Arizona 2025 2025 Regular Session

Arizona House Bill HB2203 Comm Sub / Analysis

Filed 04/15/2025

                      	HB 2203 
Initials CW 	Page 1 	Senate Engrossed 
 
ARIZONA HOUSE OF REPRESENTATIVES 
Fifty-seventh Legislature 
First Regular Session 
House: NREW DP 5-4-1-0 | 3
rd
 Read DP 32-27-1-0  
Senate: NR DP 5-2-1-0 | 3
rd
 Read DPA 16-14-0-0 
 
HB 2203: historical water use; subsequent AMA 
Sponsor: Representative Griffin, LD 19 
Senate Engrossed   
Overview 
Extends the time period that is used when determining eligibility for continued groundwater 
use or volume of groundwater use for in a subsequent active management area (AMA).  
History 
After the initiation of the procedures for designating a subsequent AMA or for the call of an 
election to establish an AMA an irrigation user is only permitted to irrigate on land that was 
irrigated at any time during the five years preceding the beginning of the designation process. 
This limitation exists until either the Director of  the Department of Water Resources 
(ADWR) makes a final determination or the results of the election to establish the AMA are 
certified (A.R.S. § 45-416). 
Type 1 non-irrigation grandfathered rights are associated with retired irrigated land and in 
a subsequent AMA have the right to withdraw the lesser of three acre-feet per acre per year 
or the average annual amount of groundwater used per acre during the five years prior to 
when the land was retired (A.R.S. § 45-463). 
A person who owns land from which groundwater was being withdrawn and used for non-
irrigation purposes as of the date of AMA designation can have a Type 2 non-irrigation 
grandfathered right which can look at the five years preceding the designation to determine 
the right to withdraw (A.R.S. § 45-464). 
Provisions 
1. Increases the number of years prior to a designation of a subsequent AMA that are used 
to determine eligibility for both irrigation and non-irrigation groundwater rights from 
five years to ten years. (Sec. 1,2, 3, 4, 5, 6 and 7) 
2. Makes technical and conforming changes. (Sec. 1, 2, 3, 4, 5, 6 and 7) 
3. Contains a retroactivity clause of August 30, 2022. (Sec. 8) 
Senate Amendments 
1. Clarifies that a person who owned land that was legally irrigated in whole or in part with 
groundwater at any point in the ten years preceding initiation of a subsequent AMA has 
the right to use groundwater for the irrigation of such land. (Sec. 6) 
☐ Prop 105 (45 votes)     ☐ Prop 108 (40 votes)      ☐ Emergency (40 votes) ☐ Fiscal Note