Arizona 2026 Regular Session

Arizona House Bill HB2101

Introduced
1/12/26  
Report Pass
2/10/26  
Report Pass
2/16/26  

Caption

Supply and demand; assessment; groundwater

Impact

The bill seeks to create periodic water supply and demand assessments for Arizona’s groundwater basins, to be conducted at least once every five years. This aspect is particularly crucial as it will help measure changes in water levels and forecast future water availability, which is essential for informed decision-making regarding water use and conservation practices. Moreover, it assigns responsibilities to the director for not just managing water resources but also engaging in investigations and studies related to water quality and sustainability, thus aiming to improve the overall management of Arizona's vital water supplies.

Summary

House Bill 2101 addresses the management of Arizona's groundwater resources by amending Section 45-105 of the Arizona Revised Statutes. This amendment will empower the director of the Department of Water Resources to formulate practical plans and programs for the economical use, conservation, and management of both surface water and groundwater, as well as to disclose important data regarding water resources within the state. It emphasizes a comprehensive approach to managing water resources, which includes aspects like water quality, usage, and the coordination with federal and local entities to optimize water management in Arizona.

Sentiment

The sentiment surrounding HB 2101 generally leans towards a proactive approach to water conservation and management. Legislators and water management professionals have expressed support for strengthening Arizona's capabilities to assess and respond to water-related issues, especially considering the increasing pressures of climate change and drought. However, there may be underlying concerns among community members regarding the regulation of water usage and potential restrictions that could arise from enhanced assessments and legislative powers granted to state authorities.

Contention

One notable point of contention within the discussions around this bill may center on the balance between state oversight and local governance of water resources. Critics may argue that increasing the powers of the director could lead to over-regulation and diminish community input in local water management practices. Proponents, however, view these measures as essential for establishing a coherent and cohesive water management strategy that can adapt to the growing challenges faced by Arizona’s water resources in the context of ongoing drought conditions.

Companion Bills

No companion bills found.

Previously Filed As

AZ HB2271

Supply and demand; assessment; groundwater

AZ SB1611

Groundwater savings credit; ADWR

AZ HB2298

Groundwater savings credit; ADWR

AZ HB2572

Subsequent AMAs; groundwater rights; adequacy

AZ SB1393

Groundwater replenishments; Pinal AMA

AZ HCM2003

Stormwater; groundwater; recharge; urging support

AZ SB1520

Rural groundwater

AZ HB2753

Groundwater replenishment; Pinal AMA

AZ HB2204

Assured water supply; commingling

AZ HB2691

Groundwater replenishment districts; annual dues

Similar Bills

CA AB709

Sustainable Groundwater Management Act: groundwater sustainability plans.

CA AB929

An act to amend Section 10721 of, and to amend, repeal, and add Sections 10726.

CA AB2521

California Council on Science and Technology: water availability study: Central Valley.

AZ SB1520

Rural groundwater

CA AB1413

An act to amend Sections 832, 834, 838, 849, and 850 of the Code of Civil Procedure, and to amend Sections 10726.

CA AB1466

Groundwater adjudication.

AZ HB2758

McMullen Valley; eligible entities; groundwater

CA AB1044

Tule East Groundwater Sustainability Agency Act.