EXPLANATIONMostly sand with smaller amounts of clay or silt.Clay or siltBasement materialFreshwater - saltwater transition zone (250 parts per million interface)Hydrogeologic unit correlationInferred hydrogeologic unit correlation

200

100

0

–100

–200

–300

–400

–500

–600

–700

–800

–900

–1,000

–1,100

–1,200

–1,300

–1,400

–1,500

–1,600

200

100

0

–100

–200

–300

–400

–500

–600

–700

–800

–900

–1,000

–1,100

–1,200

–1,300

–1,400

–1,500

–1,600

DWRCalabash Station (HH 39J)

Brunswick CountyHospital (FF 35W)

SP

GR

SPR

SPGR

SPR

SP SPR

aquiferCreek Black

aquiferCape Fear

Upper

aquiferCape Fear

Lower

aquiferPeedee

Black Creek/McQueen Branchaquifer

Black Creek/McQueen Branchconfining unit

Upper Cape Fear/Charlestonaquifer

Lower Cape Fear/Charlestonconfining unit

Lower Cape Fear/Gramling sandsaquifer

Upper Cape Fear/Charleston confining unit

Peedee/Upper Crouch Branchaquifer

Peedee/Upper Crouch Branchconfining unit

Surficial/Upper Three Runs aquifer aquiferSurficial SP

GR

SPRSP

GR

SPR

GR

SP

GR

SPR

SP

GR

SPR

DWRGodley Station (Q 16G)

SPGR

SPR

DWRGrassy Point Station (O 15U)

SPSPR

DWRSladesville Station (O 13F)

SP

GR SPRSP

GR SPR

DWRNewlands Station (J 11V)

DWRNew Lake Station (M 12L)

SPGR SPR

DWRBig Flatty Creek Station (G 9C)

SPGRSPR

aquiferCreek

Black

aquiferCape Fear

Upper

aquiferCape Fear

Lower

aquifer

Peedee

aquiferBeaufort

aquiferCastle Hayne

120

100

80

60

40

20

0

–20

–40

–60

DWRCalabash Monitoring Station

DWRBolivia Monitoring Station

DWRTopsail Beach Monitoring Station

ENRDeppe Research Station

DWRGodley Station

DWRGrassy Point Station

DWRNew Lake Station

1970 1975 1980 1985 1990 1995 2000 2005

V 23X1 Surficial aquiferV 23X3 Beaufort aquiferV 23X2 Peedee aquiferFF 33D1 Surficial aquifer

FF 33D2 Peedee aquifer

45

40

35

30

25

20

15

10

5

01970 1975 1980 1985 1990 1995 2000 2005 2010 1982 1984 1986 1988 1990 1992 1994 1996 1998 2006200420022000 1980 1982 1984 1986 1988 1990 1992 1994 1996 20001998

1980 1985 1990 1995 2000 20102005 1965 1970 1975 1980 1985 20001990 1995 2005 1975 1980 1985 20001990 1995 2005 1974 1976 1978 19841980 1982 1986 1975 1980 1985 20001990 1995 2005 20102010

60

50

40

30

20

10

0

45

40

35

30

25

20

15

10

5

0

20

10

0

–10

–20

–30

–40

–50

–60

–70

0

–5

–10

–15

–20

–25

10

8

6

4

2

0

–2

–4

–6

–8

–10

DWRNewlands Station

DWRBig Flatty Creek Station

6

4

2

0

–2

–4

–6

–8

–10

4

3

2

1

0

–1

–2

–3

–4

BrunswickTech (FF 34N)

Basement

Basement

DWR BoliviaStation (FF 33D)

ColonialTrask 3 (EE 31H)

CoastalStates Foy (CC 29L)

DWR Topsail BeachStation (BB 28J) DWR Deppe

Station (V 23X)

Basement

aquiferCreek

Black

aquiferCape

Fear

Upper

aquifer

Peedee

aquifer

Beaufort

Creek

aquiferBeaufort

aquiferCastle

Hayne

aquiferCastle

aquiferYorktown

aquiferYorktown

Hayne

1 (12 ppm CL, July 1973)

3 (960 ppm CL, May 1973)

2 (760 ppm CL, May 1973)

4 (650 ppm CL, May 1973)

5 (3,800 ppm CL, July 1973)

6 (3,700 ppm CL, Mar 1973)

1

2

1

2 (1 ppm CL, Oct. 1999)

3 (3,102 ppm CL, Sept. 2004)

4 (2,350 ppmCL, Oct. 1999)

1 (5 ppm CL, Oct. 1999)

2 (0 ppm CL, Sept. 2004)

3 (22 ppm CL, Oct. 1999)

1 (260 ppm CL, Jan. 1981)2 (10 ppm CL, July 1998)

3 (0 ppm CL, Sept. 2004)

4 (45 ppm CL, Sept. 2004)

6 (19,360 ppm CL,June 2004)

5 (137 ppm CL, Sept. 2004) 1080 ppm CL, July 1980 5,400 ppm CL, June 1999

2 (2 ppm CL, Sept. 1999)

1

3 (25 ppm CL, Sept. 1999)

4 (454 ppm CL,Sept. 1999)

5 (5,100 ppm CL,Sept. 1978)

6 (13,000 ppm CL,Sept. 1978)

1 (13 ppm CL, June 1975)

2 (15 ppm CL, May 1976)

3 (3,200 ppmCL, July 1975)

4

5 (13,000 ppm CL, July 1976)

6 (16,000 ppm CL, Apr. 1976)

1 (76 ppm CL, Mar. 1997)

2 (265 ppm CL,Aug. 1996)

3 (8,400 ppm CL,Mar. 1997)

Screen zonenot logged

D’428 43 44

4546

47 48

Cape FearRiver

New River

White OakRiver

50 1949

E-E’ F-F’

H

Neuse RiverPungoRiver

51 52 26

Albemarle SoundPamlico River

0 5 MILES

0 5 KILOMETERS

EXPLANATIONMostly sand with smaller amounts of clay or silt.Clay or siltBasement materialFreshwater - saltwater transition zone (250 parts per million interface)Hydrogeologic unit correlationInferred hydrogeologic unit correlation

0 5 MILES

0 5 KILOMETERS

SN

O 15U1 Castle Hayne aquifer

ppm Parts per million

CL Chloride

ppm Parts per million

CL Chloride

ALTI

TUDE

, IN

FEE

T

ALTI

TUDE

, IN

FEE

T

Virginia

North Carolina

32°

33°

34°

35°

36°

75°76°77°78°79°80°81°82°

Georgia

SouthCarolina

EXPLANATION

Cross-section linesWell and well number

0 100 MILES50

0 100 KILOMETERS50

68

69

70

71

72

1D

D’

GI’

H

23

45

8

67

910

20

19181716

15

14

1312

1121

22

2423 25 26

27

31

302928

3233

34

3536

3738

4039

51

5049

48

4746

45

4443

41

42

52

53

54

55

56

64

58

59

60

66

63

65

57

61

62

67

60

A

A’

I

B

B’

C

C’

G’

F F’

E’

E

A A’

Locations of wells and cross sections in North and South Carolina

H’

Base from digital files of:U.S. Department of Commerce, Bureau of Census, 1990 Precensus TIGER/Line Files-Political boundaries, 1991U.S. Environmental Protection Agency, River File 3U.S. Geological Survey, 1:100,000 scale

Atlantic

Ocean

PROFESSIONAL PAPER 1773Southwest to Northeast Hydrogeologic Cross Section D’–H

through the North Carolina Coastal Plain—PLATE 6Campbell, B.G., and Coes, A.L., eds., 2010, Groundwater availability in the Atlantic Coastal Plain

of North and South Carolina

Southwest to Northeast Hydrogeologic Cross Section D’–H through the North Carolina Coastal PlainEdited by

Bruce G. Campbell and Alissa L. Coes2010

U.S. DEPARTMENT OF THE INTERIORU.S. GEOLOGICAL SURVEY

0

ALTI

TUDE

, IN

FEE

T

200

100

–100

–200

–300

–400

–500

–600

–700

–800

–900

–1,200

–1,300

–1,000

–1,100

–1,500

–1,600

–1,400

0

ALTI

TUDE

, IN

FEE

T

200

100

–100

–200

–300

–400

–500

–600

–700

–800

–900

–1,200

–1,300

–1,000

–1,100

–1,500

–1,600

–1,400

HH 39J7 Surficial aquiferHH 39J5 Peedee aquiferHH 39J4 Black Creek aquiferHH 39J3 Black Creek aquiferHH 39J6 Upper Cape Fear aquiferHH 39J2 Lower Cape Fear aquifer

EXPLANATION

BB 28J5 Surficial aquiferBB 28J4 Castle Hayne aquiferBB 28J2 Peedee aquiferBB 28J3 Black Creek aquifer

Q 16G6 Surficial aquiferQ 16G5 Yorktown aquiferQ 16G3 Castle Hayne aquiferQ 16G8 Castle Hayne aquiferQ 16G4 Castle Hayne aquiferQ 16G7 Peedee aquifer

EXPLANATIONM 12L2 Surficial aquiferM 12L5 Yorktown aquiferM 12L6 Yorktown aquiferM 12L8 Castle Hayne aquiferM 12L4 Castle Hayne aquiferM 12L3 Beaufort aquifer

EXPLANATIONJ 11V3 Yorktown aquiferJ 11V6 Yorktown aquiferJ 11V4 Castle Hayne aquiferJ 11V9 Castle Hayne aquiferJ 11V8 Beaufort aquiferJ 11V4 Upper Cape Fear aquifer

EXPLANATIONG 9C3 Surficial aquiferG 9C6 Surficial aquiferG 9C4 Castle Hayne aquifer

EXPLANATION

WAT

ER-L

EVEL

ALT

ITUD

E, IN

FEE

T

WAT

ER-L

EVEL

ALT

ITUD

E, IN

FEE

T

WAT

ER-L

EVEL

ALT

ITUD

E, IN

FEE

T