NC0058505_fact sheet_20230703

DocuSign Envelope ID: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
FACT SHEET
EXPEDITED - PERMIT RENEWAL
NCO058505
Basic Information for Expedited Permit Renewals
Permit Writer/Date
Charles Weaver - 7/3/2023
Permit Number - Class
NCO058505 — Class WW-2
Owner
Aqua North Carolina, Inc.
Facility Name
Mallards Crossing WWTP
Type of Waste
100 % domestic
Basin Name/Sub-basin number
Neuse River Basin / 03-04-02
Receiving Stream
Hod es Mill Creek [segment 24-26-1- 2
Stream Classification in Permit
C-NSW
Does permit need Daily Max NH3 limits?
Ammonia limits are already at BAT (2 mg/L summer, 4 mg/L
winter
Does permit need TRC limits/language?
TRC limit & monitoring requirements in place if UV system
fails.
Does permit have toxicity testing?
No
Does permit have Special Conditions?
Neuse River special conditions, radiological reopener, temporary
disinfection requirement
Does permit have instream monitoring?
DO & temperature
Is the stream impaired on 303 d list)?
No
Any obvious compliance concerns?
Four enforcements during the last permit cycle and five NOVs.
Any permit modifications since last
permit?
No
New expiration date
March 31, 2028
Changes to current permit?
Updated eDMR language
Added Neuse Modeling reo ener
Changes to final permit?
None

DocuSign Envelope ID: 75539OD6-81 D5-4736-BAOF-3831 E9E4C248
AFFIDAVIT OF PUBLICATION
Account #
Order Number
Identification
Order PO
Amount
Cols
Depth
19489
422568 i_
Print Legal Ad-IPL01233210 - IPLO123321
$459.40
1
47 L
Attention: Wren Thedford STATE OF NORTH CAROLINA
DEPARTMENT OF WATER RESOURCES - RALEIGH COUNTY OF WAKE, COUNTY OF DURHAM
1617 MAIL SERVICE CENTER Before the undersigned, a Notary Public of Dallas
RALEIGH, NC 276991617 County, Texas, duly commissioned and authorized to
administer oaths, affirmations, etc., personally
[e-mail]
appeared Tara Pennington, who being duly sworn or
affirmed, according to law, cloth depose and say that he
Public Notice
or she is Accounts Receivable Specialist of the News &
Public Notice
Observer Publishing Company, a corporation organized
North Carolina Environmental Man-
and doingbusiness under the Laws of the State of North
agement Commission/NPDES Unit
1617 Mail Service Center
Carolina, and publishing a newspaper known as The
Raleigh, NC 27699-1617
Notice of Intent to Issue a NPDES
News & Observer, Wake and State aforesaid, the said
Wastewater Permit NCO058505 Mal-
newspaper in which such notice, paper, document, or
lards Crossing, and NCO064564 Neu- ;
g le al advertisement was published was, at the time of
se Colony WWTP
The North Carolina Environmental
each and every such publication, a newspaper meeting
Management Commission proposes
all of the requirements and qualifications of Section I
q l
to issue a NPDES wastewater dis-
charge permit to the person(s) listed
597 of the General Statutes of North Carolina and was a
below. Written comments regarding
qualified newspaper within the meaning of Section 1 597
qg
the proposed permit will be accepted
until 30 days after the publish date of
of the General Statutes of North Carolina, and that as
this notice. The Director of the NC Di-
such he or she makes this affidavit; and is familiar with
vision of Water Resources (DWR) may
hold a public hearing should there be
the books, files and business of said corporation and by
a significant degree of public interest. ;
reference to the files of said publication the attached
Please mail comments and/or infor-
mation requests to DWR at the above
advertisement for DEPARTMENT OF WATER RESOURCES -
address. Interested persons may visit
RALEIGH was inserted in the aforesaid newspaper on
the DWR at 512 N. Salisbury Street,
Raleigh, NC 27604 to review the infor-
dates as follows:
mation on file. Additional information
on NPDES permits and this notice may
1 insertion(s) on:
be found on our website: https://deq.
published
nc.gov/public-notices-hearings,or by
05/18/23
calling [phone]. Aqua North
Carolina, Inc. applied to renew NPDES
permit NC0058505/Mallards Crossing
WWTP/Wake County. Facility dis-
charges to Hodges Mill Creek/Neuse
River Basin. Currently 11 parameters
are water -quality limited. Aqua North
Carolina, Inc. requested renewal of
NPDES permit NCO064564/Neuse
F
Colony WWTP/Johnston County. Fa-
r
cility discharges to the Neuse River/}��
Neuse River Basin. Currently, BOD5,
Lr
ammonia nitrogen, total nitrogen, total
phosphorus, dissolved oxygen, and
I certify or declare) under penalty of perjury that the
fecal coliform are water quality limited.
IPLO123321
foregoing is true and correct.
May 18 2023
Notary Public in and for the state of Texas, residing in
Dallas County
'� A' "'• STEPHANIE WATCHER
x: •- My Notary 10 # 1335YAX*
E)Orss 4anuary 14, 2026
Extra charge for lost or duplicate affidavits.
Legal document please do not destroy!

DocuSign Envelope ID: 75539OD6-81 D5-4736-BAOF-3831 E9E4C248
Weaver, Charles
From: Hayes, Mitch
Sent: Monday, April 24, 2023 2:46 PM
To: Weaver, Charles
Subject: RE: DRAFT permit renewal for NCO058505
This one looks good Charles. Found no mistakes.
Mitch Hayes
Environmental Specialist 1
3800 Barrett Drive
Mail Service Center 1628
Raleigh, NC 27609-1628
919.791.4261
Raleigh Regional Office
Regional Operations Section
NCDEQ — Division of Water Resources
D- E
�
NORTH CAROLINA7d� Q
kJ-/-)
Department of Environmental Quality
Email correspondence to and from this address is subject to the North
Carolina Public Records Law and may be disclosed to third parties.
From: Weaver, Charles <[e-mail]>
Sent: Monday, April 24, 2023 9:28 AM
To: 'Berger, Amanda A' <[e-mail]>; Kinney, Maureen <[e-mail]>
Cc: Zhang, Cheng <[e-mail]>; Hayes, Mitch <[e-mail]>
Subject: DRAFT permit renewal for NCO058505
This one will go to Notice next month. Send me any comments as time permits.
Charles H. Weaver
Environmental Specialist II
Division of Water Resources
919-707-3616
charles.weaver(@ncdenr.gov
(mailing address) 1617 Mail Service Center, Raleigh, NC 27699-1617

DocuSign Envelope ID: 755390D6-8l D5-4736-BAOF-383l E9E4C248
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
Aqua North Carolina, Inc.
Attn: Amanda Berger
202 MacKenan Court
Cary, NC 27511
Subject: Permit Renewal
Application No. NCO058505
Mallard Crossing WWTP
Wake County
Dear Applicant:
NORTH CAROLINA
Environmental Quality
October 03, 2022
The Water Quality Permitting Section acknowledges the September 28, 2022, 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.
Sincerely
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
ec: RRO
ec: WQPS Laserfiche File w/application
t�D North Carolina Department of Environmental Quality I Division of Water Resources
Raleigh Regional Office 1 3800 Barrett Drive I Raleigh. North Carolina 27609
919.791.4200

DocuSign Envelope ID: 75539OD6-81 D5-4736-BAOF-3831 E9E4C248
AOUA,.
September 28, 2022
NC Department of Environmental Quality
Division of Water Resources
NPDES Unit
1617 Mail Service Center
Raleigh, NC 27699-1617
Subject: Application for Permit Renewal
Aqua North Carolina, Inc.
Mallards Crossing Wastewater Treatment Plant
NPDES No. NC0058505
Wake County
To Whom It May Concern:
Attached are the completed application Modification Application Form 2A ,
process flow diagram, and topographic map. This letter and attachments are
Aqua North Carolina's request to renew the subject permit.
If you need any additional information or assistance, please feel free to contact
me at [e-mail].
Sincerely,
Amanda Berger
Director, Environmental Compliance

DocuSign Envelope ID: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
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: 75539OD6-81 D5-4736-BAOF-3831 E9E4C248
NPDES Permit Number
Facility Name
Modified Application Form 2A
NCO058505
Mallards Crossing 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 application.)
SECTION•N
INFORMATION FOR
Facility name
1.1
Mallards Crossing WWTP
Mailing address (street or P.O. box)
202 Mackenan Court
City or town
State
ZIP code
o
w
Cary
NC
27511
EContact
name (first and last)
Title
Phone number
Email address
c:
Amanda Berger
Director of Environmental Co
[phone]
[e-mail]
Location address (street, route number, or other specific identifier) ❑ Same as mailing address
cc
v:
NCSR 2217
City or town
State
ZIP code
Raleigh
NC
27616
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
Aqua North Carolina
Applicant address (street or P.O. box)
w
202 Mackenan Court
E
City or town
State
ZIP code
o
Cary
NC
27511
Contact name (first and last)
Title
Phone number
Email address
c
Amanda Berger
Director of Environmental Cor
[phone]
[e-mail]
:a
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 0 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
number for each.
E
m
Existing Environmental Permits
CL
NPDES (discharges to surface
RCRA hazardous waste
UIC (underground injection
water)
control)
E ,'
NCO058505
❑ PSD (air emissions)
❑ Nonattainment program (CAA)
❑ NESHAPs (CAA)
c,
N
❑ Ocean dumping (MPRSA)
❑ Dredge or fill (CWA Section
❑ Other (specify)
w
404)
Page 1

DocuSign Envelope ID: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
ES Permit Number Facility Name Modified Application Form 2A
NCO058505 Mallards Crossing 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)
Raleigh
708
100 % separate sanitary sewer
❑ Own ❑ Maintain
a
% combined storm and sanitary sewer
❑ Own ❑ Maintain
❑ Unknown
❑ Own ❑ Maintain
Cn
% separate sanitary sewer
❑ Own ❑ Maintain
% combined storm and sanitary sewer
❑ Own ❑ Maintain
❑ Unknown
❑ Own ❑ Maintain
a%
separate sanitary sewer
❑ Own ❑ Maintain
a
% combined storm and sanitary sewer
❑ Own ❑ Maintain
❑ Unknown
❑ Own ❑ Maintain
2
% separate sanitary sewer ❑ Own ❑ Maintain
Cn
>,
% combined storm and sanitary sewer ❑ Own ❑ Maintain
a
❑ Unknown ❑ Own ❑ Maintain
Total
708
Population
0
Served
Separate Sanitary Sewer System Combined Storm and
Sanitary Sewer
Total percentage of each type of
100 % °
�0
sewer line in miles
_
1.8
Is the treatment works located in Indian Country?
o
❑ Yes ❑ No
1.9
Does the facility discharge to a receiving water that flows through Indian Country?
El No
1.10
Provide design and actual flow rates in the designated spaces.
Design Flow Rate
.100 mgd
Annual Average Flow Rates Actual
tn
a m
Two Years Ago
Last Year
This Year
Cz o
.040 mgd
.040 mgd
035 mgd
in
Maximum Daily Flow Rates_(Actual
Two Years Ago
Last Year
This Year
.102 mgd
.091 mgd
.102 mgd
1.11
Provide the total number of effluent discharge points to waters of the State of North Carolina by type.
Total Number of Effluent Discharge Points by Type
CL
aCombined
Sewer
Constructed
a
Treated Effluent
Untreated Effluent
Overflows
Bypasses
Emergency
Overflows
0
1
Page 2

DocuSign Envelope ID: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
NPDES Permit Number
Facility Name
Modified Application Form 2A
NCO058505
Mallards Crossing 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 ❑✓ 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 Im oundment Location and Dischar a Data
Average Daily Volume
Continuous or Intermittent
Location
Discharged to Surface
(check one)
Impoundment
❑ Continuous
gpd
❑ Intermittent
❑ Continuous
gpd
❑ Intermittent
❑ Continuous
gpd
h
❑ Intermittent
0
.E
1.14
Is wastewater applied to land?
2
❑ Yes ❑ No 4 SKIP to Item 1.16.
y
1.15
Provide the land application site and discharge data requested below.
yLand
Application Site and Discharge Data
o
Average Daily Volume
Continuous or
Location
Size
Applied
Intermittent
check one
acres
d
gpd
❑ Continuous
N
0
❑ Intermittent
El Continuous
acres
d
gpd
❑ 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.
Trans otter 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: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
NPDES Permit Number
Facility Name
Modified Application Form 2A
NC0058505
Mallards Crossing 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)
CD
15
City or town
State
ZIP code
U
Contact name (first and last)
Title
0
Phone number
Email address
n
aNPDES
number of receiving facility (if any) ❑ None
Average daily flow rate mgd
M
1.21
Is the wastewater disposed of in a manner other than those already mentioned in Items 1.14 through 1.21 that do
not have outlets to waters of the State of North Carolina (e.g., underground percolation, underground injection)?
ca
❑ Yes ❑ No -* SKIP to Item 1.23.
U
0
1.22
Provide information in the table below on these other disposal methods.
Information on Other Disposal Methods
o
Disposal
p
Location of
Size of
Annual Average
1
Continuous or Intermittent
Method
Disposal Site
Disposal Site
; Daily Discharge
(check one)
R
Description
Volume
M
acres
d
❑ Continuous
15
gp
❑ Intermittent
❑ Continuous
acres
gpd
❑ Intermittent
❑ Continuous
acres
gp d
❑ 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.)
into marine waters (CWA ❑ Water quality related effluent limitation (CWA Section
El
Cr
Section
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 0 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
0
Contractor name
(company name
E
Mailing address
street or P.O. box
o
City, state, and ZIP
code
—_
Contact name (first and
_- -- --
U
last)-
-
Phone number
Email address
Operational and
maintenance
responsibilities of
contractor
Page 4

DocuSign Envelope ID: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
NPDES Permit Number Facility Name Modified Application Form 2A
7- NCO058505 Mallards Crossing WWTP Modified March 2021
SECTION 2. ADDITIONAL INFORMATION (40 CFR 122.210)(1) and (2))
Outfalls to Waters of the State of North Carolina
o
2.1
Does the treatment works have a design flow greater than or equal to 0.1 mgd?
T
d
❑✓ Yes ❑ No -+ SKIP to Section 3.
0
0
2.2
Provide the treatment works' current average daily volume of inflow
Average Daily Volume of Inflow and Infiltration
and infiltration.
N/A gpd
Indicate the steps the facility is taking to minimize inflow and infiltration.
3
0
c
2.3
Have attached a topographic map to this application that contains all the required information? (See instructions for
s
M
you
specific requirements.)
rz
�j,M
o
Q
0
❑r Yes ❑ No
E
3 2
2.4
Have you attached a process flow diagram or schematic to this application that contains all the required information?
(See instructions for specific requirements.)
o
o
❑r Yes ❑ No
2.5
Are improvements to the facility scheduled?
❑✓ Yes ❑ No 4 SKIP to Section 3.
0
Briefly list and describe the scheduled improvements.
1 Metal Restoration
c
m
E
o
a
E
2. Blower Replacements
o
U)
3. Fall Protection
m
s
4.
U
U)
CU
2.6
Provide scheduled or actual dates of completion for improvements.
Scheduled
or Actual Dates of Completion for Im rovements
E
E
Affected !
Begin
End
Begin
Attainment of
>
Scheduled
Outfalls
Operational
o
Improvement
Construction
Construction
Discharge
Q,
E
(from above)
(list outfall
number
(MMiDD1YYYY)
(MM/DD/YYYY)
(MM/DD(YYYY)
Level
MMlDD/YYYY
001
1
09/01/2022
2.
01/01/2023
N
001
3.
001
01/01/2024
4.
2.7
Have appropriate permits/clearances concerning other federal/state requirements been obtained? Briefly explain your
response.
❑r Yes ❑ No ❑ None required or applicable
Explanation:
Where applicable

DocuSign Envelope ID: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
NPDES Permit Number Facility Name Modified Application Form 2A
Ll NCO058505 Mallards Crossing WWTP Modified March 2021
SECTION•'
• ON I
Provide the following information for each outfall. (Attach additional sheets if you have more than three outfalls.)
3.1
Outfall Number 001
Outfall Number
Outfall Number
State
North Carolina
y
County
Wake
City or town
Raleigh
0
.Q
Distance from shore
2 ft.
Depth below surface
1 ft•
ft.
ft.
0
Average daily flow rate
.0435 mgd
mgd
mgd
Latitude
35° 50' 58" N
Longitude
78' 29' 45" W
"
3.2
Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
o
❑ Yes ❑ No 4 SKIP to Item 3.4.
3.3
If so, provide the following information for each applicable outfall.
t
Outfall Number
Outfall Number
Outfall Number
0
Number of times per year
discharge occurs
a
Average duration of each
`o
discharge (specify units
o
Average flow of each
mgd
mgd
mgd
discharge
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 t pe at each applicable outfall.
Outfall Number
Outfall Number
Outfall Number
fn
0
�i
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?
w
❑✓ Yes ❑ No 4SKIP to Section 6.
Page 6

DocuSign Envelope ID: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
-7
NPDES Permit Number
Facility Name
Modified Application Form 2A
NC0058505
Mallards Crossing WWTP
Modified March 2021
3.7
Provide the receiving water and related information if known for each outfall.
Outfall Number 001
Outfall Number
Outfall Number
Receiving water name
Hodges Mill Creek
Name of watershed, river,
=
or stream system
Neuse River
0
U.S. Soil Conservation
Service 14-digit watershed
o
code
cc
Name of state
management/river basin
Neuse River 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
CaCO3
CaCO3
3.8
Provide the following information
describing the treatment pr vided for discharges from each outfall.
Outfall Number 001
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
0 Advanced
secondary
❑ Secondary
❑ Advanced
secondary
❑ Secondary
❑ Advanced
❑ Other (specify)
❑ Other (specify)
❑ Other (specify)
QDesign
Removal Rates by
Outfall
in
BOD5 or CBOD5
85 %
%
%
E
TSS
85 %
%
%
Phosphorus
❑ Not applicable
Chemical Tre %
❑ Not applicable
%
❑ Not applicable
%
Nitrogen
❑ Not applicable
-80 %
❑ Not applicable
%
❑ Not applicable
%
Other (specify)
❑ Not applicable
0 Not applicable
❑ Not applicable

DocuSign Envelope ID: 75539OD6-81 D5-4736-BAOF-3831 E9E4C248
NPDES Permit Number
Facility Name
Modified Application Form 2A
NCO058505
Mallards Crossing 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.
uv
d
0
r-
0
Outfall Number 001
Outfall Number
Outfall Number
Q-
Disinfection type
uv
v
a�
0
Seasons used
d
E
d
Dechlorination used?
Not applicable
❑ Not applicable
❑ Not applicable
~
❑ Yes
❑ No
❑ Yes
❑ No
❑ Yes
❑ No
3.10
Have you completed monitoring for all Table A parameters and attached the results to the application package?
0 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 ❑✓ 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.
cc
Outfall Number
Outfall Number
Outfall Number
Acute
Chronic
Acute
Chronic
Acute
Chronic
Number of tests of discharge
a�
_
water
4)
Number of tests of receiving
water
d
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. 0 No + 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?
0 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 0 No additional sampling required by NPDES
permitting authority.

DocuSign Envelope ID: 75539OD6-81 D5-4736-BAOF-3831 E9E4C248
NPDES Permit Number
Facility Name
Modified Application Form 2A
NCO058SOS
Mallards Crossing WWTP
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 ❑ 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 ❑ No + Provide results in Table E and SKIP to
Item 3.26.
3.21
Indicate the dates the data were submitted to our NPDES permitting authority and provide a summary of the results.
Date(s) Submitted
Summary of Results
MM/DDNYYY
0
c
0
3.22
Regardless of how you provided your WET testing data to the NPDES permitting authority, did any of the tests result in
o
toxicity?
❑ Yes ❑ No SKIP to Item 3.26.
3.23
Describe the cause(s) of the toxicity:
c
d
Uj
w
3.24
Has the treatment works conducted a toxicity reduction evaluation?
❑ Yes ❑ No 4 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 ❑ Not applicable because previously submitted
information to the NPDES permitting authority.
Page 9

DocuSign Envelope ID: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
NPDES Permit Number
Facility Name Modified Application Form 2A
NC0058505
F-
Mallards Crossing WWTP Modified March 2021
SECTION•
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
❑ Section 1: Basic Application
❑ w/ variance request(s) ❑ w/ additional attachments
Information for All Applicants
Section 2: Additional
El wl topographic map 0 w/ process flow diagram
Information
❑ wl additional attachments
Q w/ Table A 0 wl Table D
❑ Section 3: Information on
✓❑ w/ Table B ❑ w/ additional attachments
Effluent Discharges
E
❑ w/ Table C
m
is
in
Section 4: Not Applicable
c
0
.4
Section 5: Not Applicable
d
U
6: Checklist and
El
❑ w/ attachments
w/
Certification Statement
;
Y
6.2
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. 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)
Official title
Amanda Berger
Director, Environmental Compliance
Signature
Date signed
09/28/2022
Page 10

DocuSign Envelope ID: 75539OD6-81 D5-4736-BAOF-3831 E9E4C248
NPDES Permit Number
Facility Name
Outfall Number
NCO058505
Mallards Crossing WWTP
Modified Application Form 2A
Modified March 2021
Maximum Daily Discharge
Average Daily Discharge
Analytical ML or MDL
Value
Units
Number of
Pollutant
Value ' Units
Methods (include units)
Samples
Biochemical oxygen demand
❑ BOD5 or ❑ CBOD5
21
mg/L
3.16
mg/L
241
SM 521OB-2001 ❑ MI IL
❑ MDL
(report one
Fecal coliform
2420
#100ml
15.58
#100ml
227
Colilert 18 ❑ ML
❑ MDL
Design flow rate
0.136
MGD
.044
MGD
1642
pH (minimum)
6.43
SU
pH (maximum)
8.5
SU
Temperature (winter)
26.3
C
14.62
C
875
Temperature (summer)
29.6
C
22.70
C
810
Total suspended solids (TSS)
39
MG/I
6.22
MG/I
244
SM 2540D-1997
OML
❑ MIDI
xding to sufficiently sensitive test procedures (i.e., methods) approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or
ubchapter N or 0. See instructions and 40 CFR 122.21(e)(3).
Page 11

DocuSign Envelope ID: 75539OD6-81 D5-4736-BAOF-3831 E9E4C248
EPA Identification Number NPDES Permit Number I Facility Name I Outfall Number
NCO058505 Mallards Crossing WWTP
Modified Application Form 2A
Modified March 2021
•' '• • •
• •' 1 I
Maximum Daily Discharge
Average Daily Discharge
Analytical
ML or MDL
Value
Units
Value
Units
Number
Pollutant
Method'
(include units)
Samples
AmmonOML
ia (as N)
13
MG/1
.323
MG/I
247
EPA 350.1
❑ MDL
Chlorine
FIELD
❑ ML
(total residual, TRC 2
❑ MDL
issolved oxygen
20.1
mg/L
9.05
mg/L
761
FIELD
OML
❑ MDL
itrate/nitrite
69
mg/L
41.7
mg/L
113
EPA 353.2
❑ ML
❑ MDL
jeldahl nitrogen
11
mg/L
1.35
mg/L
114
EPA 351.2
❑ML
❑MDL
il and grease
OML
❑ MDL
Phosphorus
p
6.6
mg/L
1.03
mg/L
117
EPA 365.4
❑ ML
❑MDL
Total dissolved solids
mg/L
mg/L
SM 2540 D-1997
❑ 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: 75539OD6-81 D5-4736-BAOF-3831 E9E4C248
EPA Identification Number NPDES Permit Number Facility Name Outfall Number
Modified Application Form 2A
NCO058505 Mallards Crossing WWTP
Modified March 2021
Maximum Daily Discharge Average Daily Discharge
Pollutant
Analytical ML or MDL
Value Units Value Units Number of
Samples
Method' (include units)
Metals, Cyanide, and Total Phenols
Hardness CaCO3)
❑ ML
(as
❑ MDL
❑ ML
Antimony, total recoverable
❑ MDL
Arsenic, total
❑ ML
recoverable
❑ MDL
Beryllium,
❑ MIL
total recoverable
❑ MDL
❑ ML
Cadmium, total recoverable
❑ MDL
Chromium,
❑ ML
total recoverable
❑ MDL
Copper,
❑ ML
total recoverable
❑ MDL
Lead, total
❑ ML
recoverable
❑ MDL
Mercury, total
❑ ML
recoverable
❑ MDL
Nickel, total
❑ ML
recoverable
❑ MDL
Selenium, total
❑ ML
recoverable
❑ MDL
Silver, total
❑ ML
recoverable
❑ MDL
Thallium, total
❑ ML
recoverable
❑ MDL
Zinc, total
❑ ML
recoverable
❑ MDL
Cyanide
❑ ML
❑ MDL
Total
❑ ML
phenolic compounds
❑ MDL
Volatile Organic Compounds
Acrolein
❑ ML
❑ MDL
Acrylonitrile
❑ ML
❑ MDL
Benzene
❑ ML
❑ MDL
Bromoform
❑ ML
❑ MDL
Page 13

DocuSign Envelope ID: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
EPA Identification Number NPDES Permit Number Facility Name Outfall Number
Modified Application Form 2A
NC0058505 Mallards Crossing WWTP
Modified March 2021
•• •I
Maximum Daily Discharge Average Daily Discharge
Analytical ML or MDL
Pollutant Number of
Method' (include units)
Value Units Value Units
Samples
Carbon tetrachloride
❑ ML
❑ MDL
Chlorobenzene
❑ ML
❑MDL
Chlorodibromomethane
❑ ML
❑ MDL
Chloroethane
❑ ML
❑ MDL
2-chloroethylvinyl ether
0 MIL
❑ MDL
Chloroform
❑ ML
❑ MDL
Dichlorobromomethane
❑ ML
❑ MDL
1,1-dichloroethane
❑ ML
❑ MDL
1,2-dichloroethane
❑ ML
❑ MDL
trans-1,2-dichloroethylene
0 MIL
❑ MDL
1,1-dichloroethylene
❑ ML
❑MDL
1,2-dichloropropane
❑ ML
❑ MDL
1,3-dichloropropylene
El ML
❑ MDL
Ethylbenzene
❑ ML
❑ MDL
Methyl bromide
❑ ML
❑ MDL
Methyl chloride
❑ ML
❑ MDL
Methylene chloride
❑ ML
❑ MDL
1,1,2,2-tetrachloroethane
❑ ML
❑ MDL
Tetrachloroethylene
❑ MIL
I
❑ MDL
Toluene
❑ ML
❑ MDL
1, 1, 1 -trichloroethane
❑ ML
❑ MDL
1,1,2-trichloroethane
_
El MI
❑ MIDI
EPA Form 3510-2A (Revised 3-19) Page 14

DocuSign Envelope ID: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
EPA Identification Number NPDES Permit Number Facility Name Outfall Number
Modified Application Form 2A
NC0058505 Mallards Crossing WWTP
Modified March 2021
Maximum Daily Discharge Average Daily Discharge
i
Analytical ML or MDL
Pol lutant Number of
Method' (include units)
Value Units Value Units
Samples
Trichloroethylene
0 ML
❑ MDL
Vinyl chloride
I
I
I
I
I
I
0 ML
❑ MDL
Acid -Extractable Compounds
p-chloro-m-cresol
0 ML
❑ MDL
2 chlorophenol
0 ML
❑ MDL
2,4-dichlorophenol
0 ML
❑ MDL
2,4-dimethylphenol
0 ML
❑ MDL
4,6-dinitro-o-cresol
❑ ML
❑ MDL
2,4-dinitrophenol
0 ML
❑ MDL
2-nitrophenol
❑ ML
❑ MDL
4-nitrophenol
❑ ML
❑ MDL
Pentachlorophenol
1:1 ML
❑ MDL
Phenol
❑ ML
❑ MDL
2,4,6-trichlorophenol
❑ ML
❑ MDL
Base -Neutral Compounds
Acenaphthene
❑ ML
❑ MDL
Acenaphthylene
❑ ML
❑ MDL
Anthracene
❑ ML
❑ MDL
Benzidine
❑ ML
❑ MDL
Benzo(a)anthracene
❑ ML
_
❑MDL
Benzo(a)pyrene
El ML
❑ MDL
3,4-benzofluoranthene
❑ ML
❑ MDL
EPA Form 3510-2A (Revised 3-19) Page 15

DocuSign Envelope ID: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
EPA Identification Number NPDES Permit Number Facility Name Outfall Number
Modified Application Form 2A
NC0058505 Mallards Crossing 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
0 ML
❑ MDL
Benzo(k)fluoranthene
0 ML
❑ MDL
Bis (2-chloroethoxy) methane
0 ML
❑ MDL
Bis (2-chloroethyl) ether
0 ML
❑ MDL
Bis (2-chloroisopropyl) ether
11 ML
❑ MDL
Bis (2-ethylhexyl) phthalate
0 ML
❑ MDL
4-bromophenyl phenyl ether
0 ML
❑ MDL
Butyl benzyl phthalate
EIML
❑ MDL
2-chloronaphthalene
0 ML
❑ MDL
4-chlorophenyl phenyl ether
0 ML
❑ MDL
Chrysene
0 ML
❑ MDL
di-n-butyl phthalate
0 ML
❑ MDL
di-n-octyl phthalate
0 ML
❑ MDL
Dibenzo(a,h)anthracene
0 ML
❑ MDL
1,2-dichlorobenzene
❑ ML
❑ MDL
1,3-dichlorobenzene
❑ ML
❑ MDL
1,4-dichlorobenzene
El ML
❑ MDL
3,3-dichlorobenzidine
❑ ML
❑ MDL
Diethyl phthalate
0 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: 755390D6-81 D5-4736-BAOF-3831 E9E4C248
EPA Identification Number NPDES Permit Number Facility Name Outfall Number
Modified Application Form 2A
NCO058505 Mallards Crossing WWTP
Modified March 2021
•• 1 '�
Maximum Daily Discharge Average Daily Discharge
Analytical ML or MDL
Pollutant Number of
Method' (include units)
Value Units Value Units Samples
El ML
1,2-diphenylhydrazine
El MDL
uoFlranthene
❑ ML
❑ MDL
❑ ML
Fluorene
El MDL
❑ ML
lorHaobenzene
ec
❑ MDL
Hexachlorobutadiene
El ML
❑ MDL
0 ML
Hexachlorocyclo-pentadiene
❑ MDL
❑ ML
Hexachloroethane
❑ MDL
Indeno(1,2,3-cd)pyrene
❑ MDL
Isophorone
❑ MDL
Naphthalene
❑ ML
❑ MDL
Nitrobenzene
❑ ML
❑ MDL
N-nitrosodi-n-propylamine
0 ML
❑ MDL
N-nitrosodimethylamine
EIML
❑ MDL
N-nitrosodiphenylamine
OML
❑ MDL
Phenanthrene
❑ ML
❑ MDL
Pyrene
❑ ML
❑ MDL
1,2,4-trichlorobenzene
❑ 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).
EPA Form 3510-2A (Revised 3-19) Page 17

DocuSign Envelope ID: 75539OD6-81 D5-4736-BAOF-3831 E9E4C248
NPDES Permit Number Facility Name Outfall Number
Modified Application Form 2A
NCO058505 Mallards Crossing WWTP
Modified March 2021
1 11 � '� � 1 '1 •'
Maximum Dail Discharge Avera a Dail Dischar e
Pollutant
Analytical ML or MDL
Number
(list) Value Units Value Units
Method' (include units)
Samples
s
❑ No additional sampling is required by NPDES permitting authority.
Radium 226 and 228
1.49
pCi/L
0.943
pCi/L
19
calculated
❑ ML
❑ MDL
Strontium 90
2.01
pCi/L
0.916
pCi/L
19
EPA 905
❑ ML
p MDL
Tritium
147
pCi/L
36.63
pCi/L
17
EPA 906
❑ ML
O MDL
Uranium
30.1
pCi/L
9.07
pCi/L
34
EPA 200.8
❑ ML
O MDL
Gross Alpha
14.4
pCi/L
5.16
pCi/L
19
EPA 900
❑ ML
O MDL
Gross Beta
40.4
pCi/L
11.03
pCi/L
19
EPA 900
❑ ML
O MDL
Adjusted Gross Alpha
10.1
pCi/L
1.06
pCi/L
12
EPA 900
❑ ML
I] MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ 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 18

DocuSign
Envelope ID: 75539OD6-81 D5-4736-BAOF-3831 E9E4C248
EFFLU
METEF
A
E
R
A
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I
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INFLUENT
PS
7
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7
EQUALIZATION
BASIN
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L� L�
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ULTRAVIOLET LIGHT DISINFECTION
I
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DISCHARGE
AQUA NORTH CAROLINA,
MALLARD'S CROSSING W WTP
NPDES NCO058505
PERMIT RENEWAL FLOW DIAGRAM
Au" UA. 2F X91 188