WSP11877

• File Number: 8220.101.10
• Description: Colorado River-Water Projects-Glen Canyon Dam/Lake Powel-Glen Canyon Adaptive Management
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 9/1/2002
• Author: DOI-BOR-NPS-USGS
• Title: Proposed Experimental Releases from Glen Canyon Dam and Removal of Non-Native Fish-Environmental Assessment
• Water Supply Pro - Doc Type: Report/Study

Chapter 2.0 Description of Alternatives 11

01193

TABLE 2.2-Monthly water volumes for sediment input scenarios 1
MonthlY ear Base Case Scenarios 1, 2,
Water (T AF) and 3 Water (TAF)
Sediment Input
Year 1
Oct. 2002 600 492
Nov. 2002 600 476
Dec. 2002 800 492
Jan. 2003 800 839
Feb. 2003 600 730
March 2003 600 810
April 2003 600 600
May 2003 600 600
June 2003 630 650
July 2003 850 870
August 2003 900 870
Sept. 2003 650 801
Total Year 1 8,230 8,230
Sediment Input Scenario 4 Water
Year 2 (TAF)
Oct. 2003 600 600
Nov. 2003 600 600
Dec. 2003 800 800
Jan. 2004 800 854
Feb. 2004 800 748
March 2004 650 810
April 2004 600 600
May 2004 800 800
June 2004 900 878
July 2004 1,050 1,000
August 2004 1.050 1,000
Sept. 2004 950 910
Total Year 2 9,600 9.600

1. Minor adjustments were made to monthly volumes in water year 2002 through the AQP process to allow for the
potential initiation of the Proposed Action if Paria River sediment inputs occurred and environmental compliance was
completed. This had no effect on the annual release volume from Glen Canyon Dam.