| 11-digit Hydrologic Units (HUs) | Mean % | Mean % of Major Segments1 |
|---|---|---|
| Upper Gasconade River 8-digit HU | 42.4 | 38.2 |
| Upper Gasconade River | 48.9 | |
| Upper Gasconade River Tributaries | 42.7 | |
| Upper Osage Fork | 38.5 | |
| Lower Osage Fork | 40.1 | |
| Middle Gasconade River | 45.2 | |
| Beaver Creek | 44.3 | |
| Roubidoux Creek | 38.9 | |
| Lower Gasconade River 8-digit HU | 49.6 | 46.1 |
| Lower Gasconade River Hills | 55.3 | |
| Third Creek | 54.4 | |
| Lower Gasconade River | 44.4 | |
| Little Piney Creek | 48.8 |
1 those main stem river and tributaries segments with permanent flow
