WQ0031246_More Information (Requested)_20230206

ROY COOPER Governor lktv
ELIZABETH S. BISERSecretary
RICHARD E. ROGERS, JR. NORTH CAROLINA
Director Environmental Quality
February 6, 2023
EDWARD G. KILEY — VICE PRESIDENT
RIVERSOUND PROPERTY OWNERS ASSOCIATION, INC.
POST OFFICE BOX 572
EDENTON, NORTH CAROLINA 27932
Subject: Application No. WQ0031246
Additional Information Request
Riversound WWTP
High -Rate Infiltration System
Chowan County
Dear Mr. Kiley:
Division of Water Resources' Central and Regional staff has reviewed the application package
received on December 5, 2022. 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 March 8,
2023.
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 Q, or failure to provide the additional information on or before the above -requested
date may result in your application being returned as incomplete pursuant to 15A NCAC 02T .0107(e)(2).
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 an
electronic response submitted to my attention at: httl)s://edocs.de(i.nc.2ov/Forms/NonDischar2e-Branch-
Submittal-Form-Ver2.
If you have any questions regarding this request, please contact me at [phone] or
[e-mail]. Thank you for your cooperation.
Sincerely,
Docuftned by:
45A56104B4524E7...
Zachary J. Mega, Engineer II
Division of Water Resources
cc: Wasington Regional Office, Water Quality Regional Operations Section (Electronic Copy)
Joseph J. Anlauf, PE — Anlauf Engineering, PLLC (Electronic Copy)
Laserfiche File (Electronic Copy)
Q North Carolina Department of Environmental Quality I Division of Water Resources
D E vvvJ/ 512 North Salisbury Street 1 1617 Mail Service Center I Raleigh, North Carolina 27699-1617
NORTH CAROLINA
oePemmem of Environmental uuahty /`� 919.707.9000

Mr. Edward G. Kiley
February 6, 2023
Page 2 of 5
A. Cover Letter:
1. Will the two 2.75 hp equalization mixers remain online during the interim operation? If so, please
add this to the cover letter, fill out Item V.I I.g. on FORM: HRIS 06-16, add a reference to them
on the engineering plans, and add any necessary details to the O&M Plan.
2. Will an influent flow meter, effluent flow meter, effluent sampling station, and/or turbidimeter be
provided for the interim treatment train? If so, please add this to the cover letter, fill out Item V. I I .h.
on FORM: HRIS 06-16, add a reference to them on the engineering plans, provide any applicable
specifications, and add any necessary details to the O&M Plan.
B. Application Fee:
1. No comment.
C. Application (FORM: HRIS 06-16):
1. Item 1. 1. — Riversound POA is currently acting as a Privately -Owned Public Utility. Please check
this box.
2. Item IV.9. — "Yes" was selected, however, no documentation was provided for the presence or
absence of threatened or endangered aquatic species. Please see Comment 1 under Section P.
3. Item IV.11. — "N/A" was selected, however, Riversound POA is currently acting as a Privately -
Owned Public Utility. Please revise to "Yes" and see Comment 1 under Section P. [15A NCAC
02T .0115(a)(1), 02T .0704(g)]
4. Item IV.13. — "Yes" was selected, however, no Operational Agreement was provided with the
submitted application package. Please see Comment 1 under Section P. [ 15A NCAC 02T .0115(c)]
5. Item V.1 l.c. — Please fill out the information for the UV unit located under the table (i.e., number
of banks, number of lamps per bank, maximum disinfection capacity).
6. Item V.1 Le. — For the pumps in the I` stage of the AX-Max unit, the number of pumps is listed at
3, but it appears it should be 4 based on the information provided in the "Purpose" column. Please
verify and revise.
7. Item V.l l.f. —Blowers are not provided in duplicate as per 15A NCAC 02H .404(g). Please revise.
Item V.1 l.h. — Please provide details on the auxiliary power source in this table.
9. Item VIII.3. — Please provide the minimum field observed distance from surface waters to the
treatment/storage units.
10. Item IX.2. — "No" was selected, however, this facility is an Interim Treatment and Disposal Facility
per 15A NCAC 02H .0403. Please revise to "Yes".

Mr. Edward G. Kiley
February 6, 2023
Page 3 of 5
D. Property Ownership Documentation:
1. No property ownership documentation was provided with the submitted application package.
Please provide this per Instruction D on Instructions for FORM: HRIS 06-16 & Supporting
Documentation.
I. Soil Evaluation:
1. Not applicable.
J. Agronomist Evaluation:
1. Not applicable.
K. Hvdroueolouic Report:
1. Not applicable.
L. Water Balance:
1. Not applicable.
M. En2ineerin2 Plans:
1. The following comments have been provided by Randy Sipe of the Washington Regional Office:
a. The design drawings show a 2-inch PVC effluent discharge line extending to the edge of the
existing concrete slab before becoming buried. Will this line connect to the existing discharge
line to the infiltration basin, or will a new discharge line be extended to the basin? The design
drawings should be revised to indicate how effluent will be conveyed to the infiltration basin.
b. Will the proposed carbon and alkalinity systems require any weatherproofing? If so, this should
be included in the design drawings.
c. The UV treatment unit identified in the application package appears to be designed for water
treatment. Will it be able to operate in a wastewater environment?
2. If possible, please increase the quality of the AQWA and Orenco details on Sheet 1. The smaller
text is grainy and hard to read.
3. The notes in the top right corner of Sheet 1 appear to be for a different project. Please revise.
4. Please provide details for all proposed pumps, blowers, recording devices, and auxiliary power as
per Instruction I on Instructions for FORM: HRIS 06-16 & Supporting Documentation.

Mr. Edward G. Kiley
February 6, 2023
Page 4 of 5
5. Please provide a profile view of the interim treatment plant including its piping, valves, and
equipment, and a hydraulic profile from the interim treatment plant headworks to the highest
infiltration point as per Instruction I on Instructions for FORM: HRIS 06-16 & Supporting
Documentation.
6. Please label the blowers on Sheets 2 and 3.
7. Please show the auxiliary power in the plan view.
N. Specifications:
1. Please provide specifications for the blowers, UV units, auxiliary power, and any additional
equipment mentioned in Comment 2 under Section A above.
O. Engineering Calculations:
1. Please provide pump calculations (i.e., friction/total dynamic head calculations, system curve
analysis) for the selected pumps within the AX-Max Unit.
2. Please provide a demonstration that the specified auxiliary power source is capable of powering all
essential treatment units.
P. Site Map:
1. This is required and was not included in the submitted application package, however, our records
show a site map was received on August 17, 2021, in response to an Additional Information Request
Letter sent on May 24, 2021. Please review the attached site map and update based on the proposed
design, if necessary.
Q. Power Reliability Plan:
1. This is required and was not included in the submitted application package. Please submit
documentation of power reliability per 15A NCAC 02T .0705(k).
N. Operation and Maintenance Plan:
1. An O&M manual for the AX-Max unit was provided, but this is only a supplement to the required
O&M Plan. Our records show an O&M Plan was received on July 9, 2021, in response to an
Additional Information Request Letter sent on May 24, 2021. Please review the attached O&M
Plan for accuracy and update it as necessary for the proposed interim facility.
O. Residuals Management Plan:
1. No comment.

Mr. Edward G. Kiley
February 6, 2023
Page 5 of 5
P. Additional Documentation:
➢ Certificate of Public Convenience and Necessity:
1. This is required and was not included in the submitted application package. Please complete a
Certificate of Public Convenience and Necessity for the North Carolina Utilities Commission
per 15A NCAC 02T .0115(a)(1) and 02T .0704(g).
➢ Existing Permit:
1. No comment.
➢ Final Environmental Document:
1. Not applicable.
➢ Floodway Regulation Compliance:
1. Not applicable.
➢ Operational Agreements:
1. This is required and was not included in the submitted application package. Please submit the
properly executed Operational Agreement (FORM: HOA 01-20) and provide the proposed or
approved Articles of Incorporation, Declarations, and By-laws. A blank copy of the
Operational Agreement has been provided for your convenience. [15A NCAC 02T .0115(c)]
➢ Threatened or Endangered Aquatic Species Documentation:
1. This is required and was not included in the submitted application package. Please submit
documentation from the Department's Natural Heritage Program demonstrating the presence
or absence of threatened or endangered aquatic species within the boundary of the wastewater
treatment, storage, and infiltration facilities.
➢ Wastewater Chemical Analysis:
1. Not applicable.
Q. Recommendations: (Response not reauired)
1. The `2" Outlet" label leader label at the end of the AX-Max unit on Sheet 3 is missing an arrow.