Environmental concerns require a certain dynamic to basic safeguarding ecosystems against any type of pollution. Studies can guide practice and the development towards better environmental management. This study has considered making a physicochemical characterization of samples collected during one year (11.01.2012 to 7.1 . 2013) at 8h, 10h, ,12h , 14h, 16h and 18h from the collection of effluent hospital revealed the following results: The temperature varies between 15.75