Sources of Water Pollution
Water pollution in Nigeria according to Gbamanija (1998) arises from various activities, among which are:
i. Sewage leakages
ii. High population density
iii. oil spillage
iv. Menace of Nipa palm and water hyacinth
v. Industrial waste dumped into our waters
vi. Pollution of ground water through drilling activities
vii. Flooding during rainy season which carries waste deposits into our waters.
viii. Building lavatories and visionaries over running water or even the sea as it the practice in some riverine areas.
ix.Radioisotopes
x. Heavy metal
xi. Combustion
xii. Toxic waste disposal at sea
xiii. Mineral processing plant (e.g. coal production)
xiv. Eroded sediments
xv. Deforestation
xvi. Mining
xvii. Littering
xviii. Pesticides
xix. herbicides and fertilizers
xx. Failing septic system
xxi. House hold chemicals
xxii. Animal wastes.