ADWR Dictionary

ADWR Dictionary

ADWR Dictionary

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Dairy animal

A lactating cow or a non-lactating animal present at a dairy operation.

Dairy operation

A facility that houses an average of 100 or more lactating cows per day during a calendar year as calculated in section 6-2102.

Dairy wastewater

Any water that has been put to a beneficial use at the dairy operation, including water containing dairy animal wastes.

Decant water

Water removed from the stilling basin of a tailings impoundment either by gravity flow into a decant tower or by pumping. 

Deficit irrigation

The practice of reducing the number of irrigation applications to lower crop production costs while achieving acceptable yields

Designation of Assured Water Supply

A decision and order issued by the director designating a municipal provider as having an assured water supply pursuant to statute and the Assured Water Supply Rules

Direct use effluent

Effluent that is transported directly from a facility regulated pursuant to water quality control statutes, to an end user.  Effluent that is delivered directly from a wastewater treatment facility is included in this definition, while effluent that is recharged is excluded

Direct Use Reclaimed Water

Reclaimed water transported directly from a facility regulated pursuant to Title 49, Chapter 2, Arizona Revised Statutes, to an end user. Direct use reclaimed water does not include reclaimed water that has been stored pursuant to Title 45, Chapter 3.1, Arizona Revised Statutes.

Domestic use

Uses related to the supply, service, and activities of households and private residences and includes the application of water to less than two acres of land to produce plants or part of plants for sale or human consumption, or for use as feed for livestock, range livestock or poultry

Domestic well

A small capacity water production well that is typically used to provide water for domestic purposes

Drinking water standards

Criteria developed by the Arizona Department of Environmental Quality and other state and local agencies, the U.S. Public Health Service, and the U.S. Environmental Protection Agency to assure safe water for human consumption. 

Drought

A sustained natural reduction in precipitation that results in negative impacts to the environment and human activity

Dry lake

A basin that formally contained a lake