Tucson, Arizona Water Conservation Rebates (2025 Guide)

How to Apply for Tucson Water Rebates

1. 1

   Attend a required Tucson Water rainwater harvesting class

   Complete a qualifying class through Tucson Water or the Watershed Management Group before applying. Classes cover system sizing, design, first-flush diverters, and code requirements. Check watershedmg.org/rebate-classes for the current schedule.

   Watershed Management Group rebate classes
2. 2

   Submit your online application and project plan to Tucson Water

   After completing the class, submit the online rebate application and a project plan at the Tucson Water rebate page. Do not purchase equipment or begin installation until Tucson Water reviews your application. Your property must have active Tucson Water service.

   You'll need:

   • Tucson Water account number
   • Property address
   • Tank type, size (gallons), and manufacturer
   • Site plan showing tank placement and roof catchment area

   Tucson Water Rainwater Harvesting Rebate
3. 3

   Purchase and install the rainwater harvesting system

   After receiving application approval, purchase and install the cistern or tank as described in your approved project plan. Systems must be 50 gallons or larger. First-flush diverters are recommended and may be required by local code for in-ground tanks.

4. 4

   Submit completion documentation and receive your rebate

   After installation, submit proof of purchase (receipts) and photographs of the completed system to Tucson Water. The rebate is calculated at $0.25/gallon for 50–799 gallon systems or $1.00/gallon for 800+ gallon systems, with a $2,000 maximum.

   You'll need:

   • Receipts for tank/cistern purchase
   • Photographs of the installed system
   • Final tank capacity confirmation

Tucson Water Rainwater Harvesting Rebate: Up to $2,000

Tucson Water administers this rebate for single-family residential customers and small commercial businesses with active Tucson Water service. The rebate covers above-ground cisterns and in-ground tanks designed to collect roof runoff for landscape irrigation. The rate is $0.25 per gallon for systems sized 50 to 799 gallons, and $1.00 per gallon for systems of 800 gallons or more. The $2,000 maximum applies regardless of system size. Your property must have active Tucson Water service before you purchase or install the system.

• Active Tucson Water service at the installation address prior to purchase
• Single-family residential or eligible small commercial property
• System capacity 50 gallons or larger
• Attend a required rebate class before applying
• Submit online application and project plan before installing

Required Class Before You Apply

Tucson Water requires participants to attend a rainwater harvesting class before submitting an application. Classes are offered by Tucson Water and the Watershed Management Group at watershedmg.org. The class covers system design, sizing, first-flush diverters, tank placement, and local code requirements. After completing the class, you submit your online application and project plan to Tucson Water for review before purchasing equipment or beginning installation.