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Water Resources Data, Iowa, Water Year 2002--Volume 1. Surface Water—Mississippi River Basin

by G.M. Nalley, J.G. Gorman, R.D. Goodrich, V.E. Miller, M.J. Turco, and S.M. Linhart

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Abstract

Water resources data for Iowa for the 2002 water year consists of records of stage, discharge, and water quality of streams; stage, and/or contents of lakes and reservoirs; ground water levels and water quality of ground-water wells. This report volume contains discharge records for 95 gaging stations; stage or contents for 6 lakes and reservoirs and 7 streams; water quality for 1 stream-gaging station; sediment records for 10 stream-gaging stations; and precipitation record for 7 precipitation stations. Also included are data for 58 crest-stage partial record stations.


Table of Contents

Preface

Surface-water stations, in downstream order, for which records are published in this volume

Discontinued surface-water discharge or stage-only stations

Discontinued surface-water-quality stations

Introduction

Cooperation

Summary of hydrologic conditions

Surface Water

Suspended Sediment

Ground-Water-Level Observation Network

Surface-Water Quality

Ground-Water Quality

Ground-Water Monitoring Network

Special networks and programs

Explanation of the records

Station Identification Numbers

Downstream Order System

Latitude-Longitude System

Numbering System For Wells

Records of Stage and Water Discharget

Data Collection and Computation

Data Presentation

Identifying Estimated Daily Discharge

Accuracy of the Records

Other Records Available

Records of Surface-Water Quality

Classification of Records

Arrangement of Records

On-Site Measurements and Sample Collection

Water Temperature and Specific Conductance

Sediment

Laboratory Measurements

Data Presentation

Remark Codes

Water Quality-Control Data

Dissolved Trace-Element Concentrations

Change in National Trends Network Procedures

Records of Ground-Water Levels

Data Collection and Computation

Data Presentation

Records of Ground-Water Quality

Data Presentation

Explanation of Quality of Ground-Water Data Tables

Access to USGS water data

Definition of terms

Publications on Techniques of Water-Resources Investigations of the U.S. Geological Survey

Station records, surface water

Crest-stage partial-record stations

Index

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Water Resources of Iowa


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