Purpose and authority

Purpose and authority. Purpose and authority. Section 283.21 , Stats., requires that the department promulgate a list of toxic pollutants. The discharge to surface or groundwaters of any pollutant included on this list is subject to the requirements of ss. 283.13 (2) (b) and (c) and 283.21 (1) (b) and (d) , Stats. These sections require that by certain dates no discharge shall contain quantities of these pollutants greater than those which would remain after the discharge had received treatment by the best available technology economically achievable or greater than any lesser quantity necessary to provide an ample margin of safety.