8231

• UCREFRP Catalog Number: 8231
• Author: Maddux, H. R.
• Title: Draft Environmental Assessment For Procedures For Stocking Of Nonnative Fish Species In The Upper Colorado River Basin.
• USFW Year: 1996.
• USFW - Doc Type: Grand Junction, CO.
• Copyright Material: NO

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NONNATIVE FISH SPECIES'
LOCATION/SITUATION BLC BLG CHC FHM LMB MOS RSS SAL SMB STB TFS TGC UTC
All waters in the Upper Basin X
Isolated ponds/reservoirs within critical habitat above the X X X .
50-year tloodplain X
Isolated ponds within critical habitat that are located X X X
between the 10- and 50-year lloodplain of the Colorado and
Gunnison rivers.
Ponds within critical habitat that are located in the 10-year X X X
Iloodplain of the Colorado and Gunnison rivers that have a
FEMA approved dike for a 10-year flood event.
Isolated ponds/reservoirs outside critical habitat at or below X X X X X '
6,500-feet msi and 5 vertical feet above the OHWLS I X
Isolated ponds/reservoirs above 6,500-feet msl' X X X x X X X
Xr
Ponds screened to prevent escapement by State requirements
X:
Standing waters separated from occupied habitat by standing X X X X X X X
waters with established reproducing populations of the same
species'
Lake Powell
X X
Any waters (lakes/ponds/reservoirs) above Flaming Gorge Dam X X X X
Standing waters in Utah sub-basins where the fish currently

exists X
Facilities that will prevent escapement X
The abbreviations used for fish species are BLC - black crappie; BLG - bluegill; CHC - channel catfish; FHM - fathead minnow; LMB - largemouth bass; MOS
mosquitofish; RSS - redside shiner; SAL - salmonids; SMB - smallmouth bass; STB - striped bass; TFS - threadfin shad; TGC - triploid grass carp; UTC - Utah Chuh.
Triploid grass carp must have a certificate of genetic triploidy to be stocked.
s OHWL = Ordinary high water line.
6 msl = mean sea level
For example, above Starvation Reservoir in Utah and above McPhee Reservoir in Colorado.