California 2025-2026 Regular Session

California Assembly Bill AB639

Introduced
2/13/25  
Refer
2/24/25  
Report Pass
3/27/25  
Refer
4/1/25  
Report Pass
4/9/25  
Engrossed
4/21/25  
Refer
4/21/25  
Refer
5/7/25  
Report Pass
6/10/25  
Refer
6/11/25  
Enrolled
9/4/25  
Enrolled
9/4/25  
Chaptered
10/11/25  

Caption

Dams: exceptions.

Impact

The passage of AB 639 could significantly impact local water regulation practices by exempting specific weirs from being classified as dams. This change would allow for more flexible management of these structures, potentially easing regulatory burdens under the oversight of the Department of Water Resources. The bill caters to particular weirs such as the Peoples Weir and others specified within the legislation, thus tailoring the regulation to local needs while remaining consistent with federal standards.

Summary

Assembly Bill 639, introduced by Assemblymember Soria, aims to amend the California Water Code, specifically Section 6003, concerning the definition and regulation of dams. The bill adds exclusions to what constitutes a dam, specifically addressing barriers that do not impound water above a levee and have certain freeboard and capacity specifications. This legislative change is designed to provide clarity in the management of water barriers, particularly weirs that are part of a federal flood control system.

Sentiment

General sentiments around AB 639 appear to be supportive, as it seeks to clarify the regulatory framework affecting essential water infrastructure. The bill passed through legislative scrutiny without opposition, suggesting a consensus on the importance of enabling effective water management practices while ensuring public safety standards are upheld. Stakeholders involved in water management and agricultural operations seem to view this legislative move favorably.

Contention

While there was strong support for AB 639, potential points of contention might arise regarding local interpretations of the amendments and the necessity of preserving oversight in managing water bodies. Critics could argue that any exemptions risk under-regulating safety measures associated with water control structures. However, the focus on specific weirs and their distinct functionality as part of flood control systems indicates a balanced approach to governance aimed at meeting both practical operational needs and regulatory safety standards.

Companion Bills

No companion bills found.

Previously Filed As

CA AB915

Dam safety: state supervision: exceptions.

CA SB378

Dam Safety Program; Emergency Management Agency required to administer, agency approval of participating dam construction, modification, or removal required

CA AB707

San Luis and Delta-Mendota Water Authority: B.F. Sisk Dam Raise and Reservoir Expansion Project.

CA SB260

Unmanned aircraft.

CA AB269

Dam Safety and Climate Resilience Local Assistance Program.

CA H1089

Waste Facilities

CA HB2090

Acting in concert; evidence; exceptions

CA AB2026

Water diversion: groundwater recharge: permit.

CA SB599

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

CA H6003

Recovery of Damages for Medical Negligence Resulting in Death

Similar Bills

No similar bills found.