Upper Santa Ana Valley – Yucaipa

Source: CA DWR

Upper Santa Ana Valley – Yucaipa

Statistics

At-A-Glance

Located in California’s South Coast hydrologic region, the Upper Santa Ana Valley – Yucaipa is 22,219 acres in size. This High priority basin is home to an estimated 56,527 people (2010 value), which have been at a rate of 32.67. Upper Santa Ana Valley – Yucaipa is a(n) basin with approximately 246 wells, of which approximately 37 are water supply wells. Groundwater accounts for approximately 74.98 percent of the basin’s water supply.

Source: CA DWR
Source: CA DWR

Basin Notes

2003: Bulletin 118 basin description

2014: CASGEM prioritization – medium. Comments: Overdraft. Documented impacts of nitrates and sulfates. (B‐118)

2016: basin boundary modification with Bunker Hill 8-002.06, Rialto-Colton 8-002.04, and Riverside-Arlington 8-002.03

Revised basin boundary description

Jurisdictional boundary modification request by Yucaipa Valley Water District incomplete.

2018: Draft basin priority – high. Comments. 1) CASGEM/WDL/GWIDS: Longterm hydrographs show groundwater level decline. Source: DWR 2) See Final Phase 1 Report Common Ground Memorandum, San Timoteo Watershed Management Program,San Timoteo Watershed Management Authority / Wildermuth Environmental, Inc., 2002

2018 Final Basin Prioritization: Basin prioritization is changed from medium to high priority.

GSA Information


News

No SGMA news found for this basin.
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