Jones Tract

The Jones Tract is an island containing Lower Jones Tract and the Upper Jones Tract in the Sacramento-San Joaquin River Delta in San Joaquin County, California, fifteen kilometres west of Stockton. The 4,900 ha (12,000 acres) island is bounded on the north by Empire Cut, on the northeast by Whiskey Slough, on the southeast by Trapper Slough, and on the west, Middle River. The tracts are bifurcated by the parallel running Mokelumne Aqueduct, West Lower Jones Road, and a railroad originally built by the Achison Topeka and Santa Fe Railroad, which now carries freight trains of the BNSF Railway and Amtrak California's San Joaquin.

Jones Tract
USGS aerial imagery of the tract.
Jones Tract
Jones Tract
Jones Tract
Geography
LocationNorthern California
Coordinates37.937158°N 121.486473°W / 37.937158; -121.486473
Adjacent bodies of waterSacramento-San Joaquin River Delta
Area12,000 acres (4,900 ha)
Administration
State California
CountySan Joaquin

2004 levee failure

On 3 June 2004, the Upper Jones Tract levee near Woodward Island failed, inundating the entire island with more than 150,000 acre⋅ft (190,000,000 m3) of water. The island, which lies 3 metres below sea level, required three weeks to repair the breach, and an additional five months for de-watering after the pumps were shut down on 18 December 2004.[1] The levee failure resulted in approximately $90 million in repairs. [2]

See also

References
  1. Michael Mierzwa and Bob Suits (October 2005). "Chapter 3: Jones Tract 2004 Levee Break DSM2 Simulation" (PDF). Methodology for Flow and Salinity Estimates in the Sacramento-San Joaquin Delta and Suisun Marsh 26th Annual Progress Report. California Department of Water Resources: 3-2. Retrieved 2009-09-25.
  2. "Levee Failure in The Sacramento-San Joaquin River Delta" (PDF). California Department of Water Resources. Retrieved 11 May 2015.
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