CALIFORNIA LEGISLATURE 20252026 REGULAR SESSION Assembly Bill No. 1413Introduced by Assembly Member PapanFebruary 21, 2025 An act relating to groundwater.LEGISLATIVE COUNSEL'S DIGESTAB 1413, as introduced, Papan. Groundwater adjudication.Existing law, the Sustainable Groundwater Management Act, requires all groundwater basins designated as high- or medium-priority basins by the Department of Water Resources to be managed under a groundwater sustainability plan or coordinated groundwater sustainability plans, except as specified. Existing law authorizes any local agency or combination of local agencies overlying a groundwater basin to decide to become a groundwater sustainability agency for that basin and imposes specified duties upon that agency or combination of agencies, as provided.Existing law establishes various methods and procedures for a comprehensive adjudication of groundwater rights in civil court.This bill would state that it is the intent of the Legislature to enact subsequent legislation that would establish a deferential standard for groundwater sustainability plans in a groundwater adjudication and consolidate challenges to a groundwater sustainability plan and a groundwater adjudication when both occur in the same basin.Digest Key Vote: MAJORITY Appropriation: NO Fiscal Committee: NO Local Program: NO Bill TextThe people of the State of California do enact as follows:SECTION 1. It is the intent of the Legislature to enact subsequent legislation that would establish a deferential standard for groundwater sustainability plans in a groundwater adjudication and consolidate challenges to a groundwater sustainability plan and a groundwater adjudication when both occur in the same basin. CALIFORNIA LEGISLATURE 20252026 REGULAR SESSION Assembly Bill No. 1413Introduced by Assembly Member PapanFebruary 21, 2025 An act relating to groundwater.LEGISLATIVE COUNSEL'S DIGESTAB 1413, as introduced, Papan. Groundwater adjudication.Existing law, the Sustainable Groundwater Management Act, requires all groundwater basins designated as high- or medium-priority basins by the Department of Water Resources to be managed under a groundwater sustainability plan or coordinated groundwater sustainability plans, except as specified. Existing law authorizes any local agency or combination of local agencies overlying a groundwater basin to decide to become a groundwater sustainability agency for that basin and imposes specified duties upon that agency or combination of agencies, as provided.Existing law establishes various methods and procedures for a comprehensive adjudication of groundwater rights in civil court.This bill would state that it is the intent of the Legislature to enact subsequent legislation that would establish a deferential standard for groundwater sustainability plans in a groundwater adjudication and consolidate challenges to a groundwater sustainability plan and a groundwater adjudication when both occur in the same basin.Digest Key Vote: MAJORITY Appropriation: NO Fiscal Committee: NO Local Program: NO CALIFORNIA LEGISLATURE 20252026 REGULAR SESSION Assembly Bill No. 1413 Introduced by Assembly Member PapanFebruary 21, 2025 Introduced by Assembly Member Papan February 21, 2025 An act relating to groundwater. LEGISLATIVE COUNSEL'S DIGEST ## LEGISLATIVE COUNSEL'S DIGEST AB 1413, as introduced, Papan. Groundwater adjudication. Existing law, the Sustainable Groundwater Management Act, requires all groundwater basins designated as high- or medium-priority basins by the Department of Water Resources to be managed under a groundwater sustainability plan or coordinated groundwater sustainability plans, except as specified. Existing law authorizes any local agency or combination of local agencies overlying a groundwater basin to decide to become a groundwater sustainability agency for that basin and imposes specified duties upon that agency or combination of agencies, as provided.Existing law establishes various methods and procedures for a comprehensive adjudication of groundwater rights in civil court.This bill would state that it is the intent of the Legislature to enact subsequent legislation that would establish a deferential standard for groundwater sustainability plans in a groundwater adjudication and consolidate challenges to a groundwater sustainability plan and a groundwater adjudication when both occur in the same basin. Existing law, the Sustainable Groundwater Management Act, requires all groundwater basins designated as high- or medium-priority basins by the Department of Water Resources to be managed under a groundwater sustainability plan or coordinated groundwater sustainability plans, except as specified. Existing law authorizes any local agency or combination of local agencies overlying a groundwater basin to decide to become a groundwater sustainability agency for that basin and imposes specified duties upon that agency or combination of agencies, as provided. Existing law establishes various methods and procedures for a comprehensive adjudication of groundwater rights in civil court. This bill would state that it is the intent of the Legislature to enact subsequent legislation that would establish a deferential standard for groundwater sustainability plans in a groundwater adjudication and consolidate challenges to a groundwater sustainability plan and a groundwater adjudication when both occur in the same basin. ## Digest Key ## Bill Text The people of the State of California do enact as follows:SECTION 1. It is the intent of the Legislature to enact subsequent legislation that would establish a deferential standard for groundwater sustainability plans in a groundwater adjudication and consolidate challenges to a groundwater sustainability plan and a groundwater adjudication when both occur in the same basin. The people of the State of California do enact as follows: ## The people of the State of California do enact as follows: SECTION 1. It is the intent of the Legislature to enact subsequent legislation that would establish a deferential standard for groundwater sustainability plans in a groundwater adjudication and consolidate challenges to a groundwater sustainability plan and a groundwater adjudication when both occur in the same basin. SECTION 1. It is the intent of the Legislature to enact subsequent legislation that would establish a deferential standard for groundwater sustainability plans in a groundwater adjudication and consolidate challenges to a groundwater sustainability plan and a groundwater adjudication when both occur in the same basin. SECTION 1. It is the intent of the Legislature to enact subsequent legislation that would establish a deferential standard for groundwater sustainability plans in a groundwater adjudication and consolidate challenges to a groundwater sustainability plan and a groundwater adjudication when both occur in the same basin. ### SECTION 1.