Title Definition
In lieu water

"In lieu water" means water that is delivered by a storer to a groundwater savings facility pursuant to permits issued under this chapter and that is used in an active management area or an irrigation non-expansion area by the recipient on a gallon-for-gallon substitute basis for groundwater that otherwise would have been pumped from within that active management area or irrigation non-expansion area.

In Situ Leaching

The extraction of metallic ores using acid leaching of ores that are not moved from their original natural location. 

In Situ Leaching Sites

Those portions of metal mining facilities at which in situ leaching and associated copper recovery operations occur, including surface applications of acid leaching solutions and deep well injection of acid leaching solutions.

Individual User

A person receiving groundwater from a municipal provider for non-irrigation uses to which specific conservation requirements apply, including turf-related facilities, large-scale cooling facilities, and publicly-owned rights-of-way.

Industrial process purposes

Water that is used by an industrial user directly in the creation or manufacture of a product.

Industrial Use

An industrial use is a non-irrigation use of water not supplied by a city, town or private water company, including animal industry use and expanded animal industry use (A.R.S. § 45-561(5)). 

Industrial User

A person who uses water for industrial uses.

Interior Water Use

Non-residential or residential indoor uses of water, including toilet flushing, bathing, drinking, and washing.

Irrigation

To apply water to two or more acres of land to produce plants or parts of plants for sale or human consumption, or as feed for livestock, range livestock, or poultry. A.R.S. § 45-402(23).

Irrigation Distribution System

A system of canals, flumes, pipes, or other works that are owned or operated by an irrigation district or private water company and used to deliver water for irrigation use.

Irrigation non-expansion area (INA)

This is a geographical area which has been designated pursuant to [A.R.S. Title 45, Chapter 2, Article 3] as having insufficient groundwater to provide a reasonable safe supply for the irrigation of the cultivated lands at the current rate of withdrawal.

Established INAs include: The Joseph City, Harquahala, and Douglas INAs. A map of the INAs and their boundaries can be viewed here.

In an INA, only land that has an irrigation authority can be irrigated. Irrigation authorities can be viewed using this map.

Irrigation Water Duty

Definition as prescribed in A.R.S. § 45-567 which, for the 4MP, is the total irrigation requirement to produce the crops historically grown divided by the assigned irrigation efficiency.