| studies on well water and possible health risks in katsina, nigeria. | well water was sampled from all four major wards in katsina town. all 20 samples taken showed high coliform counts. sixty-five per cent contained greater than or equal to 2400 coliforms per 100 ml while the remainder had counts ranging from 79 to 920. faecal coliforms and non-cholera vibrios were detected in all samples. there was no significant relationship between the coliform counts and the distances of latrines to wells, water table to ground level, slope relationship between wells and latri ... | 1983 | 6833745 |