Sacramento Valley – Antelope

Statistics

Basin Name

Basin Number

5-021.54

SGMA Basin Priority

High

Critically Overdrafted

Status

Subject to SGMA

DWR Region & POC

Northern Region Office
Michelle Dooley
(530) 529-7380
Michelle.Dooley@water.ca.gov

Number of Wells

1147

Hydrologic Region Name

Sacramento River Hydrologic Region

Counties

Tehama

Adjacent Basins

Redding Area - Bowman 5-006.01, Sacramento Valley - Dye Creek 5-021.55, Sacramento Valley - Los Molinos 5-021.56, Sacramento Valley - Red Bluff 5-021.50,

At-A-Glance

Located in California’s Sacramento River hydrologic region, the Sacramento Valley – Antelope is 19,091 acres in size. This High priority basin is home to an estimated 7,168 people (2010 value), which have been at a rate of 3.57. Sacramento Valley – Antelope is a(n) basin with approximately 1147 wells, of which approximately 27 are water supply wells. Groundwater accounts for approximately 73.00 percent of the basin’s water supply.

Source: CA DWR

2003: Bulletin 118 basin description

2014: Basin prioritization – medium. Comment: Nitrate issue in domestic wells. GW Use based on B118-03 and 2003 Tehama Co GW Inventory data.

2018: Basin draft priority – high. Comment: 1) CASGEM/WDL/GWIDS: Longterm hydrographs show groundwater level decline. Source: DWR 2) Red Bluff Diversion Dam removed [decomissioned] in 2012-not as much recharge from the river. Source: DWR

2018 Final Basin Prioritization: Basin priority changed from medium to high priority.