Flathead River drainage. |
2000 |
Completed winter population electrofishing surveys, whirling disease sampling, spring migrant trapping, and radio-telemetry surveys in the Flathead River drainage. |
2000 |
Completed winter growth analysis of westslope cutthroat trout in headwater populations. |
Objective | Task | Duration in FYs | Estimated 2001 cost | Subcontractor |
1. Address the threats to westslope cutthroat trout in the Flathead River Basin. |
a. Continue comprehensive basin-wide survey to identify hybrid populations and hybridization sites in lakes, rivers and streams. |
7 |
$49,000 |
|
|
b. Survey candidate streams to identify potential fish barrier sites, geology, hydrology, insect fauna, etc. |
5 |
$7,500 |
|
|
c. Calculate materials, methods and logistics for isolating cutthroat trout, chemical rehabilitation and removal of exotic fish. |
5 |
$12,000 |
|
|
d. Prepare individual EA's (MEPA), public scoping and draft MOU's with Forest Service and sportsman groups on candidate recovery populations. |
5 |
$9,000 |
|
2. Provide angling opportunities for public by restoring species assemblages. |
a. Survey candidate lakes for chemical rehabilitation and/or habitat improvement. |
2 |
$7,900 |
|
|
b. Prepare individual EA's (MEPA) and public scoping with sportsman groups and landowners on candidate recovery populations. |
|
$15,000 |
|
|
c. Design a self-contained fishing complex for westslope cutthroat trout as part of the State's Family Fishing Program in Rose Creek. |
2 |
$15,000 |
|
3. Improve fish habitat and fish passage problems in streams throughout the Flathead Basin. |
a. Maintain the role of HH Mitigation in the Dayton Creek Watershed Project with Tribes, agencies and private landowners. |
1 |
$3,700 |
|
|
b. Negotiate removal fish passage barriers on Paola Creek with the railroad company and Department of Transportation. |
1 |
$2,000 |
|
|
c. Work cooperatively with consultant and USFS to develop, modify and/or meet objectives of the Emery Creek habitat project. |
1 |
$2,000 |
|
Objective | Task | Duration in FYs | Estimated 2001 cost | Subcontractor |
1. Address the threats to westslope cutthroat trout in the Flathead River Basin. |
a. trap spawning runs on select streams to identify hybridization sites of cutthroat and rainbow trout. |
4 |
$21,000 |
|
|
b. genetic analyses of fish tissue |
4 |
$28,000 |
|
|
c. trap outmigrants to quantify the number of hybrid/exotic fish entering Flathead River from known hybridization sites. |
4 |
$21,250 |
|
|
d. Sample mountain lakes and streams in North, Middle and South Fork rivers to identify genetic purity (livestock/helicopter) |
6 |
$26,500 |
|
|
e. Chemically rehabilitate 3 lakes per year until goal has been reached. |
7 |
$60,000 |
|
|
d. Install fish barriers on 2 candidate streams to isolate cutthroat trout; chemically treat above barriers. |
5 |
$11,246 |
|
2. Provide angling opportunities to public by restoring species assemblages. |
a. Chemically rehabilitate Skyles and Spencer lakes. |
1 |
$37,500 |
|
|
b. Stock rehabilitated lakes with trout |
1 |
$3,000 |
|
3. Improve fish habitat and manage fish barriers to benefit native trout in streams throughout the Flathead Basin. |
a. Cooperate on fencing approximately 1.5 miles of Dayton Creek, or replacing undersized culverts. |
|
$15,000 |
|
|
b. remove fish passage barriers on streams (TBA) |
4 |
$4,000 |
|
4. Create a ponds and a new stream channels for natural spawning and rearing for westslope cutthroat trout in Sekokini Springs and Rose Creek. |
a. Construct pond, wetlands and an "E" spawning and rearing channel in the outlet and connect to Flathead River. |
3 |
$125,000 |
Yes |
Objective | Task | Duration in FYs | Estimated 2001 cost | Subcontractor |
1. Contingency for natural disasters/unforeseen liabilities, emergencies or contractual obligations for land use agreements from past projects |
a. fencing materials, rip rap, washed river gravel, seed, plants, erosion control for all restoration sites, and upkeep of Sekokini Springs Natural Rearing Facility |
ongoing - usually 5 year commitments, otherwise unforeseen |
$95,000 |
Yes |
2.Maintanence of project equipment |
a. boats, skid steer, buildings, traps, nets, laboratory equipment |
annually |
$32,400 |
|
3. Project equipment, associated materials and miscellaneous costs of operation |
a. light equipment implements, temporary land access leases and easements |
annually,
unforeseen |
$25,000 |
|
Objective | Task | Duration in FYs | Estimated 2001 cost | Subcontractor |
1. Develop habitat suitability use curves required by the Instream Flow Incremental Methodology (IFIM) Project (BPA #9502500) on the Flathead River. |
a. Collect micro and macro habitat parameters (i.e. depth, velocity, substrate, habitat type etc.) for use in developing weighted useable area curves for size-classes of bull trout and westslope cutthroat trout.
|
3 |
$33,236 |
|
2. Monitor effects of selective withdrawal at Hungry Horse Dam on Flathead River ecosystem. |
a. Monitor river temperatures at 6 locations in Flathead River system.
b. Quantify differences in macrozoobenthos diversity and abundance pre- and post-selective withdrawal.
c. Quantify and compare whitefish growth rates pre- and post. |
ongoing through duration of project |
$23,000 |
|
3. Assess abundance, distribution, and food habits of predator fish species (lake trout, northern pike) in the main stem, north, and middle forks of the Flathead River. |
a. Perform creel surveys throughout the Flathead River system.
b. Obtain growth information and analyze stomach contents from harvested northern pike and lake trout.
c. Tag and release fish for abundance and distribution analyses. |
2 |
$21,600 |
|
4. Assess distribution and movements of juvenile, sub-adult and adult bull trout and westslope cutthroat trout in the main stem, north, and middle forks of the Flathead River using radio-telemetry. |
a. Collect data on bull trout distribution, movement and habitat use through weekly ground, boat and aerial surveys.
|
4 |
$20,300 |
|
5. Assess distribution and movements of westslope cutthroat trout, rainbow trout and WCT x RBT hybrids in the main stem, North, and Middle forks of the Flathead River. |
a. Collect data on westslope cutthroat trout distribution, movement and habitat use through weekly ground, boat and aerial surveys.
|
5 |
$24,100 |
|
6. Monitor watershed level fish and habitat parameters in cooperation with fish management staff and other BPA projects. |
a. Annually monitor spawning, incubation and habitat quality by McNeil method of streambed coring in 33 tributaries to assess juvenile bull trout rearing habitat quality, and by substrate scoring in 21 tributaries. |
ongoing throughout duration of project |
$21,000 |
|
|
b. Conduct annual migratory cutthroat and bull trout redd counts in 45 index tributary reaches to monitor adult runs. |
ongoing throughout duration of project |
$17,400 |
|
|
c. Conduct annual cutthroat and bull trout juvenile estimates in 31 tributaries to monitor recruitment. |
ongoing throughout duration of project |
$8,200 |
|
|
d. Conduct river population estimates in main stem and forks of Flathead River. |
ongoing throughout duration of project |
$12,000 |
|
|
e. Conduct annual gill net series on Flathead Lake and Hungry Horse Reservoir. |
ongoing throughout duration of project |
$8,400 |
|
|
f. Collect disease samples from wild fish populations. |
ongoing throughout duration of project |
$4,200 |
|
7. Evaluate past mitigation projects. |
a. Taylor Spring Creek, Hay Creek, Dayton Creek. |
4 |
$5,000 |
|
|
b. Monitor fish growth, species composition, and angler use at past lake rehabilitations on Lion, Rogers, Bootjack, Murray, & Dollar lakes. |
4 |
$5,000 |
|
No scope change. Continuing to carry out Hungry Horse Mitigation Implementation Plan.
This information was not provided on the original proposals, but was generated during the review process.