Sacramento Valley – Corning

Source: CA DWR

Sacramento Valley – Corning

Statistics

At-A-Glance

Located in California’s Sacramento River hydrologic region, the Sacramento Valley – Corning is 207,342.76 acres in size. This High priority basin is home to an estimated 18,902 people (2010 value), which have been at a rate of 18.23. Sacramento Valley – Corning is a(n) basin with approximately 3907 wells, of which approximately 35 are water supply wells. Groundwater accounts for approximately 82 percent of the basin’s water supply.

Source: CA DWR
Source: CA DWR

Basin Notes

2003Bulletin 118 basin description

2014: Basin Prioritization – medium. Comment: Continued GW level decline over most of the basin. This basin is becoming increasing dependent on GW due to uncertain reliability of CVP TCCA surface water supply. GW Use based on B118-03 and 2003 Tehama Co GW Inventory data

2016Basin boundary modification with Colusa 5-021.51 subbasin.

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

GSA Information


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