I Irrigation Practices, Water Consumption, & Return Flows in Colorado’s Lower Arkansas River Valley Irrigation Water Practices, Irrigation Practices, Water Consumption, & Return Flows in Colorado’s Lower Arkansas River Valley Field and Model Investigations By Timothy K. Gates, Luis A. Garcia, Ryan A. Hemphill, Eric D. Morway, and Aymn Elhaddad CWI Completion Report No. 221 CAES Report No. TR12-10 Additional copies of this report can be obtained from: Colorado Water Institute E102 Engineering Building Colorado State University Fort Collins, CO 80523-1033 Phone: 970-491-6308 Email:
[email protected] This report can also be downloaded as a PDF file from www.cwi.colostate.edu. Colorado State University is an equal opportunity/affirmative action employer and complies with all federal and Colorado laws, regulations, and executive orders regarding affirmative action requirements in all programs. The Office of Equal Opportunity and Diversity is located in 101 Student Services. To assist Colorado State University in meeting its affirmative action responsibilities, ethnic minorities, women and other protected class members are encouraged to apply and to so identify themselves. III Irrigation Practices, Water Consumption, & Return Flows in Colorado’s Lower Arkansas River Valley Field and Model Investigations By Timothy K. Gates Luis A. Garcia Ryan A. Hemphill Eric D. Morway Aymn Elhaddad Department of Civil and Environmental Engineering Colorado State University Technical Completion Report No. 221 Colorado Water Institute Technical Report No. TR12-10