| Watershed | SFM Area (km2) | CM Area (km2) | PCSA Area (km2) | SFM Drainage Density (km) | CM Drainage Density (km) | PCSA Drainage Density (km) | CM/SFM | PCSA/SFM |
| Allequash | 33 | 27 | 16 | 0.42 | 0.52 | 0.89 | 0.78 | 0.55 |
| Bear | 166 | 140 | 117 | 0.54 | 0.64 | 0.77 | 0.64 | 0.74 |
| Fish | 222 | 218 | 209 | 1.32 | 1.34 | 1.41 | 0.74 | 0.29 |
| Knife | 79 | 58 | 16 | 0.50 | 0.68 | 2.25 | 1 | 0.94 |
| Pecatonica | 594 | 543 | 241 | 0.64 | 0.71 | 1.45 | 0.99 | 0.91 |
| Prairie | 677 | 513 | 300 | 0.84 | 1.11 | 1.76 | 0.91 | 0.42 |
| Spirit | 219 | 162 | 64 | 0.61 | 0.83 | 1.92 | 0.97 | 0.75 |
| White | 221 | 216 | 163 | 0.93 | 0.95 | 1.26 | 0.74 | 0.45 |
| Whittlesey | 706 | 701 | 642 | 1.60 | 1.61 | 1.76 | 0.74 | 0.2 |
| Yahara | 876 | 815 | 451 | 0.81 | 0.87 | 1.57 | 0.94 | 0.56 |