Introduction: Water quality has been linked to health outcome across the world. Availability and easy access to safe and quality water is a fundamental human right. Quality of water need to be assessed regularly for the good health of people. Present study was done to assess the bacteriological quality of drinking water in the year April 2022 to February 2023 from six blocks of Hamirpur district of Himachal Pradesh.

Methods: A total of 400 water samples were from different sources were collected and tested. The bacteriological analysis of water was done by multiple tube technique Results were interpreted after 48 hours incubation of water samples in MacConkey bile broth Medium in accordance with MacCardy probability table.

Results: of the 400 samples tested 289 (72.25%) were found to be satisfactory while 111 (22.75%) were unsatisfactory. Taunidevi block revealed the least contamination with 12/65 samples while Nadaun and Sujanpur followed by 22 samples each. Household taps showed the contamination of 35.1% (39/83), Natural resources and hand pumps were found to be contaminated 22 each E. coli was found to be the predominant contaminant.

Conclusion: Results of the study calls for public awareness, immediate attention and action by the concerned authorities. A comprehensive development program must include a practical and cost effective approach to provide potable water and a more aggressive approach to reduce the risk of water related transmission of diseases.