| S/N | Field Observation Sites | Location: Zone 36 | Assessment of River Channels | Channel Evolution and Hydrologic Variations | |||||
| Northing (m) | Easting (m) | Upland Contribution | Channel Contribution | Future Supply | Alluvial Stratigraphy | Process | Landuse | ||
| 1 | ID8C-Pangani-Downstream of NYM Dam | 9,575,635 | 328,840 | No apparent channel modification | Occasional bank erosion-active cut bank in meander | Thick v alley bottom deposits | Older channel alluvium | Incision and sediment transport | <50% crops, but poorly maintained |
| 2 | Ruvu at Handeni | 9,604,007 | 329,750 | Buried vegetation | Active cut banks, long extent exposed to water | Thick valley bottom deposits Active meanders | Older channel alluvium | Incision and sediment transport | <50% crops, but poorly maintained |
| 3 | Ruvu at Tingatinga Gauging Station | Nil | Nil | Channel aggradation Braiding Buried vegetation | Active cut banks, long extent exposed to water | Thick valley bottom deposits active meanders | Basal and intermediate units | Widening | <50% crops, but poorly maintained |
| 4 | Lake Jipe |
|
| Channel aggradation | Pronounced “U” shape, enlarging channel | Thick valley bottom deposits Wide flat plain | <50% crops, but poorly maintained | ||
| 5 | Kikuletwa river at Wohogachini -Downstream of Karangai-IDD55 | 9,606,810 | 274,012 | Mid channel bars | Active cut banks, long extent exposed to water Pronounced “U” shape, enlarging channel | Narrow or no flood plains | Older channel alluvium | Incision and sediment transport | <50% crops, but poorly maintained |
| 6 | Kikuletwa river at Karangai-IDD55 | 9,618,937 | 261,953 | No apparent channel modification | Occasional bank erosion-active cut bank in meander | Normal channel activity | Older channel alluvium | Incision and sediment transport | <50% crops, but poorly maintained |
| 7 | Themi River, Tributary of Upper Kikuletwa River | 9,612,478 | 252,208 | Braiding Buried vegetation | Active cut banks, long extent exposed to water | Narrow or no flood plains | Older channel alluvium | Incision and sediment transport | <50% crops, but poorly maintained |
| 8 | Duluti Lake | 9,626,051 | 254,644 | No apparent channel modification | Protected or vegetated banks | Narrow or no flood plains (Crater Lake) | No cultivation | ||
| 9 | Lake Chala | 9,634,339 | 354,223 | No apparent signs of erosion | Lake in massive rock, large boulders or well vegetated | Crater lake | No cultivation | ||