Metro Water District

District Information

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Metro Main Service Area – 17,667 active customers or connections
Metro Main is Metro Water District's original service area. It covers a 23 square mile area in the northwest metropolitan Tucson area between Lambert Lane to the north and River Road to the south, with Thornydale Road on the west and First Avenue and Oracle Road to the east.
The District has taken great strides to connect the various small service areas that comprised the District's original system to make one comprehensive, reliable water system. Today, Metro Main has 26 active wells with 11 million gallons of storage capacity divided among various storage facilities. The Herb Johnson Reservoir (5 million gallons), the James M. Tripp Reservoir (5 million gallons) and the Magee/La Cholla Reservoir (1.2 million gallons) are the primary storage facilities.
Metro Hub Service Area – 1,652 active customers or connections
This service area in the northeast Tucson area was acquired in 1999 from the Hub Water Company. There are 5 wells with two tanks providing a combined 436,000 gallons of storage.
Metro Southwest Service Area – 1,881 active customers or connections
This service area is comprised of three separate service areas in the southwest Tucson area, which were acquired in 2009 from Thim Water Utilities. One of the service areas, formerly served by the Diablo Water Company, is located on Ajo Highway near Ryan Airfield. The second service area, formerly served by the E&T Water Company, is located near Nogales Highway and Nogales Old Vail Connection Road. The third service area known as Lazy B is located off of San Joaquin Road north of Bopp Road. The Diablo Village service area is a new development area with growth potential while the E&T and Lazy B service areas are mostly built-out and substantial growth in not anticipated.
Metro West Service Area – 1,850 new customers or connections are anticipated in the future. This service area is west of the Marana Airport and was annexed into the District in 2005. The developer of Arboles Viejos subdivision requested to receive service from the District rather than other providers in the area. There are no customers presently served in Metro West and development is not anticipated to begin for 5-10 years.



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  • © Metropolitan Domestic Water Improvement District
  • 6265 N. La Cañada, Tucson, Arizona 85704
  • 520-575-8100 (office)
  • 520-575-8454 (fax)

Office hours: Monday – Thursday 7:30am - 5:30pm and Friday 7:30am - 12 noon