Table 2.25 Chlorophyll a (mg/l)
data for the 1998-99 monitoring period at the Lower Cape Fear River Program
stations.
The North Carolina state standard for chlorophyll a in freshwater and in
tidal salt water is 40 mg/l.
|
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 |
2.6 |
2.7 |
2.7 |
2.6 |
3.6 |
14.5 |
10.8 |
10.5 |
7.7 |
12.9 |
|
|
JUN |
2.9 |
3.5 |
5.0 |
3.3 |
2.4 |
2.8 |
2.3 |
0.4 |
1.4 |
|
JUL |
6.6 |
6.1 |
7.3 |
11.3 |
12.9 |
14.6 |
14.1 |
8.4 |
7.1 |
9.5 |
|
|
JUL |
9.7 |
10.2 |
11.7 |
10.4 |
13.4 |
6.0 |
8.7 |
1.3 |
4.9 |
|
AUG |
3.0 |
5.0 |
8.6 |
5.6 |
6.2 |
6.0 |
6.1 |
5.5 |
5.4 |
4.6 |
|
|
AUG |
3.2 |
3.5 |
4.7 |
3.4 |
4.6 |
3.0 |
8.9 |
2.1 |
17.1 |
|
SEP |
0.5 |
0.6 |
0.6 |
0.7 |
0.9 |
1.1 |
1.2 |
1.8 |
2.2 |
2.0 |
|
|
SEP |
0.5 |
0.9 |
1.1 |
0.8 |
0.4 |
0.5 |
0.7 |
0.5 |
0.3 |
|
OCT |
3.0 |
2.6 |
4.5 |
3.4 |
4.5 |
4.1 |
2.9 |
4.0 |
5.5 |
4.6 |
|
|
OCT |
2.7 |
2.7 |
2.3 |
1.2 |
1.3 |
0.9 |
1.8 |
0.3 |
0.5 |
|
NOV |
5.5 |
6.2 |
6.5 |
5.2 |
5.6 |
4.0 |
4.0 |
4.3 |
3.9 |
3.8 |
|
|
NOV |
1.9 |
1.9 |
2.8 |
0.9 |
1.1 |
2.3 |
7.8 |
0.2 |
0.5 |
|
DEC |
2.0 |
1.6 |
2.4 |
2.0 |
2.6 |
3.0 |
2.5 |
1.7 |
1.7 |
1.9 |
|
|
DEC |
0.5 |
0.7 |
0.6 |
0.7 |
0.6 |
1.0 |
5.3 |
0.3 |
1.3 |
|
JAN |
1.6 |
1.2 |
0.8 |
1.0 |
1.3 |
1.4 |
1.1 |
1.7 |
3.2 |
1.8 |
|
|
JAN |
2.7 |
0.3 |
2.6 |
1.8 |
1.6 |
0.8 |
0.7 |
0.2 |
0.3 |
|
FEB |
1.2 |
1.0 |
1.0 |
1.1 |
1.1 |
1.0 |
0.9 |
1.4 |
2.5 |
1.8 |
|
|
FEB |
2.0 |
0.8 |
1.6 |
1.4 |
0.7 |
0.8 |
0.7 |
0.6 |
0.9 |
|
MAR |
4.0 |
2.4 |
2.8 |
2.2 |
2.1 |
2.5 |
3.7 |
4.3 |
6.7 |
4.6 |
|
|
MAR |
11.2 |
10.5 |
10.0 |
5.9 |
5.5 |
6.1 |
2.0 |
0.3 |
0.3 |
|
APR |
1.7 |
1.8 |
1.7 |
2.4 |
3.4 |
4.7 |
3.3 |
2.1 |
3.4 |
2.3 |
|
|
APR |
2.0 |
1.8 |
1.8 |
2.2 |
1.5 |
1.9 |
2.4 |
0.6 |
1.0 |
|
MAY |
1.1 |
0.7 |
1.0 |
1.0 |
1.2 |
1.4 |
1.6 |
2.8 |
3.3 |
1.9 |
|
|
MAY |
0.9 |
0.5 |
0.7 |
0.9 |
0.6 |
0.6 |
0.6 |
0.2 |
0.4 |
|
mean |
2.7 |
2.7 |
3.3 |
3.2 |
3.8 |
4.9 |
4.3 |
4.0 |
4.4 |
4.3 |
|
|
mean |
3.4 |
3.1 |
3.7 |
2.7 |
2.8 |
2.2 |
3.5 |
0.6 |
2.4 |
|
std dev |
1.8 |
1.9 |
2.6 |
2.9 |
3.2 |
4.6 |
3.9 |
2.8 |
1.9 |
3.4 |
|
|
std dev |
3.3 |
3.4 |
3.5 |
2.7 |
3.5 |
1.9 |
3.1 |
0.5 |
4.6 |
|
max |
6.6 |
6.2 |
8.6 |
11.3 |
12.9 |
14.6 |
14.1 |
10.5 |
7.7 |
12.9 |
|
|
max |
11.2 |
10.5 |
11.7 |
10.4 |
13.4 |
6.1 |
8.9 |
2.1 |
17.1 |
|
min |
0.5 |
0.6 |
0.6 |
0.7 |
0.9 |
1.0 |
0.9 |
1.4 |
1.7 |
1.8 |
|
|
min |
0.5 |
0.3 |
0.6 |
0.7 |
0.4 |
0.5 |
0.6 |
0.2 |
0.3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
DWQ# |
69.0 |
79.0 |
78.0 |
94.0 |
77.0 |
80.0 |
81.0 |
83.0 |
82.0 |
|
|
|
DWQ# |
65.0 |
64.0 |
63.0 |
62.0 |
66.0 |
67.0 |
68.0 |
|
All Stations |
|
month |
ANC |
SAR |
GS |
NC403 |
PB |
LRC |
ROC |
BC117 |
BCRR |
|
|
|
month |
6RC |
LCO |
GCO |
SR |
BRN |
HAM |
COL |
|
Mean |
|
JUN |
0.8 |
0.5 |
4.4 |
10.1 |
29.8 |
18.6 |
0.8 |
3.5 |
7.9 |
|
|
|
JUN |
0.2 |
0.7 |
0.9 |
0.3 |
0.7 |
0.5 |
0.4 |
|
5.0 |
|
JUL |
4.5 |
0.4 |
71.5 |
12.6 |
36.4 |
3.8 |
5.9 |
5.3 |
9.2 |
|
|
|
JUL |
0.7 |
1.0 |
1.1 |
84.5 |
0.5 |
16.3 |
18.0 |
|
12.7 |
|
AUG |
1.0 |
0.4 |
166.3 |
21.9 |
24.0 |
5.8 |
0.8 |
4.4 |
6.7 |
|
|
|
AUG |
0.7 |
0.4 |
1.2 |
24.9 |
0.8 |
0.7 |
2.5 |
|
10.5 |
|
SEP |
12.0 |
1.2 |
5.3 |
17.2 |
7.4 |
4.2 |
2.0 |
1.0 |
3.7 |
|
|
|
SEP |
0.9 |
0.7 |
3.2 |
27.5 |
1.3 |
0.8 |
0.5 |
|
3.0 |
|
OCT |
1.1 |
0.3 |
14.8 |
3.0 |
7.9 |
0.9 |
0.7 |
35.3 |
52.1 |
|
|
|
OCT |
0.2 |
0.7 |
0.5 |
14.8 |
0.4 |
1.5 |
0.4 |
|
5.4 |
|
NOV |
0.8 |
0.2 |
1.7 |
2.8 |
9.3 |
0.5 |
0.5 |
1.5 |
22.5 |
|
|
|
NOV |
0.4 |
0.2 |
0.5 |
1.4 |
1.1 |
0.2 |
0.3 |
|
3.2 |
|
DEC |
0.1 |
0.1 |
1.3 |
1.6 |
5.2 |
2.7 |
0.2 |
0.8 |
0.9 |
|
|
|
DEC |
0.3 |
0.2 |
0.4 |
5.2 |
0.3 |
4.3 |
0.4 |
|
1.6 |
|
JAN |
0.7 |
0.4 |
0.5 |
3.0 |
1.1 |
1.0 |
0.7 |
0.9 |
0.3 |
|
|
|
JAN |
1.4 |
0.6 |
0.9 |
1.3 |
1.2 |
2.5 |
0.2 |
|
1.2 |
|
FEB |
0.9 |
0.9 |
2.0 |
1.1 |
5.2 |
5.6 |
1.0 |
1.5 |
1.8 |
|
|
|
FEB |
0.5 |
0.5 |
0.7 |
1.3 |
0.4 |
0.4 |
0.2 |
|
1.3 |
|
MAR |
0.8 |
0.5 |
0.5 |
1.3 |
1.2 |
4.6 |
0.5 |
1.5 |
1.7 |
|
|
|
MAR |
0.3 |
0.5 |
0.3 |
0.5 |
0.5 |
0.8 |
0.2 |
|
2.9 |
|
APR |
1.2 |
0.4 |
0.8 |
0.8 |
18.7 |
0.9 |
0.1 |
0.7 |
0.4 |
|
|
|
APR |
0.2 |
0.4 |
0.3 |
0.8 |
0.5 |
0.4 |
0.8 |
|
2.0 |
|
MAY |
0.6 |
0.3 |
0.8 |
1.1 |
1.9 |
2.7 |
0.3 |
1.5 |
6.0 |
|
|
|
MAY |
0.2 |
0.5 |
0.4 |
0.6 |
0.4 |
0.3 |
0.3 |
|
1.1 |
|
mean |
2.0 |
0.5 |
22.5 |
6.4 |
12.3 |
4.3 |
1.1 |
4.8 |
9.4 |
|
|
|
mean |
0.5 |
0.5 |
0.9 |
13.6 |
0.7 |
2.4 |
2.0 |
|
4.2 |
|
std dev |
3.2 |
0.3 |
47.4 |
7.0 |
11.5 |
4.7 |
1.5 |
9.3 |
14.1 |
|
|
|
std dev |
0.4 |
0.2 |
0.8 |
23.4 |
0.3 |
4.3 |
4.9 |
|
10.9 |
|
max |
12.0 |
1.2 |
166.3 |
21.9 |
36.4 |
18.6 |
5.9 |
35.3 |
52.1 |
|
|
|
max |
1.4 |
1.0 |
3.2 |
84.5 |
1.3 |
16.3 |
18.0 |
|
166.3 |
|
min |
0.1 |
0.1 |
0.5 |
0.8 |
1.1 |
0.5 |
0.1 |
0.7 |
0.3 |
|
|
|
min |
0.2 |
0.2 |
0.3 |
0.3 |
0.3 |
0.2 |
0.2 |
|
0.1 |