Table 2.25  Chlorophyll a (mg/l) at the Lower Cape Fear River Program stations for the 2000-2001 monitoring period.  The North Carolina state standard for chlorophyll a in freshwater and tidal salt water is 40 mg/l.

DWQ# 72 73 75 86 87 88 89 90 91 93     DWQ# 59 61 92   71 85 70 84  
month NAV HB BRR M61 M54 M42 M35 M23 M18 SPD     month NC11 AC DP BBT IC NCF6 B210 NCF117  
JUN 5.3 5.5 11.3 6.3 17.2 15.8 10.1 9.6 7.4 7.2     JUN 5.1 9.0 4.0 10.2 2.0 2.2 0.6 1.6  
JUL 2.4 6.6 10.6 6.4 9.1 12.8 7.2 4.6 2.4 2.9     JUL 8.4 3.7 3.4 1.5 1.4 4.1 0.7 1.9  
AUG 2.7 3.3 4.8 4.9 4.8 5.3 5.1 8.1 8.4 5.9     AUG 3.3 3.3 5.3 1.4 2.9 0.9 0.4 0.4  
SEP 1.0 1.1 1.0 1.5 2.1 2.1 2.6 2.4 3.1 9.9     SEP 1.1 1.1 1.1 0.4 0.7 0.6 0.4 0.3  
OCT 1.0 0.8 1.0 1.1 1.6 2.0 4.1 4.7 5.7 3.1     OCT 0.8 0.9 0.8 0.6 0.5 0.4 0.2 0.2  
NOV 1.5 1.7 1.9 3.4 2.5 2.5 1.6 2.5 2.7 3.4     NOV 2.0 1.7 1.3 1.0 0.9 1.7 0.2 0.2  
DEC 0.4 0.5 0.5 0.8 0.7 1.0 1.3 2.2 2.1 1.7     DEC 0.4 0.4 0.5 0.3 0.3 0.3 0.3 0.2  
JAN 2.7 2.4 2.3 2.3 2.8 4.1 3.5 3.0 3.1 3.7     JAN 2.7 2.3 1.6 1.7 2.0 1.2 2.1 1.0  
FEB 4.8 4.5 3.5 2.3 2.4 2.8 4.0 7.0 8.2 6.4     FEB 14.9 10.4 7.5 6.0 4.3 2.1 0.9 0.8  
MAR 2.8 1.9 2.6 2.4 2.6 2.5 4.6 6.1 6.8 4.7     MAR 4.2 2.6 2.1 1.4 1.3 0.7 0.7 0.4  
APR 5.2 3.8 4.1 3.6 8.1 9.0 10.4 5.9 6.0 4.5     APR 4.5 4.3 4.9 3.8 4.1 1.1 2.5 1.1  
MAY 3.4 5.4 5.4 3.6 5.6 6.1 3.3 4.0 3.1 3.9     MAY 15.2 13.6 8.5 8.7 7.1 7.3 2.0 1.4  
JUN 2.5 2.0 3.0 2.7 5.6 18.2 9.7 6.3 7.2 5.9     JUN 6.6 5.7 5.9 4.3 6.5 2.0 0.7 1.6  
mean 2.7 3.0 4.0 3.2 5.0 6.5 5.2 5.1 5.1 4.9     mean 5.3 4.5 3.6 3.2 2.6 1.9 0.9 0.9  
std dev 1.5 1.9 3.3 1.7 4.3 5.5 3.0 2.2 2.3 2.1     std dev 4.7 3.9 2.5 3.1 2.2 1.8 0.7 0.6  
max 5.3 6.6 11.3 6.4 17.2 18.2 10.4 9.6 8.4 9.9     max 15.2 13.6 8.5 10.2 7.1 7.3 2.5 1.9  
min 0.4 0.5 0.5 0.8 0.7 1.0 1.3 2.2 2.1 1.7     min 0.4 0.4 0.5 0.3 0.3 0.3 0.2 0.2  
                                             
                                             
                                             
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 2.7 0.8 3.2 8.5 6.0 0.7 0.4 0.8 205.7       JUN 0.3 1.4 0.7 8.6 2.2 0.8 0.6   11.0
JUL 16.7 0.4 3.1 5.6 45.3 0.6 0.7 2.1 151.8       JUL 0.3 0.5 0.7 0.9 1.8 1.0 2.8   9.5
AUG 1.3 0.9 1.8 5.6 5.4 3.8 1.0 0.6 5.3       AUG 0.6 1.2 1.1 1.7 0.8 0.7 1.0   3.1
SEP 0.8 0.7 1.7 3.2 4.3 2.9 0.6 0.7 0.7       SEP 0.9 0.3 0.9 0.6 0.9 0.9 1.0   1.6
OCT 1.9 0.2 0.8 4.5 2.1 0.8 0.1 0.4 0.7       OCT 0.1 1.0 0.9 0.6 0.8 0.2 0.2   1.3
NOV 2.4 0.2 4.4 1.2 5.6 0.9 0.3 0.8 13.2       NOV 0.5 0.2 0.3 1.2 1.0 0.2 0.2   1.9
DEC 0.3 0.3 0.6 0.4 0.7 1.2 1.5 0.6 0.8       DEC 0.5 0.5 0.7 0.7 1.0 0.4 0.2   0.7
JAN 1.8 2.4 3.7 4.9 4.0 55.8 18.2 5.2 2.9       JAN 2.4 0.6 1.5 1.5 4.8 1.3 0.2   4.6
FEB 1.2 1.3 2.1 5.7 3.4 28.3 9.5 5.8 1.1       FEB 1.5 2.2 0.8 2.4 2.2 3.9 0.3   4.8
MAR 4.3 1.9 0.7 3.0 4.0 5.1 1.7 1.4 1.3       MAR 2.3 1.7 1.0 1.5 2.4 3.3 1.6   2.6
APR 2.2 1.8 2.8 2.3 3.0 2.8 1.1 2.7 6.9       APR 1.1 2.8 1.1 1.9 1.0 1.4 1.7   3.6
MAY 1.1 0.4 5.2 0.7 5.5 5.4 0.9 0.9 96.6       MAY 0.5 0.4 0.3 1.1 1.1 0.4 1.5   6.8
JUN 2.0 1.1 3.4 2.4 6.7 7.1 2.2 0.8 2.2       JUN 0.8 1.2 1.5 1.9 0.5 1.5 1.0   3.9
mean 3.0 1.0 2.6 3.7 7.4 8.9 2.9 1.8 37.6       mean 0.9 1.1 0.9 1.9 1.6 1.2 0.9   4.3
std dev 4.1 0.7 1.4 2.3 11.1 15.3 5.0 1.7 66.0       std dev 0.7 0.8 0.4 2.0 1.1 1.1 0.8    
max 16.7 2.4 5.2 8.5 45.3 55.8 18.2 5.8 205.7       max 2.4 2.8 1.5 8.6 4.8 3.9 2.8   11.0
min 0.3 0.2 0.6 0.4 0.7 0.6 0.1 0.4 0.7       min 0.1 0.2 0.3 0.6 0.5 0.2 0.2   0.7