BPA Fish and Wildlife FY 1997 Proposal
Section 1. Administrative
Section 2. Narrative
Section 3. Budget
see CBFWA and BPA funding recommendations
Title of project
Sawmill Creek Inland Fish Habitat Restoration
BPA project number 5505200
Business name of agency, institution or organization requesting funding
Sponsor type OR-Federal Agency
Proposal contact person or principal investigator
|Name||Kelly Shanahan or Tom Montoya|
|Mailing address||Snow Mountain Ranger District
Ochoco National Forest
HC-74 - Box 12870
Hines, OR 97738
BPA technical contact , EWP
Biological opinion ID
NWPPC Program number
The Forest Service has funds to restore native inland fish passage on Sawmill Creek. Instream habitat work funding is also needed to maximize fisheries benefits. Work includes equalizing the elevation difference upstream and downstream of the culvert gradually with vortex rock wiers and restoring riparian vegetation with plantings.
Project start year 1997 End year 1997
Start of operation and/or maintenance 1997
Project development phase Implementation
1. Forest Service Funds are available to pay for new culvert and baffles portion of fish passage problem.
Biological results achieved
Annual reports and technical papers
Specific measureable objectives
1) Cause a change, increase, in the redband trout population numbers.
2) Increase the number of adult redband trout spawning in areas above culvert.
3) Change geomorphology of stream channel to one that is in equilibrium with site.
1) Redband trout population will increase through replacement of culvert and realignment of stream channel within next 5 years.
2) Population of spawning trout will increase above replaced culvert within the next 5 years.
3) Average gradient within reach, 100 feet above and below site, will be less than 4 percent over the next 5 years.
Underlying assumptions or critical constraints
1) Redband trout population and spawning sucess has been limited due to improper placement of existing culvert.
2) Replacement of current culvert will allow fish to access headwater reaches from lower reaches, below the existing culvert.
3) Average reach gradient above and below the culvert is not allowing for channel stability. This is due to culvert placement at too steep of an angle and undersized for peak flow events. Current size allows for 5-10 year flood passage. Forest Service will replace with 100 year flood passage culvert.
a) experimental design
1) Fixed plot using existing protocol for Ochoco Fish Community Assessment.
2) Protocol for redband trout redd survey, Ochoco N.F..
3) Stream channel cross-section and longitudal profile (Fixed Plot).
b) statistical analysis
1) Change in redband trout population will be calculated for number of fish collected at baseline, year 3 , year 5 to determine trend.
2) Change in number of redds observed above culvert each year starting baseline, year 1, 2, 3, 4, & 5.
3) Change in average gradient observed at baseline, year 3, year 5.
c) type and number of fish to be used: Redband trout (Oncorhynchus mykiss ssp.) will be used as an indicator for achieving objectives. No other species will be used.
Brief schedule of activities
1. Forest Service to install new culvert and fish passage baffles in 1996.
2. All survey and design work to be completed by 1996.
3. 1997 implementation of instream habitat/fish passage work.
** project is self maintaining and would require minimal to no activity in 1998 to 2000.
Redband trout is listed by the Region-6 Regional Forester as a Sensitive Species, by the US Fish and Wildlife Service as a Category II species, under the Endangered Species Act, and by the State of Oregon as a Sensitive species (vulnerable).
Current data shows this population has limited habitat and conditions, which may lead to loss of this population if conditions are not improved. Current culvert is a barrier to habitat higher in the watershed that is inaccessable to redband trout in the lower reaches of Sawmill Creek. Due to instability of the stream channel below current culvert, riparian vegetation can not become established. High width to depth ratio are promoting stream temperatures above 80 _o_ F. within this reach. Embeddedness has recorded at 100 percent within stream channel gravels. Spawning and rearing success of local redband trout populations is expected to decline if conditions are not improved.
Current conditions below the existing culvert and the lack of other causative factors such as livestock grazing or timber harvest; the uncertainty of activities other than undersize and misplacement of existing culvert is low.
Summary of expected outcome
1) Inland native fish passage would be restored. This would reconnect approximately 9 miles of native fish habitat to the Silver Creek Priority Watershed (Inland Native Fish Strategy, Forest Service, 1995).
2) A historically degraded portion of Sawmill Creek would be stabilized. The combination of the new Forest Service funded culvert (allows passage of a 100 year flood vs existing 5-10 year flood) and a stabilized channel would greatly decrease the liklihood of further stream damage during flood events.
Dependencies/opportunities for cooperation
This would be a cooperatively funded project with the Forest Service. Our funding will accomplish all NEPA, design, and culvert installation in 1996. Other cooperators such as the Oregon Department of Fish and Game could assist with the implementation of 1997 instream habitat/fish passage work.
Physical Risks: With proper design and implementation, the physical risks to the stream are minimal.
Biological risks: Risks to the current population is low, based on design of the project and impacts to the physical conditions of the stream channel.
1) 1996 collect Pre-project baseline data for 1) redband trout populations above and below existing culvert, 2) number of redds occuring annually above the culvert site, 3) average gradient for reach above and below existing culvert.
2) 1997 - 2000 collect data on number of redds occuring above replacemnt culvert.
3) 1998 - 2000 collect data for 1) redband trout population's 2) average gradient in reach 100 foot above and below replaced culvert.
|Historic costs||FY 1996 budget data*||Current and future funding needs|
|(none)||New project - no FY96 data available||1997: 38,240|
* For most projects, Authorized is the amount recommended by CBFWA and the Council. Planned is amount currently allocated. Contracted is the amount obligated to date of printout.
CBFWA funding review group Resident Fish
Recommendation Tier 2 - fund when funds available
Recommended funding level $38,240