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Measure AB 1413
Authors Papan  
Coauthors: Bennett   Hart  
Subject Sustainable Groundwater Management Act: groundwater adjudication.
Relating To relating to groundwater.
Title An act to amend Sections 832, 834, 838, 849, and 850 of the Code of Civil Procedure, and to amend Sections 10726.6, 10728.2, 10737.2, and 10737.8 of the Water Code, relating to groundwater.
Last Action Dt 2025-09-02
State Amended Senate
Status In Floor Process
Active? Y
Vote Required Majority
Appropriation No
Fiscal Committee Yes
Local Program Yes
Substantive Changes None
Urgency No
Tax Levy No
Leginfo Link Bill
Actions
2025-09-09     Ordered to inactive file at the request of Senator Wahab.
2025-09-03     Read second time. Ordered to third reading.
2025-09-02     Read second time and amended. Ordered returned to second reading.
2025-09-02     From committee: Amend, and do pass as amended. (Ayes 5. Noes 2.) (August 29).
2025-08-25     In committee: Referred to suspense file.
2025-08-13     In committee: Hearing postponed by committee.
2025-07-17     Read second time and amended. Re-referred to Com. on APPR.
2025-07-17     From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 10. Noes 3.) (July 15).
2025-07-09     From committee: Do pass and re-refer to Com. on JUD. (Ayes 4. Noes 3.) (July 8). Re-referred to Com. on JUD.
2025-06-30     From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on N.R. & W.
2025-06-18     Referred to Coms. on N.R. & W. and JUD.
2025-06-04     In Senate. Read first time. To Com. on RLS. for assignment.
2025-06-03     Read third time. Passed. Ordered to the Senate. (Ayes 45. Noes 21. Page 2021.)
2025-05-15     Read second time. Ordered to third reading.
2025-05-14     From committee: Do pass. (Ayes 10. Noes 4.) (May 14).
2025-04-30     From committee: Do pass and re-refer to Com. on APPR. (Ayes 8. Noes 3.) (April 29). Re-referred to Com. on APPR.
2025-04-22     In committee: Hearing postponed by committee.
2025-04-21     Re-referred to Com. on JUD.
2025-04-10     Read second time and amended.
2025-04-09     From committee: Amend, and do pass as amended and re-refer to Com. on JUD. (Ayes 9. Noes 4.) (April 8).
2025-03-25     Re-referred to Com. on W. P., & W.
2025-03-24     From committee chair, with author's amendments: Amend, and re-refer to Com. on W. P., & W. Read second time and amended.
2025-03-24     Referred to Coms. on W. P., & W. and JUD.
2025-02-24     Read first time.
2025-02-22     From printer. May be heard in committee March 24.
2025-02-21     Introduced. To print.
Keywords
Tags
Versions
Amended Senate     2025-09-02
Amended Senate     2025-07-17
Amended Senate     2025-06-30
Amended Assembly     2025-04-10
Amended Assembly     2025-03-24
Introduced     2025-02-21
Last Version Text
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		<ns0:AuthorText authorType="LEAD_AUTHOR">Introduced by Assembly Member Papan</ns0:AuthorText>
		<ns0:AuthorText authorType="COAUTHOR_ORIGINATING">(Coauthors: Assembly Members Bennett and Hart)</ns0:AuthorText>
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				<ns0:Name>Papan</ns0:Name>
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				<ns0:Name>Bennett</ns0:Name>
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				<ns0:Name>Hart</ns0:Name>
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		<ns0:Title> An act to amend Sections 832, 834, 838, 849, and 850 of the Code of Civil Procedure, and to amend Sections 10726.6, 10728.2, 10737.2, and 10737.8 of the Water Code, relating to groundwater.</ns0:Title>
		<ns0:RelatingClause>groundwater</ns0:RelatingClause>
		<ns0:GeneralSubject>
			<ns0:Subject>Sustainable Groundwater Management Act: groundwater adjudication.</ns0:Subject>
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		<ns0:DigestText>
			<html:p>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 requires the department to periodically review the groundwater sustainability plans developed by groundwater sustainability agencies pursuant to the act to evaluate whether a plan conforms with specified laws and is likely to achieve the sustainability goal for the basin covered by the plan. Existing law requires a groundwater sustainability agency to evaluate its groundwater sustainability plan periodically.</html:p>
			<html:p>This bill would require a groundwater sustainability agency to, at least once every 7 years, review, and update if appropriate, its sustainable yield to ensure that the sustainable yield is based on the best available information and best available science, as defined, and will achieve sustainable groundwater management. The bill would also require a groundwater sustainability agency to provide an opportunity for public review and comment before making a determination whether to update its sustainable yield. To the extent that these requirements impose additional duties on groundwater sustainability agencies that are local agencies, the bill would impose a state-mandated local program.</html:p>
			<html:p>Existing law authorizes a
			 groundwater sustainability agency that adopts a groundwater sustainability plan to file a court action to determine the validity of the plan no sooner than 180 days following the adoption of the plan, as provided. Existing law provides that actions by a groundwater sustainability agency are subject to judicial review, except as provided.</html:p>
			<html:p>This bill would instead authorize groundwater sustainability agencies to file those actions within 180 days following the adoption of the plan. The bill would also authorize, for any groundwater basin in which a comprehensive groundwater adjudication was filed prior to January 1, 2025, a party that has timely appeared in that adjudication to file an action on or before March 2, 2026, under specified circumstances. The bill would require a legal challenge to an action or determination by the groundwater sustainability agency to be filed within 90 days of the action or determination.</html:p>
			<html:p>Existing
			 law requires a court, in an adjudication action for a basin required to have a groundwater sustainability plan pursuant to the act, to manage the proceedings in a certain manner, including in a manner that minimizes interference with the timely completion and implementation of a groundwater sustainability plan.</html:p>
			<html:p>The bill would prohibit a court, in an adjudication action filed after January 1, 2025, for a basin required to have a groundwater sustainability plan pursuant to the act, from establishing a safe yield or sustainable yield for the basin that exceeds the sustainable yield of the basin as established in a valid groundwater sustainability plan for the
			 basin, except as provided. This prohibition would not apply to a comprehensive adjudication in which a court has issued a final determination on the basin’s safe or sustainable yield prior to January 1, 2026.</html:p>
			<html:p>Existing law provides that an action against a groundwater sustainability agency that is located in a basin that is being adjudicated is subject to transfer, coordination, and consolidation with a comprehensive adjudication, as appropriate, if the action concerns the adoption, substance, or implementation of a groundwater sustainability plan, or the groundwater sustainability agency’s compliance with the timelines in the Sustainable Groundwater Management Act.</html:p>
			<html:p>This bill would require an action against a groundwater sustainability agency that is located in a basin that is being adjudicated to be consolidated with a comprehensive adjudication if the action concerns the adoption,
			 substance, or implementation of a groundwater sustainability plan, or the groundwater sustainability agency’s compliance with the timelines in the Sustainable Groundwater Management Act. The bill would also require the court hearing the consolidated action to try the cause of action for judicial review of the groundwater sustainability plan’s determination of a basin’s sustainable yield before trying any other issue in the action.</html:p>
			<html:p>Existing law authorizes a court to enter judgment in an adjudication action for a basin required to have a groundwater sustainability plan if, in addition to other criteria, the court finds the judgment will not substantially impair the ability of a groundwater sustainability agency, the State Water Resources Control Board, or the department to comply with the Sustainable Groundwater Management Act and to achieve sustainable groundwater management.</html:p>
			<html:p>This bill, among other things, would provide that
			 a judgment substantially impairs the ability of those entities to comply with the act and to achieve sustainable groundwater management if it permits more total pumping from the basin annually or on average than the sustainable yield of the basin established in the latest groundwater sustainability plan or plans that have received a determination from the department that the plan or plans are likely to achieve the sustainability goal for the basin and have been validated by a final judgment or by operation of law when no validation action was filed.</html:p>
			<html:p>The California Constitution requires the state to reimburse local agencies and school districts for certain costs mandated by the state. Statutory provisions establish procedures for making that reimbursement.</html:p>
			<html:p>This bill would provide that no reimbursement is required by this act for
			 a specified reason.</html:p>
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		<ns0:Preamble>The people of the State of California do enact as follows:</ns0:Preamble>
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			<ns0:Num>SECTION 1.</ns0:Num>
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				<html:p>In enacting this measure, it is the intent of the Legislature to do the following:</html:p>
				<html:p>
					(a)
					<html:span class="EnSpace"/>
					Provide specific terms supporting implementation of existing law in Section 10737.2 of the Water Code to ensure that a comprehensive adjudication of groundwater rights in a basin does not interfere with the timely completion and implementation of a groundwater sustainability plan.
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				<html:p>
					(b)
					<html:span class="EnSpace"/>
					Provide specific terms supporting implementation of existing law in Section 10737.2 of the Water Code to ensure that a comprehensive adjudication of groundwater rights in a basin avoids redundancy and unnecessary costs
				in the development of technical information and a physical solution.
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				<html:p>
					(c)
					<html:span class="EnSpace"/>
					Provide specific terms supporting implementation of existing law in Section 10737.2 of the Water Code to ensure that a comprehensive adjudication of groundwater rights in a basin is consistent with the attainment of sustainable groundwater management within the timeframes established by the Sustainable Groundwater Management Act.
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				<html:p>
					(d)
					<html:span class="EnSpace"/>
					Ensure that courts shall not permit more total pumping annually or on average under a judgment in a comprehensive groundwater adjudication than would be allowed by a valid groundwater sustainability plan for a basin.
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					(e)
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					Ensure that the filing of a comprehensive groundwater adjudication shall not be used as a means
				of delaying or undermining the implementation of the Sustainable Groundwater Management Act.
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			<ns0:Num>SEC. 2.</ns0:Num>
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				Section 832 of the 
				<ns0:DocName>Code of Civil Procedure</ns0:DocName>
				 is amended to read:
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					<ns0:Num>832.</ns0:Num>
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							<html:p>For purposes of this chapter, the following definitions apply:</html:p>
							<html:p>
								(a)
								<html:span class="EnSpace"/>
								“Basin” has the same meaning as defined in Section 10721 of the Water Code.
							</html:p>
							<html:p>
								(b)
								<html:span class="EnSpace"/>
								“Best available information” has the same meaning as the term is used in the regulations adopted by the department pursuant to Section 10733.2 of the Water Code.
							</html:p>
							<html:p>
								(c)
								<html:span class="EnSpace"/>
								“Best available science” has the same meaning as defined in Section 351 of Title 23 of the California Code of Regulations.
							</html:p>
							<html:p>
								(d)
								<html:span class="EnSpace"/>
								“Complaint” means a complaint filed in superior court to determine rights to extract groundwater and includes any cross-complaint that initiates a comprehensive adjudication in response to a plaintiff’s complaint or other cross-complaint.
							</html:p>
							<html:p>
								(e)
								<html:span class="EnSpace"/>
								“Comprehensive adjudication” means an action filed in superior court to comprehensively determine rights to extract groundwater in a basin.
							</html:p>
							<html:p>
								(f)
								<html:span class="EnSpace"/>
								“Condition of long-term overdraft” means the condition of a groundwater basin where the average annual amount of water extracted for a long-term period, generally 10 years or more, exceeds the long-term average annual supply of water to the basin, plus any temporary surplus. Overdraft during a period of drought is not sufficient to establish a condition of long-term overdraft if extractions and recharge are managed as necessary to ensure that reductions in groundwater levels or storage during a period of drought are offset by increases in groundwater levels or storage during other periods.
							</html:p>
							<html:p>
								(g)
								<html:span class="EnSpace"/>
								“Department” means the Department of Water Resources.
							</html:p>
							<html:p>
								(h)
								<html:span class="EnSpace"/>
								“Expert witness” means a witness qualified pursuant to Section 720 of the Evidence Code.
							</html:p>
							<html:p>
								(i)
								<html:span class="EnSpace"/>
								“Groundwater” means water beneath the surface of the earth within the zone below the water table in which the soil is completely saturated with water, but does not
						include water that flows in known and definite channels.
							</html:p>
							<html:p>
								(j)
								<html:span class="EnSpace"/>
								“Groundwater extraction facility” means a device or method for extracting groundwater in a basin.
							</html:p>
							<html:p>
								(k)
								<html:span class="EnSpace"/>
								“Groundwater recharge” means the augmentation of groundwater, by natural or artificial means.
							</html:p>
							<html:p>
								(l)
								<html:span class="EnSpace"/>
								“Person” includes, but is not limited to, counties, local agencies, state agencies, federal agencies, tribes, business entities, and individuals.
							</html:p>
							<html:p>
								(m)
								<html:span class="EnSpace"/>
								“Plaintiff” means the person filing the complaint initiating a comprehensive adjudication and includes a cross-complainant who initiates a comprehensive adjudication by cross-complaint.
							</html:p>
							<html:p>
								(n)
								<html:span class="EnSpace"/>
								“Public water system” has the same meaning as defined in Section 116275 of the Health and Safety Code.
							</html:p>
							<html:p>
								(o)
								<html:span class="EnSpace"/>
								“State small water system” has the same meaning as defined in Section 116275 of the Health and Safety Code.
							</html:p>
							<html:p>
								(p)
								<html:span class="EnSpace"/>
								“Sustainable Groundwater Management Act” means Part 2.74 (commencing with Section 10720) of Division 6 of the Water Code.
							</html:p>
							<html:p>
								(q)
								<html:span class="EnSpace"/>
								“Sustainable yield” has the same meaning as defined in Section 10721 of the Water Code.
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			<ns0:Num>SEC. 3.</ns0:Num>
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				Section 834 of the 
				<ns0:DocName>Code of Civil Procedure</ns0:DocName>
				 is amended to read:
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					<ns0:Num>834.</ns0:Num>
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								(a)
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								In a comprehensive adjudication conducted pursuant to this chapter, the court may determine all groundwater rights of a basin, whether based on appropriation, overlying right, or other basis of right, and use of storage space in the basin.
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								(b)
								<html:span class="EnSpace"/>
								Subject to the limitations in Section 850, the court’s final judgment in a comprehensive adjudication, for the groundwater rights of each party, may declare the priority, amount, purposes of use, extraction location, place of use of the water, and use of storage space in the basin, together with appropriate injunctive relief, subject to terms adopted by the court to implement a physical solution in the comprehensive
						adjudication.
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			<ns0:Num>SEC. 4.</ns0:Num>
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				Section 838 of the 
				<ns0:DocName>Code of Civil Procedure</ns0:DocName>
				 is amended to read:
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					<ns0:Num>838.</ns0:Num>
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								(a)
								<html:span class="EnSpace"/>
								(1)
								<html:span class="EnSpace"/>
								In a comprehensive adjudication conducted pursuant to this chapter, a judge of a superior court of a county that overlies the basin or any portion of the basin shall be disqualified. The Chairperson of the Judicial Council shall assign a judge to preside in all proceedings in the comprehensive adjudication.
							</html:p>
							<html:p>
								(2)
								<html:span class="EnSpace"/>
								A judge of the superior court in which an action is filed may, on the court’s own motion or the motion of a party, determine if the action is a comprehensive adjudication under Section 833. A motion for a determination pursuant to this paragraph shall receive calendar preference within the action and shall be resolved before other procedural or
						dispositive motions.
							</html:p>
							<html:p>
								(b)
								<html:span class="EnSpace"/>
								A comprehensive adjudication is presumed to be a complex action under Rule 3.400 of the California Rules of Court.
							</html:p>
							<html:p>
								(c)
								<html:span class="EnSpace"/>
								Sections 170.6 and 394 shall not apply in a comprehensive adjudication.
							</html:p>
							<html:p>
								(d)
								<html:span class="EnSpace"/>
								(1)
								<html:span class="EnSpace"/>
								Notwithstanding subdivision (b) of Section 10726.6 of the Water Code, an action against a groundwater sustainability agency that is located in a basin that is being adjudicated pursuant to this chapter shall be consolidated with the comprehensive
						adjudication if the action concerns the adoption, substance, or implementation of a groundwater sustainability plan, or the groundwater sustainability agency’s compliance with the timelines in the Sustainable Groundwater Management Act.
							</html:p>
							<html:p>
								(2)
								<html:span class="EnSpace"/>
								In an action where consolidation occurs pursuant to paragraph (1), the court shall try the cause of action for judicial review of the groundwater sustainability plan’s determination of a basin’s sustainable yield before trying any other issue in the action.
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		<ns0:BillSection id="id_3EF6FC71-A667-4098-B2B3-303AA2A7BEBB">
			<ns0:Num>SEC. 5.</ns0:Num>
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				Section 849 of the 
				<ns0:DocName>Code of Civil Procedure</ns0:DocName>
				 is amended to read:
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			<ns0:Fragment>
				<ns0:LawSection id="id_EE796D76-A669-46EA-9D4E-8D9172A01BE1">
					<ns0:Num>849.</ns0:Num>
					<ns0:LawSectionVersion id="id_372DB9D3-229C-4FC5-A057-D1B26FA64709">
						<ns0:Content>
							<html:p>
								(a)
								<html:span class="EnSpace"/>
								The court shall have the authority and the duty to impose a physical solution on the parties in a comprehensive adjudication where necessary and consistent with Article 2 of Section X of the California Constitution.
							</html:p>
							<html:p>
								(b)
								<html:span class="EnSpace"/>
								Before adopting a physical solution, the court shall consider any existing groundwater sustainability plan or program. The requirements in Section 850 for a judgment shall also apply to any physical solution imposed by the court.
							</html:p>
						</ns0:Content>
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				</ns0:LawSection>
			</ns0:Fragment>
		</ns0:BillSection>
		<ns0:BillSection id="id_663F2C42-F02E-4C87-8A61-24DC9D04B03F">
			<ns0:Num>SEC. 6.</ns0:Num>
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				Section 850 of the 
				<ns0:DocName>Code of Civil Procedure</ns0:DocName>
				 is amended to read:
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			<ns0:Fragment>
				<ns0:LawSection id="id_97F5DC5C-7D70-470A-82CF-FA8FE7354760">
					<ns0:Num>850.</ns0:Num>
					<ns0:LawSectionVersion id="id_58C350E8-B43C-4F93-A92E-000F9C3E4A73">
						<ns0:Content>
							<html:p>
								(a)
								<html:span class="EnSpace"/>
								The court may enter a judgment in a comprehensive adjudication if the court finds that the judgment meets all of the following criteria:
							</html:p>
							<html:p>
								(1)
								<html:span class="EnSpace"/>
								It is consistent with Section 2 of Article X of the California Constitution.
							</html:p>
							<html:p>
								(2)
								<html:span class="EnSpace"/>
								It is consistent with the water right priorities of all nonstipulating parties and any persons who have claims that are exempted pursuant to Section 833 in the basin.
							</html:p>
							<html:p>
								(3)
								<html:span class="EnSpace"/>
								It treats all objecting parties and any persons who have claims that are exempted pursuant to Section 833 equitably as compared to the stipulating parties.
							</html:p>
							<html:p>
								(4)
								<html:span class="EnSpace"/>
								It considers the water use of and accessibility of water for small farmers and disadvantaged communities. This consideration shall be consistent with the conditions identified in this subdivision.
							</html:p>
							<html:p>
								(b)
								<html:span class="EnSpace"/>
								(1)
								<html:span class="EnSpace"/>
								The court may enter judgment in an adjudication action for a basin required to have a groundwater sustainability plan under the Sustainable Groundwater Management Act, if in addition to the criteria enumerated in subdivision (a), the court also finds that the judgment will not substantially impair the ability of a groundwater sustainability agency, the State Water Resources Control Board, or the department to comply with the Sustainable Groundwater Management Act and to achieve sustainable groundwater management.
							</html:p>
							<html:p>
								(2)
								<html:span class="EnSpace"/>
								A judgment substantially impairs the ability of a groundwater sustainability agency, the State Water Resources Control Board, or the department to comply with the Sustainable Groundwater Management Act and to achieve sustainable groundwater management if it permits more total pumping from the basin annually or on average than the sustainable yield of the basin established in the latest groundwater sustainability plan or plans covering the basin and the groundwater sustainability plan or plans have received a determination from the department, pursuant to Chapter 10 (commencing with Section 10733) of Part 2.74 of Division 6 of the Water Code, including a determination under Section 10733, that the plan or plans are likely to achieve the sustainability goal for the basin and either of the following apply:
							</html:p>
							<html:p>
								(A)
								<html:span class="EnSpace"/>
								The
						groundwater sustainability plan or plans have been validated by a final judgment issuing from a validation action brought pursuant to Section 10726.6 of the Water Code.
							</html:p>
							<html:p>
								(B)
								<html:span class="EnSpace"/>
								The groundwater sustainability plan or plans have been validated by operation of law because no validation action was filed.
							</html:p>
							<html:p>
								(c)
								<html:span class="EnSpace"/>
								(1)
								<html:span class="EnSpace"/>
								In order to assist the court in making the findings required by this section, the court may refer the matter to the State Water Resources Control Board for investigation and report pursuant to Section 2001 of the Water Code. A party may request that the court refer the matter to the State Water Resources Control Board pursuant to this subdivision.
							</html:p>
							<html:p>
								(2)
								<html:span class="EnSpace"/>
								Notwithstanding any inconsistencies with Article 2
						(commencing with Section 2010) of Chapter 1 of Part 3 of Division 2 of the Water Code, for a reference undertaken by the State Water Resources Control Board under paragraph (1), the State Water Resources Control Board and the department shall jointly investigate and submit the report under paragraph (1).
							</html:p>
							<html:p>
								(d)
								<html:span class="EnSpace"/>
								If a party or group of parties submits a proposed stipulated judgment that is supported by more than 50 percent of all parties who are groundwater extractors in the basin or use the basin for groundwater storage and is supported by groundwater extractors responsible for at least 75 percent of the groundwater extracted in the basin during the five calendar years before the filing of the complaint, the court may adopt the proposed stipulated judgment, as applied to the stipulating parties, if the proposed stipulated judgment meets the
						criteria described in subdivision (a). A party objecting to a proposed stipulated judgment shall demonstrate, by a preponderance of evidence, that the proposed stipulated judgment does not satisfy one or more criteria described in subdivision (a) or that it substantially violates the water rights of the objecting party. If the objecting party is unable to make this showing, the court may impose the proposed stipulated judgment on the objecting party. An objecting party may be subject to a preliminary injunction issued pursuant to Section 847 while their objections are being resolved.
							</html:p>
							<html:p>
								(e)
								<html:span class="EnSpace"/>
								For purposes of this section the following definitions apply:
							</html:p>
							<html:p>
								(1)
								<html:span class="EnSpace"/>
								“Disadvantaged communities” means communities identified by the California Environmental Protection Agency as disadvantaged
						communities pursuant to Section 39711 of the Health and Safety Code.
							</html:p>
							<html:p>
								(2)
								<html:span class="EnSpace"/>
								“Small farmers” means farmers with between ten thousand dollars ($10,000) and four hundred thousand dollars ($400,000) in gross farm sales, as referenced in the Department of Food and Agriculture’s California Underserved and Small Producers
						Program.
							</html:p>
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				</ns0:LawSection>
			</ns0:Fragment>
		</ns0:BillSection>
		<ns0:BillSection id="id_8AA30FF0-0DC2-4D0C-8F76-F713EBB30DF4">
			<ns0:Num>SEC. 7.</ns0:Num>
			<ns0:ActionLine action="IS_AMENDED" ns3:href="urn:caml:codes:WAT:caml#xpointer(%2Fcaml%3ALawDoc%2Fcaml%3ACode%2Fcaml%3ALawHeading%5B%40type%3D'DIVISION'%20and%20caml%3ANum%3D'6.'%5D%2Fcaml%3ALawHeading%5B%40type%3D'PART'%20and%20caml%3ANum%3D'2.74.'%5D%2Fcaml%3ALawHeading%5B%40type%3D'CHAPTER'%20and%20caml%3ANum%3D'5.'%5D%2Fcaml%3ALawSection%5Bcaml%3ANum%3D'10726.6.'%5D)" ns3:label="fractionType: LAW_SECTION" ns3:type="locator">
				Section 10726.6 of the 
				<ns0:DocName>Water Code</ns0:DocName>
				 is amended to read:
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			<ns0:Fragment>
				<ns0:LawSection id="id_6971BC90-4F0C-433E-96DD-9C3AF801B7A1">
					<ns0:Num>10726.6.</ns0:Num>
					<ns0:LawSectionVersion id="id_ABF78AAE-DB54-4294-9D62-49C9FA86F3A7">
						<ns0:Content>
							<html:p>
								(a)
								<html:span class="EnSpace"/>
								(1)
								<html:span class="EnSpace"/>
								A groundwater sustainability agency that adopts a groundwater sustainability plan may file an action to determine the validity of the plan pursuant to Chapter 9 (commencing with Section 860) of Title 10 of Part 2 of the Code of Civil Procedure within 180 days following the adoption of the plan.
							</html:p>
							<html:p>
								(2)
								<html:span class="EnSpace"/>
								(A)
								<html:span class="EnSpace"/>
								Notwithstanding paragraph (1), for any groundwater basin in which a comprehensive groundwater adjudication was filed prior to January 1, 2025, pursuant to Chapter 7 (commencing with Section 830) of Title 10 of Part 2 of the Code of Civil Procedure, any party that has timely appeared in that adjudication may file an action
						pursuant to paragraph (1) on or before March 2, 2026.
							</html:p>
							<html:p>
								(B)
								<html:span class="EnSpace"/>
								That action shall be consolidated with the adjudication and have priority over any other issue pending in the adjudication.
							</html:p>
							<html:p>
								(3)
								<html:span class="EnSpace"/>
								Paragraph (2) shall not apply to a comprehensive adjudication in which a court has issued a final determination on the basin’s safe or sustainable yield prior to January 1, 2026. 
							</html:p>
							<html:p>
								(b)
								<html:span class="EnSpace"/>
								Subject to Sections 394 and 397 of the Code of Civil Procedure, the venue for an action pursuant to this section shall be the county in which the principal office of the groundwater management agency is located.
							</html:p>
							<html:p>
								(c)
								<html:span class="EnSpace"/>
								Any judicial action or proceeding to attack, review, set aside, void, or annul the
						ordinance or resolution imposing a new, or increasing an existing, fee imposed pursuant to Section 10730, 10730.2, or 10730.4 shall be commenced within 180 days following the adoption of the ordinance or resolution.
							</html:p>
							<html:p>
								(d)
								<html:span class="EnSpace"/>
								Any person may pay a fee imposed pursuant to Section 10730, 10730.2, or 10730.4 under protest and bring an action against the governing body in the superior court to recover any money that the governing body refuses to refund. Payments made and actions brought under this section shall be made and brought in the manner provided for the payment of taxes under protest and actions for refund of that payment in Article 2 (commencing with Section 5140) of Chapter 5 of Part 9 of Division 1 of the Revenue and Taxation Code, as applicable.
							</html:p>
							<html:p>
								(e)
								<html:span class="EnSpace"/>
								(1)
								<html:span class="EnSpace"/>
								Except as otherwise provided in this section, actions by a groundwater sustainability agency are subject to judicial review pursuant to Section 1085 of the Code of Civil Procedure and an action is required to be filed within 90 days of the challenged action or determination by the agency.
							</html:p>
							<html:p>
								(2)
								<html:span class="EnSpace"/>
								To the extent judicial review is sought regarding an action or determination that is concurrently being reviewed by either the department or board pursuant to the procedures in this part, the court shall promptly consider whether, in the interests of efficiency or justice, to stay that challenge until the department or board have completed their evaluation or related procedure.
							</html:p>
						</ns0:Content>
					</ns0:LawSectionVersion>
				</ns0:LawSection>
			</ns0:Fragment>
		</ns0:BillSection>
		<ns0:BillSection id="id_28C2BDC3-13AF-4FEE-996A-FC9AC14D1FAA">
			<ns0:Num>SEC. 8.</ns0:Num>
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				Section 10728.2 of the 
				<ns0:DocName>Water Code</ns0:DocName>
				 is amended to read:
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			<ns0:Fragment>
				<ns0:LawSection id="id_AC7EC71C-99BD-47FD-A03B-B217F86112AD">
					<ns0:Num>10728.2.</ns0:Num>
					<ns0:LawSectionVersion id="id_2AB16C46-FD88-4C90-B8F2-581C4F1DD4AE">
						<ns0:Content>
							<html:p>
								(a)
								<html:span class="EnSpace"/>
								A groundwater sustainability agency shall periodically evaluate its groundwater sustainability plan, assess changing conditions in the basin that may warrant modification of the plan or management objectives, and may adjust components in the plan. An evaluation of the plan shall focus on determining whether the actions under the plan are meeting the plan’s management objectives and whether those objectives are meeting the sustainability goal in the basin.
							</html:p>
							<html:p>
								(b)
								<html:span class="EnSpace"/>
								At
						least once every seven years, a groundwater sustainability agency shall review, and update if appropriate, its sustainable yield to ensure that the sustainable yield is based on the best available information and best available science, and will achieve sustainable groundwater management. Before making a determination whether to update its sustainable yield, the groundwater sustainability agency shall provide an opportunity for public review and comment.
							</html:p>
						</ns0:Content>
					</ns0:LawSectionVersion>
				</ns0:LawSection>
			</ns0:Fragment>
		</ns0:BillSection>
		<ns0:BillSection id="id_F011BDEE-C654-4903-B187-E0AC468B71D7">
			<ns0:Num>SEC. 9.</ns0:Num>
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				Section 10737.2 of the 
				<ns0:DocName>Water Code</ns0:DocName>
				 is amended to read:
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			<ns0:Fragment>
				<ns0:LawSection id="id_EB51DDCE-0859-40E8-9BCC-20DB4309934C">
					<ns0:Num>10737.2.</ns0:Num>
					<ns0:LawSectionVersion id="id_E7F87B78-7C3F-4C15-99D4-6E05622E2969">
						<ns0:Content>
							<html:p>
								(a)
								<html:span class="EnSpace"/>
								In an adjudication action for a basin required to have a groundwater sustainability plan under this part, the court shall manage the proceedings in a manner that minimizes interference with the timely completion and implementation of a groundwater sustainability plan, avoids redundancy and unnecessary costs in the development of technical information and a physical solution, and is consistent with the attainment of sustainable groundwater management within the timeframes established by this part.
							</html:p>
							<html:p>
								(b)
								<html:span class="EnSpace"/>
								(1)
								<html:span class="EnSpace"/>
								(A)
								<html:span class="EnSpace"/>
								In an adjudication action for a basin required to have a groundwater sustainability plan pursuant to this part, the court shall not establish a safe yield or sustainable yield for the basin that exceeds the sustainable yield of the basin as established in a valid groundwater sustainability plan for the basin unless a party claims, and the court determines, that the sustainable yield determination was not made based on the best available information and the best available science at the
						time the groundwater sustainability plan was adopted.
							</html:p>
							<html:p>
								(B)
								<html:span class="EnSpace"/>
								If a party claims, and the court finds, that the technical basis for the determination of the sustainable yield, including any groundwater model or numerical flow model and any other information used as the basis for the sustainable yield, was not made available to the public for review and comment before the adoption of the groundwater sustainability plan, the court shall require the groundwater sustainability agency to readopt the groundwater sustainability plan after making information used as the basis for the sustainable yield publicly available.
							</html:p>
							<html:p>
								(C)
								<html:span class="EnSpace"/>
								A party that claims the sustainable yield was not made
						based on the best available information and best available science at the time the groundwater sustainability plan was adopted shall bear the burden of proof.
							</html:p>
							<html:p>
								(2)
								<html:span class="EnSpace"/>
								Paragraph (1) shall not apply to a comprehensive adjudication in which a court has issued a final determination on the basin’s safe or sustainable yield prior to January 1, 2026.
							</html:p>
							<html:p>
								(c)
								<html:span class="EnSpace"/>
								Subdivision (b) shall apply only to adjudications filed after January 1, 2025.
							</html:p>
							<html:p>
								(d)
								<html:span class="EnSpace"/>
								For purposes of this section, a “valid groundwater sustainability plan” means either of the following:
							</html:p>
							<html:p>
								(1)
								<html:span class="EnSpace"/>
								A groundwater sustainability plan that has been validated by a final judgment issuing from a
						validation action brought pursuant to Section 10726.6 of the Water Code.
							</html:p>
							<html:p>
								(2)
								<html:span class="EnSpace"/>
								A groundwater sustainability plan that has been validated by operation of law because no validation action was filed.
							</html:p>
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				</ns0:LawSection>
			</ns0:Fragment>
		</ns0:BillSection>
		<ns0:BillSection id="id_865940E4-E677-49A1-93F2-70A3205FDEAF">
			<ns0:Num>SEC. 10.</ns0:Num>
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				Section 10737.8 of the 
				<ns0:DocName>Water Code</ns0:DocName>
				 is amended to read:
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			<ns0:Fragment>
				<ns0:LawSection id="id_DE6D1500-2172-4137-B5F9-9540D90B7594">
					<ns0:Num>10737.8.</ns0:Num>
					<ns0:LawSectionVersion id="id_3922420E-AFB3-487F-9E0C-63391FF900CB">
						<ns0:Content>
							<html:p>
								(a)
								<html:span class="EnSpace"/>
								In addition to making any findings required by subdivision (a) of Section 850 of the Code of Civil Procedure or any other law, the court shall not approve entry of judgment in an adjudication action for a basin required to have a groundwater sustainability plan under this part unless the court finds that the judgment will not substantially impair the ability of a groundwater sustainability agency, the board, or the department to comply with this part and to achieve sustainable groundwater management.
							</html:p>
							<html:p>
								(b)
								<html:span class="EnSpace"/>
								(1)
								<html:span class="EnSpace"/>
								A judgment substantially impairs the ability of a groundwater sustainability agency, the board, or the department to comply with this part if it allows more
						total pumping from the basin annually or on average than the sustainable yield of the basin established in the latest groundwater sustainability plan or groundwater sustainability plans covering the basin.
							</html:p>
							<html:p>
								(2)
								<html:span class="EnSpace"/>
								The judgment described in paragraph (1) is not intended to be the exclusive manner by which a court may substantially impair the ability of a groundwater sustainability agency, the board, or the department to comply with this part.
							</html:p>
						</ns0:Content>
					</ns0:LawSectionVersion>
				</ns0:LawSection>
			</ns0:Fragment>
		</ns0:BillSection>
		<ns0:BillSection id="id_2C29D67E-D58A-4212-8E99-CD823EF3FE85">
			<ns0:Num>SEC. 11.</ns0:Num>
			<ns0:Content>
				<html:p>
					No reimbursement is required by this act pursuant to Section 6 of Article XIII
					<html:span class="ThinSpace"/>
					B of the California Constitution because a local agency or school district has the authority to levy service charges, fees, or assessments sufficient to pay for the program or level of service mandated by this act, within the meaning of Section 17556 of the Government Code.
				</html:p>
			</ns0:Content>
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	</ns0:Bill>
</ns0:MeasureDoc>
Last Version Text Digest 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 requires the department to periodically review the groundwater sustainability plans developed by groundwater sustainability agencies pursuant to the act to evaluate whether a plan conforms with specified laws and is likely to achieve the sustainability goal for the basin covered by the plan. Existing law requires a groundwater sustainability agency to evaluate its groundwater sustainability plan periodically. Existing law authorizes a groundwater sustainability agency that adopts a groundwater sustainability plan to file a court action to determine the validity of the plan no sooner than 180 days following the adoption of the plan, as provided. Existing law provides that actions by a groundwater sustainability agency are subject to judicial review, except as provided. This bill would instead authorize groundwater sustainability agencies to file those actions within 180 days following the adoption of the plan. The bill would also authorize, for any groundwater basin in which a comprehensive groundwater adjudication was filed prior to January 1, 2025, a party that has timely appeared in that adjudication to file an action on or before March 2, 2026, under specified circumstances. The bill would require a legal challenge to an action or determination by the groundwater sustainability agency to be filed within 90 days of the action or determination. Existing law requires a court, in an adjudication action for a basin required to have a groundwater sustainability plan pursuant to the act, to manage the proceedings in a certain manner, including in a manner that minimizes interference with the timely completion and implementation of a groundwater sustainability plan. The bill would prohibit a court, in an adjudication action filed after January 1, 2025, for a basin required to have a groundwater sustainability plan pursuant to the act, from establishing a safe yield or sustainable yield for the basin that exceeds the sustainable yield of the basin as established in a valid groundwater sustainability plan for the basin, except as provided. This prohibition would not apply to a comprehensive adjudication in which a court has issued a final determination on the basin’s safe or sustainable yield prior to January 1, 2026. Existing law provides that an action against a groundwater sustainability agency that is located in a basin that is being adjudicated is subject to transfer, coordination, and consolidation with a comprehensive adjudication, as appropriate, if the action concerns the adoption, substance, or implementation of a groundwater sustainability plan, or the groundwater sustainability agency’s compliance with the timelines in the Sustainable Groundwater Management Act. This bill would require an action against a groundwater sustainability agency that is located in a basin that is being adjudicated to be consolidated with a comprehensive adjudication if the action concerns the adoption, substance, or implementation of a groundwater sustainability plan, or the groundwater sustainability agency’s compliance with the timelines in the Sustainable Groundwater Management Act. The bill would also require the court hearing the consolidated action to try the cause of action for judicial review of the groundwater sustainability plan’s determination of a basin’s sustainable yield before trying any other issue in the action. Existing law authorizes a court to enter judgment in an adjudication action for a basin required to have a groundwater sustainability plan if, in addition to other criteria, the court finds the judgment will not substantially impair the ability of a groundwater sustainability agency, the State Water Resources Control Board, or the department to comply with the Sustainable Groundwater Management Act and to achieve sustainable groundwater management. This bill, among other things, would provide that a judgment substantially impairs the ability of those entities to comply with the act and to achieve sustainable groundwater management if it permits more total pumping from the basin annually or on average than the sustainable yield of the basin established in the latest groundwater sustainability plan or plans that have received a determination from the department that the plan or plans are likely to achieve the sustainability goal for the basin and have been validated by a final judgment or by operation of law when no validation action was filed.