Sacramento Valley – Corning
Statistics
- Basin Name
- Sacramento Valley – Corning
- Basin Number
- 5-021.51
- SGMA Basin Priority
- High
- Critically Overdrafted
- No
- Hydrologic Region Name
- Sacramento River
- Counties
- Glenn, Tehama
At-A-Glance
Located in California’s Sacramento River hydrologic region, the Sacramento Valley – Corning subbasin is 207,342.76 acres in size. This High priority basin is home to an estimated 18,902 people (2010 value). It has approximately 3907 wells, of which approximately 28 are water supply wells. Groundwater accounts for approximately 82 percent of the basin’s water supply.
Basin Notes
2003: Bulletin 118 basin description
2014: Basin Prioritization – medium.
2016: Basin boundary modification
Revised basin boundary description
2018: Basin prioritization – medium Butte County basin boundary/consolidation request for Corning and the Wyandotte Creek 5-021.69, Colusa 5-021.52, Vina 5-021.57, West Butte 5-021.58, East Butte 5-021.59, Sutter 5-021.62 subbasins pending 2019: Basin boundary modification approved. Per DWR: It “consists of four parts. The first part revises and expands the Vina subbasin to cover groundwater dependent areas currently included in the northern portions of East Butte and West Butte subbasins. The modification extends the Butte County portion of Vina Subbasin southerly to the northern boundary of Western Canal Water District. The resulting Vina subbasin includes the City of Chico, unincorporated Durham, and the Durham Irrigation District. The second part modifies the western boundaries of the existing Butte County portion of Vina, and West Butte subbasins, near the Sacramento River to align with the Butte County line. The third part revises the southern boundary of the East Butte subbasin to follow the Butte/Sutter County line except for the Biggs-West Gridley Water District and Reclamation District 1004 jurisdictional boundaries; which results in these Districts being entirely within the resulting Butte subbasin. The fourth part consolidates the remaining East Butte and West Butte subbasin areas to form the Butte subbasin. ” Phase 2 draft priority: high
2022: January 28 – Groundwater Sustainability Plan (GSP) submitted to the Department of Water Resources (DWR)
2023: October 26 – GSP deemed incomplete by DWR. County of Glenn Groundwater Sustainability Agency – Corning given 180 days to submit a revised plan.
December 11 — Addressing Groundwater Overdraft in the Sacramento Valley – Public Policy Institute of California