NC0072125_Renewal (Application)_20240429

ROY COOPER
Govemor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
Brenton Bent, Director Resources Water
City of Rocky Mount
PO Box 1180
Rocky Mount, NC 27802-1180
Subject: Permit Renewal
Application No. NCO072125
Tar River WTP
Nash County
Dear Applicant:
NORTH CAROLINA
Environmental Quality
April 29, 2024
The Water Quality Permitting Section acknowledges the April 29, 2024 receipt of your permit renewal application and
supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW permitting
branch. Per G.S. 150B-3 your current permit does not expire until permit decision on the application is made.
Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit. The
permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a
timely manner to requests for additional information necessary to allow a complete review of the application and renewal
of the permit.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https://www.deg.nc.gov/permits-rules/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
Sincerely,
J,,� L,(
Cynthia Demery
Administrative Assistant
Water Quality Permitting Section
ec: WQPS Laserfiche File w/application
D
_E Q� North Carolina Department of Environmental Quality I Division of Water Resources
Ralelgh Regional Office 1 3800 Barrett Drive I Raleigh, North Carolina 27609
g -9r /� 91979IA200

(9'.
ROCKY MOUNT
WATER RESOURCES
THE CENTER OF IT ALL
April 25, 2024
Thomas Cartledge
Compliance Administrator
City of Rocky Mount
P.O. Box 1180
Rocky Mount, NC 27802-1180
Ms. Wren Thedford
NC DEQ — DWR — NPDES
1617 Mail Service Center
Raleigh NC 27699-1617
Dear Ms.Thedford,
RECEIVED
APR 2 9 2024
NCDEQ/DWR/NPDES
The city of Rocky Mount is requesting a renewal of NPDES Permit Number NCO072125 for the Tar
River Water Treatment Plant. Enclosed find:
• EPA Form 1
• EPA Form 2C with tables A and C
• A line drawing of the facility
• A topographic map of the discharge location.
If you have any questions or comments, please contact Thomas Cartledge, Compliance Administrator, at
252-972-1408 or email: [e-mail].
Sincerely,
z
Thomas I. Cartledge, MBA
Compliance Administrator
Certified Mail Number: 9589 0710 5270 02281742 69
[phone] / 331 S. Franklin St., PO Box 1180, Rocky Mount, NC 27802-1180 / www.rockymountnc.gov

RECEIVED
EPA Identification Number
NPDES Permit Number
Facility Name
r' F9tri,tp Ooved 03/05/19
NCO072125
Tar River Water Treatment Plant
OMB No. 2040-0004
Form
U.S. Environmental ProtecA�;V PDE
t
�Er"/�1 Application for NPDES Permit to Dt Y n/N
NPDES
GENERAL INFORMATION
SECTION•NPDES
�Mwm1.1
Applicants Not Required to Submit Form 1
1.1.1
Is the facility a new or existing publicly owned
1.1.2
Is the facility a new or existing treatment works
treatment works?
treating domestic sewage?
If yes, STOP. Do NOT complete No
If yes, STOP. Do NOT 0 No
Form 1. Complete Form 2A.
complete Form 1. Complete
Form 2S.
1.2
Applicants Required to Submit Form 1
1.2.1
Is the facility a concentrated animal feeding
1.2.2
Is the facility an existing manufacturing,
aoperation
or a concentrated aquatic animal
commercial, mining, or silvicultural facility that is
N
production facility?
currently discharging process wastewater?
o
Yes 4 Complete Form 1 No
Yes 4 Complete Form No
z
and Form 26.
1 and Form 2C.
R
1.2.3
Is the facility a new manufacturing, commercial,
1.2.4
Is the facility a new or existing manufacturing,
mining, or silvicultural facility that has not yet
commercial, mining, or silvicultural facility that
—
commenced to discharge?
discharges only nonprocess wastewater?
Yes 4 Complete Form 1 No
Yes 4 Complete Form No
and Form 2D.
1 and Form 2E.
1.2.5
Is the facility a new or existing facility whose
'—
discharge is composed entirely of stormwater
a
associated with industrial activity or whose
discharge is composed of both stormwater and
non-stormwater?
Yes 4 Complete Form 1 No
and Form 2F
unless exempted by
40 CFR
122.26(b)(14)(x) or
SECTIOND••
• •
2.1
Facility Name
Tar River Water Treatment Plant
w0
2.2
EPA Identification Number
0
0
J
-C
2.3
Facility Contact
d
Name (first and last)
Title
hone number
Jim Connolly
Water Treatment Superintendent
T([phone]
a
Email address
[e-mail]
6
M
2.4
Facility Mailing Address
E
z
Street or P.O. box
PO Box 1180
City or town
State
ZIP code
Rocky Mount
NC
27802-1180
EPA Form 3510-1 (revised 3-19) Page 1
►,

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCO072125 Tar River Water Treatment Plant I OMB No. 2040-0004
2.5
Facility Location
Street, route number, or other specific identifier
Q 0
rn
4512 Leaston Road
o
County name
County code (if known)
Nash
E _j
City or town
State ZIP code
z R
Rocky Mount
INC 127802
SECTIONI
NAICS CODES1
3.1
SIC Code(s)
Description (optional)
4941
Water Supply Systems, Except Irrigation
N
d
O
U
N
U
Z
3.2
NAICS Code(s)
Description (optional)
R
221310
Water Treatment Plants
U
Cn
4.1
Name of Operator
7.0
City of Rocky Mount
4.2
Is the name you listed in Item 4.1 also the owner?
E
❑ Yes ❑ No
0
i
4.3
Operator Status
❑ Public —federal ❑ Public —state 0 Other public (specify) Municipal
o
❑ Private ❑ Other
(specify)
4.4
Phone Number of Operator
[phone]
4.5
Operator Address
.@
Street or P.O. Box
E
PO Box 1180
w
City or town
State
ZIP code
o v
R
Rocky Mount
NC
27802
a
Email address of operator
[e-mail]
SECTIONI
I • 1
5.1
Is the facility located on Indian Land?
a a
C _
❑ Yes 1E No
EPA Form 3510-1 (revised 3-19) Page 2

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NC0072125 Tar River Water Treatment Plant OMB No.2040-0004
SECTION•• 1
6.1 Existing Environmental Permits (check all that apply and print or type the corresponding permit number for each)
E❑✓ NPDES (discharges to surface ElRCRA (hazardous wastes) ElUIC (underground injection of
o w water) fluids)
5 E NC0072125
w a ❑ PSD (air emissions) ❑ Nonattainment program (CAA) ❑ NESHAPs (CAA)
X ❑ Ocean dumping (MPRSA) ❑ Dredge or fill (CWA Section 404) ❑ Other (specify)
w
SECTION
1
7.1 Have you attached a topographic map containing all required information to this application? (See instructions for
specific requirements.)
Yes ❑ No ❑ CAFO—Not Applicable (See requirements in Form 2B.)
SECTIONOF 1
7 = Describe the nature of your business.
Operations of a conventional surface water treatment plant located in Rocky Mount, NC that provides drinking water
to a municipal distribution systems. The treatment processes of this plant yields sludge from the sedimentation basin
M
(D and solids from filter backwashing. both of which are held in collection basins for settling, then decanted
c
y (dewatered) and dechlorinated. This permit extends to our ability to discharge these process waters from said
co treatment works via Outfall 001, at the location specified on the attached map into the Tar River.
0
3 Also attached is the plant flow schematic.
�v
z
SECTION' COOLING1
9.1 Does your facility use cooling water?
H ❑ Yes ❑ No 4 SKIP to Item 10.1.
d
9.2 Identify the source of cooling water. (Note that facilities that use a cooling water intake structure as described at
o, w 40 CFR 125, Subparts I and J may have additional application requirements at 40 CFR 122.21(r). Consult with your
c a)NPDES permitting authority to determine what specific information needs to be submitted and when.)
o
U �
SECTION
1 VARIANCE REQUESTS1 1
10.1 Do you intend to request or renew one or more of the variances authorized at 40 CFR 122.21(m)? (Check all that
w apply. Consult with your NPDES permitting authority to determine what information needs to be submitted and
(n when.)
❑ Fundamentally different factors (CWA ❑ Water quality related effluent limitations (CWA Section
Section 301(n)) 302(b)(2))
❑ Non -conventional pollutants (CWA ❑ Thermal discharges (CWA Section 316(a))
Section 301(c) and (g))
❑✓ Not applicable
EPA Form 3510-1 (revised 3-19) Page 3

EPA Identification Number
NPDES Permit Number
Name
Form Approved 03/05/19
NC0072125
:Facility
Tar River Wr Treatment Plant
OMB No.2040-0004
11.1
In Column 1 below, mark the sections of Form 1 that you have completed and are submitting with your application.
For each section, specify in Column 2 any attachments that you are enclosing to alert the permitting authority. Note
that not all applicants are re uired to provide attachments.
Column 1
Column 2
❑✓ Section 1: Activities Requiring an NPDES Permit
❑ w/ attachments
Section 2: Name, Mailing Address, and Location
❑ w/ attachments
❑� Section 3: SIC Codes
❑ w/ attachments
Section 4: Operator Information
❑ w/ attachments
❑✓ Section 5: Indian Land
❑ w/ attachments
❑� Section 6: Existing Environmental Permits
❑ w/ attachments
0 Section 7: Map
❑ w/ topographic ❑ w/ additional attachments
ca
ma
o`
❑✓ Section 8: Nature of Business
❑ w/ attachments
_._
Section 9: Cooling Water Intake Structures
❑ w/ attachments
4)
d
�
❑✓ Section 10: Variance Requests
q
❑ w/ attachments
�v
H
Section 11: Checklist and Certification Statement
❑ w/ attachments
Y
r
11.2
Certification Statement
Q
I certify under penalty of law that this document and all attachments were prepared under my direction or supervision
in accordance with a system designed to assure that qualified personnel properly gather and evaluate the
information submitted. Based on my inquiry of the person or persons who manage the system, or those persons
directly responsible for gathering the information, the information submitted is, to the best of my knowledge and
belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of fine and imprisonment for knowing violations.
Name (print or type first and last name)
Official title
Brenton F. Bent
Director of Water Resources
Signature
9f-
Date signed
11/2 ef12�
'GJEIVED
APR 2 9 2024
---n/r) IRINr-"'a-S
EPA Form 3510-1 (revised 3-19) Page 4

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCO072125 Tar River Water Treatment Plan OMB No. 2040-0004
Form U.S. Environmental Protection Agency
2C \"/ EPA Application for NPDES Permit to Discharge Wastewater
NPDES EXISTING MANUFACTURING, COMMERCIAL, MINING, AND SILVICULTURE OPERATIONS
SECTIONOUTFALL LOCATIONr
1.1 Provide information on each of the facility's outfalls in the table below.
Numbelr Receiving Water Name Latitude Longitude
--
001 Tar River 35' 54' 02" N a 77- 52' 5T W S
o
c 2.1 Have you attached a line drawing to this application that shows the water flow through your facility with a water
J A balance? (See instructions for drawing requirements. See Exhibit 2C-1 at end of instructions for example.)
o` ❑� Yes ❑ No
7CTION 3. AVERAGE FLOWSAND
3.1 For each outfall identified under Item 1.1, provide average flow and treatment information. Add additional sheets if
necessary. _
"Outfall Number" 001
Decant from settling basins containing wastewater
c
E
is
generated by the production of drinking water from
surface water
R
3
0
U-
a,
Description
(include size, flow rate through each treatment unit,
a'
retention time, etc.
Gravity Thickening
Dechlorination
Average Flow
0.456 mgd
mgd
mgd
mgd
Code from Final Disposal of Solid or
Table 2C-1 Liquid Wastes Other Than
by Discharge
1-V Land Application of Sludge
2-E
EPA Form 3510-2C (Revised 3-19) Page 1

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCO072125 Tar River Water Treatment Plan OMB No.2040-0004
3.1 "Outfall Number"
cont. Operations Contributing to Flow
Operation Average Flow
mgd
mgd
mgd
mgd
Treatment Units
Description Code from Final Disposal of Solid or
(include size, flow rate through each treatment unit, Table 2C-1 Liquid Wastes Other Than
retention time, etc. by Discharge
a
m
c
•C
0
U
c I
CD
E
io
m
H
'*Outfall Number"
.v
3 Operations
LL Operation Average Flow
d
A mgd
d
a mgd
mgd
mgd
Description Final Disposal of Solid or
Include size, flow rate throw h each treatment unit, Code from
( g Table 2C-1 Liquid Wastes Other Than
retention time. etc.l ku n.—ti--
3.2 Are you applying for an NPDES permit to operate a privately owned treatment works?
d a ❑ Yes ❑ No 4 SKIP to Section 4.
N 3.3 Have you attached a list that identifies each user of the treatment works?
❑ Yes ❑ No
EPA Form 3510-2C (Revised 3-19) Page 2

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NC0072125 Tar River Water Treatment Plan OMB No.2040-0004
SECTION• 1
4.1 Except for storm runoff, leaks, or spills, are any discharges described in Sections 1 and 3 intermittent or seasonal?
❑ Yes ❑� No 4 SKIP to Section 5.
4.2
Provide information
on intermittent or seasonal flows for each applicable outfall.
Attach additional a es, if necessary.
Outfall
Operation
Fre
uenc
Flow
Rate
Average
Average
Long -Term
Maximum
Number
(list)
Duration
Days ek
Months[Year
Average
mnv
days/week
months/year
mgd
mgd
days
c
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
c
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
days/week months/year mgd mgd
days
SECTION"•1
• 1
5.1
Do any effluent limitation guidelines (ELGs) promulgated by EPA under Section 304 of the CWA apply to your
facility?
❑ Yes ❑ No -* SKIP to Section 6.
0
5.2
Provide the following information on applicable ELGs.
w
ELG Category
ELG SubcategoryRegulatory
Citation
d
.a
o
c.
Q
5.3
Are any of the applicable ELGs expressed in terms of production (or other measure of operation)?
C
❑ Yes ❑ No 4 SKIP to Section 6.
O
:s
5.4
Provide an actual measure of daily expressed in terms
production and units of applicable ELGs.
E
-0
Outfall
Number
Operation, Product, or Material
Quantity per Day
Unit of
d
Measure
U)
R
m
C
O
7
V
O
a
EPA Form 3510-2C (Revised 3-19) Page 3

EPA Identification Number NPDES Permit Number Faality Name Form Approved 03/05/19
NCO072125 Tar River Water Treatment Plan OMB No.2040-0004
SECTION[--. IMPROVEMENTS (40
6.1 Are you presently required by any federal, state, or local authority to meet an implementation schedule for constructing,
upgrading, or operating wastewater treatment equipment or practices or any other environmental programs that could
affect the discharges described in this application?
❑ Yes ❑ No 4 SKIP to Item 6.3.
H
6.2
Briefly identify each a licableproject in the table below.
E
Brief Identification and Description of
Affected
Outfalls
Source(s) of
Final Compliance Dates
Required
Projected
'o
Project
(list outfall
Discharge
a
E
number
V
o
y
G7
A
C
6.3
Have you attached sheets describing any additional water pollution control programs (or other environmental projects
that may affect your discharges) that you now have underway or planned? (optional item)
❑ Yes ❑ No Not applicable
SECTIONr
See the instructions to determine the pollutants and parameters you are required to monitor and, in turn, the tables you must
complete. Not all applicants need to complete each table.
Table A. Conventional and Non -Conventional Pollutants
7.1
Are you requesting a waiver from your NPDES permitting authority for one or more of the Table A pollutants for any of
your outfalls?
❑ Yes ❑ No + SKIP to Item 7.3.
7.2
If yes, indicate the applicable outfalls below. Attach waiver request and other required information to the application.
Outfall Number Outfall Number Outfall Number
7.3
Have you completed monitoring for all Table A pollutants at each of your outfalls for which a waiver has not been
requested and attached the results to this application
package?
El Yes ❑ No; a waiver has been requested from my NPDES
cc
permitting authority for all pollutants at all outfalls.
Table B.
Toxic Metals, Cyanide, Total Phenols, and Organic Toxic Pollutants
7.4
Do any of the facility's processes that contribute wastewater fall into one or more of the primary industry categories
listed in Exhibit 2C-3? (See end of instructions for exhibit.)
❑ Yes ❑ No 4 SKIP to Item 7.8.
CD
7.5
Have you checked "Testing Required" for all toxic metals, cyanide, and total phenols in Section 1 of Table B?
W
❑ Yes ❑ No
7.6
List the applicable primary industry categories and check the boxes indicating the required GC/MS fraction(s) identified
in Exhibit 2C-3.
Primary Industry Category
Required GC/MS Fraction(s)
Check applicable boxes.
❑ Volatile ❑ Acid ❑ Base/Neutral ❑ Pesticide
❑ Volatile ❑ Acid ❑ Base/Neutral ❑ Pesticide
❑ Volatile ❑ Acid ❑ Base/Neutral ❑ Pesticide
EPA Form 3510-2C (Revised 3-19) Page 4

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
NCOO72125
Tar River Water Treatment Plan
OMB No. 2040-0004
7.7
Have you checked 'Testing Required" for all required pollutants in Sections 2 through 5 of Table B for each of the
GC/MS fractions checked in Item 7.6?
❑ Yes ❑ No
7.8
Have you checked 'Believed Present' or "Believed Absent" for all pollutants listed in Sections 1 through 5 of Table B
where testing is not required?
0 Yes ❑ No
7.9
Have you provided (1) quantitative data for those Section 1, Table B, pollutants for which you have indicated testing is
required or (2) quantitative data or other required information for those Section 1, Table B, pollutants that you have
indicated are 'Believed Present' in your discharge?
❑ Yes © No
7.10
Does the applicant qualify for a small business exemption under the criteria specified in the instructions?
Yes + Note that you qualify at the top of Table B, No
❑ 0
then SKIP to Item 7.12.
7.11
Have you provided (1) quantitative data for those Sections 2 through 5, Table B, for have
Udetermined
pollutants which you
testing is required or (2) quantitative data or an explanation for those Sections 2 through 5, Table B,
H
pollutants you have indicated are "Believed Present" in your discharge?
0
MA❑
Yes 0 No
d
Table C. Certain Conventional and Non -Conventional Pollutants
T7.12
Have you indicated whether pollutants are "Believed Present" or "Believed Absent" for all pollutants listed on Table C
for all outfalls?
d
Y
l0
0 Yes ❑ No
7.13
Have you completed Table C by providing (1) quantitative data for those pollutants that are limited either directly or
indirectly in an ELG and/or (2) quantitative data or an explanation for those pollutants for which you have indicated
'Believed Present'?
c
°'
_
❑✓ Yes ❑ No
w
Table D.
Certain Hazardous Substances and Asbestos
7.14
Have you indicated whether pollutants are "Believed Present" or "Believed Absent" for all pollutants listed in Table D for
all outfalls?
❑ Yes 0 No
7.15
Have you completed Table D by (1) describing the reasons the applicable pollutants are expected to be discharged
and (2) by providing quantitative data, if available?
❑ Yes 0 No
Table E. 2,3,7,8-Tetrachlorodibenzo- -Dioxin 2,3,7,8-TCDD
7.16
Does the facility use or manufacture one or more of the 2,3,7,8-TCDD congeners listed in the instructions, or do you
know or have reason to believe that TCDD is or may be present in the effluent?
❑ Yes 4 Complete Table E. ❑ No 4 SKIP to Section 8.
7.17
Have you completed Table E by reporting qualitative data for TCDD?
❑ Yes ❑ No
ZECTION
8. USED
OR MANUFACTURED TOXICSr
8.1
Is any pollutant listed in Table B a substance or a component of a substance used or manufactured at your facility as
an intermediate or final product or byproduct?
0
ElYes 0 No 4 SKIP to Section 9.
0
8.2
List the pollutants below.
._
0
1. 4. 7.
0
H
2. 5• 8.
[3.
6. 9.
EPA Form 3510-2C (Revised 3-19) Page 5

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NC0072125 Tar River Water Treatment Plan OMB No. 2040-0004
SECTION• • • 1
9.1 Do you have any knowledge or reason to believe that any biological test for acute or chronic toxicity has been made
within the last three years on (1) any of your discharges or (2) on a receiving water in relation to your discharge?
w ❑ Yes ❑ No 4 SKIP to Section 10.
v,
9.2
Identify the tests and their
purposes below.
Test(s)
Purpose of Test(s)
Submitted to NPDES
Date Submitted
o
Permitting Authority?
~
�❑
Effluent Toxicity
Permit Requires
Yes ❑
No
02/02/2024
0
0
0°
❑ Yes ❑ No
❑ Yes ❑ No
SECTIONr
CONTRACT,
10.1
Were any of the analyses reported in Section 7 performed by a contract laboratory or consulting firm?
0 Yes ❑ No 4 SKIP to Section 11.
10.2
Provide information for each contract laboratory or consulting
firm below.
Laboratory Number 1
Laboratory Number 2
Laboratory Number 3
Name of laboratory/firm
Meritech Inc
�,
Laboratory address
642 Tamco Rd, Reidsville, NC
Q27320
U
f6
C
U
Phone number
[phone]
Pollutant(s) analyzed Toxicity, TKN, Nitrate/Nitrite,
Fluoride, Ammonia
:-;ECTION
11. ADDITIONAL••
• i
11.1
Has the NPDES permitting authority requested additional information?
o
❑ Yes ❑ No 4 SKIP to Section 12.
`o
11.2
List the information requested and attach it to this application.
1. 4.
0
2. 5.
a
3. 6.
EPA Form 3510-2C (Revised 3-19) Page 6

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCO072125 Tar River Water Treatment Plan OMB No.2040-0004
SECTION• I
12.1 In Column 1 below, mark the sections of Form 2C that you have completed and are submitting with your application.
For each section, specify in Column 2 any attachments that you are enclosing to alert the permitting authority. Note
that not all applicants are required to com lete all sections or provide attachments.
Column 1 Column 2
© Section 1: Outfall Location Q w/ attachments
❑✓ Section 2: Line Drawing ✓❑ w/ line drawing ❑ w/ additional attachments
Section 3: Average Flows and w/ list of each user of
© Treatment ❑ w/ attachments ❑ privately owned treatment
works
❑✓ Section 4: Intermittent Flows ❑ w/ attachments
0 Section 5: Production ❑ w/ attachments
w/ optional additional
0 Section 6: Improvements ❑ w/ attachments ❑ sheets describing any
additional pollution control
tans
❑ w/ request for a waiver and w/ explanation for identical
supporting information Eloutfalls
m ❑ w/ small business exemption
d request ❑ w/ other attachments
ti a Section 7: Effluent and Intake 0 able A w/ T
c Characteristics ❑ w/ Table B
0
w
w/ Table C ❑ w/ Table D
❑ w/ Table E ❑ w/ analytical results as an
O Section 8: Used or Manufactured attachment
H ElToxics w/ attachments
Section 9: Biological Toxicity
s © Tests ❑ w/ attachments
c�
© Section 10: Contract Analyses ❑ w/ attachments
❑ Section 11: Additional Information ❑ w/ attachments
❑ Section 12: Checklist and
Certification Statement ❑ wl attachments
12.2 Certification Statement
1 certify under penalty of law that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gather and evaluate the information
submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly
responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true,
accurate, and complete. I am aware that there are significant penalties for submitting false information, including the
possibility of fine and imprisonment for knowing violations.
Name (print or type first and last name) Official title
Brenton F. Bent Director of Water Resources
Signature Date signed
41-Z (11zq
EPA Form 3510-2C (Revised 3-19) Page 7

This page intentionally left blank.

EPA Identification Number NPDES Permit Number Facility Name
NCO072125 Tar River Water Treatment Plan
Outfall Number
Form Approved 03/05/19
OMB No.2040-0004
PollutantRequested
!UJLIO "IT
WaiverUnits
(if applicable) (specify)
Effluent
Intake
0 tional
Maximum
Daily
Discharge
re wired
Maximum
Monthly
Discharge
if available
Long -Term
Average Daily
Discharge
if available
Number of
Analyses
Long -Term
Average Value
Number of
Analyses
❑ Check here if you have applied to your NPDES permitting authority for a waiver for all of the pollutants listed on this table for the noted outfall.
1'
Biochemical oxygen demand
(BOD5)
El
Concentration
Mass
2'
Chemical oxygen demand
(COD)
❑
Concentration
Mass
3.
Total organic carbon (TOC)
❑
Concentration
Mass
4.
Total suspended solids (TSS)
❑
Concentration
mg/L
28
7.36
257
Mass
5.
Ammonia (as N)
❑
Concentration
mg/L
1.12
0.29
21
Mass
6.
Flow
❑
Rate
mgd
1.88
0.456
7.
Temperature (winter)
❑
°C
°C
Temperature (summer)
❑
°C
°C
8.
pH (minimum)
❑
Standard units
S.U.
6.00
258
pH (maximum)
❑
Standard units
S.u.
8.70
258
Sampling shall be conducted according to sufficiently sensitive test procedures (i.e., methods) approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or
required under 40 CFR chapter I, subchapter N or 0. See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2C (Revised 3-19)
Page 9

This page intentionally left blank.

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05119
NCO072125 Tar River Water Treatment Plan OMB No. 2040-0004
Presence or Absence
check one Effluent Intake
7
(Optional)
Units -__ -
Pollutant Believed Believed Maximum Long -Term
(specify) Maximum Daily Long -Term
Present Absent Discharge Monthly Average Daily Number of Average Number of
(required) Discharge Discharge Analyses Value Analyses
f available f available
❑ Check here if you believe all pollutants on Table C to be present in your discharge from the noted outfall. You need not complete the 'Presence or Absence" column of Table C for
each pollutant.
❑ Check here if you believe all pollutants on Table C to be absent in your discharge from the noted outfall. You need not complete the 'Presence or Absence" column of Table C for
each pollutant.
1
Bromide
❑
❑
Concentration
Mass
(24959-67-9)
2
Chlorine, total
❑
❑
Concentration
ug/L
36
11
258
residual
Mass
3.
Color
❑
❑
Concentration
Mass
4.
Fecal coliform
❑
❑
Concentration
Mass
5
Fluoride
❑
❑
Concentration
mg/L
0.33
0.18
20
(16984-48-8)
Mass
6
Nitrate -nitrite
❑
Concentration
mg/L
1.3
0.30
23
Mass
7.
Nitrogen, total
❑
❑
Concentration
mg/L
2.5
1.2
21
organic (as N)
Mass
8.
Oil and grease
❑
❑
Concentration
Mass
g
Phosphorus (as
0
❑
Concentration
mg/L
0.20
0.12
21
P), total (7723-14-0)
Mass
10
Sulfate (as SO4)
❑
❑
Concentration
Mass
(14808-79-8)
11.
Sulfide (as S)
❑
❑
Concentration
Mass
EPA Form 3510-2C (Revised 3-19) Page 23

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
NCO072125 Tar River Water Treatment Plan OMB No. 2040-0004
• • • • • •• i
Presence or Absence
check one Effluent Intake
(Optional)
Pollutant Units Maximum Lon Term
Believed Believed (specify) Maximum Daily g- Long -Term
Present Absent Discharge Monthly Average Daily Number of Average Number of
(required) Discharge Discharge Analyses Analyses
if available if available Value
12
Sulfite (as SOs)
(14265-45-3)
❑
ElConcentration
Mass
13.
Surfactants
❑
❑
Concentration
Mass
14.
Aluminum, total
(7429-90-5)
❑
❑
Concentration
Mass
15.
Barium, total
(7440-39-3)
❑
❑
Concentration
Mass
16
Boron total
(744042-8)
❑
❑
Concentration
Mass
17.
Cobalt, total
(7440-484)
❑
❑
Concentration
Mass
18
Iron, total
(7439-89-6)
❑
❑
Concentration
Mass
19.
Magnesium, total
(7439-954)
❑
❑
Concentration
Mass
20.
Molybdenum,
total
7439-98-7
❑
❑
Concentration
Mass
21
Manganese, total
(7439-96-5)
❑
❑
Concentration
Mass
22
Tin, total
(7440-31-5)
El
Concentration
Mass
Mass
23
Titanium, total
(7440-32-6)
❑
❑
Concentration
Mass
EPA Form 3510-2C (Revised 3-19) Page 24

EPA Identification Number
NPDES Permit Number
Facility Name
Outfall Number
Form Approved 03/05/19
NCO072125
Tar River Water Treatment Plan
OMB No. 2040-0004
Presence or Absence
(check one)
Effluent
Intake
Pollutant
Units
Believed Believed (specify)
Maximum Daily
Maximum Long -Term
(Optional)
Present Absent
Discharge
MonthlyLong-Term
Average Daily Number of
AverageNumber of
(required)
Discharge Discharge AnalysesAnalyses
Value
if available if available
24. Radioactivity
-
Alpha, total
El
❑
Concentration
Mass
Beta, total
❑
Concentration
Mass
Radium, total
❑
❑
Concentration
Mass
Radium 226, total
Concentration
Mass
1 Samnlinn chnil ha rnnrhirfnrl
err Ainn
4n o f6n;. +1...,.,.,
si,.
_. _ _ __..___.__ ____._...� , ...,,,,,,,j ,,,„, ,,,, ,��, rnv�ouuica �i.U., "ML IVua/ dNNruvuu under �+u l,r-m i jo Tor Tne analysis oT pollutants or pollutant parameters or
required under 40 CFR chapter I, subchapter N or 0. See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2C (Revised 3-19) Page 25

This page intentionally left blank.

Tar River Reservoir
Process Schematic.,..
Sodium
bisulfite
Decanter Trac Vac Basins
NPDES pumps 2 x 540,000 intermittent up to 8400 gpm
700 gpm gallons
E
a
1;2co
c
�E
rn
g
g
M
Ferric
Sulfate, Land App,
70,000 gpd
c
o
N
m
W
caustic or lime,
Caustic &
m
polymer
chorine
m
Tar River Flash
Reservoir, Raw 12 mgd mixer 18,300
Water Pumps gallons
backwash
pump
Pump K12mgd Clearwell
wells #2, 1MG
v
E
Finish
Pumps-
7 mgd
14 mgd
14 mgd
v
co
E
N
Distribution
System
Flocculators and Sedimentation Sand
basins, 12 Anthracite
2 x 900,000 gallons m d A Filters (6)
intermittent 6300 gpm
rustic,
chlorine,
Clearwell Filtered fluoride, —
water Serpentine
#1, 1MG Channel corrosion
flume Inhibitor
ammonia
chlonne
I

ONI�t_'� Loerm.: oo,
ol
so
West Mount Dr
(NCSR 1717) 1717) .4L
SU
Approximate U Y '6
Facility Bounda
N
FlAotion
Ch -
%
C
& f go'
ne
Tar River VOIX
Tar River Mills 67 (flows east
Dam
// ' ..
ke
Outfall 0
Iflo 001
(flows e
ast)
I.PQY7ie
r. C.,
170
V
P
X.
NC Hwy 97
>
601
1 97
City of Rocky Mount -Tar River
Water Treatment Plant (WTP) Facility
4489 Leaston Road, Rocky, Mount 27802 Location
keCekingSrean: I ar Ruim %11eU" ,SC2"el21464.5) I
Scak 1:2400kuiaaee Baxin 'IW-Pnifico RivLr Damn Sub-B'il: 030302 L-SLifmde: 35* 54* 02- Loneitud 77* 52' W
WS-IV: NSW HUC: 0.3020101 NPDES Permit NCO072125
le (;"Oft '-%(;S Quad: D27NW / Na%hvilk NC —
North Nash County