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Status: 1D_tm2.gif (65901 bytes) Completed

Latitude/Longitude (Datum is NAD-83):
  36o 39' 24.83931" North
116o 24' 17.74368" West

Legal Description:   
Township 15S Range 49E    
Section 12 SE 1/4

Ground Elevation (Datum NGVD-29):
823.106 meters (2,700.47 feet)

Access:  Take Highway 95 north from Amargosa Valley (formerly Lathrop Wells) to the Nevada Test Site Gate 510 access road; turn right.  Proceed 0.8 miles to  NC-EWPD-4PD on the left.

Purpose: Borehole NC-EWDP-4PD was designed to provide geologic and hydrologic information below 850 feet, and to serve as a pumping well during future large-scale pump tests.  The borehole was drilled to approximately 1,860 feet below ground surface and completed with 6 intervals screened in valley-fill geologic units.

Primary technical objectives include: 1) collect cuttings samples and run borehole geophysical logs to 1,860 feet; 2) conduct step-drawdown and 48-hour constant discharge tests to evaluate the hydrologic characteristics and water production potential of the well; 3) conduct isolated-zone packer tests to determine the hydrologic characteristics and production potential of each screened interval; 4) provide water chemistry data in each screened interval.

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Last Updated on 03/27/2010