Assessing the Life Average Daily Dose (Ladd) due
to Heavy Metal Contents in Water Samples from
Covenant University, Canaanland, Ota, South West
Nigeria
The consumption of water with elevated concentration of lead (Pb) can prevent Hemoglobin
Synthesis (Anemia) and results in Kidney diseases. A cross sectional study was conducted in to
estimate the risk of exposure to lead via groundwater and bottled water ingestion pathway for the
population of Covenant University, Canaanland, Ota, Ogun Sate using Perkin Elmer Optima 8000
ICP-OES. The concentration of Pb, Cr, Cd and As varies from water sample to another with the highest
value of .7.07 ¹gL¡1 was noted in borehole water sample (BH1) behind John Hall. Comparing the
value with the International recommended level by USEPA and WHO respectively, 7.07gL¡1is less
than 15¹gL¡1 and 10 ¹gL¡1. The Life Average Daily Dose (LADD) estimated in this present study
reported higher in BH1 for lead (Pb) and could pose health hazard if accumulated for a long time. This
work suggest measures to employ quality water treatment plant to reduce the level of heavy metals in
the selected water samples and also more research on radioisotopes in the same water sample
