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 capacity. 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 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 January 1, 2021, December 31, 2023, with updates every 2 5 years thereafter, to identify the statewide water storage capacity, the adverse impacts to the capacity from the effects of climate change, water storage facilities vulnerable to climate change impacts and the mitigation strategies for anticipated adverse impacts. 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 impacts and mitigation strategies information to the appropriate policy committees of the Legislature.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 January 1, 2021, and every two 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 the statewide water storage capacity. 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 use the statewide water storage capacity information to identify adverse impacts to statewide water storage capacity from the effects of climate change and identify mitigation strategies for anticipated adverse impacts.(b) Water For purposes of this section, water storage capacity facilities shall include, but is are not limited to, both of the following:(1) Above ground Above-ground water storage storage, including surface water storage and naturally occurring above ground above-ground water storage, such as the Sierra Nevada snowpack.(2) Below ground Below-ground water storage and naturally occurring below ground below-ground water storage. 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 in compliance with Section 9795 of the Government Code, 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. 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 capacity. 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 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 January 1, 2021, December 31, 2023, with updates every 2 5 years thereafter, to identify the statewide water storage capacity, the adverse impacts to the capacity from the effects of climate change, water storage facilities vulnerable to climate change impacts and the mitigation strategies for anticipated adverse impacts. 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 impacts and mitigation strategies information to the appropriate policy committees of the Legislature.Digest Key Vote: MAJORITY Appropriation: NO Fiscal Committee: YES Local Program: NO Amended IN Assembly May 16, 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 capacity. 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 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 January 1, 2021, December 31, 2023, with updates every 2 5 years thereafter, to identify the statewide water storage capacity, the adverse impacts to the capacity from the effects of climate change, water storage facilities vulnerable to climate change impacts and the mitigation strategies for anticipated adverse impacts. 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 impacts and mitigation strategies information to the appropriate policy committees of the Legislature. 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 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 January 1, 2021, December 31, 2023, with updates every 2 5 years thereafter, to identify the statewide water storage capacity, the adverse impacts to the capacity from the effects of climate change, water storage facilities vulnerable to climate change impacts and the mitigation strategies for anticipated adverse impacts. 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 impacts and mitigation strategies information to the appropriate policy committees of the Legislature. ## 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 January 1, 2021, and every two 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 the statewide water storage capacity. 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 use the statewide water storage capacity information to identify adverse impacts to statewide water storage capacity from the effects of climate change and identify mitigation strategies for anticipated adverse impacts.(b) Water For purposes of this section, water storage capacity facilities shall include, but is are not limited to, both of the following:(1) Above ground Above-ground water storage storage, including surface water storage and naturally occurring above ground above-ground water storage, such as the Sierra Nevada snowpack.(2) Below ground Below-ground water storage and naturally occurring below ground below-ground water storage. 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 in compliance with Section 9795 of the Government Code, 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. 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 January 1, 2021, and every two 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 the statewide water storage capacity. 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 use the statewide water storage capacity information to identify adverse impacts to statewide water storage capacity from the effects of climate change and identify mitigation strategies for anticipated adverse impacts.(b) Water For purposes of this section, water storage capacity facilities shall include, but is are not limited to, both of the following:(1) Above ground Above-ground water storage storage, including surface water storage and naturally occurring above ground above-ground water storage, such as the Sierra Nevada snowpack.(2) Below ground Below-ground water storage and naturally occurring below ground below-ground water storage. 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 in compliance with Section 9795 of the Government Code, 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. 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 January 1, 2021, and every two 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 the statewide water storage capacity. 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 use the statewide water storage capacity information to identify adverse impacts to statewide water storage capacity from the effects of climate change and identify mitigation strategies for anticipated adverse impacts.(b) Water For purposes of this section, water storage capacity facilities shall include, but is are not limited to, both of the following:(1) Above ground Above-ground water storage storage, including surface water storage and naturally occurring above ground above-ground water storage, such as the Sierra Nevada snowpack.(2) Below ground Below-ground water storage and naturally occurring below ground below-ground water storage. 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 in compliance with Section 9795 of the Government Code, 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. CHAPTER 4.5. Climate Change Impacts on Water Storage430. (a) On or before January 1, 2021, and every two 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 the statewide water storage capacity. 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 use the statewide water storage capacity information to identify adverse impacts to statewide water storage capacity from the effects of climate change and identify mitigation strategies for anticipated adverse impacts.(b) Water For purposes of this section, water storage capacity facilities shall include, but is are not limited to, both of the following:(1) Above ground Above-ground water storage storage, including surface water storage and naturally occurring above ground above-ground water storage, such as the Sierra Nevada snowpack.(2) Below ground Below-ground water storage and naturally occurring below ground below-ground water storage. 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 in compliance with Section 9795 of the Government Code, 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. CHAPTER 4.5. Climate Change Impacts on Water Storage CHAPTER 4.5. Climate Change Impacts on Water Storage 430. (a) On or before January 1, 2021, and every two 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 the statewide water storage capacity. 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 use the statewide water storage capacity information to identify adverse impacts to statewide water storage capacity from the effects of climate change and identify mitigation strategies for anticipated adverse impacts.(b) Water For purposes of this section, water storage capacity facilities shall include, but is are not limited to, both of the following:(1) Above ground Above-ground water storage storage, including surface water storage and naturally occurring above ground above-ground water storage, such as the Sierra Nevada snowpack.(2) Below ground Below-ground water storage and naturally occurring below ground below-ground water storage. 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 in compliance with Section 9795 of the Government Code, 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. 430. (a) On or before January 1, 2021, and every two 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 the statewide water storage capacity. 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 use the statewide water storage capacity information to identify adverse impacts to statewide water storage capacity from the effects of climate change and identify mitigation strategies for anticipated adverse impacts. (b) Water For purposes of this section, water storage capacity facilities shall include, but is are not limited to, both of the following: (1) Above ground Above-ground water storage storage, including surface water storage and naturally occurring above ground above-ground water storage, such as the Sierra Nevada snowpack. (2) Below ground Below-ground water storage and naturally occurring below ground below-ground water storage. 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 in compliance with Section 9795 of the Government Code, 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.