Ụlọ nyocha pụrụ iche nke nwere ọgụgụ isi mmiri maka ụlọ ọrụ nchebe gburugburu ebe obibi nwere nkwụsi ike siri ike, nhazi nhazi nke mgbaze na colorimetric, na-eme ka ọ dịkwuo mfe maka gburugburu ụlọ nyocha ma ọ bụ ngwa nyocha ụgbọ ala.Ihe nnwale 68 (COD, mkpokọta phosphorus, nitrogen mkpokọta, amonia nitrogen, turbidity, wdg) nwere ike iru ihe dị iche iche ndị ahịa chọrọ.