Rainwater Harvesting Rebate

Tucson Water single-family residential customers or small commercial businesses may be eligible for a rainwater harvesting rebate. Installation address must have active Tucson Water service prior to purchasing and installing the system. A small commercial business is defined as a commercial customer with a 5/8 inch size water meter.

Rebate Details and Requirements

Rebate funding for this program is limited. Submitting a pre-approval does not guarantee funding. Tucson Water reserves the right, at its sole and absolute discretion and at anytime, to change any or all of the rebate program policy or to cancel the rebate program without prior notice.

Due to budget limitations this fiscal year, no pre-approval applications will be accepted after March 15, 2026. This rebate will reopen in July 2026.

Rebate Pricing

Calculations are based on total storage capacity of system with a $2,000 maximum per property.

  • $1.00 per gallon for a total system storage that is equal to or greater than the total required storage.
  • $0.50 per gallon for a total system storage that is less than the total required storage.
  • $0.50 per gallon for basins not receiving direct roof runoff.
  • $0.50 per gallon for streetside or right of way (ROW) basins capturing direct stormwater runoff.

Application Process

  1. Attend Rainwater Harvesting Workshop. Customer must attend approved workshop before submitting pre-approval form. Workshops taken before July 2023 do not qualify. Visit our partner's website to review a list of eligible rebate classes: Watershed Management Group Workshops.
  2. Submit pre-approval form. Pre-approval application form and residential site plan must be submitted and approved prior to the purchase and installation of system. Systems purchased or installed prior to receiving approval do not qualify for the rebate.  
  3. Upon approval, customer has one year to complete installation of their system. If customer does not install within one year, they will have to reapply.
  4. Schedule post-installation site visit. After installation, customer must call and schedule a site visit before applying for a rebate. Rebate amount is determined during the site visit after measurements of active and passive systems have been taken. To schedule, contact the conservation team at 520-791-4331 or email conservation@tucsonaz.gov.
  5. Apply for rebate. Customer is automatically emailed the link to apply for the rebate after the site visit is complete. Customer must provide:
    • Itemized receipts or invoices for materials purchased and/or for contracted services
    • W-9 Form for rebates of $600 or more. Applicants receiving rebates of $600 or more will be issued a 1099-MISC for miscellaneous income, per IRS requirements.
  6. Rebate will be sent in the form of a check to the mailing address on the water account. Expect to receive check within 6 - 8 weeks from email confirmation date.

 

Submit Pre-approval Form

Additional Resources:

Frequently Asked Questions

Why is the rebate on my pre-approval different from the one calculated during the post-installation site visit?

The pre-approval rebate amount is estimated based on measurements entered at that time. Final rebate is based on system capacity and the measurements taken by Tucson Water staff during the post-install visit.

If during the inspection, it is determined that the storage capacity is not enough, customer can either accept rebate or accept a rebate denial and resubmit another pre-approval to expand the system and the get the full rebate amount. System must still be completed within the year.

 

How is the rebate calculated for customers that have already received a rebate and want to expand it later on?

Only new system features will be considered for an additional rebate. No additional rebate will be given on existing system features. The rebate will be calculated based on the total system capacity and remaining dollars available.

 

 

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