This research paper was in the facilities of the municipal slaughterhouse of the Moyobamba city. Where our object study was to evaluate the quality of the residual effluent discharged to the environment and propose a treatment system for the same. Por this action was necessary to take a representative sample of the effluent quarterly, to then be analyzed and know the values of the parameters to be measured according to the objectives. The same that allowed us to contrast with the maximum allowable limits for this type of effluent standard established in the national and international regulations. The work consisted of taking three representative samples of the effluent in residual different points along the route of the effluent. The first prior to entering the septic tank, the second in the final discharge of the septic tank and the third 1 00 yards further down for the second sample. T...