Table 2.9  Ammonium (mg/l) 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

110

90

70

60

60

60

40

5

20

5

JUN

60

70

430

190

60

140

20

80

40

JUL

70

50

60

100

100

80

60

40

5

30

JUL

120

540

140

110

110

80

110

110

70

AUG

50

80

10

30

30

5

5

5

5

5

AUG

40

120

320

90

44

60

70

40

60

SEP

120

170

90

110

140

150

70

50

50

120

SEP

200

170

180

130

66

100

50

110

80

OCT

80

110

90

160

160

150

120

170

170

140

OCT

80

160

90

90

22

90

230

80

240

NOV

130

120

110

110

110

130

110

100

70

70

NOV

100

1020

60

150

31

120

70

80

90

DEC

130

190

170

170

180

160

130

80

30

30

DEC

100

120

140

140

71

160

140

100

110

JAN

120

80

60

130

100

80

60

30

5

5

JAN

70

80

60

90

42

100

50

60

50

FEB

70

70

70

100

80

90

70

70

30

80

FEB

100

150

110

140

32

100

80

80

60

MAR

60

60

50

80

120

80

60

30

5

20

MAR

30

160

60

60

50

50

60

50

60

APR

90

100

100

130

140

130

110

70

60

80

APR

60

200

100

80

37

90

90

80

80

MAY

70

50

70

90

90

70

100

70

5

40

MAY

70

300

80

80

40

100

90

50

70

mean

92

98

79

106

109

99

78

60

38

52

mean

86

258

148

113

50

99

88

77

84

std dev

28

43

37

38

41

44

35

44

46

44

std dev

43

260

110

36

23

29

52

22

50

max

130

190

170

170

180

160

130

170

170

140

max

200

1020

430

190

110

160

230

110

240

min

50

50

10

30

30

5

5

5

5

5

min

30

70

60

60

22

50

20

40

40

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

Mean

JUN

140

80

140

80

170

10

70

90

60

JUN

80

170

70

300

90

70

240

99

JUL

150

150

1110

240

460

280

60

70

60

JUL

50

60

50

550

20

5

170

156

AUG

180

100

150

320

300

100

80

150

80

AUG

40

50

120

100

30

30

110

86

SEP

170

80

40

160

150

180

100

100

140

SEP

90

80

110

200

90

80

80

114

OCT

310

100

90

100

110

200

180

120

120

OCT

110

90

70

150

50

60

50

124

NOV

210

100

70

70

90

180

130

100

70

NOV

120

50

50

100

30

40

60

121

DEC

150

60

80

40

40

100

120

90

60

DEC

270

150

100

80

120

70

90

113

JAN

110

90

40

20

50

40

30

30

50

JAN

5

20

40

20

80

100

5

57

FEB

140

40

40

10

50

40

200

120

20

FEB

60

30

20

30

50

70

50

73

MAR

60

90

70

30

70

40

40

150

30

MAR

60

30

50

30

40

310

40

65

APR

80

110

70

50

50

60

100

120

40

APR

90

70

70

80

60

70

80

86

MAY

140

130

170

60

40

80

130

110

130

MAY

50

80

50

30

30

100

60

84

mean

153

94

173

98

132

109

103

104

72

mean

85

73

67

139

58

84

86

98

std dev

61

28

286

91

123

79

50

32

37

std dev

63

44

29

147

30

73

61

96

max

310

150

1110

320

460

280

200

150

140

max

270

170

120

550

120

310

240

1110

min

60

40

40

10

40

10

30

30

20

min

5

20

20

20

20

5

5

5