California 2025-2026 Regular Session

California Assembly Bill AB263

Introduced
1/16/25  
Refer
2/10/25  
Report Pass
4/9/25  
Refer
4/21/25  
Report Pass
4/23/25  
Engrossed
5/5/25  
Refer
5/6/25  
Refer
5/14/25  
Report Pass
6/2/25  
Refer
6/2/25  
Report Pass
6/10/25  
Refer
6/11/25  
Enrolled
9/10/25  
Enrolled
9/10/25  
Chaptered
9/26/25  
Passed
9/26/25  

Caption

An act to amend Section 1058.5 of the Water Code, relating to water.

Impact

The legislation represents a significant step toward establishing long-term legal protections for the Scott River and Shasta River, which have historically suffered from low water levels detrimental to salmon populations. It acknowledges the unique context of these watersheds and asserts the need for a specialized approach when it comes to managing water in light of ongoing environmental shifts. This could reshape state water policy and may set precedents for future legislative efforts aimed at aquatic ecosystem recovery and resilience.

Summary

Assembly Bill 263, also known as the Scott River and Shasta River Watersheds amendment, focuses on water conservation efforts in light of increasing drought conditions exacerbated by climate change. The bill seeks to provide that emergency regulations established by the State Water Resources Control Board will be effective until January 1, 2031, or until permanent rules are specified for instream flow requirements in these watersheds. By enhancing the current regulations, the bill aims to ensure sustainable water usage, mitigate potential environmental crises, and protect vital fish populations that are crucial to California's ecosystem and economy.

Sentiment

The sentiment around AB 263 is mixed, with a notable consensus on the urgency of addressing California's water crisis. Supporters, including environmental advocates and conservationists, laud the bill’s proactive measures for ecological preservation and its potential to revitalize salmon populations essential for both biodiversity and the economy. Conversely, concerns have been raised regarding the implications for agricultural water rights and local water governance, as stakeholders may fear the prioritization of environmental considerations could impact their livelihoods.

Contention

Notable points of contention regarding AB 263 revolve around the emergency powers conferred to the State Water Resources Control Board. The ability of the board to enforce restrictions on water use during declared emergencies, without judicial review, could lead to conflicts with local water users. Additionally, there may be apprehension among agricultural interests regarding the balance between necessary conservation efforts and their operational water needs, potentially invoking a debate over water rights and resource allocation.

Companion Bills

No companion bills found.

Previously Filed As

CA SB599

An act to amend Section 347 of the Water Code, relating to atmospheric rivers.

CA AB1129

An act to amend Sections 103825, 103835, 103840, 103845, 103850, 103855, 124977, 124991, and 125002 of, and to add Sections 103827 and 103832 to, the Health and Safety Code, relating to public health.

CA HB0311

Watershed Amendments

CA HB215

Working to Advance Tangible and Effective Reforms for California Act or the WATER for California Act This bill addresses the operation of the Central Valley Project (CVP), a federal water project in California owned and operated by the Bureau of Reclamation, and the California State Water Project (SWP), which is operated jointly with the CVP. Specifically, the bill requires that Reclamation operate the CVP and SWP pursuant to a specified alternative to a proposed action in a final environmental impact statement and 2019 agency published Biological Opinions (BiOps). The bill also requires Reclamation and the Department of Commerce to submit a justification to Congress that meets certain requirements prior to requesting or completing a reinitiation of consultation that will result in new BiOps. This bill also requires Reclamation to allocate water to existing agricultural water service contractors within the CVP's Sacramento River Watershed based on the water year type (e.g., dry, wet). These allocations must not affect the United States' ability or obligations to deliver water under other designated contracts. Further, the bill repeals certain eligibility requirements for water infrastructure construction funding under the Infrastructure Investment and Jobs Act to make the Shasta Dam and Reservoir Enlargement Project in California eligible for funding. The bill also requires that Reclamation funds made available but not used for this project in previous appropriations years be made available to the project. Finally, the bill reauthorizes Reclamation's support for the construction or expansion of water storage projects.

CA AB1146

An act to amend Section 6425 of, and to add Sections 6033 and 6034 to, to the Water Code, relating to dams and reservoirs.

CA AB990

An act to amend Section 116460 of the Health and Safety Code, relating to drinking water.

CA AB514

Water: emergency water supplies.

CA SB72

An act to amend Sections 10004.

CA HB589

A BILL to amend and reenact § 62.1-44.38 of the Code of Virginia, relating to certain data from water users; water use consumption of data centers.

CA SB1386

watershed health; survey; use

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