Amended IN Senate June 11, 2019 Amended IN Assembly May 16, 2019 CALIFORNIA LEGISLATURE 20192020 REGULAR SESSION Assembly Bill No. 638Introduced by Assembly Member GrayFebruary 15, 2019 An act to add Chapter 4.5 (commencing with Section 430) to Division 1 of the Water Code, relating to water resources. LEGISLATIVE COUNSEL'S DIGESTAB 638, as amended, Gray. Department of Water Resources: water storage: climate change impacts.Existing law requires the Department of Water Resources to gather and correlate information and data pertinent to an annual forecast of seasonal water crop, as specified. Existing law also requires the Department of Water Resources department to update every 5 years the plan for the orderly and coordinated control, protection, conservation, development, and use of the water resources of the state, which is known as The California Water Plan. This bill would require the department, on or before December 31, 2023, with updates every 5 years thereafter, to identify water storage facilities vulnerable to climate change impacts and the mitigation strategies for anticipated adverse impacts, as provided. The bill would require the department to publish this information on the departments publicly available internet website and to provide a copy of the information to the appropriate policy committees of the Legislature. The bill would require the department, subject to an appropriation, to mitigate, or make grants available for the mitigation of, adverse impacts to water storage facilities caused by climate change, as specified.Digest Key Vote: MAJORITY Appropriation: NO Fiscal Committee: YES Local Program: NO Bill TextThe people of the State of California do enact as follows:SECTION 1. Chapter 4.5 (commencing with Section 430) is added to Division 1 of the Water Code, to read: CHAPTER 4.5. Climate Change Impacts on Water Storage430. (a) On or before December 31, 2023, and every five years thereafter, along with the update to The California Water Plan pursuant to Section 10004, the department, in collaboration with the United States Bureau of Reclamation, the United States Army Corps of Engineers, and local water agencies, and after one or more public workshops, shall identify water storage facilities vulnerable to climate change impacts, and shall quantify potential impacts to specific facilities, where possible, or at regional levels where greater detail is not possible. The department shall identify mitigation strategies for anticipated adverse impacts.(b) For purposes of this section, water storage facilities shall include, but are not limited to, both of the following:(1) Above-ground water storage, including surface water storage and naturally occurring above-ground water storage, such as the Sierra Nevada snowpack.(2) Below-ground water storage and naturally occurring below-ground water storage consistent with the Sustainable Groundwater Management Act (Part 2.74 (commencing with Section 10720) of Division 6).(c) The department shall provide a copy of the information identified by the department pursuant to subdivision (a) to the appropriate policy committees of the Legislature and publish this information on the departments publicly available internet website.(d) For purposes of the information provided pursuant to subdivision (a) on or before December 31, 2023, the department shall identify information about watersheds and groundwater basins available at the time and shall identify what other watersheds, groundwater basins, or hydrologic basins are identified for addition to the information provided pursuant to subdivision (a) on or before December 31, 2028.(e) Subject to an appropriation in the annual Budget Act or another statute for this purpose, the department shall mitigate, or make grants available for the mitigation of, adverse impacts to water storage facilities caused by climate change, with priority given to water storage facilities serving disadvantaged communities and communities that lack an adequate supply of safe drinking water. Amended IN Senate June 11, 2019 Amended IN Assembly May 16, 2019 CALIFORNIA LEGISLATURE 20192020 REGULAR SESSION Assembly Bill No. 638Introduced by Assembly Member GrayFebruary 15, 2019 An act to add Chapter 4.5 (commencing with Section 430) to Division 1 of the Water Code, relating to water resources. LEGISLATIVE COUNSEL'S DIGESTAB 638, as amended, Gray. Department of Water Resources: water storage: climate change impacts.Existing law requires the Department of Water Resources to gather and correlate information and data pertinent to an annual forecast of seasonal water crop, as specified. Existing law also requires the Department of Water Resources department to update every 5 years the plan for the orderly and coordinated control, protection, conservation, development, and use of the water resources of the state, which is known as The California Water Plan. This bill would require the department, on or before December 31, 2023, with updates every 5 years thereafter, to identify water storage facilities vulnerable to climate change impacts and the mitigation strategies for anticipated adverse impacts, as provided. The bill would require the department to publish this information on the departments publicly available internet website and to provide a copy of the information to the appropriate policy committees of the Legislature. The bill would require the department, subject to an appropriation, to mitigate, or make grants available for the mitigation of, adverse impacts to water storage facilities caused by climate change, as specified.Digest Key Vote: MAJORITY Appropriation: NO Fiscal Committee: YES Local Program: NO Amended IN Senate June 11, 2019 Amended IN Assembly May 16, 2019 Amended IN Senate June 11, 2019 Amended IN Assembly May 16, 2019 CALIFORNIA LEGISLATURE 20192020 REGULAR SESSION Assembly Bill No. 638 Introduced by Assembly Member GrayFebruary 15, 2019 Introduced by Assembly Member Gray February 15, 2019 An act to add Chapter 4.5 (commencing with Section 430) to Division 1 of the Water Code, relating to water resources. LEGISLATIVE COUNSEL'S DIGEST ## LEGISLATIVE COUNSEL'S DIGEST AB 638, as amended, Gray. Department of Water Resources: water storage: climate change impacts. Existing law requires the Department of Water Resources to gather and correlate information and data pertinent to an annual forecast of seasonal water crop, as specified. Existing law also requires the Department of Water Resources department to update every 5 years the plan for the orderly and coordinated control, protection, conservation, development, and use of the water resources of the state, which is known as The California Water Plan. This bill would require the department, on or before December 31, 2023, with updates every 5 years thereafter, to identify water storage facilities vulnerable to climate change impacts and the mitigation strategies for anticipated adverse impacts, as provided. The bill would require the department to publish this information on the departments publicly available internet website and to provide a copy of the information to the appropriate policy committees of the Legislature. The bill would require the department, subject to an appropriation, to mitigate, or make grants available for the mitigation of, adverse impacts to water storage facilities caused by climate change, as specified. Existing law requires the Department of Water Resources to gather and correlate information and data pertinent to an annual forecast of seasonal water crop, as specified. Existing law also requires the Department of Water Resources department to update every 5 years the plan for the orderly and coordinated control, protection, conservation, development, and use of the water resources of the state, which is known as The California Water Plan. This bill would require the department, on or before December 31, 2023, with updates every 5 years thereafter, to identify water storage facilities vulnerable to climate change impacts and the mitigation strategies for anticipated adverse impacts, as provided. The bill would require the department to publish this information on the departments publicly available internet website and to provide a copy of the information to the appropriate policy committees of the Legislature. The bill would require the department, subject to an appropriation, to mitigate, or make grants available for the mitigation of, adverse impacts to water storage facilities caused by climate change, as specified. ## Digest Key ## Bill Text The people of the State of California do enact as follows:SECTION 1. Chapter 4.5 (commencing with Section 430) is added to Division 1 of the Water Code, to read: CHAPTER 4.5. Climate Change Impacts on Water Storage430. (a) On or before December 31, 2023, and every five years thereafter, along with the update to The California Water Plan pursuant to Section 10004, the department, in collaboration with the United States Bureau of Reclamation, the United States Army Corps of Engineers, and local water agencies, and after one or more public workshops, shall identify water storage facilities vulnerable to climate change impacts, and shall quantify potential impacts to specific facilities, where possible, or at regional levels where greater detail is not possible. The department shall identify mitigation strategies for anticipated adverse impacts.(b) For purposes of this section, water storage facilities shall include, but are not limited to, both of the following:(1) Above-ground water storage, including surface water storage and naturally occurring above-ground water storage, such as the Sierra Nevada snowpack.(2) Below-ground water storage and naturally occurring below-ground water storage consistent with the Sustainable Groundwater Management Act (Part 2.74 (commencing with Section 10720) of Division 6).(c) The department shall provide a copy of the information identified by the department pursuant to subdivision (a) to the appropriate policy committees of the Legislature and publish this information on the departments publicly available internet website.(d) For purposes of the information provided pursuant to subdivision (a) on or before December 31, 2023, the department shall identify information about watersheds and groundwater basins available at the time and shall identify what other watersheds, groundwater basins, or hydrologic basins are identified for addition to the information provided pursuant to subdivision (a) on or before December 31, 2028.(e) Subject to an appropriation in the annual Budget Act or another statute for this purpose, the department shall mitigate, or make grants available for the mitigation of, adverse impacts to water storage facilities caused by climate change, with priority given to water storage facilities serving disadvantaged communities and communities that lack an adequate supply of safe drinking water. The people of the State of California do enact as follows: ## The people of the State of California do enact as follows: SECTION 1. Chapter 4.5 (commencing with Section 430) is added to Division 1 of the Water Code, to read: CHAPTER 4.5. Climate Change Impacts on Water Storage430. (a) On or before December 31, 2023, and every five years thereafter, along with the update to The California Water Plan pursuant to Section 10004, the department, in collaboration with the United States Bureau of Reclamation, the United States Army Corps of Engineers, and local water agencies, and after one or more public workshops, shall identify water storage facilities vulnerable to climate change impacts, and shall quantify potential impacts to specific facilities, where possible, or at regional levels where greater detail is not possible. The department shall identify mitigation strategies for anticipated adverse impacts.(b) For purposes of this section, water storage facilities shall include, but are not limited to, both of the following:(1) Above-ground water storage, including surface water storage and naturally occurring above-ground water storage, such as the Sierra Nevada snowpack.(2) Below-ground water storage and naturally occurring below-ground water storage consistent with the Sustainable Groundwater Management Act (Part 2.74 (commencing with Section 10720) of Division 6).(c) The department shall provide a copy of the information identified by the department pursuant to subdivision (a) to the appropriate policy committees of the Legislature and publish this information on the departments publicly available internet website.(d) For purposes of the information provided pursuant to subdivision (a) on or before December 31, 2023, the department shall identify information about watersheds and groundwater basins available at the time and shall identify what other watersheds, groundwater basins, or hydrologic basins are identified for addition to the information provided pursuant to subdivision (a) on or before December 31, 2028.(e) Subject to an appropriation in the annual Budget Act or another statute for this purpose, the department shall mitigate, or make grants available for the mitigation of, adverse impacts to water storage facilities caused by climate change, with priority given to water storage facilities serving disadvantaged communities and communities that lack an adequate supply of safe drinking water. SECTION 1. Chapter 4.5 (commencing with Section 430) is added to Division 1 of the Water Code, to read: ### SECTION 1. CHAPTER 4.5. Climate Change Impacts on Water Storage430. (a) On or before December 31, 2023, and every five years thereafter, along with the update to The California Water Plan pursuant to Section 10004, the department, in collaboration with the United States Bureau of Reclamation, the United States Army Corps of Engineers, and local water agencies, and after one or more public workshops, shall identify water storage facilities vulnerable to climate change impacts, and shall quantify potential impacts to specific facilities, where possible, or at regional levels where greater detail is not possible. The department shall identify mitigation strategies for anticipated adverse impacts.(b) For purposes of this section, water storage facilities shall include, but are not limited to, both of the following:(1) Above-ground water storage, including surface water storage and naturally occurring above-ground water storage, such as the Sierra Nevada snowpack.(2) Below-ground water storage and naturally occurring below-ground water storage consistent with the Sustainable Groundwater Management Act (Part 2.74 (commencing with Section 10720) of Division 6).(c) The department shall provide a copy of the information identified by the department pursuant to subdivision (a) to the appropriate policy committees of the Legislature and publish this information on the departments publicly available internet website.(d) For purposes of the information provided pursuant to subdivision (a) on or before December 31, 2023, the department shall identify information about watersheds and groundwater basins available at the time and shall identify what other watersheds, groundwater basins, or hydrologic basins are identified for addition to the information provided pursuant to subdivision (a) on or before December 31, 2028.(e) Subject to an appropriation in the annual Budget Act or another statute for this purpose, the department shall mitigate, or make grants available for the mitigation of, adverse impacts to water storage facilities caused by climate change, with priority given to water storage facilities serving disadvantaged communities and communities that lack an adequate supply of safe drinking water. CHAPTER 4.5. Climate Change Impacts on Water Storage430. (a) On or before December 31, 2023, and every five years thereafter, along with the update to The California Water Plan pursuant to Section 10004, the department, in collaboration with the United States Bureau of Reclamation, the United States Army Corps of Engineers, and local water agencies, and after one or more public workshops, shall identify water storage facilities vulnerable to climate change impacts, and shall quantify potential impacts to specific facilities, where possible, or at regional levels where greater detail is not possible. The department shall identify mitigation strategies for anticipated adverse impacts.(b) For purposes of this section, water storage facilities shall include, but are not limited to, both of the following:(1) Above-ground water storage, including surface water storage and naturally occurring above-ground water storage, such as the Sierra Nevada snowpack.(2) Below-ground water storage and naturally occurring below-ground water storage consistent with the Sustainable Groundwater Management Act (Part 2.74 (commencing with Section 10720) of Division 6).(c) The department shall provide a copy of the information identified by the department pursuant to subdivision (a) to the appropriate policy committees of the Legislature and publish this information on the departments publicly available internet website.(d) For purposes of the information provided pursuant to subdivision (a) on or before December 31, 2023, the department shall identify information about watersheds and groundwater basins available at the time and shall identify what other watersheds, groundwater basins, or hydrologic basins are identified for addition to the information provided pursuant to subdivision (a) on or before December 31, 2028.(e) Subject to an appropriation in the annual Budget Act or another statute for this purpose, the department shall mitigate, or make grants available for the mitigation of, adverse impacts to water storage facilities caused by climate change, with priority given to water storage facilities serving disadvantaged communities and communities that lack an adequate supply of safe drinking water. CHAPTER 4.5. Climate Change Impacts on Water Storage CHAPTER 4.5. Climate Change Impacts on Water Storage 430. (a) On or before December 31, 2023, and every five years thereafter, along with the update to The California Water Plan pursuant to Section 10004, the department, in collaboration with the United States Bureau of Reclamation, the United States Army Corps of Engineers, and local water agencies, and after one or more public workshops, shall identify water storage facilities vulnerable to climate change impacts, and shall quantify potential impacts to specific facilities, where possible, or at regional levels where greater detail is not possible. The department shall identify mitigation strategies for anticipated adverse impacts.(b) For purposes of this section, water storage facilities shall include, but are not limited to, both of the following:(1) Above-ground water storage, including surface water storage and naturally occurring above-ground water storage, such as the Sierra Nevada snowpack.(2) Below-ground water storage and naturally occurring below-ground water storage consistent with the Sustainable Groundwater Management Act (Part 2.74 (commencing with Section 10720) of Division 6).(c) The department shall provide a copy of the information identified by the department pursuant to subdivision (a) to the appropriate policy committees of the Legislature and publish this information on the departments publicly available internet website.(d) For purposes of the information provided pursuant to subdivision (a) on or before December 31, 2023, the department shall identify information about watersheds and groundwater basins available at the time and shall identify what other watersheds, groundwater basins, or hydrologic basins are identified for addition to the information provided pursuant to subdivision (a) on or before December 31, 2028.(e) Subject to an appropriation in the annual Budget Act or another statute for this purpose, the department shall mitigate, or make grants available for the mitigation of, adverse impacts to water storage facilities caused by climate change, with priority given to water storage facilities serving disadvantaged communities and communities that lack an adequate supply of safe drinking water. 430. (a) On or before December 31, 2023, and every five years thereafter, along with the update to The California Water Plan pursuant to Section 10004, the department, in collaboration with the United States Bureau of Reclamation, the United States Army Corps of Engineers, and local water agencies, and after one or more public workshops, shall identify water storage facilities vulnerable to climate change impacts, and shall quantify potential impacts to specific facilities, where possible, or at regional levels where greater detail is not possible. The department shall identify mitigation strategies for anticipated adverse impacts. (b) For purposes of this section, water storage facilities shall include, but are not limited to, both of the following: (1) Above-ground water storage, including surface water storage and naturally occurring above-ground water storage, such as the Sierra Nevada snowpack. (2) Below-ground water storage and naturally occurring below-ground water storage consistent with the Sustainable Groundwater Management Act (Part 2.74 (commencing with Section 10720) of Division 6). (c) The department shall provide a copy of the information identified by the department pursuant to subdivision (a) to the appropriate policy committees of the Legislature and publish this information on the departments publicly available internet website. (d) For purposes of the information provided pursuant to subdivision (a) on or before December 31, 2023, the department shall identify information about watersheds and groundwater basins available at the time and shall identify what other watersheds, groundwater basins, or hydrologic basins are identified for addition to the information provided pursuant to subdivision (a) on or before December 31, 2028. (e) Subject to an appropriation in the annual Budget Act or another statute for this purpose, the department shall mitigate, or make grants available for the mitigation of, adverse impacts to water storage facilities caused by climate change, with priority given to water storage facilities serving disadvantaged communities and communities that lack an adequate supply of safe drinking water.