Sacramento Valley – Antelope
Statistics
- Basin Name
- Sacramento Valley – Antelope
- Basin Number
- 5-021.54
- SGMA Basin Priority
- High
- Critically Overdrafted
- No
- Hydrologic Region Name
- Counties
- Tehama
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.

Basin Notes
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.