Microbiological assessment of pre-monsoon and post-monsoon open well water quality in Karumalloor panchayat, Ernakulam, Kerala

Ground water is a source of potable water among the rural population in Kerala. This study was carried out among the rural population of Karumalloor panchayat in Paravoor Taluk, Ernakulam district. Bacteriological analysis of water from open wells was carried out in two consecutive years as part of department programme, once during post-monsoon and other during pre-monsoon season. Twenty three percentage of post-monsoon water samples tested were potable however only 5% of pre-monsoon samples were potable.