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

UE-20f

371617116291701

01-13-1965

 1,776.6 4,340 V H 11,909

 

 

06-10-1965

 1,772 4,344 V H 11,914

 

 

12-17-1968

 1,780 4,336 L H 11,906

 

 

01-24-1969

 1,728 4,388 L N, H 11,958

 

 

01-21-1972

 1,760 4,356 L N, H 11,926

 

 

11-24-1974

 1,763 4,353 L N, H 11,923

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Last modified: Tuesday, July 18, 2000