Graywater · Arizona

Tucson Water and SERI Low-Income Gray Water Grants and Loans

Run by Tucson Water with Sonora Environmental Research Institute (SERI)

Status not postedLast checked October 17, 2026
What you get
Grant up to $500 (at or below 100% FPL) or up to $350 (100-200%); zero-interest loan up to $500, 12-month payments; SERI also helps apply for the Tucson Water gray water rebate of up to $1,000
Maximum
$500 per household
Who qualifies
Single-family Tucson Water customers with income at or below 200% of 2026 Federal Poverty Guidelines; homeowners, renters of a single-family dwelling with signed landlord letter, or mobile home owners in parks.
Where
Income-qualified single-family Tucson Water customers, including renters with landlord approval.
Status
Status not posted. The official page doesn't say whether it's taking applications.
Type of payment
Grant
Official program page

What you do

Have a laundry-to-landscape gray water system installed, with SERI coordinating installation.

Requirements

  • Complete a Gray Water / Laundry-to-Landscape workshop before installation
  • Permit needed to modify drainage plumbing; none needed to use an existing washer gravity stub-out

How to apply

  1. 1Fill out the SERI Program Request Form linked on the page
  2. 2SERI screens applicants and coordinates installation
  3. 3Questions: SERI 520-321-9488, [email protected], or 311

Timing and deadlines

not published

Combining it with other programs

SERI helps apply for the $1,000 gray water rebate

Sources

Last checked October 17, 2026. See something out of date? Tell us.

Sow is not affiliated with any of these agencies or utilities. Amounts and rules change, often at the start of a fiscal year, so confirm the details on the official page before you start a project. How we research these programs

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