SGMA March 10, 2020 Eddie Pech, P .E. Water Resources Engineer - - PowerPoint PPT Presentation

SLIDE 1

SGMA

March 10, 2020

Eddie Pech, P .E. Water Resources Engineer South Region Office, DWR

SLIDE 2

almost

%

• f California’s

supply comes from

GROUNDWATER

In an average year ,

SLIDE 3

%

up to

• f California’s

supply comes from

GROUNDWATER

In dry years,

SLIDE 4

%

• f Californians

rely on groundwater

SLIDE 5

%

• n average
• f Santa Clarita

Valley's

supply comes from

GROUNDWATER

In recent years,

SLIDE 6

Sustainable Groundwater Management Act 2014

“A central feature

• f these bills is the

recognition that groundwater management in California is best accomplished locally.” – Governor Edmund G. Brown Jr.

SLIDE 7

Sustainability

Sustainability Goal Sustainable Groundwater Mgmt. Sustainable Yield

GSP Implementation Achieved by 2040/2042 Avoid Undesirable Results

SLIDE 8

Undesirable Results

SLIDE 9

Agency Roles

SLIDE 10

DWR’s Regulatory Role in SGMA

FRAMEWORK

GSP Regulations Basin Boundary Modification Regulations Basin Prioritization

EVALUATION

GSP and Alternatives Basin Boundary Modifications

SLIDE 11

2019 – Basin Prioritization

515 94High and Medium

Priority Basins/ Subbasins

https://water.ca.gov/Programs/Groundwater-Management/Basin-Prioritization

SLIDE 12

SGMA Steps

• 2. Develop

GSP

Jan 2020/22

• 4. Achieve

Sustainability

2040/42

• 3. Implement

GSP

Over 20 yrs

• 1. Form

GSA

June 2017 >260 GSAs Formed* 135 GSP Notifications*

*As of March. 2019

SLIDE 13

GSP Submittal and Evaluation Process

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

2022

SLIDE 14

GSP Components

SLIDE 15

GSP Assessment Outcomes

Approved

Substantially complies with GSP Regulations

Incomplete

Deficiencies, can be corrected within 180 days Significant deficiencies or Incomplete: Unable to correct

deficiencies within 180 days

Inadequate

SLIDE 16

GSA Powers & Authorities

SGMA Chapter 5, CA Water Code § 10725: Adopt and submit a GSP Powers Regulate Reporting

SLIDE 17

Powers

• Adopt and submit GSP
• Propose and update fees
• Monitor compliance and

enforcement

• Investigate

May…

SLIDE 18

• Registration of groundwater

extraction facilities

• Water-measuring devices
• Extraction reporting
• Doesn’t apply to de minimis

extractors

May…

SLIDE 19

• Impose spacing requirements
• Control groundwater

extraction

• Authorize transfers
• Accounting rules for

allocations

• Request from county

authorization to issue well permits

May…

SLIDE 20

DWR’s Assistance Role in SGMA

TECHNICAL

Statewide Data and T

• ols

Guidance Materials Data Reporting T echnical Support Services

PLANNING

Facilitation Support Services Communication and Engagement

FINANCIAL

Grants

SLIDE 21

Groundwater in CA Bulletin 118

• CA groundwater resources &

management:

– Conditions of critical overdraft

https://water.ca.gov/Programs/Groundwater-Management/Bulletin-1 18

Bulletin 118 2003 1952 Bulletin 118 1980 Bulletin 118 1975 Bulletin 118 Interim update 2016

Basins Refined by 2016 BB Modifications

SLIDE 22

Statewide Datasets and T

• ols

Data, T

• ols, and Reports

Webpage Download Data Groundwater T

• ols

Climate Change Data/ T

• ols

Maps and Reports

https://water.ca.gov/Programs/ Groundwater-Management/Data-and-T

• ols

SLIDE 23

Groundwater Levels

• Groundwater Storage

[AlWater Quality

• ;8;Land Subsidence

l and Subsidence ayers

O DWR Extensometers

0 USGS Extensometers

UNAVCO CGPS Site

O EstimatedVertical Displacement SJV DWR

1 949 to 2005 (feet) TRE A ltamiraI n SAR Dataset

O Vertical Displacement Point Data

Total Raster

061 13 1 201s x

• I 061

011 201s x

• 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) 0 - 1 .5 to -1.25 (feet)

• 1.25 to -1 (feet)
• 1 to -0.75 (feet)
• 0.75 to -0.5 (feet)
• (H Interconnected Surface Water
• Water Budget

HydrogeDlogic Conceptual Model Boundaries

Download ayer Data C lear All ayers

. ,

.- ꞏ ' Esri, HERE, Garmin, FAO, NOAA, USGS, EPA, NPS ICalifornia Department of Water Res.. \) ,

.

SGMA Data Viewer ' ꞏ ''

[;;:!(

; " ! 10

• Imagerywith

IdaI Labels Fa II

"

' . . . . _ : z .

IDA H. O

<

(

,,.

,.,., ꞏ 9"tJ Medford

....,.

• .

h . . t i

t . . . Mcdoe

• \lF

ao lir

• e
• s

d t . . _ , ; Shasta . J.. Netioo

"•i. ,

Fae$l

H A R N El a A S I N

I

(

I

Huflllb :,...

ꞏ

/ '

{

Great - Salt LBf<e 0 t.f> Salt ,,... Lak e,.. City

'

I' '

"'"

• I.

'

.> ,NE¥A DA / G R E A T

l ꞏ B S T N'

UTAH1 CO LO RADO P LAT EAU Apache Nabonil Fa-est 0 P11oenix 611.,,

SONORAN DESERT

T,u cson 0 ..t

SLIDE 24

DWR SGMA Assistance

• SGMO and Region

Offices

• Geology Lead
• Regional Coordinator
• Point of Contact

SLIDE 25

Southern Region POC Map

SLIDE 26

Million

SLIDE 27

DWR Communications

• Sustainable Groundwater Management Program Updates
• Email updates regarding SGM Program implementation for stakeholders

and interested parties

• Event announcements
• Subscribe to receive at, https://bit.ly/2HdRRGK
• DWR’s SGMA Groundwater Management Website
• Bookmark on your web browser, https://www.water.ca.gov/Programs/

Groundwater-Management/SGMA-Groundwater-Management

SLIDE 28

QUESTIONS