^ Uniiwi U.S. EPA Permits under the Clean Water Act Pr"rttlrt*tl" Puerto Rico Aqueduct and Sewer Authority Aguas Buenas WWTP NPDES No. PR0020273 NOTICE for PUBLIC COMMENT PRASA Aguas Buenas Waste Water Treatment Plant Aguas Buenas, Puerto Rico SUMMARY The Puerto Rico Aqueduct and Sewer Authority (PRASA) has applied for renewal of its National Pollutant Discharge Elimination System (NPDES) permit for the Aguas Buenas Waste Water Treatment Plant (WWTP) in Aguas Buenas. The Aguas Buenas Waste Water Treatment Plant (WWTP) treats sanitary wastewater through secondary treatment. Wastewater from the treatment plant is discharged to the Bairoa River. The NPDES permit ensures that the amount of discharge and the amount of contaminants in the discharge remains below levels that are safe for the environment and public health consumption. How to Access the Draft Permit Documents Copies of the draft permit documents can be found on EPA's website at: www.epa.aov/reqion02/water/Dermits.htmi Hard copies are located at: Alcaldia de Aguas Buenas Vaste vater Filter Sedimentation Bio filter Chlorine Sanitation Discharge to water body Sludge to landfill PRASA AGUAS BUENAS FLOW SCHEMATIC This diagram summarizes the WWTP process, This is based on a scenario where there is maximum water flowing in the treatment plant. The actual amounts of water may be less. DRAFT PERMIT CONDITIONS The permit establishes numeric water quality effluent limitations for several pollutants, including pH, dissolved oxygen, temperature, taste and odor, color, turbidity sulfates, flow, suspended solids, and metals. The permit limits the WTP's numeric flow effluent pursuant to Puerto Rico Environmental Quality Board (PREQB) and other conditions. Under NPDES the permit specifies requirements for recording and reporting monitoring results of the numeric effluent limitations described above. ------- wERA United Sc*1tn |s-r.' ionn-'f-nl,il projection Agf-ncy U.S. EPA Permits under the Clean Water Act Puerto Rico Aqueduct and Sewer Authority Aguas Buenas WWTP NPDES No. PR0020273 How to Submit Public Comments Any interested parties can submit written comments on the draft permit during the public comment period, which is between Thursday August 4th, 2016 and Tuesday September 6th, 2016. During this time, a public hearing can also be requested on these documents. The request must: 1.Be in writing 2. State the issues that you want to be raised in the hearing 3. Be submitted to the Director of the Caribbean Environmental Protection Division Office The submission of written comments and/or requests for a public hearing can be sent to: EPA Region 2 Caribbean Environmental Protection Division Office City View Plaza II Suite 70000, #48 RD. 165 Km, 1.2 Guaynabo, PR 00968 If you would like to request additional information or have questions about the permit, please contact: Lalitssa Lopez EPA Region 2, CEPD 787-977-5857 Lopez.Lalitssa@epa.gov ' l Aguas Buenas Waste Water Treatment Plant Facility Location \ WWTP Aguas Buenas k *>» » %n ¦1 •>f" '»• s i j *4&SgM> V "Vs.-J V; Buenaf* IMK£ 5 I \ / C 1 i 1 I **~M! j*. t • S ¦ B 1 *«8fe'Vr A:>-o •; * m ------- |