Table 2.26 Biochemical Oxygen Demand (mg/l) at the Lower Cape Fear River Program stations for the 2001-2002 monitoring period.
| 5-Day Biochemical Oxygen Demand | ||||||||||||||
| DWQ# | 59 | 61 | 74 | 70 | 84 | 65 | 64 | 63 | 66 | 67 | 68 | All stations | ||
| month | NC11 | AC | LVC | BBT | B210 | NCF117 | 6RC | LCO | GCO | BRN | HAM | COL | mean | |
| JUL | 0.7 | 0.8 | 1.0 | 0.7 | 0.7 | 0.8 | 1.0 | 1.0 | 2.1 | 0.9 | 2.0 | 1.3 | 1.1 | |
| AUG | 1.1 | 1.8 | 1.4 | 1.4 | 1.1 | 1.2 | 0.4 | 0.4 | 1.0 | 0.7 | 0.7 | 0.4 | 1.0 | |
| SEP | 0.9 | 1.3 | 1.2 | 0.8 | 1.0 | 0.7 | 1.0 | 0.8 | 1.5 | 0.5 | 0.7 | 1.0 | 1.0 | |
| OCT | 0.9 | 1.5 | 0.8 | 1.0 | 0.8 | 0.5 | 0.7 | 0.6 | 0.7 | 0.7 | 0.7 | 1.0 | 0.8 | |
| NOV | 0.6 | 0.5 | 0.6 | 0.7 | 0.8 | 0.7 | 0.8 | 0.4 | 0.3 | 0.3 | 2.0 | 1.2 | 0.7 | |
| DEC | 0.6 | 2.1 | 2.0 | 2.3 | 2.1 | 1.9 | 1.2 | 1.1 | 0.9 | 1.0 | 1.8 | 1.1 | 1.5 | |
| JAN | 1.2 | 1.9 | 1.6 | 1.5 | 1.1 | 2.0 | 0.8 | 0.7 | 0.6 | 1.2 | 1.7 | 1.1 | 1.3 | |
| FEB | 0.9 | 1.2 | 1.5 | 0.9 | 0.9 | 0.8 | 0.8 | 0.6 | 0.7 | 1.1 | 1.8 | 0.5 | 1.0 | |
| MAR | 1.2 | 1.5 | 1.5 | 1.3 | 0.8 | 1.0 | 2.1 | 1.1 | 0.9 | 1.1 | 1.9 | 0.9 | 1.3 | |
| APR | 1.0 | 1.1 | 1.3 | 1.4 | 1.3 | 0.9 | 0.8 | 1.0 | 0.9 | 0.7 | 1.0 | 0.7 | 1.0 | |
| MAY | 1.3 | 1.1 | 1.5 | 1.3 | 1.7 | 1.1 | 0.9 | 0.9 | 1.4 | 1.5 | 1.0 | 1.0 | 1.2 | |
| JUN | 1.6 | 1.9 | 1.1 | 1.1 | 0.8 | 0.5 | 2.4 | 2.4 | 2.3 | 2.4 | 2.8 | 3.3 | 1.9 | |
| median | 1.0 | 1.4 | 1.4 | 1.2 | 1.0 | 0.9 | 0.9 | 0.9 | 0.9 | 1.0 | 1.8 | 1.0 | 1.1 | |
| mean | 1.0 | 1.4 | 1.3 | 1.2 | 1.1 | 1.0 | 1.1 | 0.9 | 1.1 | 1.0 | 1.5 | 1.1 | ||
| max | 1.6 | 2.1 | 2.0 | 2.3 | 2.1 | 2.0 | 2.4 | 2.4 | 2.3 | 2.4 | 2.8 | 3.3 | ||
| min | 0.6 | 0.5 | 0.6 | 0.7 | 0.7 | 0.5 | 0.4 | 0.4 | 0.3 | 0.3 | 0.7 | 0.4 | ||
| stdev | 0.3 | 0.5 | 0.4 | 0.4 | 0.4 | 0.5 | 0.6 | 0.5 | 0.6 | 0.5 | 0.7 | 0.7 | ||
| 20-Day Biochemical Oxygen Demand | ||||||||||||||
| DWQ# | 59 | 61 | 74 | 70 | 84 | 65 | 64 | 63 | 66 | 67 | 68 | All stations | ||
| month | NC11 | AC | LVC | BBT | B210 | NCF117 | 6RC | LCO | GCO | BRN | HAM | COL | mean | |
| JUL | 2.4 | 2.4 | 2.7 | 2.6 | 2.7 | 3.2 | 3.3 | 3.1 | 5.9 | 2.7 | 4.5 | 3.5 | 3.3 | |
| AUG | 3.7 | 5.4 | 3.5 | 2.9 | 2.6 | 2.1 | 2.6 | 2.4 | 5.1 | 2.1 | 3.2 | 3.0 | 3.2 | |
| SEP | 2.5 | 3.8 | 3.3 | 2.6 | 2.9 | 2.5 | 3.8 | 2.8 | 4.6 | 1.4 | 2.1 | 2.9 | 2.9 | |
| OCT | 1.8 | 3.1 | 1.8 | 1.7 | 1.6 | 1.2 | 1.6 | 1.8 | 1.7 | 1.6 | 1.6 | 2.1 | 1.8 | |
| NOV | 1.9 | 1.9 | 2.0 | 2.6 | 1.8 | 2.1 | 1.7 | 1.8 | 1.6 | 1.4 | 4.4 | 4.2 | 2.3 | |
| DEC | 2.1 | 7.6 | 2.3 | 2.4 | 2.5 | 2.2 | 3.3 | 3.4 | 2.8 | 2.5 | 4.7 | 3.4 | 3.3 | |
| JAN | 2.7 | 3.9 | 3.8 | 3.7 | 2.8 | 4.6 | 2.4 | 2.2 | 2.0 | 3.0 | 3.8 | 3.4 | 3.2 | |
| FEB | 3.0 | 3.8 | 4.8 | 3.2 | 2.6 | 3.0 | 2.7 | 2.0 | 2.2 | 3.2 | 4.6 | 2.2 | 3.1 | |
| MAR | 3.2 | 4.0 | 4.1 | 3.5 | 2.0 | 3.8 | 5.6 | 3.0 | 2.5 | 2.9 | 4.5 | 2.7 | 3.5 | |
| APR | 3.5 | 3.6 | 4.1 | 4.1 | 3.6 | 3.1 | 3.3 | 4.1 | 3.3 | 2.8 | 4.0 | 3.1 | 3.6 | |
| MAY | 3.6 | 3.2 | 4.5 | 3.5 | 3.9 | 3.2 | 2.5 | 2.6 | 4.0 | 3.7 | 2.6 | 2.7 | 3.3 | |
| JUN | 4.2 | 6.3 | 3.0 | 3.0 | 2.2 | 1.8 | 2.8 | 2.9 | 3.5 | 2.9 | 4.3 | 5.0 | 3.5 | |
| median | 2.9 | 3.8 | 3.4 | 3.0 | 2.6 | 2.8 | 2.8 | 2.7 | 3.1 | 2.8 | 4.2 | 3.1 | 3.1 | |
| mean | 2.9 | 4.1 | 3.3 | 3.0 | 2.6 | 2.7 | 3.0 | 2.7 | 3.3 | 2.5 | 3.7 | 3.2 | ||
| max | 4.2 | 7.6 | 4.8 | 4.1 | 3.9 | 4.6 | 5.6 | 4.1 | 5.9 | 3.7 | 4.7 | 5.0 | ||
| min | 1.8 | 1.9 | 1.8 | 1.7 | 1.6 | 1.2 | 1.6 | 1.8 | 1.6 | 1.4 | 1.6 | 2.1 | ||
| stdev | 0.8 | 1.6 | 1.0 | 0.7 | 0.7 | 0.9 | 1.1 | 0.7 | 1.4 | 0.7 | 1.1 | 0.8 | ||