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Permit Information

Contact the City of Tucson Planning & Development Services Department at (520) 791-5550 to find out if a permit is needed.

  • A permit is not required to install a passive water harvesting system.
  • A permit is not required to install water tanks supported directly on grade of up to 1,000 gallons regardless of aspect ratio.
  • A permit is not required to install water tanks supported directly on grade between 1,000 gallons and 5,000 gallons when ratio of height to diameter or width does not exceed 2:1.
  • A permit is required to install water tanks exceeding 5,000 gallons.
  • Note that permanently installed electrical/pumping equipment incidental to tanks, regardless of size, shall require a building permit.
  • Any cistern with over a 2:1 (height:width) ratio or any cistern containing more than 5,000 gallons requires structural review and a building permit.
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