Evaluation of organic and inorganic pollution indicators in a homeland river
Date
2020
Journal Title
Journal ISSN
Volume Title
Publisher
International Science Community Association
Abstract
The objective of this study was to develop a biannual database for selected organic and inorganic river pollution indicators. The DO, BOD and COD levels alongside TSS and TDS concentrations were determined using standard protocols. The compiled database consisted of 5 aforementionedduring the biannual study generating over 60 data per specific parameter with 60 data per variable, per season per annum. April/May recorded highest values of TSS at "UT" sampling pointvalues of TSS at 60.38 mg/L exceeding the APHA, EU, EPA and FME discharge limits, except WHO standards. Highest TDS (68.20 mg/L) was in 2014 (Oct/NOV) at "DS" sampling point which exceeded FME and EPA pebelow WHO, EU and APHA standards. Observation shows that 2015 was an active DO year much more than 2014 and DO decreased significantly as water flows downstream. Moreover, the highest COD concentration was 290 mg/L at "NB" sampling point during Oct/Nov that was high but below APHA standard. However, the BOD levels between the seasons showed no seasonal variation within each year, which might be due to active and regular discharge of organic pollutants from abattoir source throughout the biannual study. ANOVA analyses showed that BOD and TSS data were statistically more accurate than other parameters. In conclusion, the river is unsafe, unclean and unacceptable for public consumption, recreation, sensitive fish habitation, requires pollution and preventive measures.
Description
A research article with figures and tables
Keywords
Discharge, downstream, effluents, pollutants, river, upstream, Department of Chemistry
Citation
Akagha, C. I., Nkwoada A. U. & Nnadozie, C. F. (2020). Evaluation of organic and inorganic pollution indicators in a homeland river. International Research Journal of Environmental Sciences, 9(4), 1 - 9