Residential Outdoor Irrigation
and Indoor Water Use Compared

City % Outside Use % Inside Use

• Santa Barbara, CA 48 52
• San Diego, CA 63 37 (residential data logger study)
• Goleta, CA 50 50
• Riverside, CA 50 50
• Palm Springs, CA 75-80 25-20
• (Individual projects) 90 10
• Albuquerque, NM 40 60
• Brisbane, Australia 47 53
• Northern Territory, Australia 60 40
• Florida statwide ave. 50 50
• W. Palm Beach, FL 90 10 (at times during the year)
• Boulder, CO (Gunbarrel area) 78 22 (residential data logger study)
• Boulder, CO (city-wide) 57 43 (residential data logger study)
• Colorado Springs, CO 37 63
• Denver, CO 60 40 (residential data logger study)
• Scottsdale/Tempe, AZ 67 33 (residential data logger study)

Sources

Information in this table is from publications by the cities listed, or from a detailed data logger study by Aquacraft in Boulder, CO