Ebe ọ bụ na 1956, TWT ngwaahịa kere gbara ọkpụrụkpụ na ubi nke obodo mepere emepe mmiri na drainage, nsị ọgwụgwọ, desalination, ọkụ eletrik, mmanụ, chemical, nkà mmụta banyere ígwè, kpo oku, ụgbọ mmiri, ọgwụ, akwụkwọ na ndị ọzọ ubi.
