Up to $1,000 Rebate for Gray Water System Installation
IMPORTANT UPDATE: As part of an effort to improve outcomes for the program, as of July 1, 2023, customers applying for a rainwater harvesting or gray water harvesting rebate will be required to take an eligible workshop before installation of their system. If a system is installed before the customer takes a workshop, their rebate application will be denied. To review a list of upcoming courses, please visit our partner’s website who offer a variety of dates and class modalities.
Tucson Water will reimburse 50% of qualifying costs, up to $1,000, when a permanent gray water irrigation system is installed at your home and the application is submitted no later than 1 year after the purchase of the product(s). Rebates are available for retrofitting existing homes, as well as connecting new homes to gray water irrigation systems.
Eligibility and Requirements
- Permanent installation of gray water irrigation systems.
- Rebate covers design costs (up to $200), materials, storage tanks, filters, pumps, backflow prevention assembly, and installation.
- Rebate does not cover hoses and other non-permanent fixtures, bathroom remodel materials, workshops, plants and sales taxes.
- Must attend a FREE Gray Water Rebate Workshop. The workshop covers appropriate methods to design, operate, and maintain a gray water system. Submission of a gray water project plan is required. Note that pressurized systems will need installation of an RPA (Reduced Pressure Assembly) for backflow prevention.
- Applicants must submit aW-9 form for rebates of $600 or more, which are subject to tax, and will be issued a1099-MISC for miscellaneous income. The W-9 form requires submitting your social security number.
NEW! Watch this informative video on Backflow Prevention: Rainwater and Gray Water Pressurized System - Backflow Prevention Requirement
Backflow Prevention Requirements
Use of an irrigation system that is pressurized with any kind of pump must have a reduced pressure assembly (RPA) installed at the service connection to protect the public water system from potential contamination.
For more information on backflow assembly requirements for alternative water sources (rainwater and gray water irrigation systems), download the Alternative Water Sources and Backflow Assembly Requirements , visit the Backflow Prevention web page, or call 520-791-2650.
Contact the City of Tucson Planning & Development Services Department to find out if a permit is needed: