Table 2.5  Dissolved Oxygen (mg/l) at the Lower Cape Fear River Program stations for the 2000-2001 monitoring period.  North Carolina State standard is 5 mg/l (4 mg/l for swampwater).

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 4.6 5.1 6.2 5.7 6.5 7.6 7.6 7.7 7.4 6.6   JUN 7.6 7.0 6.7 5.5 5.6 5.6 6.3 5.1 4.9
JUL 4.1 4.1 4.4 5.1 5.6 6.1 6.6 6.5 6.3 5.8   JUL 7.1 6.1 6.3 4.8 4.4 4.5 5.9 5.2 5.5
AUG 4.9 4.8 4.8 4.0 4.2 4.6 5.0 6.2 6.4 4.5   AUG 6.6 4.3 6.2 6.1 4.0 5.1 3.5 4.4 3.0
SEP 4.3 4.1 4.3 4.3 4.1 4.4 4.7 5.5 5.7 5.2   SEP 7.0 5.2 6.7 6.3 4.8 5.3 4.6 4.7 3.5
OCT 5.7 5.7 5.7 5.7 6.3 6.8 7.2 7.5 7.6 7.1   OCT 7.6 7.2 7.4 6.3 6.1 5.9 5.1 6.7 4.6
NOV 6.0 6.1 6.3 6.5 7.3 6.8 7.0 7.3 7.2 6.7   NOV 8.4 8.1 8.0 6.6 6.4 6.4 6.5 6.5 5.6
DEC 9.5 9.4 9.1 8.8 8.9 9.0 9.2 9.2 9.2 9.0   DEC 10.0 9.6 9.8 9.7 9.2 9.2 7.9 10.4 9.4
JAN 11.1 11.3 11.1 10.9 10.8 10.7 10.4 9.8 9.5 9.9   JAN 12.4 12.3 12.1 11.8 11.8 11.7 10.7 12.0 11.1
FEB 9.9 9.9 9.9 9.7 9.8 9.8 9.9 10.3 9.9 9.6   FEB 12.1 11.6 11.7 10.6 10.5 10.2 9.8 10.5 9.6
MAR 9.2 9.0 9.0 9.0 9.2 9.3 9.3 9.4 9.1 8.9   MAR 10.1 9.8 9.9 9.5 9.0 8.8 8.7 9.0 8.4
APR 8.3 8.0 8.0 7.8 8.7 8.6 8.8 8.8 8.2 8.3   APR 9.0 5.7 8.8 8.5 8.0 8.0 6.7 7.6 6.7
MAY 5.6 6.0 5.8 5.8 6.6 5.9 6.0 6.6 6.4 7.1   MAY 9.1 8.0 7.9 6.4 6.2 6.1 6.4 6.2 6.1
JUN 5.6 6.0 5.7 5.7 6.0 6.9 7.6 7.2 7.4 6.5   JUN 6.8 6.7 6.6 6.4 5.7 6.4 5.2 4.6 3.7
mean 6.8 6.9 6.9 6.8 7.2 7.4 7.6 7.8 7.7 7.3   mean 8.8 7.8 8.3 7.6 7.1 7.2 6.7 7.1 6.3
std dev 2.3 2.3 2.1 2.1 2.0 1.9 1.7 1.5 1.3 1.6   std dev 1.9 2.3 1.9 2.1 2.3 2.1 2.0 2.5 2.5
max 11.1 11.3 11.1 10.9 10.8 10.7 10.4 10.3 9.9 9.9   max 12.4 12.3 12.1 11.8 11.8 11.7 10.7 12.0 11.1
min 4.1 4.1 4.3 4.0 4.1 4.4 4.7 5.5 5.7 4.5   min 6.6 4.3 6.2 4.8 4.0 4.5 3.5 4.4 3.0
                                           
                                           
                                           
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 3.5 4.1 4.2 0.4 5.2 8.7 5.0 5.2 3.8     JUN 5.9 4.9 4.1 0.9 5.0 5.2 5.0   5.4
JUL 1.2 5.0 3.1 0.7 0.8 11.0 6.2 12.5 4.6     JUL 6.1 6.2 5.1 1.9 5.3 5.0 5.8   5.3
AUG 3.9 3.4 3.4 1.7 3.6 7.2 6.0 6.5 5.6     AUG 6.4 5.1 3.0 3.3 7.1 5.3 5.6   4.8
SEP 4.7 5.3 5.0 1.6 1.5 7.6 4.6 6.9 6.7     SEP 4.9 4.8 4.3 2.6 6.4 6.8 4.7   4.9
OCT 6.5 8.0 8.6 3.7 5.1 11.0 8.5 7.9 6.5     OCT 8.5 6.9 6.1 4.6 9.1 7.3 6.9   6.8
NOV 2.6 7.9 5.9 3.2 3.8 10.5 8.2 5.2 2.4     NOV 9.1 9.1 8.4 4.4 9.3 5.6 7.4   6.6
DEC 9.6 11.3 11.9 7.6 8.9 11.8 11.7 10.9 9.9     DEC 11.4 11.0 10.7 10.6 11.5 11.3 10.0   9.9
JAN 10.0 11.5 11.6 8.0 6.5 12.5 12.5 11.2 11.4     JAN 11.9 12.0 10.9 11.3 11.8 10.8 10.8   11.0
FEB 9.1 10.5 10.6 6.3 10.5 11.6 11.6 10.8 9.8     FEB 11.1 11.2 9.9 9.9 11.1 11.2 9.7   10.3
MAR 7.2 7.4 9.1 5.4 8.5 9.2 8.0 9.5 9.4     MAR 9.2 9.1 8.4 8.4 9.5 8.8 7.9   8.8
APR 7.9 7.6 10.8 6.5 11.7 9.4 7.6 10.1 9.9     APR 9.3 9.6 8.3 9.9 9.4 9.3 8.0   8.5
MAY 3.7 5.4 4.1 2.2 5.8 13.5 6.1 8.8 2.5     MAY 7.2 7.6 6.7 2.8 9.1 6.5 6.8   6.4
JUN 3.7 4.3 6.3 0.2 6.4 7.5 5.4 6.4 5.7     JUN 5.9 6.0 2.8 3.2 7.4 8.0 5.3   5.7
mean 5.7 7.1 7.3 3.7 6.0 10.1 7.8 8.6 6.8     mean 8.2 8.0 6.8 5.7 8.6 7.8 7.2   7.3
std dev 2.8 2.7 3.1 2.7 3.1 1.9 2.6 2.3 2.9     std dev 2.2 2.4 2.7 3.6 2.1 2.2 1.9    
max 10.0 11.5 11.9 8.0 11.7 13.5 12.5 12.5 11.4     max 11.9 12.0 10.9 11.3 11.8 11.3 10.8   11.0
min 1.2 3.4 3.1 0.2 0.8 7.2 4.6 5.2 2.4     min 4.9 4.8 2.8 0.9 5.0 5.0 4.7   4.8