WQ0003396_Additional Information Request (Minor Mod) #1_20210617

ROY COOPER
Governor
JOHN NICHOLSON
Interim Secretary
S. DANIEL SMITH
Director
JEFF MCMILLIAN — PLANT MANAGER
ARAUCO NORTH AMERICA, INC.
985 CORIINTH ROAD
MONCURE, NORTH CAROLINA 27559
Dear Mr. McMillian:
NORTH CAROLINA
Environmental Quality
June 17, 2021
Subject: Application No. WQ0003396
Additional Information Request
Arauco — Moncure WWTF
Wastewater Irrigation System
Chatham County
Division of Water Resources' Central and Regional staff has reviewed the application package
received April 27, 2021 requesting a minor modification. However, additional information is required
before the review may be completed. Please address the items on the attached pages no later than the close
of business on July 19, 2021.
Please be aware that you are responsible for meeting all requirements set forth in North Carolina
rules and regulations. Any oversights that occurred in the review of the subject application package are
still the Applicant's responsibility. In addition, any omissions made in responding to the outstanding items
in Sections A through P, or failure to provide the additional information on or before the above requested
date may result in your application being returned as incomplete.
Please reference the subject application number when providing the requested information. All
revised and/or additional documentation shall be signed, sealed and dated (where needed), with one
electronic copy submitted to my attention at the address below or to our upload site (URL:
https:Hedocs.deg .nc. gov/Forms/NonDischarge-Branch-Submittal-Form-Ver2).
If you have any questions regarding this request, please do not hesitate to contact me at (919) 707-
3660 or Lauren.Plummer(a�ncdenr.gov. Thank you for your cooperation.
Sincerely,
LDSigned by:
nen,
VRmer, Engineer III
Division of Water Resources
cc: Raleigh Regional Office, Water Quality Regional Operations Section (Electronic Copy)
Richard Bolich, Groundwater Resources Section (Electronic Copy)
John Bird, PE — Arauco North America, Inc. (Electronic Copy)
Permit Application File WQ0003396
E Q�� North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 1 1617 Mail Service Center I Raleigh, North Carolina 27699-1617
NORTH CAROHNA -
oePemmentatE.i.—rdalQuality /� 919.707.9000

Mr. Jeff McMillian
June 17, 2021
Page 2 of 4
A. Cover Letter:
Within the cover letter, it is stated that as of November 6, 2020, the municipal wastewater pipeline
and the associated Industrial User Permit (IUP000042) became the primary means of wastewater
treatment and effluent removal. Is the non -discharge spray irrigation to remain as a
secondary/backup means of effluent disposal, or is it the intent of Arauco North America, Inc. to
discontinue the use of the spray irrigation fields for the foreseeable future? Please note that prior
to irrigation activities resuming the requested change in crop cover from pasture to Loblolly pine
will require the submittal of a soil evaluation and agronomic report to determine appropriate
loading rates. It is also unclear as to whether the existing irrigation equipment is suitable for
irrigating a Loblolly pine field. Alternatively, the Non -Discharge Branch can have the fields
removed from the permit at the applicant's request. Please note that the removal of the fields will
require the applicant to begin the process of corrective action under the 02 Rules; however, the
Non -Discharge permit will remain active for the on -going groundwater monitoring requirements
until the permit is rescinded. Please note that groundwater quality standard exceedances beyond
the compliance boundary will require corrective action per 15A NCAC 02L .0106. When the non -
discharge permit is rescinded, the compliance boundary will no longer be applicable and
groundwater quality standards must be met throughout the site. Please provide additional
information regarding the applicant's intentions for the Non -Discharge permit.
B. Application Fee:
1. Not applicable.
C. Application:
1. If the applicant intends to maintain the irrigation system for future use, then please update the
application form accordingly for the Loblolly pine crop cover.
D. Property Ownership Documentation:
1. No comment.
E. Soil Evaluation:
1. Not applicable.
F. Agronomist Evaluation:
1. Not applicable.
G. Hvdrogeologic Report:
1. Not applicable.

Mr. Jeff McMillian
June 17, 2021
Page 3 of 4
H. Water Balance:
1. Not applicable.
I. EnaineerinE Plans:
1. Not applicable.
J. Specifications:
1. Not applicable.
K. Enaineerina Calculations:
1. Not applicable.
L. Site Map:
1. No comment.
M. Power Reliability Plan:
1. Not applicable.
N. Operation & Maintenance (O&M) Plan:
1. If the applicant intends to retain the spray irrigation fields, then please revise the O&M plan to
include a section for the necessary maintenance of the Loblolly pine crop.
O. Residuals Management Plan:
1. No comment.
P. Additional Documentation:
➢ Certificate of Public Convenience and Necessity:
1. Not applicable.
➢ Existing Permit:
I . One of the proposed modification requests was to remove the annual requirements for irrigation
equipment testing and calibration; however, the Non -Discharge Branch would like to point out
that existing condition III.7 of the permit states that irrigation equipment shall be tested and
calibrated once per permit cycle. Is the applicant intending to retain the existing irrigation
equipment for possible future use?

Mr. Jeff McMillian
June 17, 2021
Page 4 of 4
2. The final proposed modification request was to remove the annual requirements for metering
equipment testing and calibration as required by existing condition III.17. Is the applicant
intending to retain the existing metering equipment for possible future use?
➢ Final Environmental Document:
1. Not applicable.
➢ Floodway Regulation Compliance:
1. Not applicable.
➢ Operational Agreements:
1. Not applicable.
➢ Threatened or Endangered Aquatic Species Documentation:
1. Not applicable.
➢ Wastewater Chemical Analysis:
1. No comment.

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