Mgbakwunye 10% kwụsịrị mgbe ị na-enye iwu Ugbu a
Koodu akwụkwọ ikike mmiri dị ọhụrụ Lee ihe ọzọ Nke a bụ eziokwu na-atọ ụtọ ịmalite ụbọchị ahụ - dabere na mpaghara, mmiri mgbata agbata obi nwere ike ịnwe ndu, ọla kọpa, nitrates, mmanụ rọketi, ngwaahịa disinfection, arsenic (ee, arsenic) na mpaghara mpaghara. germs ndị China.
Gosi Usoro Koodu