NC0036269_Pretreatment_LTMP_Letter_20220207

DocuSign Envelope ID: BB4E5C12-9BA6-4E9B-BEFB-DA605724D637
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
S. DANIEL SMITH
Director
NORTH CAROLINA
Environmental Quality
2/7/2022
Via Electronic Mail ([e-mail])
Ms. Beverly Metcalf
Environmental, Health & Safety Compliance Manager
Water & Sewer Authority of Cabarrus County
6400 Breezy Lane
Concord, NC 28025
Subject: Pretreatment Review of Long Term Monitoring Plan
Program: Water & Sewer Authority of Cabarrus County
WWTP: Rocky River WWTP, NPDES #: NC0036269
WWTP: Muddy Creek WWTP, NPDES #: NC0081621
Cabarrus County
Dear Ms. Metcalf:
The Municipal Unit of the Division of Water Resources has reviewed the updated Long Term Monitoring
Plan (LTMP) for the Water & Sewer Authority of Cabarrus County. The submission was received by the
Division on 12/14/2021.
The review indicates that with the updated LTMP is adequate and meets the requirements needed to
establish a site -specific Headworks Analysis (HWA). Proper implementation of a LTMP is also required
by your NPDES permit. Please refer to the Comprehensive Guidance for North Carolina Pretreatment
Programs (Comprehensive Guide) for additional information and examples. Modifications to this LTMP
must be approved by the Division.
Regardless of this approval action today, within 180 days of the effective date of any reissued NPDES
permit (or any subsequent NPDES permit modification) 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 Significant Industrial Users (SIU's).
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.
NORTH 1:tE
nepertment of Environmental CAROLINA
ouat�
North Carolina Department of Environmental Quality Division of Water Resources
512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617
919.707.9000

DocuSign Envelope ID: BB4E5C12-9BA6-4E9B-BEFB-DA605724D637
If you have any questions or comments, please contact Keyes McGee at [phone] [email:
[e-mail]]. Thank you for your continued support of the Pretreatment Program.
tkm/cabarrus_ltmp_updates_03
Ec: Municipal Unit File
Wes Bell, MRO
Central Files (Laserfische)
NORTH
Department of EmImnment.I Wally
Sincerely,
DocuSigned by: LI
NL kotAli"WW
C464531431644FE...
for S. Daniel Smith, Director
Division of Water Resources
North Carolina Department of Environmental Quality j Division of Water Resources
512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617
919.707.9000