USGS

Hydrogeology, Water Quality, and Potential for Transport of Organochlorine Pesticides in Ground Water at the North Hollywood Dump, Memphis, Tennessee

U.S. Geological Survey, Water-Resources Investigations Report 91-4022

by Robert E. Broshears and Michael W. Bradley


Table of Contents

Abstract

Introduction

Purpose and scope

Description of the study area

Previous investigations

Hydrogeology

Hydrogeologic units

Hydraulic conditions and properties

Ground-water flow

Interactions between ground water and surface water

Water quality

Inorganic constituents and properties

Delineation of water-quality degradation with a bioassay

Organochlorine pesticides

Potential for pesticide transport

Properties of organochlorine pesticides

Factors influencing pesticide transport

Experiments with chlordane

Estimated chlordane loading to the Wolf River

Source strength

Mobility and persistence

Contaminant transport simulations

Summary and conclusions

References cited

 


 

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