Water & Energy Conservation

Mandatory Design Features

In most desert climates, the sun is the most plentiful commodity and water is the most valuable resource. The City of Tucson has made these two elements of significant concern by adopting a few ordinances to ensure sustainable potential in the future.

Residential Solar Readiness Ordinance(PDF, 171KB)

Solar Readiness Summary(PDF, 47KB)

Residential Gray Water Ordinance -Exhibit A(PDF, 10KB)

Gray Water Illustrations -Attachment A(PDF, 109KB)

Commercial Water Harvesting Ordinance(PDF, 982KB)

Residential Electric Vehicle Readiness(PDF, 549KB) - all new one- and-two family homes are required to provide an electrical outlet near the parking area for EV charging

Supplemental Information

SolarApp - same day permitting for residential solar

Energy Star In-lieu of IECC(PDF, 158KB)

Gray Water Ordinance Brochure(PDF, 3MB)

Gray Water Professional Information Guide(PDF, 15MB)

Gray Water for Residential Use (YouTube Video)   

Net-Zero Energy Building Standard

Water Harvesting Guidance Manual(PDF, 2MB)

Commercial Rainwater Harvesting Water Budget Spreadsheet(XLS, 93KB)