NC0085359_Notice of Violation_20230829

Roy COOPER
Governor
ELIZABETH S. BISER
Secfetary
RICHARD E. ROGERS, JR.
D-lor
SrArtA
n
NORTH CAROLINA
Environmental Quality
Certified Mail # 7018 3090 0001 2322 7263
Return Receipt Requested
August 28, 2023
Brian Matthews, County Manager
Union County
500 N Main St., Suite 70
Monroe, NC 28112
SUBJECT: NOTICE OF VIOLATION
Tracking Number: NOV-2023-MV-0165
Permit No. NCO085359
Twelve Mile Creek WWTP
Union County
Brian Matthews:
A review of the June 2023 Discharge Monitoring Report (DMR) for the subject facility revealed the violation(s)
indicated below:
Monitorina Violation(s):
Sample
Location
Parameter
Date
Monitoring
Frequency
Type of Violation
001 Downstream
Oxygen, Dissolved (DO) (00300)
6/3/2023
3 X week
Frequency Violation
001 Downstream
Temperature, Water Deg.
Centigrade (00010)
6/3/2023
3 X week
Frequency Violation
001 Downstream
Oxygen, Dissolved (DO) (00300)
6/10/2023
3 X week
Frequency Violation
001 Downstream
Temperature, Water Deg.
Centigrade (00010)
6/10/2023
3 X week
Frequency Violation
001 Downstream
Oxygen, Dissolved (DO) (00300)
6/17/2023
3 X week
Frequency Violation
001 Downstream
Temperature, Water Deg.
Centigrade (00010)
6/17/2023
3 X week
Frequency Violation
001 Downstream
Oxygen, Dissolved (DO) (00300)
6/24/2023
3 X week
Frequency Violation
001 Downstream
Temperature, Water Deg.
Centigrade (00010)
6/24/2023
3 X week
Frequency Violation
��...1%!� N000rth Carolkna laekaarimem of Errrlmnmrn[a]Qualkry I Pkvkslanor Water Resources
MmMle Repanal Officel 810East Center Avenue,S,Ke Wl I Mooresville,Na hCa Rna28115
704.b63.1099

Monitorina Violationlsl:
Sample Monitoring
Location Parameter Date Frequency Type of Violation
001 Upstream Oxygen, Dissolved (DO) (00300) 6/3/2023 3 X week Frequency Violation
001 Upstream Temperature, Water Deg. 6/3/2023 3 X week Frequency Violation
Centigrade (00010)
001 Upstream Oxygen, Dissolved (DO) (00300) 6/10/2023 3 X week Frequency Violation
001 Upstream Temperature, Water Deg. 6/10/2023 3 X week Frequency Violation
Centigrade (00010)
001 Upstream Oxygen, Dissolved (DO) (00300) 6/17/2023 3 X week Frequency Violation
001 Upstream Temperature, Water Deg. 6/17/2023 3 X week Frequency Violation
Centigrade (00010)
001 Upstream Oxygen, Dissolved (DO) (00300) 6/24/2023 3 X week Frequency Violation
001 Upstream Temperature, Water Deg. 6/24/2023 3 X week Frequency Violation
Centigrade (00010)
Remedial actions, if not already implemented, should be taken to correct any noted problems. The Division of
Water Resources may pursue enforcement actions for this and any additional violations. If the violations are of a
continuing nature, not related to operation and/or maintenance problems, and you anticipate remedial
construction activities, then you may wish to consider applying for a Special Order by Consent (SOC).
If you have any questions concerning this matter or to apply for an SOC, please contact Roberto Scheller of
the Mooresville Regional Office at 704-663-1699 or via Roberto. [e-mail].
Sincerely,
EA
DocuSigned by:
#uw N P:zt t.
F161F969A2D84A3...
Andrew H. Pitner, P.G., Regional Supervisor
Water Quality Regional Operations Section
Mooresville Regional Office
Division of Water Resources, NCDEQ
Cc: WQS Mooresville Regional Office - Enforcement File
NPDES Compliance/Enforcement Unit - Enforcement File
North Carellna Department ofE-ironmenlal -alRy I Divislon of Water Resources
D E I.. ✓I Mooresville Regional Office 16t0 East Center Avenue, 5orte 301 1 Mooresville, NarthCamP-28115