The Tucson area lies in the Tucson Active Management Area, and while the city itself is largely on utility water, homes on the desert edges of Pima County often depend on private wells. The same Arizona rules apply as up north: wells are registered with the Arizona Department of Water Resources, and household wells are usually exempt wells with pumps of 35 gallons per minute or less.
Conditions change quickly from the valley floor to the foothills. A well in deep basin fill behaves differently from one drilled into fractured rock near the mountains, where yields can be low and storage tanks with booster pumps are common. Knowing your well’s yield is the first step to sizing the pump and tank.
Water quality varies too. Arsenic, fluoride and hardness all occur naturally in parts of southern Arizona’s groundwater. Since no agency tests a private well, a certified lab test is the way to find out what’s in yours before choosing filtration.
Tucson area questions
Asked around Tucson area.
My Tucson-area well is low-yield. What are my options?
A common fix is a storage tank that the well fills slowly, with a booster pump and pressure tank supplying the house. A yield test tells us how much the well can deliver so the system is sized right.
Who regulates private wells around Tucson?
The Arizona Department of Water Resources registers wells and licenses well drillers. Water quality in a private well is the owner’s responsibility, and the Arizona Department of Environmental Quality publishes guidance for well owners.
Do you come to Tucson from Casa Grande?
Yes. Tucson and its surrounding areas are part of our service area. Call (520) 836-4733 or (480) 818-1963 to set up a visit.
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No water? Check the pump breaker once. If it trips again, leave it off and call. Never open the pressure switch or control box: 240 volts.