| Existing | Projected | |
| North Fork Subwatershed | ||
| Drainage Area - 61.8 acres | Same | |
| Impervious surface area - 45.6 acres (74%) | 45.3 acres (73%) | |
| South Fork Subwatershed | ||
| Drainage Area - 59.5 acres | Same | |
| Impervious surface area - 45.7 acrers (77%) | 45.9 acres (77%) | |
| Main Branch Subwatershed | ||
| Drainage Area - 15.9 acres | Same | |
| Impervious surface area - 13.9 acres (88%) | 14.0 acres (88%) | |
| Total Central Campus Drainage Area - 137.2 acres | Total Existing Impervious Surface Area - 105.2 acres | Total Projected Impervious Surface Area - 105.2 acres |