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-19-1-1 (deep)

371043116142101

09-22-1994

1,788.4

4,351

V

C,L

1,772

 

01-11-1995

1,791.6

4,348

V

C,L

1,768

 

 

03-02-1995

1,792.3

4,348

V

C,L

1,768

 

 

06-29-1995

1,793.3

4,347

V

C,L

1,767

 

 

09-20-1995

1,794.0

4,346

V

C,L

1,766

 

 

 

12-12-1995

1,793.5

4,346

T

C,L

1,766

 

 

01-23-1996

1,792.8

4,347

T

C,L

1,767

 

 

03-22-1996

1,792.4

4,347

T

C,L

1,768

 

 

06-17-1996

1,788.9

4,351

T

C,L

1,771

 

 

07-31-1996

1,787.2

4,353

V

C,L

1,773

 

 

 

07-31-1996

1,787.3

4,353

T

C,L

1,773

 

 

09-11-1996

1,789.4

4,350

V

L

1,771

 

 

11-19-1996

1,789.9

4,350

T

L

1,770

 

 

12-12-1996

1,789.9

4,350

V

L

1,770

 

 

03-17-1997

1,789.5

4,350

T

L

1,771

 

 

 

06-11-1997

1,789.8

4,350

T

L

1,770

 

 

09-23-1997

1,789.8

4,350

T

L

1,770

 

 

12-08-1997

1,788.4

4,351

T

L

1,772

 

 

03-16-1998

1,789.5

4,350

T

L

1,771

 

 

06-16-1998

1,789.9

4,350

T

L

1,770


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Last modified: Friday, May 19, 2000