Rima River

At its northernmost point it is joined by the Goulbi de Maradi river.

[2] The Zauro polder project, a major irrigation scheme, has been planned for many years.

It would irrigate 10,572 hectares (26,120 acres) of farmland in the Rima floodplain between Argungu and Birnin Kebbi.

Surface run-off and erosion are the sources of pollutants discharge into the rivers.

Direct human disposal of waste products, industrialization and other agricultural activities at different segments of the rivers no doubt accentuate pollution stress on the aquatic environments and endanger the lives of fisheries resources in Rima River.