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

Solar Readiness Summary

Residential Gray Water Ordinance -Exhibit A

Gray Water Illustrations -Attachment A

Commercial Water Harvesting Ordinance

Residential Electric Vehicle Readiness - 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

Gray Water Ordinance Brochure

Gray Water Professional Information Guide

Gray Water for Residential Use (YouTube Video)   

Net-Zero Energy Building Standard

Water Harvesting Guidance Manual

Commercial Rainwater Harvesting Water Budget Spreadsheet (Excel Sheet)