HomeMy WebLinkAbout05-06-19 City Commission Packet Materials - SP1. Heather Nold, Mayoral Mentee - SUPPLEMENTAL INFORMATION 5/6/2019
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Low Head Dam
Feasibility Study
for the Sourdough
Watershed
Montana State University
City of Bozeman
Commission Special Presentation
Heather Nold
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Mentorship Program
BOZEMANMT
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MONTANA
STATE UNIVERSITY
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Mentorship Program
BOZ E MANMT
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MONTANA
STATE UNIVERSITY
o Goals of the Program
o Public service immersion
o Propose innovative ideas
o Foster connections between academia
and greater Bozeman community
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1 1 1 ' ability to control.our future."
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Bozeman Hydrologic Background
Bozeman Watershed
Water Source Petcent of Total
Ly a 3pririp'
Volullict y .{ ,Bach rgeAniA
Hyalite Reservoir _�(' r.'� !
Sourdough 80% r
Canyon � j -
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Lyman Spring 20%
2018 City of Bozeman Strategic Plan Trainan r k, f
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6-Sustainable Environment 7
6.1-Clean Water Supplies
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Watershed Management watershed
Source:City of Bozeman 2017
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RESOURCES PLAN
�XkFAMEG TOM [ME CITY Of IOZEMAN
INTEGRATED WATER
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Source:City ofBo—an 2013
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Integrated Water Resources Plan
-Initiate water conservation program
-Obtain water rights in Hyalite and Sourdough Creeks
-Intensify leak protection program
Intermediate Term Goals
Conduct optimization study from Lyman Creek source
Work with developers to implement non-potable irrigation in new
development
-Expand water conservation to commercial and institutional sectors
Long Term Godis
-Construct one or more impoundments on Sourdough Creek
-Site and develop a new well field to supply the city
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-Develop a well field or impoundment drawing,from irrigation canals
sourced from the West Gallatin River
[WRP 2013
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Project Scope
Perform a desktop analysis to determine the volume storage potential
of several low head dams within the Sourdough Watershed using
publicly available data.
Compare the results of desktop analysis to target volumes within the
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Low Head Dams
Increase extent,duration,and depth
of inundation
Enhance overbank flooding
Contributes to riparian biotic
;. diversity
Promote groundwater recharge
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Beaver Dam Analog
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Storage Volume Potential Analysis
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Bazewn Creek Watershed •,
Slops Rater
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Storage Volume Potential Analysis
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legend
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Bozeman Creek%V rehed B..—Geek Watershed
Slle Selection Dam Footprint El—flops
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Storage Volume Potential Results
StoredBeaver Volume Volume Dains
Dani Stored Required
1 . , Reach
' I Planning
Sourdough Impoundment (ft) Target
2050 Planning Target(acre-11) 4 567403 460 2
915 3 393353 319 3
2 257594 209 5
1 121835 99 10
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Future Work
Social Response Engineering Design Ecological Response
Perception of Stry — Number of Struetwes Pool Geomarp! Iqv
Impact to Re<reatio� place—In System Biomass prod.0-
PermltlingPro<ess O.0—Cturatlerlitks fishAbud—
Prior Approprlui— - Operation aM Maintenance Aquatk Al;p nan llebltat Oaality
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Souse:PI)mtesw 2019
o Grant written by Dr.Plymesser,Dr.Woolard,Dr.Albertson,
Katherine Chase, Jamie McEvoy, and Dr.Verhille to fund several
future graduate students to USGS
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Mentored by Mayor Program
American r'
Water Works
Association
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Acknowledgements
o City of Bozeman Graduate o Montana State University
Committee Members Graduate Committee
o Mayor Cyndy Andrus o Dr.Kathryn Plymesser,PhD,
O Brian Heaston,PE PE(Committee Chair)
o City of Bozeman Staff o Dr.Craig Woolard,PhD,PE
o Shawn Kohtz,PE o Dr.Ellen Lauchnor,PhD
o Jessica Ahlstrom O Mentors from Montana State
o John Alston o Carmen McSpadden
o Dr.Tony Hartshorn,PhD
o Dr.Scott Powell,PhD
o Douglas Fischer
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