Abbreviation for Arizona Administrative Code.

Abbreviation for Arizona Revised Statutes.

Abandoned tailings impoundment means a tailings impoundment that the owner/operator of a metal mining facility does not plan to use for additional disposal of tailings.

Well abandonment is accomplished “through filling or sealing the well so as to prevent the well, including the annular space outside the casing, from being a channel allowing the vertical movement of water.” A.A.C. R12-15-816(G). Wells that are capped and not in use are not considered abandoned.

The volume of water required to cover 1 acre to a depth of 1 foot and is equal to 43,560 cubic feet or 325,851 gallons. In Arizona, 1 acre-foot is typically enough water to serve 3 single-family homes for a year.

This is a geographical area which has been designated pursuant to [A.R.S. Title 45, Chapter 2, Article 2] as requiring active management of groundwater or, in the case of the Santa Cruz Active Management Area, active management of any water, other than stored water, withdrawn from a well. A.R.S. § 45-402(2). Established Active Management Areas (AMAs) include: The Phoenix, Pinal, Prescott, Tucson, and Santa Cruz AMAs. A map of the AMAs and their boundaries can be viewed here. Wells drilled in AMAs are subject to stricter regulations. 

The space between the outer well casing and the borehole wall. Also means the space between the inner and outer well casing. A.A.C. R12-15-801(1).

(1) Recharge - Aquifer definition since it is specific to the Recharge Program. It should read: "Aquifer" means a geologic formation that contains sufficient saturated material to be capable of storing water and transmitting water in usable quantities to a well, pursuant to A.R.S. 45-802.01.

(2) Permitting and Wells - An underground formation capable of yielding or transmitting usable quantities of water. A.A.C. R12-15-801(2).

"Area of impact" means, as projected on the land surface, the area where the stored water has migrated or is located.

An aquifer which is overlain by a confining formation and which contains groundwater under sufficient
pressure for the water to rise above the top of the aquifer. A.A.C. R12-15-801(3).

The irrigation efficiency used to compute an irrigation water duty for the fourth management period pursuant to A.R.S. §§ 45-567 and 45-567.02. 

Augmentation means supplementing the water supply of an active management area and may include the importation of water into the active management area or storage of water pursuant to laws relating to underground water storage set forth at A.R.S. § 45-801.01 et seq. 

A colloidal clay composed mainly of sodium montmorillonite, a hydrated aluminum silicate. A.A.C. R12-
15-801(5).

Water discharged from a cooling tower recirculating water stream to control the buildup of minerals or other impurities in the recirculating water. 

A constructed body of water or interconnected bodies of water, including a lake, pond, lagoon, or swimming pool, that has a surface area greater than 12,320 square feet when full and that is filled or refilled primarily for landscape, scenic, recreational purposes, or regulatory storage.

(Pronounced “Ka-Dah-Strel”). This refers to a rectangular coordinate system that is used to map much of Arizona. Arizona is divided into four unequal quadrants (A, B, C, D), with a north-south line called meridian and an east-west line called baseline. The northeast quadrant is “A”, the northwest “B”, the southwest “C”, and the southeast “D”.

From here, each quadrant is subdivided into Townships (capital “T”). Each Township is defined by a township (lowercase “T”) north or south of baseline and a range east or west of meridian.

Regularly sized Townships consist of 36 sections. Each section in a regularly sized Township is 1 square mile, or 640 acres in size. Each 640-acre section is then divided into four 160-acre quarters. Each 160-acre quarter is then subdivided into four 40-acre quarters, and each 40-acre quarter is subdivided into four 10-acre quarters.

On our wells 55 map, wells are plotted to the nearest 10-acre quarter or section, rather than the exact, physical location. For more information regarding the cadastral system, please view this pamphlet.

A waterway constructed for the purpose of transporting water to a point of delivery, including main canals and lateral canals.

A tamper-resistant, watertight steel plate of at least one-quarter inch thickness on the top of all inside and outside casings of a well. A.A.C. R12-15-801(6).

The tubing or pipe installed in the borehole during or after drilling to support the sides of the well and

prevent caving. A.A.C. R12-15-801(7).

Conservation Efforts Report required to be filed by a large municipal provider regulated under the Non-Per Capita Conservation Program as provided in Section 5-705(E).

"CERCLA" means the comprehensive environmental response, compensation, and liability act of 1980, as amended (P.L. 96-510; 94 Stat. 2767; 42 United States Code sections 9601 through 9657), commonly known as "superfund".

An industrial facility that produces or is designed to produce more than 25 megawatts of electricity by utilizing an internal combustion engine in which the expanding gases from the combustion chamber drive the blades of a turbine which turns a generator to produce electricity.

An area or areas owned and operated as a single integrated facility and used for recreational or open space purposes. A common area is maintained for the benefit of the residents of a housing development.

Community water systems are any system that serves 15 or more service connections, or which serves 25 or more residents, on a year-round basis. They are subject to water quality standards and more stringent reporting requirements A.R.S. §§ 45 341 to 343. Community water systems are also regulated by the Arizona Department of Environmental Quality.

This is a location included in the federal government’s "Superfund" program, which investigates sites that are contaminated with hazardous substances. The Superfund program develops remedial actions that assure the protection of public health and welfare and the environment. The CERCLA program is administered by the United States Environmental Protection Agency (USEPA). The CERCLA Act of 1980 is authorized by P.L. 96-510; 94 Stat. 2767; 42 United States Code §§ 9601 through 9657. A.R.S. § 49-201(4).