HomeMy WebLinkAboutNC0026051_Pretreatment_IUP_Modification_Letter_20221108DocuSign Envelope ID: 5A58A566-C6EF-4999-A44A-81728E9FC4BF
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
Via Electronic Mail (ajmoore@dconc.gov)
Amy Moore
Laboratory & Compliance Manager
Durham County
5926 NC Hwy 55 East
Durham, NC 27713
Subject:
NORTH CAROLINA
Environmental Quality
11/8/2022
Pretreatment Review of Industrial User Pretreatment Permit Modifications
Program: Durham County
Wastewater Treatment Plant: Triangle WWTP
NPDES #: NC0026051
Durham County
Dear Amy Moore:
The Municipal Unit of the Division of Water Resources has reviewed the Industrial User Pretreatment Permit
(IUP) modifications submitted by Durham County for the following Significant Industrial Users (SIUs). The
submission was received by the Division on September 27th, 2022.
SIU #
SIU NAME
DC-040
Wolfspeed, Inc. RTP
DC-076
Wolfspeed, Inc. Durham
The review indicates that the IUPs are adequate and meet the minimum requirements of 15A NCAC 2H .0916
and 40 CFR 403.8(f)(1)(iii). The allocation table, maintained in the Division's database, has been updated
accordingly.
Regardless of approval action today, within 180 days of the effective date of any reissued or modified NPDES
permit the permittee would be required to submit to the Division a written technical evaluation of the need to
revise local limits (i.e., an updated IWS, or documentation of why one is not needed). This action may include
revising, updating, or adding to the list of SIUs. Pursuant to 15A NCAC 2H .0907(b) either the Division or the
permittee may initiate pretreatment program revisions.
Federal and State pretreatment regulations require the local delegated pretreatment program to effectively
control and document the discharge of wastewater from Significant/Categorical Industrial Users to the POTW.
It is the POTW's responsibility to ensure that these objectives are consistently met.
LD_E
NORTH CAROLINA
DeperhneM of Environmental Oual�
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11611 Mail Service Center I Raleigh, North Carolina 27699-1611
919.707.9000
DocuSign Envelope ID: 5A58A566-C6EF-4999-A44A-81728E9FC4BF
If you have any questions or comments, please contact Keyes McGee at (919) 707-3626 [email:
keyes.mcgee@ncdenr.gov] or Octavio Henriquez at (919) 707-3662 [email: octavio.henriquez@ncdenr.gov]
Thank you for your continued support of the Pretreatment Program.
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Ec: Municipal Unit File
Cheng Zhang, RRO
Central Files (Laserfiche)
D_E
NORTH CARCLINA
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Sincerely,
DocuSigned by:
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-C464531431644FE...
for Richard E. Rogers, Jr., Director
Division of Water Resources
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11611 Mail Service Center I Raleigh, North Carolina 27699-1611
919.707.9000