Upper Santa Ana Valley – Temescal

Source: CA DWR

Upper Santa Ana Valley – Temescal

Statistics

At-A-Glance

Located in California’s South Coast hydrologic region, the Upper Santa Ana Valley – Temescal is 22,964 acres in size. This Medium priority basin is home to an estimated 141,472 people (2010 value), which have been at a rate of 18.99. Upper Santa Ana Valley – Temescal is a(n) basin with approximately 207 wells, of which approximately 13 are water supply wells. Groundwater accounts for approximately 42.13 percent of the basin’s water supply.

Source: CA DWR
Source: CA DWR

Basin Notes

2003: Bulletin 118

2014: CASGEM basin prioritization – medium. Comment: Groundwater quality impaired by nitrates and inorganics in some wells (B‐118).

2016: Basin boundary modification with Elsinore 8-004, which partitioned the Elsinore Basin in two basins and aligned the boundaries.

2018: Draft basin priority – medium

2018 final basin priority:  Basin priority remains unchanged at medium priority.

GSA Information


News

No SGMA news found for this basin.
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