NC0050342_permit modification_20080523

Michael F. Easley, Governor
NWilliam G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Coleen H. Sullins, Director
Division of Water Quality
May 23, 2008
David K. Saunders
Utilities Director
P.O. Box 2511
Winston-Salem, NC 27102-2511
Subject: Monitoring for High Rock Reservoir (Permit - NC0050342
Total Maximum Daily Load (TMDL) Study (chlorophyll phyll a and turbidity)
Dear Mr. Saunders:
The Division of Water Quality (DWQ), (YPDRBA), has begun Q)°fit partnership with the Yadkin Pee -Dee River Basin
purpose of chlorophyll a and turbidityg of the High Rock Reservoir watershed for the
is scheduled to last for twoyears A TMDL20 development, as of April 2008. The monitoring
(P� 1, 2008 -March 31, 2010).
Ms. Kathy Stecker, Supervisor, Modeling and
monitoring needs for NPDES dischargers at the YPD
TMDL Unit, discussed additional effluent
These increased nutrient and turbidityRBA meeting held October 5, 2007.
facility's permit effluent monitoringrequirements.moriitonng needs are not currently included in your
perform the additional monitoring for the duration of the two-year
Members of YPDRBA have agreed to
sufficient data to perform a comprehensive TMDL for High Rock Lake.
is not being reopened to include this additional monitoring,y study, in order to supply
falter,st the Division will reconsider this decision to include Although your permit
should the voluntary monitoring
time necessary. the additional monitoring for the
The additional effluent monitoring requirements for your facility are:
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh NC 27699-1617 Phone [phone]
Fax [phone]
Internet: www.ncwatei ualit .ors
Location: 512 N. Salisbury Sr. Raleigh, NC 27604
Customer Service
An Equal Opportunity/Affirmative Action Employer - , 1-877-623-6748
50% Recyded/10 /o Post Consumer Paper
tCarolina
/VAreatara!!y

Additional Monitoring for High Rock Lake
Page 2
Thank you for your cooperation and assistance with this monitoring effort. This data will
be
invaluable to model development and improve model predictions. if you have any questions,
please contact Ms. Susan A. Wilson, ext. 510 (Supervisor, Western NPDES Program) or Ms.
Kathy Stecker , ext. 505.
Sincerely,
oleen H. Sullins
cc: Winston-Salem Regional Office / Steve Tedder
Central Files.
NPDES Files
TMDL and Modeling Unit, Planning Section
Jennie Atkins, Environmental Sciences Section