NC0060259_Owner (Name Change)_20131023

NPDES DOCUMENT :MCANNINO COVER SHEET
NPDES Permit:
NC0060259
Willow Oak MHP WWP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
-/
Owner Name Change'
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
October 23, 2013
This document ifs printed on reuse paper - ignore any
content on the rezrerse side

INH—er3[E=R-1
North Carolina Department of Environment and Natural Resources
Division of Water Resources
Pat McCrory Tom Reeder John E. Skvarla, III
Governor Director Secretary
October 23, 2013
CHRIS BARRY
OPERATIONS OFFICER
ACG GREENSBORO, LLC
301 FELSPAR WAY
CARY, NC 27518
Subject:
Dear Mr. Barry:
NPDES Permit Modification- Name and/or
Ownership Change
Permit Number NC0060259
ACG Greensboro, LLC
Guilford County
Division personnel have reviewed and approved your request to transfer ownership of the subject permit, received
on October 17, 2012. This permit modification documents the change of ownership.
Please find enclosed the revised permit. All other terms and conditions contained in the original permit remain
unchanged and in full effect. This permit modification is issued under the requirements of North Carolina General
Statutes 143-215.1 and the Memorandum of Agreement between North Carolina and the U.S. Environmental Protection
Agency.
If you have any questions concerning this permit modification, please contact the Point Source Branch at (919)
807-6304.
Tom Reeder
cc: Central Files
Winston-Salem Regional Office
NPDES Unit File
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 512 N Salisbury St. Raleigh, North Carolina 27604
Phone: [phone] t FAX: [phone] Customer Service: 1-877-623.6748
Internet: www.ncwvaterqualily.org
An Equal Opportunity t Afrn,:dive Action Employer
Nne
orth Carolina
72ahhirahln

Permit NC0060259
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards
and regulations promulgated and adopted by the North Carolina Environmental Management
Commission, and the Federal Water Pollution Control Act, as amended,
ACG North Carolina, LLC
is hereby authorized to discharge wastewater from a facility located at the
Willow Oaks
109 South Fork Drive
Reidsville
Rockingham County
to receiving waters designated as Little Troublesome Creek in subbasin 03-06-01 of the Cape Fear
River Basin in accordance with effluent limitations, monitoring requirements, and other conditions set
forth in Parts I, II, III and IV hereof.
This permit shall become effective October 24, 2013.
This permit and authorization to discharge shall expire at midnight on April 30, 2016.
Signed this day Monday, October 23, 2013
1
(7'
eeder, Director
ision of Water Quality
By Authority of the Environmental Management Commission

Permit NC0060259
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby revoked, and as of this
issuance, any previously issued permit bearing this number is no longer effective. Therefore, the exclusive authority to
operate and discharge from this facility arises under the permit conditions, requirements, terms, and provisions included
herein.
ACG North Carolina, LLC is hereby authorized to:
1. Continue to operate an existing 0.0175 MGD wastewater treatment facility with the following
components:
• Manual bar screen
♦ Two -stage facilitative lagoon
• Alum feed & alum feed tanks
♦ Chlorine disinfection
• Tablet dechlorination
This facility is located southwest of Williamsburg off NC Highway 150 at the Willow Oak Mobile
Home Park WWTP in Rockingham County.
2. Discharge from said treatment works at the location specified on the attached map into Little
Troublesome Creek, classified WS-V NSW waters in hydrologic unit 03030002 of the Cape Fear
River Basin.

Permit NC0060259
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is
authorized to discharge from outfall 001. Such discharges shall be limited and monitored by the Permittee as
specified below:
PARAMV LETER
[PCS Code]
LIMITS
MONITO1ING REQUIREMENTS
Monthly
Average
Daily
Maximum
Measurement
Frequency
Sample Type
Sample
Location
Flow
[50050]
0.0175 MGD
Weekly
Instantaneous
Influent or
Effluent
BOD, 5-day (20°C)
[C0310]
30.0 mg/L
45.0 mg/L
2/Month
Grab
Effluent
Total Suspended Solids
[C0530]
90.0 mg/L
135.0 mg/L
2/Month
Grab
Effluent
NH3 as N (April 1— October 31)
[C0610]
7.2 mg/L
35 mg/L
2/Month
Grab
Effluent
NH3 as N (November 1 — March 31)
[C0610]
2/Month
Grab
Effluent
Fecal Coliform (geometric mean)
[31616]
200 / 100 ml
400 / 100 ml
2/Month
Grab
Effluent
Total Residual Chlorines
[50060]
28 µg/L
2/Week
Grab
Effluent
Temperature (°C)
[00010]
Weekly
Grab
Effluent
Total Nitrogen (NO2+NO3±TKN)
[C0600]
Quarterly
Grab
Effluent
Total Phosphorus
[C0665]
Quarterly
Grab
Effluent
PH
[00400]
> 6.0 and < 9.0 standard units
2/Month
Grab
Effluent
Footnotes:
1. The facility shall report all effluent TRC values reported by a NC certified laboratory including field
certified. However, effluent values below 50 µg/L will be treated as zero for compliance purposes.
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR VISIBLE FOAM IN OTHER THAN TRACE AMOUNTS.
A. (2) NUTRIENT REOPENER CONDITION
Pursuant to N.C. General Statutes Section 143-215.1 and the implementing rules found in the North Carolina
Administrative Code at 15A NCAC 2H,0I 12 (b) (1) and 2H.0114 (a) and Part 11 sections B-12 and B-13 of this
permit, the Director may reopen this permit to require supplemental nutrient monitoring of the discharge. The
purpose of the additional monitoring will be to support water quality modeling efforts within the Cape Fear
River Basin and shall be consistent with a monitoring plan developed jointly by the Division and affected
stakeholders. In addition, the results of water quality modeling may require that limits for total nitrogen and
total phosphorus be imposed in this permit upon renewal.

NC0060259 - Willow Oak Mobile
Latitude: 36° 16' 26" Longitude: 79° 36' 33"
Sub -Basin: 03-06-01 Stream Class: WS-V NSW
Hydrologic Unit: 03030002 River Basin: Cape Fear
USGS Quad: Williamsburg, N.C.
Receiving Stream: Little Troublesome Creek
Facility
Location
(