SGMA March 10, 2020 Eddie Pech, P .E. Water Resources Engineer South Region Office, DWR
In an average year , almost of California’s % supply comes from GROUNDWATER
In dry years, up to of California’s % supply comes from GROUNDWATER
of Californians rely on groundwater %
In recent years, of Santa Clarita on average Valley's % supply comes from GROUNDWATER
Sustainable Groundwater Management Act 2014 “ A central feature of these bills is the recognition that groundwater management in California is best accomplished locally .” – Governor Edmund G. Brown Jr.
Sustainability Sustainability Goal Sustainable Groundwater GSP Implementation Mgmt. Achieved by 2040/2042 Sustainable Yield Avoid Undesirable Results
Undesirable Results
Agency Roles
DWR’s Regulatory Role in SGMA GSP and GSP Regulations FRAMEWORK EVALUATION Alternatives Basin Boundary Basin Boundary Modification Modifications Regulations Basin Prioritization
2019 – Basin Prioritization 515 94 High and Medium Priority Basins/ Subbasins https://water.ca.gov/Programs/Groundwater-Management/Basin-Prioritization
SGMA Steps 1. Form 2. Develop 3. Implement 4. Achieve GSA GSP GSP Sustainability June 2017 Jan 2020/22 Over 20 yrs 2040/42 >260 GSAs 135 GSP Formed* Notifications* *As of March. 2019
GSP Submittal and Evaluation Process 2022 Joint DWR and State Water Board Fact Sheet https://water.ca.gov/-/media/DWR-Website/Web-Pages/Programs/Groundwater- Management/Sustainable-Groundwater-Management/Groundwater-Sustainability- Plans/Files/GSP/SGMO_GSP-Overview_v12_FactSheet-a-y19
GSP Components
GSP Assessment Outcomes Substantially complies with Approved GSP Regulations Deficiencies, can be Incomplete corrected within 180 days Significant deficiencies or Inadequate Incomplete: Unable to correct deficiencies within 180 days
GSA Powers & Authorities SGMA Chapter 5, CA Water Code § 10725: Adopt and submit a GSP Powers Reporting Regulate
May… • Adopt and submit GSP • Propose and update fees • Monitor compliance and enforcement • Investigate Powers
May… • Registration of groundwater extraction facilities • Water-measuring devices • Extraction reporting • Doesn’t apply to de minimis extractors
May… • Impose spacing requirements • Control groundwater extraction • Authorize transfers • Accounting rules for allocations • Request from county authorization to issue well permits
DWR’s Assistance Role in SGMA Statewide Data Facilitation PLANNING TECHNICAL FINANCIAL Grants and T ools Support Services Guidance Materials Communication and Data Reporting Engagement T echnical Support Services
Groundwater in CA Bulletin 118 • CA groundwater resources & management: – Conditions of critical overdraft Bulletin 118 1952 Bulletin 118 Bulletin 118 Bulletin 118 2003 1975 1980 Interim update 2016 Basins Refined by 2016 BB Modifications https://water.ca.gov/Programs/Groundwater-Management/Bulletin-1 18
Statewide Datasets and T ools Data, T ools, and Reports Webpage Download Data Groundwater T ools Climate Change Data/ T ools Maps and Reports https://water.ca.gov/Programs/ Groundwater-Management/Data-and-T ools
\) , . • 0 Groundwater Levels SGMA Data Viewer [;;:! ( ; " ! 10 ' ꞏ '' • Groundwater Storage . . . . _ : z . Imagerywith [Al Water Quality IDA H. O IdaI Labels II Fa ' " • ;8; Land Subsidence H A R N E l a ,,. ( A S I N and Subsidence l ayers Medford ,.,., ꞏ 9"tJ 0 I O DWR Extensometers h . . t i t . . . Mcdoe ....,. • . ( 0 USGS Extensometers I UNAVCO CGPS Site - \l F a o li r o o d . . _ e s t . J.. , ; Shasta O EstimatedVertical Displacement SJV DWR "•i. , Great - Huflllb :,... Netioo ꞏ Salt ' 1 949 to 2005 (feet) Fae$l t.f> LBf<e 0 ' / • - "'" I' ' Salt ,,... { Lak e,.. TRE A ltamiraI n SAR Dataset City O Vertical Displacement Point Data I. .> ' Total Raster UTAH 1 ,NE¥A DA • I 061 / G R E A T 201s x 201s x • 061 13 1 011 l ꞏ B S T N' VerticalDisplacement Raster Data < -2.75 to -2.5 (feet) • -2.5 to -2.25 (feet) • -2.25 to -2 (feet) 0 - 2 to -1.75 (feet) 0 - 1 . 7 5 to -1.5 (feet) CO LO RADO P LAT EAU 0 - 1 .5 to -1.25 (feet) -1.25 to -1 (feet) -1 to -0.75 (feet) -0.75 to -0.5 (feet) Apache Nabonil Fa-est • (H Interconnected Surface Water 0 P11oenix 611.,, SONORAN • Water Budget DESERT T,u cson HydrogeDlogic Conceptual Model 0 .. t Boundaries . , .- ꞏ ' C lear All ayers Download ayer Data Esri, HERE, Garmin, FAO, NOAA, USGS, EPA, NPS I California Department of Water Res..
DWR SGMA Assistance • SGMO and Region Offices • Geology Lead • Regional Coordinator • Point of Contact
Southern Region POC Map
Million
DWR Communications • Sustainable Groundwater Management Program Updates o Email updates regarding SGM Program implementation for stakeholders and interested parties o Event announcements o Subscribe to receive at, https://bit.ly/2HdRRGK • DWR’s SGMA Groundwater Management Website o Bookmark on your web browser, https://www.water.ca.gov/Programs/ Groundwater-Management/SGMA-Groundwater-Management
QUESTIONS
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