Sacramento Valley – South Yuba

Source: CA DWR

Sacramento Valley – South Yuba



Located in California’s Sacramento River hydrologic region, the Sacramento Valley – South Yuba is 109,661 acres in size. This High priority basin is home to an estimated 44,907 people (2010 value), which have been at a rate of 55.78. Sacramento Valley – South Yuba is a(n) basin with approximately 1337 wells, of which approximately 49 are water supply wells. Groundwater accounts for approximately 46.64 percent of the basin’s water supply.

Source: CA DWR
Source: CA DWR

Basin Notes

2003: Bulletin 118 basin description

2014: CASGEM prioritization: medium.

2016: Boundary modified with North American 5-021.64 subbasin

2018: Draft Basin Prioritization – high. Comments: 1) CASGEM/WDL/GWIDS: Stable hydrographs. Source: DWR 2) Began using surface water in 1981 to mitigate previous declining groundwater levels; gwls have now recovered. Partly in response to this water table decline, the YCWA began to provide Yuba River water to Brophy Water District and South Yuba Water District in 1983. Monitoring indicates groundwater levels have recovered since the early 1980s. Currently both the Yuba North Subbasin and the Yuba South Subbasin are in good health. Source: Yuba County Water Supply Assessment, Magnolia Ranch DEIR, 2015

Priority set high because of inter-basin water transfers.

Groundwater-related transfer  “Type A” in which local groundwater is pumped to compensate for diverted surface water.

GSA Information

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