The Sustainable GroundwaterManagement Act

Implementation in Yolo County

California Water Commission April 20, 2017

Tim O’Halloran

www.ycfcwcd.org

SGMA Implementation

Year of Groundwater • Previous work that put us in a strong position

– Creation of a regional multi-agency groundwater level monitoring network including real-time sensors Establishment and maintenance of the Water Resources Information Database (WRID) County-wide groundwater model (IGSM) Creation of a subsidence monitoring network Development of AB 3030 groundwater management plans Engagement at State, Regional and Local levels to advance pro-active groundwater management activities

–

–––

–

Is Yolo County’s Groundwater Sustainable?

Has it been?

Will it continue to be?

-80

-70

-60

-50

-40

-30

-20

-10

0

Aver

age

Dep

th to

Wat

er (f

t)

Year

District Average Groundwater Level Depth by Season (Spring & Fall 2016 includes 111 wells)

Yolo County Groundwater Monitoring Program

A. Education and Outreach: Year of Groundwater

B. Basin Boundary Adjustment

C. GSA Concept Model • Umbrella GSA working with Management Areas

D. JPA Governance • GSP Regulations

E. Implementation

Phases of SGMA Compliance

8

Existing B118 Basin Boundaries Proposed Yolo Subbasin submitted to DWR 3/31/16 9

Yolo G

SA ~26 Eligible Entities

Limited Authority

For regional planning & reporting JPA bylaws define authorities & responsibilities of GSA,

Management Areas, and Eligible Entities

Draft – For internal discussion purposes only November 1, 2016

Groundwater Sustainability Plan

Management Areas are used to define sustainability goals and objectives for a hydrogeologic setting.

Capay Valley

YCFC&WCD Yocha Dehe Wintun Nation

Yolo County

Advisory Committee Public

North Yolo

Dunnigan WD California American Water

RDs 108, 730, 787, and 1600 Cacheville and Knights Landing CSDs

Yolo County

Advisory Committee Public

Central Yolo

Cities of Davis, Woodland &Winters UC Davis

YCFC&WCD RD 2035

Esparto and Madison CSDs Yolo County

Advisory Committee Public

Yolo Zamora

YCFC&WCD Yolo County (White area)

Advisory CommitteePublic

South Yolo

City of West Sacramento RDs 537, 765, 785, 827, and 900

North Delta Water Agency Yolo County (White area)

Advisory Committee Public

Inflow – Outflow = Change in Storage

Eligible GSA Entities

Thank You ____________________________________________________________________

Contact Information:

Tim O’Halloran tohalloran@ycfcwcd.org

(530) 662-0265