NC0056278_Fact Sheet_20230703

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
FACT SHEET FOR EXPEDITED PERMIT RENEWALS
This form must be completed by Permit Writers for all expedited permits which do not require
full Fact Sheets. Expedited permits are generally simple 100% domestics (e.g., schools, mobile
home parks, etc.) that can be administratively renewed with minor changes but can include
facilities with more complex issues (Special Conditions, 303(d) listed water, toxicity testing,
instream monitoring, compliance concerns).
Basic Information for Expedited Permit Renewals
Permit Writer/Date
Charles H. Weaver — 7/3/2023
Permit Number
NCO056278
Facility Name
River Mill COA, Inc.
Basin Name/Sub-basin number
03-04-02
Receiving Stream
Neuse River
Stream Classification in Permit
WS-IV NSW
Does permit need Daily Max NH3 limits?
Not required due to massive dilution.
Does permit need TRC limits/language?
No — already resent
Does permit have toxicity testing?
No
Does permit have Special Conditions?
Neuse special conditions
Does permit have instream monitoring?
No
Is the stream impaired (on 303(d) list)?
For whatparameter?
No
Any obvious compliance concerns?
No enforcements since 2008. Two NOVs
during this permit cycle.
Any permit modifications since lastpermit?
None
New expiration date
3/31/2028
Changes in Draft Permit
• eDMR language has been updated
• Added new Neuse modeling condition
Changes to final permit
• None

DocuSign Envelope ID: 32CFADBA-0546 41AE-B5E6 4F625D5297F3 a tz b3 wds3 /DetailsPrint.as x?SID=2ed m z3da1a tz b3 wds3&ID=387255
ipt>
News & Observer
Publication Name:
News & Observer
Publication URL:
Publication City and State:
Raleigh, NC
Publication County:
Wake
Notice Popular Keyword Category:
Notice Keywords:
NCO056278
Notice Authentication Number:
202307030827231823910
2510867466
Notice URL:
Back
Notice Publish Date:
Thursday, May 18, 2023
Notice Content
Public Notice North Carolina Environmental Management Commission/NPDES Unit 1617 Mail Service Center Raleigh, NC 27699-1617 Notice
of Intent to Issue a NPDES Wastewater Permit NCO060526 Pope Industrial Park WWTP, and NCO056278 River Mill WWTP The North Carolina
Environmental Management Commission proposes to issue a NPDES wastewater discharge permit to the person(s) listed below. Written
comments regarding the proposed permit will be accepted until 30 days after the publish date of this notice. The Director of the NC Division
of Water Resources (DWR) may hold a public hearing should there be a significant degree of public interest. Please mail comments and/or
information requests to DWR at the above address. Interested persons may visit the DWR at 512 N. Salisbury Street, Raleigh, NC 27604 to
review the information on file. Additional information on NPDES permits and this notice may be found on our website:
https://deq.nc.gov/public-notices-hearings,or by calling [phone].Pope Industrial Park requested renewal of permit NC0060526/Wake
County. Facility discharges to an unnamed tributary to Swift Creek/Neuse River Basin. Currently, BOD5, ammonia, dissolved oxygen, fecal
coliform and total residual chlorine are water quality limited. River Mill HOA requested renewal of permit NCO056278/River Mill WWTP/Wake
County. Facility discharges to the Neuse River/Neuse River Basin. Currently fecal coliform and total residual chlorine are water quality limited.
W00000000 Publication Dates
Back
https://www.ncnotices.com/(S(2edppmgz3dalaytzpb3gwds3))/DetailsPrint.aspx?SID=2edppmgz3dalaytzpb3gwds3&ID=387255 1/1

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
ZNE STATE
o.
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR. NORTH CAROLINA
Director Environmental Quality
April 6, 2023
MEMORANDUM
To: Shawn Guyer
NC DEQ / DWR / Public Water Supply
Raleigh Regional Office
From: Charles H. Weaver, Jr.
NPDES Unit
Subject: Review of Draft NPDES Permit NCO056278
River Mill WWTP
Wake County
Please indicate below your agency's position or viewpoint on the draft permit and return this
form by May 7, 2023. If you have any questions on the draft permit, please contact me at
919-707-3616 or via e-mail [[e-mail]].
RESPONSE: (Check one)
Concur with the issuance of this permit provided the facility is operated and maintained
Fv_1 properly, the stated effluent limits are met prior to discharge, and the discharge does not
contravene the designated water quality standards.
F-1
Concurs with issuance of the above permit, provided the following conditions are met:
F-1
Opposes the issuance of the above permit, based on reasons stated below, or attached:
Signed
North Carolina Department of Environmental Quality Division of Water Resources
512 North Salisbury Street 1617 Mail Service Center Raleigh, North Carolina 27699-1617
VIR)KIrAW1ziw
Date: 04/19/2023
NORTH CAROLINAD_ E Q I
Depmlmenf of EnAmnmenW Doal�

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
River Mill HOA, Inc
Attn: Marie Guzieka, President
4700 Homewood Ct Ste 380
Raleigh, NC 27609
Subject: Permit Renewal
Application No. NCO056278
River Mill WWTP
Wake County
Dear Applicant:
NORTH CAROLINA
Environmental Quality
February 02, 2023
The Water Quality Permitting Section acknowledges the February 2, 2023 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://deq.nc.gov/permits-regulations/permit-guidance/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.
ec: WQPS Laserfiche File w/application
Sincere)
Wren T edfor
Administrative Assistant
Water Quality Permitting Section
9�r
North Carolina Department of Environmental Quality I Division of Water Resources
Raleigh Regional Office 1 3800 Barren Drive I Raleigh. North Carolina 27609
919.791.4200

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
To: Wren Thedford
NC DENR/DWR/NPDES Unit
1617 Mail Services Center
Raleigh, NC 27699-1617
From: Marie Guziejka
River Mill HOA President
Date: January 30, 2023
Re: River Mill COA Wastewater Treatment Plant, Wake County
NPDES Permit # NC0056278
RECEIVED
FEB 4 2 2023
NCDEQ/DWR/NPDES
Please allow this memo to serve as a request for renewal of the wastewater treatment plant permit for
the above treatment plant. Included is the Form 2A permit application.
Thank you for your attention in this matter. If you have any questions, please feel free to contact me.
Sincerely,
Marie Guziejka
River Mill HOA President
Mobile: [phone]
Email: [e-mail]
1500 River Mill Drive #303
Wake Forest, NC 27587

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
North Carolina
Department of Environmental Quality
Division of Water Resources
Modified Application Form 2A
Revised March 2021
Modified Application
Form 2A
Minor Sewage Facilities < 0.1 MGD
and No Pretreatment Program
NPDES Permitting Program
Note: Complete this form if your facility is a MINOR new or existing publicly owned treatment works.

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
NPDES Permit Number Facility Name Modified Application Form 2A
NCO056278 River Mill WWTP Modified March 2021
Form
NC Department of Environmental Quality - Application for NPDES Permit to Discharge Wastewater
MINOR SEWAGE FACILITIES (Before completing this form, please read the instructions. Failure to follow
NPDES
the instructions may result in denial of the ication.
SECTION•N
INFORMATION FOR i
Facility name
1.1
River Mill WWTP
Mailing address (street or P.O. box)
C/O Associa HRW, 4700 Homewood Ct, Suite 380
City or town
State
ZIP code
o
Raleigh
NC
27609
E
Contact name (first and last)
Title
Phone number
Email address
0
Ellie Loebach
Community Manager
[phone]
[e-mail]
.41
Location address (street, route number, or other specific identifier) ❑ Same as mailing address
U-
1500 River Mill Drive
City or town
State
ZIP code
Wake Forest
NC
27587
1.2
Is this application for a facility that has yet to commence discharge?
❑ Yes 4 See instructions on data submission ❑ No
requirements for new dischargers.
1.3
Is applicant different from entity listed under Item 1.1 above?
❑ Yes ❑ No 4 SKIP to Item 1.4.
Applicant name
Marie Guziejka
Applicant address (street or P.O. box)
1500 River Mill Drive #303
E
City or town
State
ZIP code
Wake Forest
NC
27587
Contact name (first and last)
Title
Phone number
Email address
a
Marie Guziejka
River Mill HOA President
[phone]
[e-mail]
a
1.4
Is the applicant the facility's owner, operator, or both? (Check only one response.)
❑ Owner ❑ Operator ❑ Both
1.5
To which entity should the NPDES permitting authority send correspondence? (Check only one response.)
❑ Facility ❑ Applicant Facility and applicant
(they are one and the same)
1.6
Indicate below any existing environmental permits. (Check all that apply and print or type the corresponding permit
E
number for each.
Existing Environmental Permits
a
EJ NPDES (discharges to surface
RCRA hazardous waste
UIC (underground injection
water)
control)
E
c
NC0056278
❑ PSD (air emissions)
❑ Nonattainment program (CAN
❑ NESHAPs (CAA)
c
ul
a�
N
❑ Ocean dumping (MPRSA)
❑ Dredge or fill (CWA Section
❑ Other (specify)
w
404)
Page 1

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
NPDES Permit Number Facility Name Modified Application Form 2A
NCOOS6278 River Mill WWTP Modified March 2021
1.7
Provide the collections stem information
requested below for the treatment works.
Municipality
Population
Collection System Type
Ownership Status
Served
Served
indicate percentage)
100 % separate sanitary sewer
ID Own 0 Maintain
51 condo units
% combined stone and sanitary sewer
❑ Own ❑ Maintain
d
❑ Unknown
❑ Own ❑ Maintain
separate sanitary sewer
❑ Own ❑ Maintain
combined storm and sanitary sewer
❑ Own ❑ Maintain
❑ Unknown
❑ Own ❑ Maintain
0
% separate sanitary sewer
El Own ❑ Maintain
_
% combined storm and sanitary sewer
❑ Own ❑ Maintain
E
ElUnknown
ElOwn ❑ Maintain
a;
% separate sanitary sewer ❑ Own ❑ Maintain
combined storm and sanitary sewer ❑ Own ❑ Maintain
c
❑ Unknown ❑ Own ❑ Maintain
;
Total
d
Population
51 condo units
c)
Served
Separate Sanitary Sewer System Combined Storm and
Sanitary Sewer
Total percentage of each type of
sewer line in miles
°
° /D 100 �0
1.8
Is the treatment works located in Indian Country?
c
0
0
U
ElYes ❑ No
r-
1.9
Does the facility discharge to a receiving water that flows through Indian Country?
c
❑ Yes 0 No
1.10
Provide design and actual flow rates in the designated spaces.
Design Flow Rate
0.02 mgd
Annual Average Flow Rates Actual
a
Two Years Ago
Last Year
This Year
c
c o
0.002 mgd
0.002 mgd
o.02 mgd
Ua:Maximum
Dail Flow Rates Actual
o
Two Years Ago
Last Year
This Year
o.006 mgd
o.009 mgd
0.009 mgd
1.11
Provide the total number of effluent discharge points to waters of the State of North Carolina by type.
cTotal
Number of Effluent Discharge Points by T pe
a
a'
Combined Sewer
Constructed
Treated Effluent
Untreated Effluent
Bypasses
Emergency
s
Overflows
Overflows
tll
0
1
Page 2

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
NPDES Permit Number
NC0056278
-] Facility Name Modified Application Form 2A
River Mill WWTP Modified March 2021
Outfalls Other Than to Waters of the State of North Carolina
1.12
Does the POTW discharge wastewater to basins, ponds, or other surface impoundments that do not have outlets
for discharge to waters of the State of North Carolina?
❑ Yes 0 No 4 SKIP to Item 1.14.
1.13
Provide the location of each surface impoundment and associated discharge information in the table below.
Surface Impoundment Location and Dischar a Data
Average Daily Volume
Continuous or Intermittent
Location
Discharged to Surface
(check one)
Impoundment
❑ Continuous
gpd
❑ Intermittent
ElContinuous
gpd
❑ Intermittent
❑ Continuous
gpd
y
-a
❑ Intermittent
1.14
Is wastewater applied to land?
❑ Yes 0 No -+ SKIP to Item 1.16.
c
1.15
Provide the land application site and discharge data requested below.
.CL
Land Application Site and Discharge Data
o
c
Average Daily Volume
Continuous or
Location
Size
Applied
Intermittent
check one
acres
gpd❑
El Continuous
o
Intermittent
acres
gpd
❑ Continuous
❑ Intermittent
acres
gpd
❑ Continuous
❑ Intermittent
1.16
Is effluent transported to another facility for treatment prior to discharge?
o
❑ Yes ❑✓ No 4 SKIP to Item 1.21.
1.17
Describe the means by which the effluent is transported (e.g., tank truck, pipe).
1.18
Is the effluent transported by a party other than the applicant?
❑ Yes ❑ No -* SKIP to Item 1.20.
1.19
Provide information on the transporter below.
Transporter Data
Entity name
Mailing address (street or P.O. box)
City or town
State
ZIP code
Contact name (first and last)
Title
Phone number
Email address
Page 3

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
NODES Permit Number Facility Name Modified Application Form 2A
NCOOS6278 River Mill WWTP Modified March 2021
1.20
In the table below, indicate the name, address, contact information, NPDES number, and average daily flow rate of the
receiving facility.
Receiving F cility Data
Facility name
Mailing address (street or P.O. box)
City or town
State
ZIP code
0
Contact name (first and last)
Title
0
Phone number
Email address
2
aNPDES
number of receiving facility (if any) ❑ None
Average daily flow rate mgd
2
1.21
Is the wastewater disposed of in a manner other than those already mentioned in Items 1.14 through 1.21 that do
0
not have outlets to waters of the State of North Carolina (e.g., underground percolation, underground injection)?
s
❑ Yes ❑✓ No 4 SKIP to Item 1.23.
0
1.22
Provide information in the table below on these other disposal methods.
Information on Other Disposal Methods
oDisposal
Location of
Size of
Annual Average
Continuous or Intermittent
Method
Disposal Site
Disposal Site
Daily Discharge
(check one)
Description
Volume
w
acres
gpd
❑ Continuous
❑ Intermittent
acres
ElContinuous
gpd
❑ Intermittent
acres
gpd
I ❑ Continuous
❑ Intermittent
1.23
Do you intend to request or renew one or more of the variances authorized at 40 CFR 122.21(n)? (Check all that apply.
Consult with your NPDES permitting authority to determine what information needs to be submitted and when.)
❑ Discharges into marine waters (CWA ❑ Water quality related effluent limitation (CWA Section
Cr
Section 301(h)) 302(b)(2))
❑ Not applicable
1.24
Are any operational or maintenance aspects (related to wastewater treatment and effluent quality) of the treatment works
the responsibility of a contractor?
❑✓ Yes ❑ No +SKIP to Section 2.
1.25
Provide location and contact information for each contractor in addition to a description of the contractor's operational
and maintenance responsibilities.
Contractor Information
Contractor 1
Contractor 2
Contractor 3
Contractor name
M&M Water & Wastewater Se
McGill
Gregory Poole
(company name
E
Mailing address
3191 Gela Rd
5400 Trinity Road, Suite 107
3201 Integrity Drive
street or P.O. box
`o
City, state, and ZIP
Oxford, NC 27565
Raleigh, NC 27607
Garner, NC, 27529
code
c
Contact name (first and
Nancy Mathews
Casey Dunlap
c.)
last
Phone number
[phone]
[phone]
[phone]
Email address
[e-mail]
mcgillassociates.com
[e-mail]
Operational and
Full service
Solid waste removal
Generator for backup service
maintenance
responsibilities of
in cases of power loss
contractor
Page 4

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
NPDES Permit Number Facility Name Modified Application Form 2A
NCO056278 River Mill WWTP Modified March 2021
SECTION11 • •' • 1
o Outfalls to Waters of the State of North Carolina
2.1
Does the treatment works have a design flow greater than or equal to 0.1 mgd?
a,
o
❑ Yes 0 No 4 SKIP to Section 3.
2.2
Provide the treatment works' current average daily volume of inflow
Average Daiy Volume of Inflow and infiltration
o d
9P
and infiltration.
Indicate the steps the facility is taking to minimize inflow and infiltration.
c
m
3
0
c
s
2.3
Have you attached a topographic map to this application that contains all the required information? (See instructions for
M s,
specific requirements.)
rn fd
o �
❑ Yes E:]No
110
E
2.4
Have you attached a process flow diagram or schematic to this application that contains all the required information?
M
o a,
(See instructions for specific requirements.)
o
❑ Yes ❑ No
2.5
Are improvements to the facility scheduled?
❑ Yes ❑r No 4 SKIP to Section 3.
Briefly list and describe the scheduled improvements.
0
c
m
n
2.
E
6
N
a�
3.
-a
a�
Q
4.
R
2.6
Provide scheduled or actual dates of completion for improvements,
Scheduled
or Actual Dates of Completion for Im rovements
CID
E
Scheduled
Affected
Outfalls
Begin
End
Begin
Attainment of
Operational
o
a
Improvement
(list outfall
Construction
Construction
Discharge
Level
E
tfrom above)
number
(MM/DD/YYYY)
(MM/DD/YYYY)
(MM/DD/YYYY)
MM/DD/YYYY
d
-o
d
Cn
2.
3.
4.
2.7
Have appropriate permits/clearances concerning other federal/state requirements been obtained? Briefly explain your
response.
❑ Yes ❑ No ❑ None required or applicable
Explanation:
Page 5

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
NPDES Permit Number Facility Name Modified Application Form 2A
NC0056278 River Mill WWTP Modified March 2021
SECTION•' • ON • t
3.1 Provide the following information for each outfall. (Attach additional sheets if you have more than three outfalls.)
Outfall Number 1
Outfall Number
Outfall Number
State
North Carolina
County
Wake
O
City or town
Wake Forest
0
0
c
Distance from shore
0 ft.
ft.
ft.
a
d
Depth below surface
0 ft.
ft.
ft.
a
Average daily flow rate
0.005 mgd
mgd
mgd
Latitude
°
Longitude
°
3.2
Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
o
❑ Yes r❑ No 4 SKIP to Item 3.4.
d
CM
3.3
If so, provide the following information for each applicable outfall.
s
H
Outfall Number
Outfall Number
Outfall Number
0
Number of times per year
discharge occurs
a
Average duration of each
`o
discharge (specify units
cAverage
flow of each
mgd
mgd
mgd
discharge
N
Months in which discharge
occurs
3.4
Are any of the outfalls listed under Item 3.1 equipped with a diffuser?
❑ Yes ❑✓ No 4 SKIP to Item 3.6.
3.5
Briefly describe the diffuser pe at each applicable outfall.
Outfall Number
Outfall Number
Outfall Number
d
y
a
o vi
3.6
Does the treatment works discharge or plan to discharge wastewater to waters of the State of North Carolina from
one or more discharge points?
3 w
❑v Yes ElNo -SKIP to Section 6.
Page 6

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
NPDES Permit Number
Facility Name
Modified Application Farm 2A
NCO056278
River Mill WWTP
Modified March 2021
3.7
Provide the receiving water and related information if known for each outfall.
Outfall Number
Outfall Number
Outfall Number
Receiving water name
Neuse River
Name of watershed, river,
c
or stream system
Neuse River
n
U.S. Soil Conservation
ti
Service 14-digit watershed
o
code
Name of state
NCDENR
rn
managemenUriver basin
U.S. Geological Survey
8-digit hydrologic
cataloging unit code
Critical low flow (acute)
cfs
cfs
cfs
Critical low flow (chronic)
cfs
cfs
cfs
Total hardness at critical
mg/L of
mg/L of
mg/L of
low flow
CaCO3
CaCOs
CaCO3
3.8
Provide the following information
describing the treatment pr vided for discharges from each outfall.
Outfall Number 1
Outfall Number
Outfall Number
Highest Level of
❑ Primary
❑ Primary
❑ Primary
Treatment (check all that
❑ Equivalent to
❑ Equivalent to
❑ Equivalent to
apply per outfall)
secondary
secondary
secondary
l] Secondary
❑ Secondary
❑ Secondary
❑ Advanced
❑ Advanced
❑ Advanced
❑ Other (specify)
❑ Other (specify)
❑ Other (specify)
c
0
a
Design Removal Rates by
Outfall
fA
61
BODS or CBOD5
85 %
%
%
d
E
M
acO,
TSS
85 %
%
%
Not applicable
❑ Not applicable
❑ Not applicable
Phosphorus
%
%
%
GYNot applicable
❑ Not applicable
❑ Not applicable
Nitrogen
/0 D
D /0
/D
%
Other (specify)
E 'Not applicable
❑ Not applicable
❑ Not applicable
Page 7

7DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
. -[-- - NPDES Permit Number Facility Name Modified Application Form 2A
NCO056278 1 River Mill WWTP Modified March 2021
3.9
Describe the type of disinfection used for the effluent from each outfall in the table below. If disinfection varies by
season, describe below.
,3
Chlorine tablets placed in contact box manually
c
0
c
Outfall Number 1
Outfall Number
Outfall Number
0
n
Disinfection type
Chlorine Tabletss
m
0
Seasons used
=
All
E
2
Dechlorination used?
❑ Not applicable
❑ Not applicable
❑ Not applicable
0 Yes
❑ Yes
❑ Yes
❑ No
❑ No
❑ No
3.10
Have you completed monitoring for all Table A parameters and attached the results to the application package?
r❑ Yes ❑ No
3,11
Have you conducted any WET tests during the 4.5 years prior to the date of the application on any of the facility's
discharges or on any receiving water near the discharge points?
❑ Yes ❑r No 4 SKIP to Item 3.13.
3.12
Indicate the number of acute and chronic WET tests conducted since the last permit reissuance of the facility's
discharges by outfall number or of the receiving water near the discharge points.
Outfall Number
Outfall Number
Outfall Number
Acute
Chronic
Acute
Chronic
Acute
Chronic
Number of tests of discharge
a�
water
Number of tests of receiving
water
LU
w
3.14
Does the POTW use chlorine for disinfection, use chlorine elsewhere in the treatment process, or otherwise have
reasonable potential to discharge chlorine in its effluent?
❑✓ Yes -* Complete Table B, including chlorine. ❑ No 4 Complete Table B, omitting chlorine.
3.15
Have you completed monitoring for all applicable Table B pollutants and attached the results to this application
package?
❑r Yes ❑ No
Have you completed monitoring for all applicable Table D pollutants required by your NPDES permitting authority and
3.18
attached the results to this application package?
❑ Yes ❑� No additional sampling required by NPDES
permitting authority.
Page 8

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
NPDES Permit Number
Facility Name
Modified Application Form 2A
NCO056278
River Mill VJWTP
Modified March 2021
3.19
Has the POTW conducted either (1) minimum of four quarterly WET tests for one year preceding this permit application
or (2) at least four annual WET tests in the past 4.5 years?
❑ Yes 0 No + Complete tests and Table E and SKIP to
Item 3.26.
3.20
Have you previously submitted the results of the above tests to your NPDES permitting authority?
❑ Yes 0 No 4 Provide results in Table E and SKIP to
Item 3.26.
3.21
Indicate the dates the data were submitted to your NPDES permitting authority and provide a summary of the results.
Date(s) Submitted
Summary of Results
MMIDD
-o
as
c
c
0
w3.22
Regardless of how you provided your WET testing data to the NPDES permitting authority, did any of the tests result in
o
toxicity?
c
❑ Yes ❑ No 4 SKIP to Item 3.26.
3.23
Describe the cause(s) of the toxicity:
c
d
w
3.24
Has the treatment works conducted a toxicity reduction evaluation?
❑ Yes ❑ No SKIP to Item 3.26.
3.25
Provide details of any toxicity reduction evaluations conducted.
3.26
Have you completed Table E for all applicable outfalls and attached the results to the application package?
❑ Yes 0 Not applicable because previously submitted
information to the NPDES permitting authority.
Page 9

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
NPDES Permit Number Facility Name Modified Application Form 2A
NC0056278 River Mill WWTP Modified March 2021
SECTION. CHECKLIST
AND CERTIFICATION STATEMENT (40
In Column 1 below, mark the sections of Form 2A that you have completed and are submitting with your application. For
6.1
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 provide attachments.
Column 1
Column 2
EY Section 1. Basic Application
❑ wl variance request(s) El w/ additional attachments
Information for All A licants
Section 2: Additional
❑ wl topographic map ❑ w/ process flaw diagram
Information
❑ w/ additional attachments
w/ Table A ❑ w/ Table D
Section 3: Information on
w/ Table B ❑ wl additional attachments
Effluent Discharges
E
❑ w/ Table C
!
2
in
Section 4: Not Applicable
e
0
Section 5: Not Applicable
r
c�
=
cc
Section 6: Checklist and
Certification Statement
❑ wl attachments
in
Y
6.2
Certification Statement
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. 1 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)
Marie Guziejka
Official title
River Mill HOA President
Signature _ / .
`tom,
(l
Date signed
1 /30/23

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
NPOES Permit Number
Facility Name
Outfall Number
F I
NCO056278
River Mill WWTP
001
Modified Application Farm 2A
Modified March 2021
Maximum Daily Discharge
Average Daily Discharge
Analytical
ML or MDL
Value
Units
Number
Pollutant
Value Units
Methods
(include units)
Sampless
Biochemical oxygen demand
❑ ML
L-1 BOD5 or ❑ CBOD5
7.1
MG/L
2.5
MG/L
4
❑ MDL
(report one
Fecal coliform
1
4/100ML
1
4/100ML
4
El ML
❑ MDL
Design flow rate
0.009
MGD
0.005
MGD
30
-
pH (minimum)
6.7
pH (maximum)
6.8
Temperature (winter)
12
F
15
F
4
Temperature (summer)
26
F
24
F
40
Total suspended solids (TSS)
15
MG/L
9
MG/L
4
ML
❑ MDL
t 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).
Page 11

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
EPA Identification Number I NPDES Permit Number Facility Name
NCO056278 River Mill WWTP
Out all Number
Modified Application Form 2A
Modified March 2021
Maximum Daily Discharge
Average Daily Discharge
Analytical
ML or MDL
Value
Units
Number
Pollutant
Value Units
Method'
(include units)
Samples
Ammonia (as N)
0.2
MG/L
0.2
MG/L
2
El ML
❑ MDL
Chlorine
❑ ML
total residual, TRC 2
19
UG/L
15
UG/L
9
❑ MDL
Dissolved oxygen
N/A
❑ ML
❑ MDL
Nitrate/nitrite
21.6
MG/L
21.6
MG/L
1
[--1 ML
❑ MDL
Kjeldahl nitrogen
1.10
MG/L
1.10
MG/L
1
ED ML
❑ MDL
Oil and grease
N/A
El ML
❑ MDL
Phosphorus
2.27
MG/L
2.27
MG/L
1
D ML
❑ MDL
Total dissolved solids
N/A
❑ ML
❑ MDL
1 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).
2 Facilities that do not use chlorine for disinfection, do not use chlorine elsewhere in the treatment process, and have no reasonable potential to discharge chlorine in their effluent are not
required to report data for chlorine.
EPA Form 3510-2A (Revised 3-19) Page 12

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
EPA Identification Number NPDES Permit Number Facility Name Outfall Number
Modified Application Form 2A
Modified March2021
NCO056278 River Mill WWTP
Maximum Daily Discharge Average Daily Discharge
Analytical ML or MDL
Pollutant Number of
Method' (include units)
Value Units Value Units
Sam les
Metals, Cyanide, and Total Phenols
Hardness (as CaCO3)
❑ MDL
El MI.
Antimony, total recoverable
❑ MDL
❑ ML
Arsenic, total recoverable
❑ MDL
UML
Beryllium, total recoverable
❑ MDL
El ML
Cadmium, total recoverable
❑ MDL
I-] ML
Chromium, total recoverable
❑ MDL
El ML
Copper, total recoverable
❑ MDL
❑ ML
Lead, total recoverable
❑ MDL
El MIL
Mercury, total recoverable
❑ MDL
El ML
Nickel, total recoverable
❑ MDL
El MI
Selenium, total recoverable
❑ MDL
❑ ML
Silver, total recoverable
❑ MDL
❑ ML
Thallium, total recoverable
❑ MDL
❑ ML
Zinc, total recoverable
❑ MDL
El ML
Cyanide
❑ MDL
Total phenolic compounds
❑ MDL
Volatile Organic Compounds
❑ ML
Acrolein
❑ MDL
Acrylonitrile
El ML
❑ MDL
Benzene
El ML
❑ MDL
Bromoform
o ML
❑ MDL
EPA Form 3510-2A (Revised 3-19) Page 13

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
EPA Identification Number NPDES Permit Number FacilityName Outtall Number
Modified Application Form 2A
Modified March 2021
NCOO56278 River Mill WWTP
Maximum Daily Discharge Average Daily Discharge
Analytical ML or MDL
Pollutant Number of
Method' (include units)
Value Units Value Units
Sample
Carbon tetrachloride
❑ ML
❑ MDL
Chlorobenzene
❑ ML
❑ MDL
Chlorodibromomethane
❑ ML
❑ MDL
Chloroethane
❑ ML
❑ MDL
2-chloroethylvinyl ether
❑ MDL
Chloroform
❑ M❑ I
MDL
Dichlorobromomethane
El ML
❑ MDL
1,1-dichloroethane
❑ ML
❑ MDL
1,2-dichloroethane
El ML
❑ MDL
trans-1.2-dichloroethylene
El ML
❑ MDL
1,1-dichloroethylene
1:1 ML
❑ MDL
1,2-dichloropropane
EIML
❑ MDL
1,3-dichloropropylene
0 ML
❑ MDL
Ethylbenzene
El ML
❑ MDL
Methyl bromide
LJ ML
❑ MDL
Methyl chloride
❑ ML
❑ MDL
Methylene chloride
E ML
❑ MDL
1,1,2,2-tetrachloroethane
❑ ML
❑ MDL
Tetrachloroethylene
El ML
❑ MDL
Toluene
❑ ML
❑ MDL
1,1,1-trichloroethane
❑ ML
❑ MDL
1.1,2-trichloroethane
❑ ML
❑ MDL
EPA Form 3510-2A (Revised 3-19) Page 14

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
EPA Identification Number
NPDES Permit Number Facility Name Out all Number
Modified Application Form 2A
Modified March 2021
NC0O56278 River Mill WWTP
Maximum Daily Discharge Average Daily Discharge
Analytical ML or MDL
Pollutant
Method' (include units)
Number of
7
Value
Units
Value
Units
Samples
11 ML
Trichloroethylene
❑ MDL
❑ ML
Vinyl chloride
❑ MDL
Acid -Extractable Compounds
❑ ML
p-chloro-m-cresol
❑ MDL
❑ ML
2-chlorophenol
❑ MDL
1:1 ML
2,4-dichlorophenol
❑ MDL
0 ML
2,4-dimethylphenol
❑ MDL
❑ ML
4.6-dinitro-o-cresol
❑ MDL
❑ ML
2,4-dinitrophenol
❑MDL
❑ ML
2-nitrophenol
❑ MDL
0 ML
4-nitrophenol
❑ MDL
El ML
Pentachlorophenol
❑ MDL
❑ ML
Phenol
❑ MDL
❑ ML
2,4,6-trichlorophenol
❑ MDL
Base -Neutral Compounds
1:1 ML
Acenaphthene
❑ MDL
❑ ML
Acenaphthylene
❑ MDL
El ML
Anthracene
El MDL
❑ ML
Benzidine
❑ MDL
Benzo(a)anthracene
El ML
El MDL
El ML
Benzo(a)pyrene
El MDL
❑ ML
3.4-benzofluoranthene
❑ MDL
EPA Form 3510-2A (Revised 3-19) Page 15

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
EPA Identification Number NPDES Permit Number Facility Name Outfall Number
Modified Application Form 2A
NC0056278 River Mill WWTP
Modified March 2021
Maximum Daily Discharge Average Daily Discharge
Analytical ML or MDL
Pollutant Number of
Method' (include units)
Value Units Value Units
Samples
Benzo(ghi)perylene
El ML
❑MDL
Benzo(k)fluoranthene
11 ML
❑1:1 MDL
Bis (2-chloroethoxy) methane
ML
❑ MDL
Bis (2-chloroethyl) ether
El ML
❑ MDL
BEl
is (2-chloroisopropyl) ether
ML
❑ MDL
Bis (2-ethylhexyl) phthalate
0 ML
❑ MDL
4-bromophenyl phenyl ether
❑ MDL
Butyl benzyl phthalate
0 ML
❑ MDL
2-chloronaphthalene
El ML
❑ MDL
4-chlorophenyl phenyl ether
El ML
❑ MDL
Chrysene
E ML
❑ MDL
di-n-butyl phthalate
El MIL
❑ MDL
di-n-octyl phthalate
El ML
❑ MDL
Dibenzo(a,h)anthracene
El ML
❑ MDL
1.2-dichlorobe nzene
El ML
❑ MDL
1.3-dichlorobenzene
❑ ML
❑ MDL
1.4-dichlorobenzene
El ML
❑ MDL
3,3-dichlorobenzidine
❑ MI
❑ MDL
Diethyl phthalate
E ML
❑ MDL
Dimethyl phthalate
0 ML
❑ MDL
2,4-dinitrotoluene
❑ ML
❑ MDL
2.6-dinitrotoluene
❑ ML
❑ MDL
EPA Form 3510-2A (Revised 3-19) Page 16

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
EPA Identification Number NPDES Permit Number Facility Name Outfall Number
Modified Application Form 2A
Modified March2021
NCO056278 River Mill WWTP
Maximum Daily Discharge Average Daily Discharge
Analytical ML or MDL
Pollutant Number of
Method' (include units)
Value Units Value Units
Samples
E ML
1.2-diphenylhydrazine
❑ MDL
El ML
Fluoranthene
❑ MDL
El ML
Fluorene
❑ MDL
❑ ML
Hexachlorobenzene
❑ MDL
El ML
Hexachlorobutadiene
❑ MDL
L ML
Hexachlorocyclo-pentadiene
❑ MDL
El ML
Hexachloroethane
❑ MDL
El ML
Indeno(1,2,3-cd)pyrene
❑ MDL
El ML
Isophorone
❑ MDL
El ML
Naphthalene
❑ MDL
Nitrobenzene
El ML
❑ MDL
El ML
N-nitrosodi-n-propylamine
❑ MDL
El ML
N-nitrosodimethylamine
❑ MDL
CIVIL
N-nitrosodiphenylamine
❑ MDL
❑ ML
Phenanthrene
❑ MDL
❑ ML
Pyrene
❑ MDL
❑ ML
1,2,4-trichlorobenzene
❑ MDL
1 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 3510-2A (Revised 3-19) Page 17

DocuSign Envelope ID: 32CFADBA-0546-41AE-B5E6-4F625D5297F3
NPDES Permit Number Facility Name Outfall Number
Modified Application Form 2A
Modified March 2021
NC0056278 River Mill WWTP
Maximum Daily Discharge Average Daily Discharge
Pollutant
Analytical ML or MDL
Number of
(list) Value Units Value Units
Method' (include units)
Samples
❑ No additional sampling is required by NPDES permitting authority.
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
1 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).
Page 18