Noise Pollution in Onitsha Metropolis: Challenges and Solution
1 Engineering and Standard OWZOSBU, Department of Petroleum Resources, Owerri Imo State, Nigeria.
2 Department of Environmental Management, Federal University of Technology Owerri, Imo State, Nigeria.
3 Institute of Natural Resources and Environmental Sustainability University of Port Harcourt. Rivers State.
Research Article
Open Access Research Journal of Engineering and Technology, 2021, 01(02), 032–040.
Article DOI: 10.53022/oarjet.2021.1.2.0110
Publication history:
Received on 09 September 2021; revised on 15 October 2021; accepted on 17 October 2021
Abstract:
This study evaluated noise pollution in Onitsha metropolis, Anambra State, Nigeria in 2019. Noise levels were measured at forty sampling stations in the morning, afternoon and night within the study area for dry and wet seasons using modern noise level instruments. A control point was established at ldeani/Nnobi Junction with coordinates N 06o 05’.282’’ E 006o 55’.891’’ which was used as a reference point and for comparison with the sound levels recorded in designated locations. The results showed that the maximum noise level in the study area exceeded the Federal Ministry of Environment (FMEnv) limit by 7.8% in the dry season and by 13.11% in the wet season. Noise LAeq exceeded the NESREA LAeq limit by 29.89% in the dry season and by 33.44% in the wet season. The study indicated that the mean noise levels in the dry and wet seasons were within FMEnv limit of 90dB .It also showed that high noise levels were recorded around major junctions and market places within Onitsha, which are harmful to public health. The study further showed that transportation activities and trading activities at the market places are the main sources of high noise levels in the study area. Health impact assessment should be conducted in Onitsha metropolis for residents. State government should enforce compliance laws and regulate the activities of industries in the areas.
Keywords:
Onitsha; Dry; wet; Noise; Level
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Copyright © 2020 Author(s) retain the copyright of this article. This article is published under the terms of the Creative Commons Attribution Liscense 4.0