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A pilot study for delineations of areas contributing water to wellfields at Jackson, Tennessee

U.S. Geological Survey, Water Resources Investigations Report 89-4201

by R.E. Broshears, J.F. Connell and N.C. Short


Table of Contents

Abstract

Introduction

Purpose and scope

Objectives

Hydrogeologic setting

Surface features and climate

Geology

Conceptualization of the ground-water flow system

Estimation of hydrologic variables

Recharge

Hydraulic conductivity and transmissivity

Porosity

Water-table configuration and ground-water velocity

Water-use history

Ground-water quality

Potential sources of ground-water contamination

Hazardous-waste sites

Municipal and industrial landfills

Underground storage tanks

Septic-tank systems

Delineation of areas contributing water to wellfields

Goals

Criteria

Distance

Drawdown

Time of travel

Flow boundaries

Assimilative capacity

Application to Jackson area

Volumetric flow

Recharge balance

Drawdown threshold

Flow and time-of-travel boundaries

Design for future studies

Summary and conclusions

References cited

 


 

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