Table 2.4   pH at the Lower Cape fear River Program stations for the 1999-2000 monitoring period.

DWQ#

72

73

75

86

87

88

89

90

91

93

DWQ#

59

74

61

92

71

85

70

84

month

NAV

HB

BRR

M61

M54

M42

M35

M23

M18

SPD

month

NC11

LVC

AC

DP

BBT

IC

NCF6

B210

NCF117

JUN

7.0

7.4

7.3

7.4

7.6

7.7

7.8

7.9

7.9

7.6

JUN

6.1

6.3

6.6

6.6

6.4

6.6

6.6

6.3

6.5

JUL

7.2

7.2

7.6

7.2

7.6

7.7

7.8

7.9

7.9

7.6

JUL

6.0

6.0

6.3

6.4

6.4

6.5

6.5

6.5

6.7

AUG

7.1

7.4

7.4

7.5

7.7

7.9

7.9

7.9

8.0

7.9

AUG

6.2

6.5

6.8

6.5

6.5

6.7

6.7

6.2

6.3

SEP

6.9

7.0

7.5

7.2

7.7

7.7

7.6

7.8

7.8

6.9

SEP

5.9

6.2

6.3

6.5

6.4

6.4

6.0

6.1

6.3

OCT

5.6

5.7

6.4

5.8

6.2

6.2

6.4

7.1

6.7

6.0

OCT

5.3

5.7

5.4

5.2

5.1

5.2

5.0

5.7

6.1

NOV

6.2

6.1

6.4

7.2

6.9

7.0

7.2

7.5

7.4

6.8

NOV

5.5

5.7

5.9

6.0

5.4

5.9

5.7

5.7

6.2

DEC

7.2

7.3

7.7

7.3

7.7

7.8

7.8

7.8

7.7

6.9

DEC

5.5

5.9

5.9

6.1

6.1

6.1

6.3

6.1

6.6

JAN

7.2

7.3

7.7

7.3

7.6

7.8

7.8

7.8

7.5

6.9

JAN

5.2

5.6

5.7

6.0

6.0

6.1

6.1

6.0

6.7

FEB

6.5

6.6

6.6

6.5

6.7

7.1

7.3

8.1

8.3

8.0

FEB

5.4

5.4

5.6

5.7

5.5

5.7

5.6

5.5

6.1

MAR

6.6

6.8

6.9

7.1

7.2

7.4

7.7

8.0

8.0

8.0

MAR

6.7

7.0

6.9

6.9

6.7

6.8

6.6

6.1

6.0

APR

6.6

6.6

7.5

6.4

7.7

7.5

7.7

7.9

7.9

7.5

APR

6.1

6.4

6.6

6.7

6.4

6.6

6.4

5.8

6.2

MAY

7.8

7.5

7.5

7.1

7.5

7.6

7.7

7.8

7.9

7.6

MAY

5.9

6.7

6.7

6.7

6.6

6.7

6.3

6.0

6.2

median

7.0

7.1

7.5

7.2

7.6

7.7

7.7

7.9

7.9

7.6

median

5.9

6.1

6.3

6.5

6.4

6.5

6.3

6.1

6.3

std dev

0.5

0.5

0.5

0.5

0.5

0.5

0.4

0.2

0.4

0.6

std dev

0.4

0.5

0.5

0.5

0.5

0.5

0.5

0.3

0.2

max

7.8

7.5

7.7

7.5

7.7

7.9

7.9

8.1

8.3

8.0

max

6.7

7.0

6.9

6.9

6.7

6.8

6.7

6.5

6.7

min

5.6

5.7

6.4

5.8

6.2

6.2

6.4

7.1

6.7

6.0

min

5.2

5.4

5.4

5.2

5.1

5.2

5.0

5.5

6.0

DWQ#

69

79

78

94

77

80

81

83

82

DWQ#

65

64

63

62

66

67

68

All Stations

month

ANC

SAR

GS

NC403

PB

LRC

ROC

BC117

BCRR

month

6RC

LCO

GCO

SR

BRN

HAM

COL

median

JUN

5.6

6.6

6.6

6.2

7.0

7.5

6.8

7.2

6.4

JUN

6.2

6.0

6.2

5.8

6.2

6.3

3.4

6.6

JUL

5.5

6.1

6.1

6.0

6.5

7.0

6.9

7.3

7.0

JUL

5.5

5.5

5.9

5.8

6.0

6.3

4.2

6.5

AUG

5.8

6.3

6.3

6.0

6.2

7.8

7.1

7.4

7.0

AUG

6.1

6.1

6.2

6.0

6.2

6.3

5.1

6.5

SEP

5.9

5.8

5.8

6.0

6.2

7.0

6.2

6.9

6.9

SEP

5.6

5.5

5.7

5.3

5.9

6.0

3.4

6.3

OCT

4.0

5.0

5.3

5.5

5.8

5.9

5.6

6.2

5.8

OCT

5.2

4.4

4.9

5.0

5.5

5.6

3.1

5.6

NOV

4.8

5.7

5.9

5.9

6.2

6.0

5.8

5.9

5.7

NOV

5.6

5.0

5.4

5.2

5.6

5.8

3.3

5.9

DEC

4.1

5.2

5.3

5.6

5.8

5.9

5.9

6.5

6.4

DEC

5.3

5.1

5.4

5.1

5.6

5.5

3.5

6.1

JAN

3.8

5.6

5.6

5.8

5.8

6.0

6.1

6.4

6.2

JAN

5.3

5.2

5.4

5.3

5.7

5.7

3.4

6.0

FEB

5.7

6.0

6.2

6.1

6.4

5.9

5.9

5.9

5.6

FEB

5.2

5.0

5.2

5.1

5.0

5.3

3.2

5.9

MAR

5.8

6.4

6.5

6.4

6.8

7.8

6.9

7.6

7.1

MAR

6.7

5.7

6.4

6.1

6.7

6.9

3.8

6.8

APR

5.8

6.3

6.5

6.3

6.6

7.0

6.7

7.3

7.1

APR

6.0

5.9

6.2

6.0

6.3

6.5

3.9

6.5

MAY

5.3

6.2

6.4

6.2

6.5

6.8

6.9

6.8

6.8

MAY

5.9

6.0

6.2

6.2

6.0

6.3

3.7

6.7

median

5.6

6.1

6.2

6.0

6.3

6.9

6.5

6.9

6.6

median

5.6

5.5

5.8

5.6

6.0

6.2

3.5

6.3

std dev

0.8

0.5

0.4

0.3

0.4

0.7

0.5

0.6

0.5

std dev

0.4

0.5

0.5

0.4

0.4

0.4

0.5

0.9

max

5.9

6.6

6.6

6.4

7.0

7.8

7.1

7.6

7.1

max

6.7

6.1

6.4

6.2

6.7

6.9

5.1

8.3

min

3.8

5.0

5.3

5.5

5.8

5.9

5.6

5.9

5.6

min

5.2

4.4

4.9

5.0

5.0

5.3

3.1

3.1