| S. No. |
Names |
Origin/ Location |
Destination |
Status |
River Basin / Water Shed |
| 1 |
Ibi river |
Okigwe |
Law Law River |
Tributary |
Okigwe water shed / River Basin |
| 2 |
Ibu River |
Nneafor |
Imo River |
″ |
″ |
| 3 |
Efuru River |
Okigwe |
Imo River |
″ |
″ |
| 4 |
Ikwo River |
Okigwe |
Imo River |
″ |
″ |
| 5 |
Abuba River |
Okigwe |
Imo River |
″ |
″ |
| 6 |
Iyba River |
Okigwe |
Imo River |
″ |
″ |
| 7 |
Idiu River |
Okigwe |
Imo River |
″ |
″ |
| 8 |
Ibu River |
Okigwe |
|
″ |
″ |
| 9 |
Nterere River |
Okigwe |
Imo River |
″ |
″ |
| 10 |
Ife River |
Okigwe |
Imo River |
″ |
″ |
| 11 |
Izeh River |
Okigwe |
Imo River |
″ |
″ |
| 12 |
Ndima River |
Umuna |
Imo River |
″ |
″ |
| 13 |
Alum River |
Okigwe |
Imo River |
″ |
″ |
| 14 |
Uyin River |
Okigwe |
Imo River |
″ |
″ |
| 15 |
Amayi River |
Okigwe |
Imo River |
″ |
″ |
| 16 |
Iyeochara River |
Okigwe |
Imo River |
″ |
″ |
| 17 |
Ohia River |
Okigwe |
Law-law River |
″ |
″ |
| 18 |
Law-Law River |
Okigwe |
Imo River |
″ |
″ |
| 19 |
Ugbi River |
Nneafor |
Okuini River |
″ |
″ |
| 20 |
Ezeze River |
Okigwe |
Onyimbo River |
″ |
″ |
| 21 |
Onyimbo River |
Umunumo |
Imo River |
″ |
″ |
| 22 |
Biyi River |
Ikpa Okoto Ovim |
Nfro River |
Tributary |
Mbaise / Mbano water shed / River Basin |
| 23 |
Upo River |
Afugiri |
Eme River |
″ |
″ |
| 24 |
Eme River |
Afugiri |
Imo River |
″ |
″ |
| 25 |
Obiyi River |
Ikpa Okoto Ovim |
Eme River |
″ |
″ |
| 26 |
Nfro River |
Ihitte-Uboma |
Imo River |
″ |
″ |
| 27 |
Onuiyiyin River |
Obowo/ Ihitte- Uboma |
Imo River |
″ |
″ |
| 28 |
Asa River |
Nsu |
Imo River |
″ |
″ |
| 29 |
Abadaba River / Lake |
Ihitte-Uboma |
Imo River |
″ |
″ |
| 30 |
Mba River |
Amaraku |
Oramiriukwa |
Major lake |
Orlu water shed / River Basin |
| 31 |
Okitankwo River |
Umudi |
Oramiriukwa |
Tributary |
″ |
| 32 |
Oramiriukwa River |
Isu |
Otamiri |
″ |
″ |
| 33 |
Njaba River |
Nkwere |
Oguta Lake |
Principal Tributary |
″ |
| 34 |
Imo River |
Ideato |
Atlantic Ocean |
Major River |
″ |
| 35 |
Okuini River |
Arondizuogu |
Imo River |
Tributary |
″ |
| 36 |
Orashi River |
Dikenafai/Umudi |
Oguta Lake |
″ |
″ |
| 37 |
Anamini River |
Osina |
Ahanum River |
″ |
″ |
| 38 |
Ahanum River |
Akokwa |
Imo River |
″ |
″ |
| 39 |
Iyodo River |
Akokwa |
Ahanum River |
″ |
″ |
| 40 |
Ore River |
Ntueke |
Ahanum River |
″ |
″ |
| 41 |
Awkwa River |
Ntueke |
Ahanum River |
Tributary |
Oguta watershed / River Basin |
| 42 |
Eyin River |
Oguta |
Orashi River |
″ |
″ |
| 43 |
Awbana River |
Mgbidi |
Oguta Lake |
″ |
″ |
| 44 |
Utu River |
Njaba |
Oguta Lake |
″ |
″ |
| 45 |
Onas Creek |
Egbema |
Swamp |
″ |
″ |
| 46 |
Oguta Lake |
Oguta |
|
Major lake |
″ |
| 47 |
Osian Lake |
Oguta |
|
Tributary |
″ |
| 48 |
Asa River |
Oguta |
Oguta Lake |
″ |
″ |
| 49 |
Nworie River |
Egbeada |
Otamiri |
Tributary |
Owerri water shed / River Basin |
| 50 |
Ogochie River |
Umuneke-Ngor |
Imo river |
″ |
″ |
| 51 |
Otamiri River |
Egbu |
Imo River |
″ |
″ |
