California 2025-2026 Regular Session

California Assembly Bill AB2521

Introduced
2/20/26  
Refer
3/19/26  
Report Pass
3/19/26  
Refer
3/23/26  
Report Pass
4/15/26  
Refer
4/16/26  
Report Pass
4/23/26  
Refer
4/23/26  
Refer
5/6/26  
Report Pass
5/14/26  
Engrossed
5/27/26  

Caption

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

Impact

The bill aligns with the existing Sustainable Groundwater Management Act, which governs the management of high- and medium-priority groundwater basins. By adding a formal process for conducting water availability studies, AB2521 aims to enhance data-driven decision-making related to groundwater use. The legislation emphasizes utilizing the best available science in formulating water management policies, which could lead to more sustainable practices in groundwater extraction and usage, ultimately benefiting both environmental conditions and local communities reliant on these water supplies.

Summary

Assembly Bill 2521, introduced by Assembly Member Papan, aims to address groundwater management in California, specifically focusing on the Central Valley. The bill mandates the California Department of Water Resources to select two watersheds within the Central Valley to conduct a comprehensive water availability study. This study is intended to gather crucial data on daily flow rates in local rivers and streams over the past 30 years, which will inform future applications for permits regarding water diversion for underground storage. The intent is for this analysis to streamline the process for granting temporary or standard permits while ensuring sustainability amid ongoing water scarcity challenges.

Sentiment

There is a broadly positive sentiment surrounding AB2521 among supporters who view it as a necessary step towards addressing the pressing issue of groundwater depletion in the state. Advocates argue that the legislation promotes responsible water use and contributes to regional planning efforts. However, there are concerns from some local stakeholders who fear that the centralized focus on water availability studies might not adequately consider the unique needs of individual communities within the Central Valley, potentially leading to conflicts over water rights and management practices.

Contention

A notable point of contention regarding AB2521 may arise from whether local jurisdictions will have adequate input in the water management strategy. While the bill seeks to establish a clearer framework for water usage and availability, stakeholders may contest aspects of the study's methodology or the extent to which local knowledge and practices are integrated into the decision-making process. The balance between state oversight versus local autonomy in groundwater management remains a critical debate as California navigates its water-related challenges.

Companion Bills

No companion bills found.

Previously Filed As

CA SB1183

Large-scale solar: Central Valley: study.

CA SB895

California Science and Health Research Bond Act.

CA SB607

University of California: California Institutes for Science and Innovation.

CA AB1786

Public contracts: best value construction contracting for counties, cities, and the San Gabriel Valley Council of Governments.

CA SB1558

Water technology study committee

CA AB1598

Behavioral sciences.

CA AB362

Water policy: California tribal communities.

CA AB1504

California Massage Therapy Council.

CA AB1098

California Education Interagency Council.

CA AB263

Scott River: Shasta River: watersheds.

Similar Bills

No similar bills found.