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HomeMy WebLinkAboutNC0003417_Operation Conditions_20140919AW North Carolina Department of Environment and Natural Resources Pat McCrory John E. Skvarla, III Governor Secretary August 28, 2014 CERTIFIED MAIL 70I3 2630 00018"8 158I RETURN RECEIPT REQUESTED Mark McIntire Duke Energy 410 S. Wilmington Street Raleigh, NC 27601 Subject: Duke Energy Notice of Operating Condition Clarification Allen Steam Station NCO004979 Gaston County Buck Steam Station NC0004774 Rowan County Marshall Steam Station NCO004987 Catawba County Lee Steam Electric Plant NC0003417 Wayne County Weatherspoon Steam Electric Plant NC0005363 Robeson County Mayo Steam Electric Power Plant NCO038377 Person County Roxboro Stearn Electric Power Plant NCO003425 Person County Riverbend Steam Station NCO004961 Gaston County Asheville Stearn Station NC000396 Buncombe County Belews Creek NCO024406 Stokes County L.V. Sutton Electric Plant NC0001422 New Hanover County Cape Fear Steam Electric NCO003433 Generating Plant Chatham County Dan River Combined Cycle Plant NC0003468 Rockingham County Cliffside Steam Station NCO005088 Gaston County Dear Mr. McIntire: This letter is to clarify operating conditions for NPDES Permits issued to the above listed facilities. The Permittee is authorized by the existing NPDES wastewater permits to decant all the wastewater in the ash pond above the ash level provided the supernatant is directed through the same discharge point and monitored in accordance with the NPDES permit requirements. The Permittee is prohibited from removing wastewater by dredging the ash, excavating the trenches, or any other mechanical movement of the ash. Duke Energy shall submit the chemical characterization of the interstitial ash water from the ash basin and predicted volume of wastewater that will be generated by mechanical dewatering. If you have any questions about this letter, please contact me at (919) 807 -6309, or via e-mail at jeffpoupartnncdenrjuov. . Sincerely, Jeff Pouparl Water Quality Permitting Section Chief cc: EPA Region IV, Mark Nufher Central Files DWR Regional Offices 1611 Mail Service Center. Raleigh, tlorih Caroiina 27699 -1611 Rone 919.707 -9000 t Internet www ncvreter org An Equal Oppaynily' Alfvm l re ACvn Enroyer - Male n Fart ty recytiee paper