USGS Water Resources of South Carolina

Annual Hydrologic Data Report of South Carolina for WY 2004

TABLE OF CONTENTS

Preface- Page iii

List of surface-water stations, in downstream order, by which records are published- Page vii

List of ground-water stations for which records are published -Page xi

List of discontinued surface-water-discharge stations-Page xii

List of discontinued surface-water-quality stations - Page xvi

Introduction - Page 1

Cooperation - Page 2

Summary of hydrologic conditions - Page 3

Precipitation and streamflow - Page 3

Ground water - Page 4

Definition of terms - Page 6

Downstream order and station numbers - Page 22

Numbering system for wells and miscellaneous sites - Page 22

Special networks and programs - Page 23

Explanation of stage- and water-discharge records - Page 24

Data collection and computation - Page 24

Data presentation - Page 26

Station manuscript - Page 26

Peak discharge greater than base discharge - Page 27

Data table of daily mean values - Page 27

Statistics of monthly mean data - Page 28

Summary statistics - Page 28

Identifying estimated daily discharge - Page 30

Accuracy of field data and computed results- Page 30

Other data records available - Page 30

Explanation of precipitation records - Page 31

Data collection and computation - Page 31

Data presentation- Page 31

Explanation of water-quality records - Page 31

Collection and examination of data - Page 31

Water analysis - Page 32

Surface-water-quality records- Page 32

Classification of records - Page 32

Accuracy of records - Page 33

Arrangement of records - Page 33

On-site measurements and sample collection - Page 33

Water temperature - Page 34

Sediment - Page 34

Laboratory measurements - Page 34

Data presentation - Page 35

Remarks Codes - Page 36

Water-quality control data - Page 36

Blank samples - Page 37

Reference samples - Page 37

Replicate samples - Page 37

Spike samples - Page 38

Explanation of ground-water-level records- Page 38

Site identification numbers - Page 38

Data Collection and Computation - Page 38

Data Presentation - Page 39

Water-level tables- Page 40

Hydrographs- Page 40

Ground-water-quality data - Page 40

Data collection and computation- Page 40

Laboratory measurements - Page 40

Access to USGS water data - Page 41

Surface-water records - Page 49

Discharge at partial-record stations and miscellaneous sites - Page 602

Lakes and Reservoirs in South Carolina - Page 602

Crest-Stage Partial-Record Stations - Page 603

Discharge at Miscellaneous Sites- Page 610

Ground-water records- Page 619

Index- Page 642

ILLUSTRATIONS

1. Monthly and yearly mean discharges at two long-term representative gaging stations during 2004 water year with the monthly and yearly mean discharges for the period of record - Page 5
2. System for numbering wells and miscellaneous sites- Page 23
3. Map showing location of streams, lakes and basins- Page 42
4. Map showing location of streamflow gaging stations- Page 43
5. Map showing location of stage-only stations- Page 44
6. Map showing location of water-quality stations- Page 45
7. Map showing location of precipitation stations- Page 46
8. Map showing location of crest-stage stations- Page 47
9. Map showing location of ground-water wells- Page 48