WRIR 00-4014
Quality Assurance and Analysis of Water Levels in Wells on Pahute Mesa and Vicinity, Nevada Test Site


CONTENTS

Abstract
Introduction
Water-Level Measurements
Sources of Water-Level Fluctuations
Analysis of Water Levels

Summary
References Cited
Appendix 1
Appendix 2

Appendix 2. Water-level measurements for selected wells on Pahute Mesa and vicinity, Nevada Test Site, 1963-98

Method used to determine depth to water: L, interpreted from geophysical log; R, reported, method not known; S, calibrated steel-tape measurement; T, calibrated electric tape; V, calibrated electric cable (wire line or iron horse).

Quality-assurance flag: A, anomalous value; AT, water level does not agree with second access tube in same open interval; C, affected by  well construction, queried where uncertain; D, dry hole; H or L, static water level in well is elevated above (H) or depressed below (L) regional ground-water level; R, well pumping or recently pumped; N, water level affected by nuclear test; X, water level corrected for borehole deviation; --, no flag applied

Water above bottom of open interval: length of water column in well from top of water to bottom of open interval listed in table 1.

USGS
well name
USGS site
 identification
number
Water-level measurement Water above
bottom of
open interval
(feet)
Date Depth below
land surface
(feet)
Altitude
(feet above
sea level)
Method Quality-
assurance
flag

ER-19-1-2 (middle)
(large access tube)

371043116142102

09-23-1994

1,190.5

4,949

V

C, AT

1,548

 

03-02-1995

1,173.2

4,967

V

C, AT

1,565

 

 

03-02-1995

1,173.2

4,967

V

C, AT

1,565

 

 

03-06-1995

1,171.9

4,968

V

C, AT

1,566

 

 

06-29-1995

1,149.1

4,991

V

C, AT

1,589

 

 

 

09-20-1995

1,164.7

4,975

V

C, AT

1,573

 

 

12-12-1995

1,184.7

4,955

T

C, AT

1,553

 

 

01-23-1996

1,174.3

4,966

T

C, AT

1,564

 

 

01-24-1996

1,174.1

4,966

T

C, AT

1,564

 

 

02-27-1996

1,169.2

4,971

T

C, AT

1,569

 

 

 

03-22-1996

1,165.3

4,975

T

C, AT

1,573

 

 

06-20-1996

1,231.0

4,909

T

C, AT

1,507

 

 

07-31-1996

1,266.8

4,873

V

C, AT

1,471

 

 

07-31-1996

1,267.2

4,873

T

C, AT

1,471

 

 

09-11-1996

1,282.5

4,857

V

C, AT

1,456

 

 

 

12-12-1996

1,317.8

4,822

V

C, AT

1,420

 

 

03-17-1997

1,320.7

4,819

T

C, AT

1,417

 

 

06-11-1997

1,308.5

4,831

T

C, AT

1,430

 

 

09-23-1997

1,296.9

4,843

T

C, AT

1,441

 

 

12-08-1997

1,294.7

4,845

T

C, AT

1,443

 

 

 

03-16-1998

1,282.2

4,858

T

C, AT

1,456

 

 

06-16-1998

1,276.2

4,864

T

C, AT

1,462


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