Lestari, RindaMarisa, Marisa2021-01-212021-01-212019-11-16978-60251349-1-3wahyu sari yenihttps://repository.unri.ac.id/handle/123456789/9912Water is a very important component in life, such as the use of water as dringking water The higces cases of diarrhea and skin disease in Pendalian, Village working area of the Puskesmas Pendalian IV Koto has to with the use of unclean drinking water sour. The purpose of this study is to find out the level of pollution in Several Drinking Water Sources in the Work Area of the IV Koto Control Center in 2019. The study uses the MPN Coli method and this is descriptive by examining 3 sources of drinking water, dug wells, PAM water and river water in Village of Control. Data analysis using MPN Coli Variance table 1 and 2. The results of this study found 2 drinking water samples did not meet health requirements PERMENKES number 492 year 2010, that is dug wells and PAM Water And then 1 sample qualified health that is river water. The results can be used by the community as information in the use of drinking water.enWaterMPNArticle