EPA has determined the proposed penalty of $137,500.00 against the Puerto Rico Aqueduct and Sewer Authority concerning the Yabucoa Wastewater Treatment Plant for failure to provide proper operatin and maintenance (O&M) at the facility, and for discharging pollutants into waters of the United States at a location other than that authorized in the National Pollutant Discharge Elimination System permit PR0021717. All these violations occurred against the Clean Water Act. The violations taken in the Complaint occurred within the period of May 2000 through June 2002.