WQ0034367_More Information (Requested)_20191122

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Director
NORTH CAROLINA
Environmental Quality
November 22, 2019
DAVID M. MOHR — ENGINEERING DIRECTOR
ONSLOW WATER AND SEWER AUTHORITY
228 GEORGETOWN ROAD
JACKSONVILLE, NORTH CAROLINA 28541
Subject: Application No. WQ0034367
Additional Information Request
Northwest Regional WRF
High -Rate Infiltration and
Reclaimed Water Bulk
Distribution System
Onslow County
Dear Mr. Mohr:
Division of Water Resources' Central and Regional staff has reviewed the application package
received September 16, 2019. 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 December
23, 2019.
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 two paper
copies and one electronic copy submitted to my attention at the address below.
If you have any questions regarding this request, please do not hesitate to contact me at (919) 707-
3658 or [e-mail]. Thank you for your cooperation.
Sincerely, >�Awa
Ashley Kabat, Environmental Engineer
Division of Water Resources
cc: Wilmington Regional Office, Water Quality Regional Operations Section (Electronic Copy)
James W. Holland, PE — WK Dickson & Co., Inc. (Electronic Copy)
Permit Application File WQ0034367
North Carolina Department of Environmental Quality I Division of Water Resources
EQ .2� 512 North Salisbury Street 1 1617 Mail Service Center I Raleigh, North Carolina 27699-1617
NOAn oar ouH i \ 919.707.9000
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Mr. David M. Mohr
November 22, 2019
Page 2 of 4
A. Cover Letter•
1. No Comments
B. Application Fee:
1. N/A
C. Application:
1. No Comments
D. Property Ownership Documentation:
1. N/A
E. Soil Evaluation:
1. N/A
F. Agronomist Evaluation:
1. N/A
G. Hydrogeologic Report:
1. N/A
H. Water Balance:
1. N/A
I. Engineering Plans:
1. No Comments
J. Specifications:
1. No Comments
K. Engineering Calculations:

Mr. David M. Mohr
November 22, 2019
Page 3 of 4
1. Provide signed. sealed, and dated Engineering Calculations showing that the facility will meet
effluent standards listed in Attachment A of the existing permit with the removal of the membrane
filters from the treatment works.
L. Site May:
1. No Comments
M. Power Reliability Plan:
1. N/A
N. Operation & Maintenance Plan:
1. Provide a revised Operation and Maintenance Plan that includes the required operation and
maintenance of the new open -vessel UV system rather than the closed -vessel system or state that a
final O&M plan will be submitted with the Engineering Certification.
O. Residuals Management Plan:
1. N/A
P. Additional Documentation:
➢ Certificate of Public Convenience and Necessity:
1. N/A
➢ Existing Permit:
1. Please provide the following schedules from the current permit issuance:
i. Prior to operation of the reclaimed water bulk distribution system, the Permittee shall
submit documentation of a bulk reclaimed water education program in accordance with
15A NCAC 02U .050 1 (a)(3),.0501(b)(4), and .0601(d).
2. The inspection report prepared from the Wilmington Regional Office explained that the
groundwater lowering system has not had water present for sampling as required by PPI 002
in the current permit issuance. Provide an explanation on how the groundwater lowering
system is operated and how sampling is performed for PPI 002 at this facility.
➢ Final Environmental Document:
1. N/A
➢ Floodway Regulation Compliance:
1. N/A

Mr. David M. Mohr
November 22, 2019
Page 4 of 4
➢ Operational Agreements:
1. N/A
➢ Threatened or Endangered Aquatic Species Documentation:
1111 ►//.1
➢ Wastewater Chemical Analysis:
1. N/A