A. The director may designate an area which is not included within an initial active management area, pursuant to section 45-411, as a subsequent active management area if the director determines that any of the following exists:
1. Active management practices are necessary to preserve the existing supply of groundwater for future needs.
2. Land subsidence or fissuring is endangering property or potential groundwater storage capacity.
3. Use of groundwater is resulting in actual or threatened water quality degradation.
B. An active management area designated pursuant to this section may include more than one groundwater basin but shall not be smaller than a groundwater basin or include only a portion of a groundwater basin, except for the regional aquifer systems of northern Arizona.
C. The director shall periodically review all areas which are not included within an active management area to determine whether such areas meet any of the criteria for active management areas as prescribed in this section.
Notes of Decisions
Town of Chino Valley v. City of Prescott, 638 P.2d 1324 (Ariz. 1981).
· cites it 2× “A.R.S. § 45-412(B). Groundwater basins are areas designated as enclosing a relatively hydrologically distinct body or related bodies of groundwater.”
Cherry v. Steiner, 543 F. Supp. 1270 (D. Ariz. 1982).
“§ 45-412(B). The Code established four initial AMA’s: Tuscon, Phoenix, Prescott, and Pinal.”
Seven Springs Ranch, Inc. v. State Ex Rel. Arizona Dep't of Water Resources, 753 P.2d 161 (Ariz. Ct. App. 1987).
· cites it 2× “The ranchers can request and present evidence to the Department in support of the creation of subsequent active management areas, A.R.S. § 45-412, and/or take steps to comply with the provisions of § 45-415 which permits local residents in Apache County to initiate an active…”
Ctr. for Biological v. Hobbs (Ariz. Ct. App. 2026).
· cites it 19× “¶17 Plaintiffs assert that the Groundwater Code gives the Department sole authority to review an area for the active management criteria, so the Department’s failure to review the Basin more frequently renders the duty imposed by § 45-412 meaningless and frustrates legislative…”
— Ariz. Rev. Stat. § 45-412(A) — 1 case
Ctr. for Biological v. Hobbs (Ariz. Ct. App. 2026).
“¶17 Plaintiffs assert that the Groundwater Code gives the Department sole authority to review an area for the active management criteria, so the Department’s failure to review the Basin more frequently renders the duty imposed by § 45-412 meaningless and frustrates legislative…”
— Ariz. Rev. Stat. § 45-412(B) — 2 cases
Town of Chino Valley v. City of Prescott, 638 P.2d 1324 (Ariz. 1981).
“A.R.S. § 45-412(B). Groundwater basins are areas designated as enclosing a relatively hydrologically distinct body or related bodies of groundwater.”
Cherry v. Steiner, 543 F. Supp. 1270 (D. Ariz. 1982).
“§ 45-412(B). The Code established four initial AMA’s: Tuscon, Phoenix, Prescott, and Pinal.”
— Ariz. Rev. Stat. § 45-412(C) — 1 case
Ctr. for Biological v. Hobbs (Ariz. Ct. App. 2026).
“¶17 Plaintiffs assert that the Groundwater Code gives the Department sole authority to review an area for the active management criteria, so the Department’s failure to review the Basin more frequently renders the duty imposed by § 45-412 meaningless and frustrates legislative…”
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