Butte Valley Groundwater Sustainability Plan

Siskiyou County Flood Control and Water Conservation District | January 4th, 2022

Butte Valley Groundwater Sustainability Plan (Revised)

Siskiyou County Flood Control and Water District Groundwater Sustainability Agency | July 12th, 2024

This GSP was prepared to meet the regulatory requirements established by DWR. The completed GSP Elements Guide is organized according to the GSP Emergency Regulations se

This GSP was prepared to meet the regulatory requirements established by DWR. The completed GSP Elements Guide is organized according to the GSP Emergency Regulations sections of the California Code of Regulations and is provided in Appendix 1-D. Due to size, this file has been divided. Part 1, Part 2, Part 3

California Code of Regulations: Sustainable Groundwater Management Act Basin Boundary Regulations

California Department of Water Resources (DWR) | October 7th, 2015

These regulations specify the information a local agency is required to provide when requesting that the Department revise the boundaries of a basin or subbasin, includin

These regulations specify the information a local agency is required to provide when requesting that the Department revise the boundaries of a basin or subbasin, including the establishment of new subbasins, and the methodology and criteria used by the Department to evaluate a modification to existing basin or subbasin boundaries.

California Code of Regulations: Title 23. Waters Division 2. Department of Water Resources Chapter 1.5. Groundwater Management Subchapter 2. Groundwater Sustainability Plans

California Department of Water Resources (DWR) | May 17th, 2016

ARTICLE 1. Introductory Provisions § 350. Authority and Purpose These regulations specify the components of groundwater sustainability plans, alternatives

ARTICLE 1. Introductory Provisions § 350. Authority and Purpose These regulations specify the components of groundwater sustainability plans, alternatives to groundwater sustainability plans, and coordination agreements prepared pursuant to the Sustainable Groundwater Management Act (Part 2.74 of Division 6 of the Water Code, beginning with Section 10720), and the methods and criteria used by the Department to evaluate those plans, alternatives, and coordination agreements, and information required by the Department to facilitate that evaluation. Note: Authority cited: Section 10733.2, Water Code. Reference: Sections 10733.2 and 10733.4, Water Code.

California Groundwater Conditions Update – Spring 2019

California Department of Water Resources (DWR) | October 3rd, 2022

DWR has completed an evaluation of state-wide groundwater level data reported in spring 2019 for California groundwater basins. Spring data correspond to the time period

DWR has completed an evaluation of state-wide groundwater level data reported in spring 2019 for California groundwater basins. Spring data correspond to the time period immediately before the typical irrigation season begins in a region. This helps show groundwater levels before summer crop irrigation and other uses. In Central and Northern California, the pre-irrigation season is in March, while in Southern California, that season is typically earlier. The Spring 2019 Groundwater Level Data Coverage map (Figure 1) shows a comparison between total spring 2019 reporting and typical reporting in previous years. Typical reporting includes wells with water level data submitted to DWR over the past five spring seasons (2015-2019) by CASGEM Monitoring Entities, other local agencies, and well owners. Although the reporting percentage is high and coverage is good, there are still gaps in spring 2019 coverage throughout the state, including portions of Tulare, Kern, San Bernardino, Riverside, and Imperial counties.

California Groundwater Conditions Update – Spring 2020

California Department of Water Resources (DWR) | October 3rd, 2022

In this report, groundwater level change values compare spring 2020 to spring 2019, 2017, 2015, and 2010. The information is summarized in Table 1. Spring groundwater lev

In this report, groundwater level change values compare spring 2020 to spring 2019, 2017, 2015, and 2010. The information is summarized in Table 1. Spring groundwater level data are an important indicator of groundwater conditions because spring generally corresponds to the pre-irrigation season. This time period is representative of the water year’s peak groundwater levels. Associated maps display groundwater level increases and decreases and summarize data by hydrologic region.

California Groundwater Conditions Update – Spring 2021 California’s drought and groundwater

California Department of Water Resources (DWR) | October 3rd, 2022

This report uses maps to depict how groundwater levels have changed over time using two different analytical methods. One method, groundwater level change maps, show the

This report uses maps to depict how groundwater levels have changed over time using two different analytical methods. One method, groundwater level change maps, show the change in groundwater levels between two different springtime measurements. The second method uses trend analysis of water levels for wells having at least 10 annual springtime measurements over a 20-year period to illustrate the statistical magnitude and direction of groundwater level change (a well’s water level increasing or decreasing trend over time). Spring groundwater level data are an important indicator of groundwater conditions because spring generally corresponds to both the pre-irrigation season and the peak groundwater levels in a water year.

California Groundwater Units

U.S. Geological Survey (USGS) | June 5th, 2014

The California Groundwater Units dataset classifies and delineates areas within the State of California into one of three groundwater-based polygon units: (1) those areas

The California Groundwater Units dataset classifies and delineates areas within the State of California into one of three groundwater-based polygon units: (1) those areas previously defined as alluvial groundwater basins or subbasins, (2) highland areas that are adjacent to and topographically upgradient of groundwater basins, and (3) highland areas not associated with a groundwater basin, only a hydrogeologic province. In total, 938 Groundwater Units are represented. The Groundwater Units dataset relates existing groundwater basins with their newly delineated highland areas which can be used in subsequent hydrologic studies. The methods used to delineate groundwater-basin-associated highland areas are similar to those used to delineate a contributing area (such as for a lake or water body); the difference is that highland areas are constrained to the immediately surrounding upslope (upstream) area. Upslope basins have their own delineated highland. A geoprocessing tool was created to facilitate delineation of highland areas for groundwater basins and subbasins and is available for download.

California Law at the Intersection of Water Use and Land Planning: A Report for the California Office of Planning and Research

University of California College of the Law, San Francisco (UC Law SF) | May 13th, 2015

There are no laws in California that require coordination between land planners and water regulators. A local planning commission may approve a new subdivision ev

There are no laws in California that require coordination between land planners and water regulators. A local planning commission may approve a new subdivision even though there may not be enough water to supply the new development. Moreover, local water authorities and the Water Resources Control Board are under no obligation to provide water to developers if the developers do not hold title to a valid claim to water rights. The following survey and report represents a first comprehensive attempt to surface laws that lie at the intersection of land management and water regulations, offering several recommendations for ways in which existing laws can be used to facilitate better coordination between land planners and water managers. These recommendations, contained in Chapters IV-VI, suggest: Redefining the “coordination” requirement of the conservation element in general plans to facilitate coordination; Applying the Groundwater Sustainability Management Act’s sustainability goals to facilitate coordination; Utilizing well moratoria to facilitate coordination while limiting unsustainable growth. This report also contains a summary of our methodology in Chapter II, a historical overview of the relationship between land use and water law in California in Chapter III, and a survey of existing laws and constitutional provisions that are relevant to both land use and water management in Chapters VII and VIII. We hope that this report will serve as a useful tool for lawmakers and regulators to help achieve water security and sustainability for future generations.

California Sustainable Groundwater Legislation and Dairy Business Impact – California Irrigation Institute - 2017

California Irrigation Institute | January 30th, 2017

I have been asked to discuss my thoughts on the effect of SGMA upon the dairy industry. As the General Manager of Stevinson Water District in Merced County, and from a si

I have been asked to discuss my thoughts on the effect of SGMA upon the dairy industry. As the General Manager of Stevinson Water District in Merced County, and from a six-generation California dairy farming family, I have been quite involved in both in dairy farming, the production of milk and the rapidly changing agricultural water business. Most recently, I have been involved in the development of Groundwater Sustainable Agency in the Merced Basin. My comments are based both from my experiences and from information gathered from CDFA agricultural statistics, House of Representative Devin Nunes presentation to his constituencies in September 2016, and from conversations with civil water engineers in the south San Joaquin Valley. -From California Irrigation Institute 2017 Conference: Managing our Water Checkbook: Solutions for a Balanced Bottomline