Rebate Programs

Water Conservation Measure Rebate Amount Potential Water Savings
Replace 5 gallon/flush (gpf) toilet (pre-1980) with 1.28 gpf toilet $100 19 gallons/day
Replace 3.5 gpf toilet (1981-1994) with 1.28 gpf $75 11 gallons/day
Replace 1.6 gpf toilet (1995-2008) with 1.28 gpf $25 2 gallons/day
Install 1,000 gallon-capacity rainwater harvesting tank $100 depends on landscape design
Low Water Landscape Design & Grass Lawn Removal $0.25/sqft depends on landscape design

Submit your rebate application and supporting materials online at

All rebates are first-come, first-served. Contact the water conservation office at (928) 213-2116 if you have questions.

High-Efficiency Toilet (HET) Rebate

  • Single-flush toilets must use 1.28 gallons or less per flush; dual-flush toilets can use 1.0/1.1 to 1.6 gallons per flush.
  • All devices must be EPA WaterSense® labeled.
  • Toilets must have been purchased on or after June 1, 2016.
  • New toilets must replace an existing toilet; only homes built before 2009 (as noted in the Coconino County Assessor’s parcel database) are eligible since the City code required high-efficiency toilets after that date. Commercial sites built before 2011 are also eligible.
  • You must be a current City of Flagstaff water meter customer.
  • Download a toilet rebate form (PDF)
  • Forms must be filled out completely, signed, and dated. 
  • Submit legible receipts
  • Submit clearly labeled photos of the old and new toilets (installed) 
  • Submit photos of the date stamp inside the tank of the old toilet, or photos of the printed gallon/flush amount on the outside porcelain near the seat cover
  • Submit all application form, receipts, photos, and documentation at 

Rainwater Harvesting Tank Rebate

City of Flagstaff water metered customers can apply for a one-time $100 credit on their utility bill by installing new rainwater harvesting tank(s) that have at least a 1,000-gallon capacity. The tank(s) must have been purchased on or after June 1, 2017. An on-site inspection of the tank(s) by City of Flagstaff water conservation staff is mandatory prior to processing the rebate. Download a rainwater harvesting rebate application and then submit at

Low Water Landscape Program Rebate

Landscape irrigation can be a significant chunk of your water bill during the summer. By removing a grass lawn, you can save both water and money. City of Flagstaff water customers can contact the Water Conservation office at (928) 213-2116 to join the Low Water Landscape Program and see if they qualify for a rebate. 

Low Water Landscape Rebate Policies

If you really want, you can also mail your rebate application and support information to:

City of Flagstaff - Water Services

Water Conservation Rebates
211 W. Aspen Avenue
Flagstaff, AZ 86001

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