a htia dbkMQ L"'V ionn-Ğr|jl Prolrcton \/LI U.S. EPA Permits under the Clean Water Act Puerto Rico Aqueduct and Sewer Authority Patillas WTP NPDES No. PR0025526 NOTICE for PUBLIC COMMENT PRASA Patillas Water Treatment Plant Patillas, 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 Patillas Water Treatment Plant (WTP) in Patillas. The Patillas Water Treatment Plant (WTP) is a conventional plant that treats water from the Patillas Lake to provide clean drinking water to the residents of the Municipality of Patillas and other municipalities located in the southeastern portion of Puerto Rico. Wastewater from the treatment plant is discharged to the Patillas Lake. 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.eDa.qov/reqion02/water/Dermits.html Hard copies are located at: Casa Alcaldia de Patillas. Chemicals Water from Discharge to river Drinking water Sludge to landfill PRASA PATILLAS FLOW SCHEMATIC This diagram summarizes the WTP 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 Patillas WTP NPDES No. PR0025526 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: Yasmin Laguer EPA Region 2, CEPD 787-977-5848 Laguer.Yasmin@epa.gov Patillas Water Treatment Plant Facility Location ~ WTP PATILLAS ------- |