ADMINISTRATIVE COMPLIANCE ORDER WAS ISSUED AGAINST RESPONDENTS FOR THE UNAUTHORIZED DISCHARGES OF POLLUTANTS FROM THE STP AND RO PLANT INTO WATERS OF THE UNITED STATES. THE AO SEEKS THAT RESPONDENT UPGRADE THE TREATMENT PLANT AND OBTAIN A NPDES PERMIT FROM VIDPNR. THE COST OF THE UPGRADES FOR BOTH PLANTS WERE ESTIMATED BY THE RESPONDENT'S CONSULTANTS.