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ISO 1400:2015 • NC Star Public Sector • OHSAS 18001,2007
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
Mr. Roberto Scheller
Division of Water Resources
Water Quality Regional Operations Section
610 E. Center Avenue, Suite 301
Mooresville, North Carolina 28115
WATER & SEWER AUTHORITY
OF CABARRUS COUNTY
Administrative Offices
232 Davidson Hwy, Concord, NC 28027
704.786.1783 ♦ 704.795.1564 Fax
Rocky River Regional WWTP
6400 Breezy Lane, Concord, NC 28025
704.788.4164 ♦ 704.786.1967 Fax
www.wsacc.org
RECEIVED/NCDENRIDWR
April 19, 2018
NPR 2 1a 2018
Subject: NPDES #0081621, Muddy Creek Wastewater Treatment Plant (MCWWTP)
Dear Mr. Scheller:
WOROS
MOORESVILLE REGIONAL OFFICE
This is a follow-up to our April 16, 2018 phone conversation informing you that MCWWTP was in violation of
the subject permit's monthly average flow limit of .150 MGD during the previous month. The average flow limit
was .1535 MGD; I became aware of the violation while preparing the March eDMR.
The MCWWTP received 4.5 inches of rain between March 1 and March 31, 2018. In an effort to prevent the
sewage from backing up in the collection system and causing an SSO, I ran a higher volume of flow through the
Plant. This allowed more water to move through MCWWTP faster while maintaining the other permit limits.
Currently MCWWTP is under construction to increase the treatment capacity to .300 MGD. Construction
started in February and is expected to be completed June 19, 2019.
If you have any questions, please contact me at 704.888.4888, 980.521.8611 and/or via email
KimHolt(c WSACC.org.
Sincerely,�� {��
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Kimberly Holt
Field Wastewater Services
Muddy Creek WWTP
Operator in Responsible Charge
KH/blc
Copy: John Ritchie
File