High-Efficiency Toilet (HET) Rebate

toddler drinking from fountain

Note: Due to fluctuations in staffing during this time, rebates and credits may take up to 12 weeks to process. Please be patient.

Replacing older 3.5 gallons-per-flush or greater toilets with high-efficiency models is a cost-effective way to conserve water and save money.

Rebate is $75 per toilet replaced (maximum $150 for two toilets; the rebate is issued as a credit on your utility bill)


  • Single-family residential Tucson Water customers whose homes were built prior to 1991.
  • If located in Pima County, homes must be built prior to 1994.
  • Toilets that use 3.5 gallons-per-flush or more must be replaced with high-efficiency toilet (HET) models that use 1.28 gallons or less per flush.


  • Replacement of toilets that use 3.5 gallons-per-flush or more.
  • Installation of toilets that use 1.28 gallons or less per flush.
  • Only WaterSense certified high-efficiency toilets (HETs) qualify for the rebate.

WaterSense Certification 

Look for the WaterSense logo to select a toilet that qualifies for the rebate and meets water efficiency and performance standards.

Visit the EPA's WaterSense product search page to find qualifying products .

How to Apply

For more information, call 520-791-4331 or e-mail Tucson Water's Public Information and Conservation Office (PICO).

Esta información está disponible en Español. Por favor llame al 520-791-4331.