Title Definition
Reclaimed Water Recovered Outside the Area of Impact

Reclaimed water that has been stored pursuant to Title 45, Chapter 3.1, Arizona Revised Statutes, and recovered outside the area of impact of storage. For purposes of this definition, “area of impact” has the same meaning as prescribed by A.R.S. § 45-802.01.

Reclaimed Water-Served Cooling Tower

A cooling tower served by a make-up water supply that on an annual average basis consists of 50 percent or more reclaimed water. 

Recoverable amount

"Recoverable amount" means the amount of water, as determined by the director, that will reach the aquifer through water storage.

Registry/Registration

All wells in the state, new and existing, should have a registration number beginning with “55-” followed by six digits. A.R.S. § 45-593(B). For a new well, the registration number is assigned when the Notice of Intent to Drill or Application for a Permit to Drill is received by the Department. For existing wells, the registration is assigned when the Late Registration form is received. To understand how well registration numbers are assigned, read about the Wells 55 Index Numbering System.

Remedial Action Site

a) The site of a remedial action undertaken pursuant to the comprehensive environmental response, compensation, and liability act of 1980, as amended (P.L. 96-510; 94 stat. 2767; 42 US Code section 9601 through 9657), commonly known as "superfund". b)The site of a corrective action undertaken to title 49, chapter 6. c)The site of a voluntary remediation action undertaken pursuant to title49, chapter1,article 5. d)The site of a remedial action undertaken pursuant to title 49, chapter 2, article 5. e)The site of a remedial action undertaken pursuant to the resource conservation & recovery act of 1976 (P.L. 94-580; 90 Stat. 2795; 42 US Code sections 6901 through 6992). f)The site of remedial action undertaken pursuant to the dept. of defense environmental restoration program (P.L. 99-499; 100 Stat. 1719; 10 US Code section 2701). (R12-15-801)

Remedial Groundwater

Groundwater withdrawn pursuant to an approved remedial action project, but does not include groundwater withdrawn to provide an alternative water supply pursuant to A.R.S. § 49-282.03.

Replenishment

"Replenishment" means the storage of water or use of long-term storage credits by a groundwater replenishment district to fulfill its duties under title 48, chapter 27, article 3, by a multi-county water conservation district to fulfill its duties under title 48, chapter 22, article 4 or by an active management area water district to fulfill its duties under title 48, chapter 28, article 7.

Reserve target

"Reserve target" has the same meaning prescribed in section 48-3701.

Residential Customer

A person who is supplied water by a municipal provider for a residential use.

Revegetation Acres

Revegetation acres means acreage within and/or contiguous to a turf-related facility that has been approved by the Director as qualifying for a revegetation allotment addition.

Rock Out Method

Agitating rock inside concrete truck mixer drums for the purpose of cleaning excess concrete from the drums.

Sand and Gravel Facility

A facility that produces sand and gravel and that uses more than 100 ac-ft of water from any source per calendar year. For purposes of this definition, the annual water use shall include all water used by the facility regardless of the nature of the use. 

Seepage water

Water that has infiltrated from tailings impoundments into the material underlying the tailings impoundments. 

Service connection

A coupling of a municipal provider’s distribution system and its customer’s water system.

Shared Well

A shared well may serve up to 14 service connections, or up to 24 residents in an area. Wells that serve 15 or more service connections, or which serve 25 or more residents, on a year-round basis constitute a community water system.

Well sharing agreements are private contracts executed by private parties to govern the manner in which a well provides water to multiple properties. While Arizona water law governs how a well is to be drilled and located, it does not govern the operation or management of a well sharing agreement.

Disputes regarding the terms of, or compliance with, a well sharing agreement are a purely civil matter between the parties to the agreement. Neither ADWR, or any other state agency, has authority to enforce or regulate well sharing agreements, nor may any state agency adjudicate disputes over well sharing agreements or provide legal advice to any party to a well sharing agreement.

Single Well License

A license issued to a person which allows the drilling or modification of a single exempt well on land owned by that person.(R12-15-801)

Special Well Construction or Well Abandonment Requirements

These are well construction or well abandonment requirements or standards that exceed the minimum well construction requirements provided under A.A.C. R12-15-811 and A.A.C. R12-15-816. Special well construction or abandonment requirements are required: 1) where special aquifer conditions, such as those described in A.A.C. R12-15-812, exist; 2) when it is determined that the literal application of the minimum well construction standards would not adequately protect the aquifer or other water users (A.A.C. R12-15-821); and 3) in areas of known or anticipated groundwater contamination to prevent the risk of vertical cross-contamination. A.R.S. § 45-605(E) and A.A.C. R12-15-850.

Specialty Well

A specialty well is usually designed and constructed for a specific purpose other than to withdraw water, or to provide samples or monitoring data. Examples of specialty wells include cathodic protection wells, grounding wells, heat pump wells, etc.

Steam Electric power plant

An industrial facility that produces or is designed to produce more than 25 megawatts of electricity by utilizing the Rankin Steam Cycle in which water is heated, turns into steam and spins a steam turbine which drives an electrical generator.

Stock Watering

The watering of livestock, range livestock or poultry, as such terms are defined in section 3-1201.(R12-15-801)

Stock Well

A well used for stock watering purposes. “Stock watering” means the watering of livestock, range livestock, or poultry, as such terms are defined in section 3-1201. A.R.S. § 45-454(M3).

Storage facility

"Storage facility" means a groundwater savings facility or an underground storage facility.

Stored water

"Stored water" means water that has been stored or saved underground pursuant to a storage permit issued under this chapter.

Storer

"Storer" means the holder of a water storage permit issued pursuant to section 45-831.01 or a person to whom a water storage permit has been conveyed pursuant to section 45-831.01, subsection F.

Subsidence

The settling or lowering of the surface of land which results from the withdrawal of groundwater. A.R.S. § 45-402(36). Read more about land subsidence here.