Omochumne Hartnell Water District

Omochumne Hartnell Water District Groundwater Basins

SGMA implementation in the South American Subbasin

Above is a map of the South American Subbasin of which OHWD is the Groundwater Sustainability Agency along the north side of the Cosumnes River.

SGMA implementation in the Cosumnes SubBasin

SGMA implementation in the South American Subbasin

Above is a map of the Cosumnes Subbasin of which OHWD is the Groundwater Sustainability Agency along the south side of the Cosumnes River.

South American Subbasin

The South American Subbasin Groundwater Sustainability Plan (GSP) is available for review. OHWD has adopted the GSP along with other agency (SCGA, North Delta, Sloughhouse, Sacramento County). DWR has approved the GSP for the South American Subbasin.

South American Subbasin GSP

Cosumnes Subbasin

South American Subbasin

The Cosumnes subbasin Draft Groundwater Sustainability Plan is available for reveiw. OHWDadopted the plan on December 16, 2021. There are 7 GSA's in the Cosumnes Subbasin. Interactive map of the subbasin.

Cosumnes Subbasin GSP

Upcoming meetings

SOUTH AMERICAN SUBBASIN GROUNDWATER SUSTAINABILTY AGENCY EXECUTIVE COMMITTEE –

February 21, 2023

The South American Subbasin (SASb) Groundwater Sustainability Plan (GSP) Executive Committee, a coordination body of the Groundwater Sustainability Agencies (GSAs) that comprise the subbasin, will conduct their first organizing meeting, on-line, Tuesday, February 21, 2023, at 1:00 p.m. During this session they will discuss the issuance of an Annual Report required by the regulations of the Sustainable Groundwater Management Act (SGMA) other topics of interest to the GSAs. Groundwater basin users and interested community members are welcome to observe the session and will be offered an opportunity to ask questions and provide comments at designated times.

The SASb is located in Sacramento County between the American and Cosumnes Rivers. The Executive Committee includes representation from the SASb GSAs as follows:

Sacramento Central Groundwater Authority (SCGA)
Northern Delta GSA and its Associate Members
Omochumne-Hartnell Water District
Sacramento County (represented by SCGA)
Sloughhouse Resource Conservation District

The meeting agenda includes an overview and discussion of the following topics:

Executive Committee Memorandum of Understanding
Annual Report Update
Status of Grant Requests
Domestic Well Citizen Advisory Group
Communications and Engagement Plan Update
Future Meeting Schedule

You may register to attend this session on-line or by phone here: