Table 2.24 Zinc (mg/l) at the Lower Cape Fear River Program stations for the 2002-2003 monitoring period. A zero value represents a measurement below the analytical detection limit. The North Carolina standard for zinc in freshwater is 50 mg/L and tidal salt water is 86 mg/L.
| DWQ# | 72 | 87 | 89 | 90 | 91 | 59 | 74 | 92 | 79 | 80 | 83 | 84 | 65 | 64 | 68 |
| month | NAV | M54 | M35 | M23 | M18 | NC11 | LVC | DP | SAR | LRC | BC117 | NCF 117 | 6RC | GCO | COL |
| AUG | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 |
| OCT | 12 | 18 | 17 | 21 | 17 | 10 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 19 | 0 |
| DEC | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 15 | 0 | 0 | 0 | 0 |
| FEB | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 |
| APR | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 |
| JUN | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 |
| mean | 2 | 3 | 3 | 9 | 3 | 4 | 0 | 0 | 0 | 2 | 15 | 0 | 0 | 3 | 0 |
| std dev | 4 | 7 | 6 | 9 | 6 | 5 | 0 | 0 | 0 | 4 | 5 | 0 | 0 | 7 | 0 |
| max | 12 | 18 | 17 | 21 | 17 | 13 | 0 | 0 | 0 | 11 | 25 | 0 | 0 | 19 | 0 |
| min | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 |