S6_11-15-04

• Basin: Statewide
• Title: SWSI Phase 1 Report - Section 6 Water Needs Assessment
• Date: 11/15/2004
• Author: CWCB
• SWSI - Doc Type: Final Report

Section 6
Water Needs Assessment
Table 6-12 CWCB Instream Flow Ri hts on Ma'o r Rivers in the Colorado Riv er Basin
.-. . .-. .- .
• f ° • ~ ~ ' • a 0 i • • B f . "
Blue River Confluence of Monte Cristo Confluence with the 1-125 March 14, 1986 to 11
and Bemrose Creeks Colorado River Oct. 2, 1987
Colorado River Confluence with Ranger Confluence with the 20 - 581 July 8, 1980 6
Creek Gunnison River to Nov. 4, 1994
Eagle River Confluence of the East Fork Confluence with the 6-130 May 12, 1978 7
and South Fork Colorado River to March 17, 1980
Fraser River Headwaters Confluence with the 2.5 - 30 All Nov. 27, 1990 6
Colorado River
Roaring Fork Independence Lake Confluence with Crystal 10 -145 Jan. 14, 1976 5
River River to Nov. 8, 1985
Williams Fork Confluence with McQueary Williams Fork Reservoir 1- 38 All May 18, 1979 11
River Creek
* The range of flows also reflect the fact that there are multiple reaches with different CWCB instream flows specific to each reach.
Table 6-13 Instream Flows below BOR Projects in the Colorado Basin
m a
Ruedi Reservoir Point of compliance at USGS Gage 09080400 - Fryingpan below Ruedi Required by operating principles.
(downstream of Rocky Ford Creek). Release schedule:
^ Lesser of inflow to reservoir or release needed for 39 cfs, November 1
through April 30.
^ Lesser of reservoir inflow or 110 cfs at a e, Ma 1 throu h October 30.
Green Mountain Point of compliance at USGS gage 09057500 "Blue River below Green Summer release based on water
Reservoir Mountain": rights below dam. Release for
^ 60 cfs minimum release below reservoir in summer remainder of the year based on
^ 40 cfs is released the remainder of the ear historic ractice.
Willow Creek Point of compliance at gage "Willow Creek below Willow Creek Reservoir":
Reservoir Minimum flow 7 cfs or inflow, whichever is less, Oct. 1 throu h A ril 30.
Granby Reservoir Point of compliance at gage "Colorado River below Granby": 20 cfs from Can be reduced on forecast per
Oct. 1 through April 30. Secretarial finding
Point of compliance at USGS gage 09010500 "Colorado River near Granby
(YMCA gage)":
^ 75 cfs May, June, July
^ 40 cfs August
^ 20 cfs Se tember
Shadow Mountain ^ 20 cfs from Jan. 1 through May 31 May be reduced based on forecast
Reservoir ^ 50 cfs from June 1 through July 31
^ 40 cfs from Aug. 1 through Aug. 31
^ 35 cfs from Sept. 1 through Oct. 31
^ 45 cfs from Nov. 1 throu h Dec. 31
Fryingpan Arkansas Twelve of the 16 diversions for the Fryingpan Arkansas Project have minimum
Diversion releases ranging from 1-12 cfs. Four diversions do not have minimum
releases.
Rifle Ga 5 cfs released, or inflow if less, Nov. 1 throu h ril 15 Downstream senior water ri hts
Source: Personal communication, M. Wilson, BOR, Loveland, 4/22/04 and C. Stanton, BOR, Western Colorado Area Office, 4/23/04.
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