Surface Water Flow and Level Monitoring Stations and Records

This page includes historic river stage (level) and flow data for the major rivers of Sierra Leone, and a few short records from commercial sites and from the Water Security Project.

Key

Site Reference Numbers

Site reference number prefixes that are used link back to the maps generated in the 2015 Water Security Report:

Riv
Map 2, Proposed River Monitoring Network
SN, BD
Map 10, Rokel-Seli River Basin Water Security Project

* Those not prefixed are not shown on report maps. See Lists and Maps in Volume 1 Appendices.

Included Data

The types of data that are included in the downloads are indicated in the charts below as follows:

F Stream or River Flow
G Groundwater Level
R Rainfall
B Barometric Pressure
Tw Water Temperature
Ta Air Temperature

Data Owner, Collector or Origin

The data is made available from different sources which is listed in the charts below:

ADDAX Addax Biosciences
BWMA Bumbuna Watershed Management Authority
Met Dept Meteorological Department
MOE Ministry of Energy
MWR Ministry of Water Resources

1976 Hydrological Year Book (1970 to 1976)
District River Basin River Name Monitoring Site Location or Name Included Data Data Owner Data Collection or Origin
Port Loko Little Scarcies Tributary to Little Scarcies Riv 14 River Stage at Mabole (Daily) 1975-1976 L MWR Download here >>
Port Loko Little Scarcies Little Scarcies Riv 15 River Stage at Mange (Daily) 1972-1976 L MWR Download here >>
Koinadugu Rokel Seli Rokel-Seli Riv 1 River Flow at Badala (Daily) 1970-1976 F,L MWR Download here >>
Tonkolili Rokel Seli Tributary to Rokel Seli River Stage at Mador (Daily) 1975-1976 F,L MWR Download here >>
Tonkolili Rokel Seli Rokel-Seli Riv 2 River Flow at Bumbuna (Daily) 1970-1976 F,L MWR Download here >>
Tonkolili Rokel Seli Rokel-Seli Riv 3 River Stage at Magburaka (Daily) 1975-1976 L MWR Download here >>
Tonkolili Jong Pampana Riv 5 River Flow at Pampana (Maratoka) (Daily) 1971-1976 F,L MWR Download here >>
Kono Sewa Sewa Riv 23 River Flow at Sewa (Jaima Sewafe) (Daily) 1971-1976 F,L MWR Download here >>
Kenema Sewa Tributary to Sewa (Bundoya?) River Flow at Palima (Daily) 1971-1976 F,L MWR Download here >>
Kenema Sewa Tributary to Sewa (Maboa?) River Flow at Dodo (Daily) 1972-1976 F,L MWR Download here >>
Kenema Moa Moa Riv 29 River Flow at Moa (Gofor) (Daily) 1971-1975 F,L MWR Download here >>
Bumbuna Dam (2009 onwards)
District River Basin River Name Site Reference Number Monitoring Site Location or Name Included Data Data Owner Data Collection or Origin
Tonkolili Rokel Seli Rokel-Seli BD02 Bumbuna HEP Dam - Weir F, L MOE Other BD02 download >>
Tonkolili Rokel Seli BD03 Bumbuna HEP Dam Reservoir L MOE Other BD03 download >>
Water Security Project (Springs and Small Stream Water Sources, 2013 onwards)
District River Basin Site Reference Number Monitoring Site Location or Name Included Data Data Owner Data Collection or Origin
Tonkolili Rokel Seli SN10 Kadala Spring F,L, Tw MWR BWMA SN10 download >>
Tonkolili Rokel Seli SN11 Kakutan Spring F,L, R, Tw MWR BWMA SN13 download >>
Tonkolili Rokel Seli SN13 Kamathor 2 Stream F,L, R, B, Tw, Ta MWR BWMA SN14 download >>
Tonkolili Rokel Seli SN14 Kasokira Stream F,L, R, B, Tw, Ta MWR BWMA SN14 download >>
Addax Biosciences (Flow in Rokel-Seli River, 2012 onwards)
District River Basin River Name Site Reference Number Monitoring Site Location or Name Included Data Data Owner Data Collection or Origin
Bombali Rokel Seli Rokel-Seli Riv 10 (AD02) and Riv 11 (AD03) Addax - Rokel River (Upstream and Downstream Gauging Site) F ADDAX ADDAX Download here >>
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