TITLE:
The Physico-Chemical Water Quality of the Obafemi Awolowo University Teaching and Research Farm Lake, O.A.U. Campus, Ile-Ife, Southwest, Nigeria
AUTHORS:
Adedeji Idowu Aduwo, Israel Funso Adeniyi
KEYWORDS:
Inundation, Oligotrophic, Eutrophic, Aging, Man-Made, Spillway
JOURNAL NAME:
Journal of Environmental Protection,
Vol.10 No.7,
July
4,
2019
ABSTRACT: The physico-chemical water
quality of the Obafemi Awolowo University Teaching and Research Farm Lake,
Ile-Ife, Nigeria, was studied over an annual cycle (September 2006 to August
2007) almost 40 years after its impoundment in 1967. This was with a view to
obtaining the then current state of physico-chemical water quality parameters
with their variations in time and space as well as using some of the data
obtained to evaluate the aging process of the lake for the 40 years of its
existence. There was no significant (p > 0.05) horizontal variation (i.e. upstream-dowstream)
in the physico-chemical characteristics of the lake whereas, Apparent-color,
True color, Turbidity, Total Suspended Solids (TSS), Total Solids (TS) and
Total Acidity increased significantly (p 5) decreased significantly
(p -3) were significantly higher (p
2+), Magnesium ion (Mg2+),
Potassium ion (K+) and Sulphate ion (SO2-4) were significantly higher (p
transparent,
slightly acidic, soft and well-buffered fresh-waterbodies with evidence
of aging (i.e. transforming the lake
from an oligotrophic status to a eutrophic waterbody). The results indicated
that the lake is suitable for most of its applications with little or no
adjustments as the case may be; except probably for drinking purposes where
some microbial analysis may be necessary.