RGDSS_Historic_CUreport_20040601

• Title: RGDSS - Rio Grande Historic Crop Consumptive Use Analysis
• Description: The documentation is for the Rio Grande Basin Historic Crop Consumptive Use Analysis, developed during the RGDSS implementation for the period 1950 through 2002. It includes 100 percent of the crop consumptive use in the basin for the period. Documentation consists of the final Historic Crop Consumptive Use Analysis Report and supporting appendices.
• Decision Support - Doc Type: Modeling Dataset Documentation
• Date: 6/1/2004
• DSS Category: Consumptive Use
• DSS: Rio Grande
• Basin: Rio Grande
• Contract/PO #: C153863
• Grant Type: Non-Reimbursable
• Bill Number: HB98-1189, SB99-173
• Prepared By: Leonard Rice Engineering

5.2 Historic Crop Consumptive Use
Table 16 presents the historic crop consumptive use analysis results, by water district, for
the 1950 to 2002 study period. As shown, water supply-limited consumptive use
averages 759,045 acre-feet per year. The average annual shortage in the basin is 32
percent.
Table 16
Avera a Annual Consum tive Use Results - 1950 throu h 2002
Water
District Irrigation Water
Requirement (acre-feet) Supply-Limited
CU (acre-feet) Percent
Shortage
20 571,238 434,119 24
21 107,603 48,946 55
22 171,859 95,358 45
24 47,917 38,941 19
25 70,258 39,438 44
26 63,156 38,693 39
27 35,988 28,090 22
35 50,365 35,460 30
Total 1,118,384 759,045 32
cureport_6-2004.doc 36 of 48 June, 2004