New Calabar River
Pollution
Studies showed the New Calabar River had been polluted by some chemical substances like lead, cadmium and chromium contaminating the surface water. Residue from all locales showed low to extensive contamination by the heavy metals.
This has high effect on the locales health risk due to the fact that they consume the fishes harvested from the river.
The inorganic anion contamination of the Unused Calabar Waterway surface water was explored. Comes about appeared regular varieties within the inorganic anion levels. Water parameters such as sulfite, nitrate, phosphate, and alkalinity showed significantly higher values within the blustery season than within the dry season. Broken up oxygen, pH, sulfide, sulfate, alkali, and nitrite appeared no critical contrasts between their blustery and dry season levels. Upstream-downstream changes were shown by conductivity, add up to broken down solids, chloride, saltiness, and temperature. Exemptions happened within the nitrite levels, where the impact was negligible. In spite of the fact that the concentrations of a few anions analyzed fell inside universally satisfactory limits, the Unused Calabar Waterway water is, within the fundamental, contaminated with inorganic anions and may be unsatisfactory for consumable and mechanical employments without treatment.
References
- ^ G. I. Jones (2001). The trading states of the oil rivers: a study of political development in Eastern Nigeria. James Currey Publishers. p. 15ff. ISBN 0-85255-918-6.
- ^ https://scialert.net/fulltext/?doi=tasr.2014.494.502
- ^ "Pollution and risk assessment of heavy metals in water, sediment and fish (Clarias gariepinus) in a fish farm cluster in Niger Delta region, Nigeria". Journal of Water and Health. doi:10.2166/wh.2022.003. Retrieved 20 September 2023.