Table 2.26  Biochemical Oxygen Demand (mg/l) data for the 1998-99 monitoring period at the Lower Cape Fear River Program stations.

5-Day Biochemical Oxygen Demand

 

 

 

 

 

20-Day Biochemical Oxygen Demand

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DWQ#

59

61

 

70

84

 

 

DWQ#

59

61

 

70

84

month

NC11

AC

BBT

B210

NCF117

 

 

month

NC11

AC

BBT

B210

NCF117

JUN

1.1

1.1

2.7

1.1

1.2

 

 

JUN

2.4

2.3

7.5

3.6

2.7

JUL

1.5

1.7

1.8

0.8

0.8

 

 

JUL

3.5

4.3

4.3

2.3

2.1

AUG

0.7

0.8

1.4

1.0

1.0

 

 

AUG

2.3

3.3

3.3

2.7

2.6

SEP

1.7

6.0

6.0

2.8

4.0

 

 

SEP

4.3

14.2

12.0

4.9

9.0

OCT

1.1

1.6

1.9

1.1

1.5

 

 

OCT

2.8

4.3

4.0

2.6

3.9

NOV

0.6

2.1

1.3

0.6

0.6

 

 

NOV

2.2

6.7

3.9

1.8

1.8

DEC

0.6

1.4

1.1

0.7

0.8

 

 

DEC

2.1

4.7

3.7

2.0

2.1

JAN

2.0

2.0

1.4

0.9

1.1

 

 

JAN

5.2

5.3

4.5

2.2

3.2

FEB

1.4

1.3

1.0

1.0

1.0

 

 

FEB

3.6

3.6

2.5

2.4

3.0

MAR

1.6

1.7

no data

0.7

0.8

 

 

MAR

3.5

3.9

no data

1.6

2.2

APR

0.7

0.9

0.9

1.2

1.1

 

 

APR

2.2

2.5

2.9

2.9

2.9

MAY

0.7

1.7

0.7

0.7

1.0

 

 

MAY

2.5

6.7

2.5

2.2

3.1

median

1.1

1.7

1.4

1.0

1.0

 

 

median

2.7

4.3

3.9

2.4

2.8

mean

1.1

1.9

1.8

1.0

1.2

 

 

mean

3.0

5.1

4.6

2.6

3.2

max

2.0

6.0

6.0

2.8

4.0

 

 

max

5.2

14.2

12.0

4.9

9.0

min

0.6

0.8

0.7

0.6

0.6

 

 

min

2.1

2.3

2.5

1.6

1.8

stdev

0.5

1.4

1.5

0.6

0.9

 

 

stdev

1.0

3.2

2.8

0.9

1.9