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Water Resource Characterization and Monitoring

Water Resource Sustainability

Water Quality Protection

Resource
Management

 

Well No. NC-GWE-Felderhoff-25-1PA

SITE SUMMARY AND  DATA

Status:  Completed on 05/31/2010

Latitude/Longitude (NAD 83) - Approximate:
36 37' 3.82" N     116 24' 33.75" W

Legal Description: T15S R49E S25 SE 1/4

Total Depth of Borehole (ft):  366.8
Total Depth of Well (ft):  320.6
Elevation of Ground Surface (ft amsl):  2282.0
Elevation of Water (ft amsl):  2313.5
Depth to Water (ft bgl):  268.5
Screened Interval (ft bgl):  275-315
Sandpack Depth (ft bgs):  270-325
Estimated Airlifted Water Production (gpm):  10-15
Alluvium Thickness (ft):
(depth to water values based on post-drilling measurements taken in March 2011)
 
 +500
Contact Intervals (ft bgl)

Stratigraphic Unit

0-15    Poorly Graded Sand with Gravel
15-16    Well Graded Sand with Gravel
16-17    Well Graded Sand with Silt and Gravel
17-20    Silty Sand with Gravel
20-65    Well Graded Gravel with Sand
65-70    Well Graded Sand with Gravel
70-150    Well Graded Gravel with Sand
150-190    Well Graded Sand
190-230    Clayey Gravel
230-240    Clayey Sand
240-280    Well Graded Gravel with Sand
280-290    Well Graded Sand with Gravel
290-340    Well Graded Gravel with Clay and Sand
340-367    Boulders

Access:  From the intersection of US Highway 95 and Highway 373, head south on Highway 373 about 1.9 miles and turn right onto an unnamed dirt road.  Proceed west along the dirt road about 0.25 miles to the cleared well pad area. The well is on the northwest part of the pad.  Click on the thumbnail image for a larger view.

Purpose
- Water Resource Conditions in the Amargosa Desert:  
NC-GWE-Felderhoff-25-1PA is one of seven boreholes and monitoring wells to: 1) collect baseline flow and chemical data south and west of the Nevada Nuclear Security Site, and 2) determine head relationships near the Gravity fault to help determine the role of the Gravity fault in restricting or facilitating groundwater flow in the Amargosa Valley.

 

Data:

 

RID Description Data Metadata Date

Well Completion Diagrams

7803.01 NC-GWE-Felderhoff-25-1PA Well Completion Diagram rid7803_01.pdf meta7803_01.pdf 4/15/11

Geophysical Data

7780 NC-GWE-Felderhoff 25-1PA Open Hole Geophysical Logs, including: natural gamma, 8-, 16-, 32-, and 64-inch normal and lateral resistivity, fluid temperature, fluid resistivity, and caliper logs. Data collected on 5/30/10; Data are in log ASCII format (.las). rid7780.zip meta7780.pdf 10/11/10
7849 NC-GWE-Felderhoff 25-1PA Completion Geophysical Logs, including: natural gamma, 8-, 16-, 32-, and 64-inch normal and lateral resistivity, fluid temperature, fluid resistivity, and density logs. Data collected on 12/18/2010; Data are in log ASCII format (.las). rid7849.zip meta7849.pdf 4/14/11

Ground Water Chemistry

7966 NC-GWE-PV-1, PV-2, PV-3, 2P, 8PA, Felderhoff-25-1PA, GF-3PA, GF-4, GF-4PA, OV-1, OV-2, NPS well AM-0501 (GF-1), and Inyo BLM #1 Ground water chemistry results including major ions, nutrients and metals from ACZ Laboratories, Inc.; SIRA of nitrogen in nitrate from Isotech Laboratory; gross alpha and beta, radium, and uranium from Radiation Safety Engineering, Inc.; and SIRA of carbon in TDIC, Radiocarbon (C-14) from Beta Analytic for the collection period from 3/21/2011 - 6/23/2011. rid7966.zip meta7966.pdf 3/15/12
7974 NC-GWE-PV-1, PV-2, PV-3, 2P, 8PA, Felderhoff-25-1PA, GF-3PA, GF-4, GF-4PA, OV-2, NPS well AM-0501 (GF-1), and Inyo BLM #1 Ground water chemistry results including pH, EC, SiO2, HCO3, CO3, Cl, SO4, NO3-N, Na, K, Ca, Mg, DOC from Desert Research Institute (DRI) Laboratory for the collection period from 3/21/2011 - 6/23/2011. rid7974.zip meta7974.pdf 3/29/12

GPS Location Data

7838 Post-processed Global Positioning System (GPS) positions for wells NC-GWE-PV-4, PV-5, 2P, 8PA, 33PA, and Felderhoff-25-1-PA. rid7838.pdf meta7838.pdf 03/26/12



Abbreviations:
NAD 83 - North American Datum of 1983
AMSL    - Above Mean Sea Level
BGL      - Below Ground Level
BGS      - Below Ground Surface
GPM     - Gallons Per Minute
GWE     - Groundwater Evaluation

 

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