Title Definition
Reasonable and Beneficial Use

"Beneficial uses" includes irrigation, stock watering, industrial, mining, domestic, and many other uses. The use of groundwater must be "reasonable" and A.R.S. 45-602 states that "Groundwater which has been withdrawn shall not be allowed to waste." Flowing wells must be capped if the groundwater is not being put to use, and wells, pumps, and piping must be "constructed and maintained so as to prevent the waste of groundwater."

Recipient

"Recipient" means a person who receives in lieu water for use at a groundwater savings facility.

Reclaimed water

Definition as effluent in A.R.S. § 45-101.

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.