Table 2.25 Chlorophyll a (mg/l)
at the Lower Cape Fear River Program stations for the 1999-2000 monitoring period.
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 |
2.0 |
1.9 |
3.7 |
7.2 |
4.0 |
4.3 |
4.1 |
2.8 |
3.2 |
3.5 |
JUN |
4.2 |
2.9 |
3.2 |
2.2 |
0.9 |
1.1 |
1.7 |
0.6 |
0.6 |
||
JUL |
1.0 |
1.4 |
1.7 |
2.1 |
2.8 |
4.2 |
4.1 |
2.0 |
2.8 |
1.9 |
JUL |
1.7 |
0.6 |
1.7 |
0.9 |
0.9 |
0.7 |
1.4 |
0.6 |
0.4 |
||
AUG |
3.6 |
3.2 |
4.8 |
6.0 |
7.0 |
5.8 |
3.0 |
2.2 |
2.9 |
2.7 |
AUG |
6.8 |
4.5 |
8.8 |
1.5 |
1.0 |
3.4 |
4.8 |
0.8 |
0.7 |
||
SEP |
3.0 |
2.0 |
2.3 |
2.2 |
1.2 |
1.7 |
1.9 |
1.7 |
2.2 |
1.5 |
SEP |
3.9 |
2.5 |
3.5 |
2.3 |
3.2 |
1.1 |
0.5 |
0.3 |
0.1 |
||
OCT |
0.3 |
0.2 |
0.2 |
0.3 |
0.3 |
0.2 |
0.3 |
0.2 |
0.2 |
0.7 |
OCT |
0.5 |
0.3 |
0.3 |
0.3 |
0.2 |
0.2 |
0.2 |
0.1 |
0.2 |
||
NOV |
0.2 |
0.2 |
0.1 |
0.2 |
0.2 |
0.5 |
0.3 |
0.6 |
0.6 |
0.6 |
NOV |
0.4 |
0.3 |
0.2 |
0.2 |
0.1 |
0.2 |
0.1 |
0.1 |
0.1 |
||
DEC |
0.4 |
0.6 |
0.3 |
1.1 |
1.2 |
2.0 |
1.8 |
1.7 |
2.0 |
1.8 |
DEC |
0.8 |
0.5 |
0.4 |
0.3 |
0.2 |
0.3 |
0.3 |
0.1 |
0.1 |
||
JAN |
1.2 |
1.2 |
1.4 |
2.8 |
2.9 |
2.9 |
3.0 |
10.7 |
4.6 |
4.3 |
JAN |
1.1 |
0.8 |
0.8 |
0.9 |
0.6 |
0.8 |
1.2 |
0.4 |
0.3 |
||
FEB |
2.2 |
1.9 |
1.9 |
2.0 |
1.6 |
2.1 |
2.0 |
3.3 |
6.8 |
2.9 |
FEB |
3.3 |
0.7 |
2.4 |
2.3 |
1.2 |
1.7 |
0.7 |
0.9 |
0.9 |
||
MAR |
5.7 |
5.8 |
5.9 |
5.5 |
6.6 |
4.2 |
8.2 |
5.4 |
2.8 |
3.6 |
MAR |
8.5 |
5.9 |
6.8 |
6.6 |
5.3 |
5.9 |
2.1 |
1.9 |
1.0 |
||
APR |
3.5 |
2.6 |
2.7 |
3.1 |
3.5 |
2.5 |
4.1 |
3.8 |
4.4 |
3.1 |
APR |
6.2 |
2.4 |
3.9 |
3.8 |
1.5 |
2.7 |
1.6 |
1.0 |
1.0 |
||
MAY |
4.8 |
2.5 |
3.4 |
4.7 |
5.0 |
7.4 |
5.3 |
3.4 |
4.7 |
2.7 |
MAY |
5.1 |
2.9 |
3.3 |
3.4 |
3.0 |
2.3 |
0.9 |
0.4 |
0.4 |
||
mean |
2.3 |
2.0 |
2.4 |
3.1 |
3.0 |
3.2 |
3.2 |
3.2 |
3.1 |
2.4 |
mean |
3.5 |
2.0 |
2.9 |
2.1 |
1.5 |
1.7 |
1.3 |
0.6 |
0.5 |
||
std dev |
1.7 |
1.5 |
1.8 |
2.2 |
2.2 |
2.0 |
2.1 |
2.7 |
1.8 |
1.1 |
std dev |
2.6 |
1.7 |
2.5 |
1.8 |
1.5 |
1.6 |
1.2 |
0.5 |
0.3 |
||
max |
5.7 |
5.8 |
5.9 |
7.2 |
7.0 |
7.4 |
8.2 |
10.7 |
6.8 |
4.3 |
max |
8.5 |
5.9 |
8.8 |
6.6 |
5.3 |
5.9 |
4.8 |
1.9 |
1.0 |
||
min |
0.2 |
0.2 |
0.1 |
0.2 |
0.2 |
0.2 |
0.3 |
0.2 |
0.2 |
0.6 |
min |
0.4 |
0.3 |
0.2 |
0.2 |
0.1 |
0.2 |
0.1 |
0.1 |
0.1 |
||
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 |
12.3 |
0.3 |
59.9 |
6.3 |
42.7 |
2.4 |
0.9 |
2.0 |
12.5 |
JUN |
0.2 |
0.2 |
0.1 |
11.1 |
0.3 |
0.4 |
1.2 |
5.9 |
||||
JUL |
1.8 |
0.2 |
6.2 |
9.4 |
27.9 |
16.6 |
0.2 |
3.1 |
2.4 |
JUL |
0.4 |
0.8 |
0.3 |
15.7 |
0.9 |
0.5 |
0.7 |
3.4 |
||||
AUG |
1.5 |
0.3 |
84.7 |
7.6 |
30.9 |
4.2 |
1.2 |
1.1 |
15.1 |
AUG |
0.3 |
0.5 |
0.2 |
217.0 |
0.5 |
8.3 |
4.0 |
12.9 |
||||
SEP |
0.7 |
0.4 |
1.2 |
2.7 |
1.4 |
7.3 |
0.7 |
1.2 |
1.8 |
SEP |
0.4 |
0.3 |
1.2 |
1.6 |
0.2 |
0.9 |
0.2 |
1.7 |
||||
OCT |
0.4 |
0.2 |
0.2 |
2.0 |
1.3 |
4.4 |
0.1 |
0.2 |
0.4 |
OCT |
0.2 |
0.1 |
0.3 |
0.2 |
0.3 |
0.2 |
0.0 |
0.4 |
||||
NOV |
3.3 |
0.1 |
0.2 |
0.3 |
0.6 |
0.4 |
0.1 |
0.4 |
0.6 |
NOV |
0.1 |
0.1 |
0.1 |
0.1 |
0.6 |
0.2 |
0.3 |
0.4 |
||||
DEC |
0.3 |
0.1 |
0.2 |
0.2 |
0.4 |
0.8 |
0.1 |
1.0 |
0.5 |
DEC |
0.1 |
0.1 |
0.1 |
0.6 |
0.3 |
0.2 |
0.1 |
0.6 |
||||
JAN |
1.3 |
0.4 |
1.0 |
1.5 |
6.2 |
1.7 |
0.4 |
6.2 |
4.3 |
JAN |
0.3 |
0.3 |
0.6 |
0.7 |
1.0 |
0.5 |
0.5 |
2.0 |
||||
FEB |
8.2 |
5.8 |
5.6 |
2.0 |
5.1 |
1.6 |
1.3 |
0.8 |
0.6 |
FEB |
1.6 |
2.2 |
3.7 |
0.9 |
0.9 |
0.6 |
0.7 |
2.4 |
||||
MAR |
1.6 |
0.3 |
5.2 |
1.3 |
2.0 |
1.6 |
2.2 |
3.1 |
5.9 |
MAR |
0.5 |
5.2 |
2.4 |
1.4 |
1.1 |
1.5 |
4.9 |
3.9 |
||||
APR |
1.5 |
0.7 |
1.5 |
0.8 |
1.6 |
2.5 |
0.3 |
0.7 |
8.5 |
APR |
0.7 |
1.5 |
6.2 |
1.8 |
1.0 |
0.5 |
3.3 |
2.6 |
||||
MAY |
1.5 |
0.8 |
2.2 |
0.8 |
3.2 |
1.8 |
0.8 |
1.5 |
2.6 |
MAY |
0.4 |
0.7 |
0.7 |
1.4 |
3.6 |
0.4 |
1.0 |
2.5 |
||||
mean |
2.9 |
0.8 |
14.0 |
2.9 |
10.3 |
3.8 |
0.7 |
1.8 |
4.6 |
mean |
0.4 |
1.0 |
1.3 |
21.0 |
0.9 |
1.2 |
1.4 |
3.2 |
||||
std dev |
3.5 |
1.5 |
26.6 |
3.0 |
14.1 |
4.3 |
0.6 |
1.6 |
4.8 |
std dev |
0.4 |
1.4 |
1.8 |
59.3 |
0.9 |
2.2 |
1.6 |
12.1 |
||||
max |
12.3 |
5.8 |
84.7 |
9.4 |
42.7 |
16.6 |
2.2 |
6.2 |
15.1 |
max |
1.6 |
5.2 |
6.2 |
217.0 |
3.6 |
8.3 |
4.9 |
217.0 |
||||
min |
0.3 |
0.1 |
0.2 |
0.2 |
0.4 |
0.4 |
0.1 |
0.2 |
0.4 |
min |
0.1 |
0.1 |
0.1 |
0.1 |
0.2 |
0.2 |
0.0 |
0.0 |