Sacramento Valley – Los Molinos
- Basin Name
- Sacramento Valley – Los Molinos
- Basin Number
- SGMA Basin Priority
- Critically Overdrafted
- Subject to SGMA
- DWR Region & POC
Northern Region Office
- Number of Wells
- Hydrologic Region Name
- Sacramento River Hydrologic Region
- Butte, Tehama
Located in California’s Sacramento River hydrologic region, the Sacramento Valley – Los Molinos is 99,422.40 acres in size. This Medium priority basin is home to an estimated 4,425 people (2010 value), which have been at a rate of 6.76. Sacramento Valley – Los Molinos is a(n) basin with approximately 438 wells, of which approximately 18 are water supply wells. Groundwater accounts for approximately 54 percent of the basin’s water supply.
2014: Basin prioritization – medium. Comment: Boron issues along east-side of basin. GW basin provides underflow to Mill Creek which supports endangered spring-run salmon. High SW-GW interaction for much of the western basin. GW Use based on 2003 Tehama Co GW Inventory data
Basin boundary modification request to consolidate basins of Tehama County pending with DWR.
2019: Basin boundary modification approved. Per DWR: It “consolidates the Dye Creek subbasin, Los Molinos subbasin, and Tehama County portion of the Vina subbasin into a single subbasin named the Los Molinos subbasin. The modification correlates with a separate request submitted by Butte County Department of Water and Resource Conservation to expand the Butte County portion of the Vina subbasin.” Phase 2 draft basin priority: medium.