Otamiri River

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Otamiri River OTAMIRI RIVER.jpg
Otamiri River
Otamiri River and tributaries Otamiri river map.png
Otamiri River and tributaries

The Otamiri River is one of the main rivers in Imo State, Nigeria.[ citation needed ] The river takes its name from Ota Miri, a deity who owns all the waters that are called by his name, and who is often the dominating god of Mbari houses.[ citation needed ] The river runs south from Egbu past Owerri and through Nekede, Ihiagwa, Eziobodo, Olokwu Umuisi, Mgbirichi and Umuagwo to Ozuzu in Etche, in the Rivers State, from where it flows to the Atlantic Ocean. The length of the river from its source to its confluence at Emeabiam with the Uramiriukwa River is 30 kilometres (19 mi). [1]

Contents

The Otamiri watershed covers about 10,000 square kilometres (3,900 sq mi) with annual rainfall of 2,250 to 2,500 millimetres (89 to 98 in). The watershed is mostly covered by depleted rain forest vegetation, with mean temperatures of 27 °C (81 °F) throughout the year. Conversion of the tropical rainforest to grassland with slash and burn practices is degrading soil quality. [2]

The Otamiri is joined by the Nworie River at Nekede in Owerri, a river about 9.2 kilometres (5.7 mi) long. The Nworie river is subject to intensive human and industrial activities, and is used as a source of drinking water by the poor when the public water system fails. The Nworie is polluted by organic wastes but in 2008 was not above acceptable levels of chemical pollution. Waste management in Owerri is inefficient and contributes to pollution of the river. Most of the wastes from Owerri are dumped at the Avu landfill in Owerri West on the Port Harcourt highway, which creates a high concentration of phosphate and nitrate in the Otamiri.

South of Owerri the river flows through an alternating sequence of sands, sandstones and clay-shales. Random sand samples from the bank of Otamiri River between Chokocho and Umuanyaga, Etche Local Government Area, Rivers State [3] showed that 86 percent of the sand particles, are within the ideal range for glass making. [4]

Pollution in Otamiri River

Imo State Water and Sewerage Corporation has suggested that Otamiri River been the main source of potable water to Owerri, may dry up, if urgent care is not taken to stop the continued pollution of water. Also, the World Bank would start a project to provide safe water for Imo citizens by January 2020. [5]

It was also stated by The General Manager (GM), Emeka Ugoanyanwu that the people living close by the Otamiri River dump refuse, defecate, bury corpes and constructs soack-away pit around the river bank, which has cause high pollution in Otamiri River

Environmental impact

Nworie River at Nekede in Owerri, joins with the Otamiri; a river about 9.2 kilometres (5.7 mi) long. The Nworie river is used as a source of drinking water when the public water system fails, but it is subject to intensive human and industrial activities. The Nworie is polluted by organic wastes but levels of chemical pollution was not accepted in 2008. [6] Waste management in Owerri is inefficient and contributes to pollution of the river. Most of the wastes from Owerri are dumped at the Avu landfill in Owerri West on the Port Harcourt highway, which creates a high concentration of phosphate and nitrate in the Otamiri.

Pictures of Otamiri River at Egbu

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References

  1. ↑ "Imo decries pollution of Otamiri river by residents". The Guardian Nigeria News - Nigeria and World News. 2021-11-08. Retrieved 2022-03-25.
  2. ↑ Hadi, Tjokro (2016). "Analysis About the Increase of Sediment as a Result of Rainfall Intensity on Lusi Watershed in District Banjarejo Blora". International Journal of Research in Advance Engineering. 2 (3): 34–38. doi:10.26472/ijrae.v2i3.55.
  3. ↑ Contributor, Pulse (2021-10-13). "A brief walk into the history and economy of Etche culture". Pulse Nigeria. Retrieved 2022-03-25.{{cite web}}: |last= has generic name (help)
  4. ↑ Adejumo, Taiye Elisha; Esau, F. I. (18 November 2017). Assessment of Quality of Sand from Rivers Imo and Otamiri, Imo State for Construction Purposes. Proceedings of 2nd International Engineering conference (!EC 2017). Minna, Nigeria: Federal University of Technology.
  5. ↑ "Imo decries pollution of Otamiri river by residents". The Guardian Nigeria News - Nigeria and World News. 2021-11-08. Retrieved 2022-03-25.
  6. ↑ Ogbomida, Emmanuel T.; Emeribe, Chukwudi N. (25 June 2013). "Impact of urbanization on Nwaorie and Otamiri Rivers in Owerri, Imo State, Nigeria". Advances in Environmental Research. 2 (2): 119–129. doi:10.12989/aer.2013.2.2.119.
  7. ↑ "Showing the front view of Otamiri River - Google Search". www.google.com. Retrieved 2023-07-11.

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