NC0024210_Non-Compliance Report_20191226

Public Services
Michael F. Swan
Chief Operator, Eastside Wastewater Treatment Plant
PO Box 230
HIGH POINT, NC 27261
NORTH CAROLINNS INTERNATIONAL CIT I,TSI
December 26, 2019
Ron Boone, Environmental Program Consultant
Division of Water Resources
450 Hanes Mill Road Suite 350
Winston-Salem NC 27105
Dear Mr. Boone,
This letter is to inform you that the Eastside Wastewater Treatment Plant for the City of High Point was out of
compliance on the monthly total phosphorus average. Eastside's allowable total phosphorus average is 0.5 mg/I
but the total phosphorus average for November 2019 was 0.64 mg/I. I believe that the phosphorus excursion is
due to a couple of factors. The first is that the Eastside plant was having some issues with air management in the
BNR system due to diffuser issues and mechanical problems with mixers and air valves. These issues are in the
process of being addressed. Addressing the air management issues required us to take one BNR train out of
service which reduces the BNR volume.
The second issue is that due to mechanical difficulties we were down to one DAF unit. This required us to reduce
wasting and meant that the solids inventory in the BNR system was too high. We have since rebuilt one of the
two out of service DAF units and have increased our wasting sludge load. This should allow us to reduce our
solids inventory and improve our air management in the BNR system and thereby improve nutrient treatment.
If you have any questions, please feel free to contact me.
Sincerely,
Michael F. Swan, Eastside Chief Operator
Cc: Terry Houk, Director of Public Services
Derrick Boone, Assistant Director of Public Services
Dawn Molnar, Eastside Superintendent
Eastside Wastewater Treatment Plant, 5898 Riverdale Rd, Jamestown NC 27282 USA
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