Oyan River Dam
| Year dem found am | 29 March 1983  |
|---|---|
| Continent | Africa |
| Country | Nigeria |
| Edey de administrative territorial entity insyd | Abeokuta North |
| Ein location | Ogun State |
| Coordinate location | 7°15′30″N 3°15′20″E |
De Oyan River Dam be insyd Abeokuta North local government area of Ogun State insyd de West of Nigeria, about 20 km north west of de state capital Abeokuta. De dam dey cross de Oyan River, a tributary of de Ogun River. E be used primarily to supply raw water to Lagos den Abeokuta, buh e get potential for use insyd irrigation den power generation.
Structure
[edit | edit source]Na dem commission de dam on 29 March, 1983 by president Shehu Shagari, wey e be operated by de Ogun-Osun River Basin Development Authority. De lake dey insyd de savannah region, plus sparse trees den grasses den low fertility. E dey cover 4,000 hectares (9,900 acres) wey e get a catchment area of 9,000 km2. De dam get a crest length of 1,044 m (3,425 ft), height 30.4 m (100 ft) den gross storage capacity of 270 million m3.[1] E be designed to supply raw water to Lagos den Abeokuta, den to support de 3,000 hectare Lower Ogun Irrigation Project. Dem install three turbines of 3 megawatts each insyd 1983 buh as of 2024 na e no be used.[2]
Impact
[edit | edit source]During construction, 22 villages be submerged, plus de displaced people move go three settlement camps. Sam of de settlers fish de lake den farm vegetables along de fertile shoreline as de lake recedes insyd de dry season. A 2009 study of levels of urinary schistosomiasis insyd de Ibaro-Oyan den Abule Titun communities, wich depend on de Oyan Dam for dema livelihood, dem find high levels of infection due to use of untreated water.[3] An earlier study insyd 1990–1993 indicate say de risk of de disease, wich be carried by snails, fi be greatly reduced if de reservoir be continuously discharged during de hot dry season.[1]
Potential
[edit | edit source]Insyd 2010, de federal government budget #43 million for construction of de gravity irrigation scheme at de dam den #11 million for dam operations.[4] Na de dam be intended to support 3,000 hectares (7,400 acres) insyd de first phase, buh de land dey lie fallow.[5]
References
[edit | edit source]- 1 2 Ofoezie, IE; Asaolu, SO (1997). "Water level regulation and control of schistosomiasis transmission: a case study in Oyan Reservoir, Ogun State, Nigeria". Bulletin of the World Health Organization. 75 (5): 435–41. PMC 2487010. PMID 9447776.
- ↑ "Oyan Dam". Visit Nigeria Now (in British English). Retrieved 2020-01-22.
- ↑ Sam-Wobo, SO; Ekpo, UF; Ameh, IG; Osileye, OT (3 July 2009). "Continued high endemicity of urinary schistosomiasis in Ogun State, Nigeria". Nigerian Journal of Parasitology. 30 (1). doi:10.4314/njpar.v30i1.43992.
- ↑ "2010 Budget Proposal" (PDF). Federal Government of Nigeria. Retrieved 2010-05-22.
- ↑ Ademola Adedeji (May 2, 2009). "Ogun-Osun river basin chairman tasks south-west govts". Retrieved 2010-05-22.