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HomeMy WebLinkAboutNC0003425_Operating Condidtion_20140919A V MW` R North Carolina Department of Environment and Natural Resources Pat McCrory John E. Skvarla, III Governor Secretary September 19, 2014 CERTIFIED MAIL 7013 2630 0001 8998 1567 RETURN RECEIPT REQUESTED Mark McIntire Duke Energy 410 S. Wilmington Street Raleigh, NC 27601 Subject: Withdrawal of August 28, 2014 Operating Condition Clarification Letter Allen Steam Station NCO004979 Gaston County Buck Steam Station NC0004774 Rowan County Marshall Steam Station NC0004987 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 Steam Electric Power Plant NC0003425 Person County Riverbend Steam Station N00004961 Gaston County Asheville Steam Station NC000396 Buncombe County Belews Creek NCO024406 Stokes County L.V. Sutton Electric Plant NC0001422 New Hanover County Cape Fear Steam Electric NC0003433 Generating Plant Chatham County Dan River Combined Cycle Plant NC0003468 Rockingham County Cliffside Steam Station NC0005088 Gaston County Dear Mr. McIntire: The Division hereby withdraws the letter sent to you dated August 28, 2014 that attempted to define operating conditions to allow the initiation of coal ash removal under your existing NPDES permits. The letter is being withdrawn due to concerns that were raised by the EPA in the attached September 16, 2014 letter. Notwithstanding the delay in removing coal ash associated with a modification of your permits, NCDENR agrees with EPA's suggestion that a modification process may be a better vehicle to initiate this work. If you have any questions about this letter or the additional application requirements, please contact me at (919) 807 -6309, or via e-mail at ieff poupari(o)ncdenr. . Sincerely, r—, Jeff Poupart Water Quality Permitting Section Chief cc: EPA Region IV, Mark Nufher Central Files DWR Regional Offices 1611 Mail Service Center, Raleigh, North Carolina 27699 -1611 Phone: 919 - 707.90001 Internet: www.ncwater.org An Equal Opportunity Affirmative Acton Employer- Made in pah by recycled paper WON North Carolina Department of Environment and Natural Resources Pal McCrory John E. Skvarla, III Governor Secretary August 28, 2014 CERTIFIED MAIL 70I3 2630.0001 8998 1581 RETURN RECEIPT REOUESTED 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 NCO004774 Rowan County Marshall Steam Station NCO004987 Catawba County Lee Steam Electric Plant N00003417 Wayne County Weatherspoon Steam Electric Plant NCO005363 Robeson County Mayo Steam Electric Power Plant NCO038377 Person County Roxboro Steam Electric !lower Plant NC0003425 Person County Riverbend Steam Station NC0004961 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 NC0003433 Generating Plant Chatham County Dan River Combined Cycle Plant NC0003468 Rockingham County Cliffside Steam Station NC0005088 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 jeff.pounartCancdcor.gov. Sincerely, �JeffffPoupart Water Quality Permitting Section Chief cc: EPA Region IV, Mark Nufher Central Files D WR Regional OflTces 1611 Mal Service Center, Raleigh, North Caroana 27699 -1611 Phone 919- 707 -90001 Internet ar>%w rvwaler org An Equal Dpp=nily' Atfama- ve Acucn Em�*yo - Made m pi by rec"o paper