Agat watershed:
Apra watershed:
Geus watershed:
Inarajan watershed (Inarajan River):
Inarajan watershed (Agfayan River):
Malojloj watershed (Asalonso River):
Malojloj watershed (Pauliluc River):
Manell watershed (Manell River):
Manell watershed (Ajayan River):
Manell watershed (Liyog River):
Manell watershed (other rivers):
Pago watershed:
Taelayag watershed:
Talofofo watershed:
Toguan watershed:
Umatac watershed:
Ylig watershed (Ylig River):
Ylig watershed (Tarzan River):