NC0074900_Renewal (Application)_20241007 (2)

ROY COOPER
Co nor
MARY PENNY KELLEY
smrfary
RICHARD E. ROGERS, JR.
Director
Wesley Bishop
Aqua North Carolina Inc
202 Mackenan Ct
Cary, NC 27511
Subject: Permit Renewal
Application No. NCO074900
Highway 150 WWTP
Iredell County
Dear Applicant:
NORTH CAROLINA
Environmental Quality
October 07, 2024
i_c :1Jc 11 f[;r.IF_
The Water Quality Permitting Section acknowledges the October 7, 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. 150E-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:/Iwww.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.
ec: WQPS Laserfiche File w/application
Sincerely,
Wh ''
Cynthia Demery
Administrative Assistant
Water Quality Permitting Section
NorM GroWa Departmem of Emlrorunmtal0saltty I Dlvblon of Water Resawces
Moo ,AkR 91mal Oflce 1610 Eaa Center A.,, lol l Moore k. North 11. 2616
M4,W.I"

AQUA_
Essential
October 2, 2024
Division of Water Resources
Water Quality Permitting Section — NPDES
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Re: Application for Permit Renewal
Aqua North Carolina, Inc.
Hwy 150 Riverpark WWTP
NPDES No. NC0074900
Iredell County
To Whom It May Concern:
Lasertiche
REG'EIVED
r'C` 07 1V4
NCDEQ/©WR'1vPIDES
Enclosed are three (3) copies of the completed application Form 2A and necessary
attachments for your office to renew the subject permit.
Should you need any additional information or assistance, please feel free to contact me via
phone at [phone] or by email at [e-mail].
Sincerely,
Brent Milliron
Environmental Compliance Director
Aqua North Carolina, Inc.
Enc: NPDES Application, Form 2A w/ attachments
Hwy 150 Riverpark NC0074900 NPDES Permit
Cc: Shannon Becker, President, Aqua North Carolina
Lori Lester, Environmental Compliance Specialist 1
202 MacKenan Court, Cary, NC, 27511 9 919.467.8712 9 AquaAmerica.com

Laserfiche
NPDES Permit Number
Facility Name
Modified Application Form 2A
NCO074900
Hwy 150 Riverpark W WTP
Modified March 2021
Form
NC Department of Environmental Quality - Application for NPDES Permit to Discharge Wastewater
MINOR SEWAGE FACILITIES (Before completing this form, please instruction ail
NPDES
the instructions mav result in denial of the ap lication.
SECTION•N
INFORMATION FOR .
Facility name
1.1
Hwy 150 Riverpark WWiP ' "'
Mailing address (street or P.O. box)
130 Quiet Cove Road
City or town
State
Mooresville
NC
28117
_o
rO
Contact name (first and last)
Title
Phone number
Email address
Brent Milliron
Envir. Compliance Director
[phone]
[e-mail]
c
'u
Location address (street, route number, or other specific identifier) ❑ Same as mailing address
m
LL
City or town
State
ZIP code
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)
202 MacKenan Court
S
City or town
State
ZIP code
0
Cary
NC
27511
Contact name (first and last)
Title
Phone number
Email address
'a
n
Brent Milliron
Envir. Compliance Director
[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
number for each.
€
Existing Environmental Permits
✓❑ NPDES (discharges to surface
❑ RCRA (hazardous waste)
❑ UIC (underground injection
mwater)
control)
E
NCO074900
c
Q
❑ PSD (air emissions)
❑ Nonatiainment program (CAA)
❑ NESHAPs (CAA)
S
c
W
or
—�`
❑ Ocean dumping (MPRSA)
❑ Dredge or fill (CWA Section
❑ Other (specify)
404)
Page 1

NPDES Pemia Number
Facility Name
Modified Application Form 2A
NCO074900
Hwy 150 Riverpark 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 percenta e
Mooresville, NC
35 Commercial
100 %separate sanitary sewer
O Own ❑ Maintain
and Residential
_ %combined storm 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
❑ Own ❑ Maintain
o
% combined storm and sanitary sewer
❑ Own ❑ Maintain
A
❑ Unknown
❑faun ❑ Maintain
m
%separate sanitary sewer
❑ Own ❑ Maintain
%combined storm and sanitary sewer
❑Own ❑ Maintain
rn
❑ Unknown
❑ Own ❑ Maintain
0
.2
Total 35 Commercial
Population
and Residential
Served
Separate Sanitary Sewer System
Combined Storm and
Sanda Sewer
Total percentage of each type of
SOD %
%
sewer line in miles
1.8
Is the treatment works located in Indian Country?
o
❑ Yes No
U
1.9
Does the facility discharge to a receiving water that flows through Indian Country?
�_
❑ Yes ❑� No
1.10
Provide design and actual flow rates in the designated spaces.
Design Flow Rate
0.10 m d
Annual Average Flow Rates Actual
Two Years Ago
Last Year
This Year
c o
0.035 mgd
0.046 mgd
0.047 mgd
d
Maximum Daily Flow Rates Actual
Two Years Ago
Last Year
This Year
0.060 mgd
0.092 mgd
0.098 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 ointsbyType
Constructed
m
T
Treated Effluent
Untreated Effluent
Combined Sewer
Bypasses
Emergency
t a
Overflows
Overflows
u
N_
c
1
Page 2

NPDES Permit Number
Facility Name
Modified Appliabon Form 2A
NC0074900
Hwy 150 Riverpark W WTP
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 + 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 Discharge
Data
Average Daily Volume
Continuous or Intermittent
Location
Discharged to Surface
(check one)
Impoundment
❑ Continuous
gpd
❑ Intermittent
❑ Continuous
gpd
❑ Intermittent
❑ Continuous
gpd
❑ Intermittent
a
r
1.14
Is wastewater applied to land?
❑ Yes ❑✓ No SKIP to Item 1.16.
1.15
Provide the land application site and discharge data requested below.
y
Land Application Site
and Discharge Data
o
Average Daily Volume
Continuous or
London
Size
Applied
Intermittent
o
check one
acres
gpd
❑ Continuous
N_
❑ Intermittent
❑ Continuous
d
acres
gpd
❑ Intermittent
❑ Continuous
acres
gpd
❑ Intermittent
A
1.16
Is effluent transported to another facility, for treatment prior to discharge?
0
❑ Yes 0 No + 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 4 SKIP to Item 1.20.
1.19
Provide information on the transporter below.
Trans 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

NPDES Permit Number
Facility Name
Modified Application Form 2A
NCG0749DO
Hwy 150 Riverpark W WTP
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.
Recil F 1111tv Data
o
Facility name
Mailing address (street or P.O. box)
m
City or town
State
ZIP code
0
aContact
name (first and last)
Title
0
d
Phone number
Email address
a
NPDES number of receiving facility (d any) ❑ None
Average daily flow rate mgd
N
0
1.21
Is the wastewater disposed of in a manner other than those already mentioned in Items 1.14 through 1.21 that do
dnot
have outlets to waters of the State of North Carolina (e.g., underground percolation, underground injection)?
t
❑ Yes ❑✓ No 4 SKIP to Item 1.23.
0
1.22
Provide information in the table below on these other disposal methods.
d
Information on Other Disposal Methods
S
Disposal
Location of
Size of
Annual Average
Continuous or Intermittent
Method
Disposal She
Disposal Site
Daily Discharge
(check one)
Description
Volume
❑ Continuous
acres
gpd
❑ Intermittent
O
❑ Continuous
acres
gpd
❑ Intermittent
acres
❑ Continuous
gpd
❑ 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
s
Section301(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 4SKIP 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
. g
Contractor name
i
(company name
E
Mailing address
street or P.O. box
`o
City, state, and ZIP
m
code
Contact name (first and
c'a
last
Phone number
Email address
Operational and
maintenance
responsibilities of
contractor
Page 4

NPDES Permit Number Facility Name Modified Application Form 2A
NCO074900 Hwy 150 Riverpark W WiP Modified March 2021
SECTION 2. ADDITIONAL INFORMATION.r
o Ouffalls to Waters of the State of North Carolina
2.1
Does the treatment works have a design flow greater than or equal l0 0.1 mgd?
rn
d
❑✓ Yes ❑ No 4 SKIP to Section 3.
0
c
2.2
Provide the treatment works' current average daily volume of inflow
Average Daily Volume of Inflow and Infiltration
gpd
Z
and infiltration.
c
_
Indicate the steps the facility, is taking to minimize inflow and infiltration.
a
c
A
3
0
c
c
s
2.3
Have you attached a topographic map to this application that contains all the required information? (See instructions for
specific requirements.)
o �
0
❑✓ Yes ❑ No
E
2A
Have you attached a process flow diagram or schematic to this application that contains all the required information?
c or
(See instructions for specific requirements.)
r` c
❑✓ Yes ❑ No
2.5
Are improvements to the facility scheduled?
❑ Yes ❑✓ No 4 SKIP to Section 3.
Briefly list and describe the scheduled improvements.
0
A
1.
c
m
E
c
2.
E
`o
u'
3.
0
v
d
t
y
4.
9
A
2.6
Provide scheduled or actual dales of completion for improvements.
2
Scheduled or Actual Dates of Com letion for Improvements
E
Scheduled
Affected
Outfalis
Begin
End
Begin
Attainment of
Operational
0
o
Improvement
P
(list ouffall
Construction
Construction
Discharge
Level
E
(from above)
number
(MM/DDIYYYY)
(MMIDDIYYYI)
(MMIDDIYYYI�
MMlDD
0
v
1.
a
y
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

NPDES Permit Number Faality Name Modified Application Form 2A
NC0074900 Hwy 150 Riverpark W WTP Modified March 2021
SECTION•' • ON 1 1
3.1 Provide the following information for each outfall. (Attach additional sheets if you have more than three outfalls.)
Outfall Number 001
Oulfell Number _
Outfall Number
state
NC
0e
County
Iredell
0
Cfty W town
Mooresville
Distance from shore
1056 ft.
ft.
ft.
Depth below surface
20 ft.
ft.
ft.
Average daily flow rate
0.040 mgd
mgd
mgd
Latitude
35° 36' 17' N
Longitude
a0' Sd 35" W
3.2
Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
❑ Yes ❑ No 4 SKIP to Item 3.4.
e
3.3
If so, provide the following information for each applicable outfall.
s
b
OutfallNumber_
OutfallNumber_
Outfall Number
c
Number of times per year
discharge occurs
Average duration of each
o
discharge s ' units
Average ow o ea
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 ti pe at each applicable outfall.
OutfallNumber
OulfallNumber
OulfallNumber_
Does the treatment works discharge or plan to discharge wastewater to waters of the State of North Carolina from
�i
C
3.6
one or more discharge points?
Q Yes ❑ No 4SKIP to Section 6.
Page 6

NPDES Permit Number
Facility Name
Modified Application Form 2A
NCO074900
Hwy 150 Riverpark WWrP
Modified March 2021
3.7
Provide the receiving water and related information if known for each outfall.
Outfall Number 001
Outfall Number _
OuBall Number
Receiving water name
Catawba River (Lake Norman)
Name of watershed, river,
c
or stream system
Catawba River
a
U.S. Soil Conservation
Servicel4-digit watershed
o
code
Name of state
3
managemenflriver basin
Catawba
rn
U.S. Geological Survey
8-digit hydrologic
catalooino unit code
Critical low flow (acute)
cfs
ds
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 provWad for discharges from each outfall.
Outfall Number
OutfallNumber
Outfall Number
Highest Level of
❑ Primary
❑ Primary
❑ Primary
Treatment (check all that
❑ Equivalent to
❑ Equivalent to
❑ Equivalent to
apply per outfall)
secondary
secondary
secondary
B Secondary
❑ Secondary
❑ Secondary
❑ Advanced
❑ Advanced
❑ Advanced
❑ Other (specify)
❑ Other (specify)
❑ Other (specify)
c
0
'a
Design Removal Rates by
Outfall
N
a
BOD5 or CBODs
85 %
%
°%
c
m
E
TSS
85 %
%
%
• Not applicable
❑ Not applicable
❑ Not applicable
Phosphorus
%
%
%
0 Not applicable
❑ Not applicable
❑ Not applicable
Nitrogen
%
%
%
Other (specify)
❑ Not applicable
❑ Not applicable
❑ Not applicable
Page 7

NPDES Permit Number
Facility Name
Modified Application Form 2A
NC0074900
Hwy 150 Riverpark 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.
v
m
c
c
0
U
Outfall Number 001
Outfall Number _
Outfall Number
o
Disinfection type
Tablet Chlorination w/contact
a
m
tank
0
Seasons used
All
m
E
i
Dechlorination used?
❑ Not applicable
❑ Not applicable
❑ Not applicable
~
❑✓ Yes
❑ Yes
❑ Yes
❑ No
❑ No I
❑ No
Vo
Have you completed monitoring for all Table A parameters and attached the results to the application package?
❑✓ 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 receivin water near the discharge points.
Outfall Number_
Outfall Number
Outfall Number_
Acute
Chronic
Acute
Chronic
Acute
Chronic
Number of tests of discharge
water
Number of tests of receiving
IT
water
m
0
w
L3.1
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?
r❑ Yes -k Complete Table B, including chlorine. ❑ 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?
❑✓ 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?
0 No additional sampling required by NPDES
❑ Yes
rmittin authority .
Page 8

NPDES Permit Number
Facility Name
Modified Applicabon Form 2A
NCO074900
Hwy 150 Riverpark 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 0 No 4 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 4 Provide results in Table E and SKIP to
Item 3.26.
3.21
Indicate the dales the data were submitted to our NPDES permitting authority and provide a summary of the results.
Date(s) SDubmltted
Summary of Results
(MMIDe
gC
O
3.22
Regardless of how you provided our WET testing data to the NPDES permitting authority, did an of the tests result in
e9 Y P Y n9 Pe 9 nty. Y
,g
a
toxicity?
c
❑ Yes ❑ No 4 SKIP to Item 3.26.
d
3.23
Describe the cause(s) of the toxicity:
d
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?
El Yes Not applicable because previously submitted
information to the NPDES Dermittinq authority.
Page 9

NPDES Permit Number Facility Name Modified Application Form 2A
NCO074900 Hwy 150 Riverpark WWTP Modified March 2021
SECTIONr
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
1: Basic Applip6on
El
Elw/ variance request(s) ❑ wl additional attachments
Information for All lipnts
Information
Section 2: Additional❑
0
wl topographic map w/ process flow diagram
Information
❑ wl additional attachments
© w/ Table A ❑ w/ Table D
❑ Section 3: Information on
✓❑ wl Table B ❑ wl additional attachments
Effluent Discharges
❑ wl Table C
Section 4: Not Applicable
Section 5: Not Applicable
0 Section 6: Checklist and
❑ wl attachments
a
Certification Statement
Sc
6.2
Certification Statement
1 certify under penalty of law that this document and all attachments were prepared under my direction or sups son in
accordance with a system designed to assure that qualified personnel property gather and evaluate the information
submitted. Based on my inquiry of the person orpersons 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.
Brent Milliron
Envir. Compliance Director
Signature p
Date signed
10/01/2024
RE�EJv E°
OCA o 1 '?C4
NC0EC110WRINP1DES
Page 10

NPDES Pend Number
Facility Name
Outlall Number
NCO074900
Hwy 150 Riverpark WWTP
001
Modified Applicabon Fonn 2A
Modified March 2021
Maximum Daily Discharge
Average Daily Discharge
ML or MDL
Value
Units
Value
Units
NumberAnalytical
Pollutant
Method' (include units)
Samples
Biochemical oxygen demand
OML
2.0
© BODs Or ❑ CBODs
19.4
mg/L
0.51
mg/L
160
SM52108 O MDL
re rt one
1
Fecal COIiform
163.00
#/100ml
12.86
#/1o0m1
161
ML
SM9222D (MF) 1.0 ©
MDL
Design flow rate
98,000
gallons
40409
gallons
1127
pH (minimum)
6.6
units
IH (maximum)
8.6
units
Temperature (winter)
29
degrees Cel10.67
15.9
degrees Celsius
327
Temperature (summer)
32.0
degrees Cel5.84
degrees Celsius
460
Total suspended solids (TSS)
14
mg/L
mg/L
160
SM25400 L5 0 MDL
1 Sampling shall be conducted according to sufficiently sensitive lest procedures (i.e., methods) approved under 41) GFR isc for the anaiysls or pollmanis or pouuiam paraniereis ui
required under 40 CFR chapter I, subchapter N or 0. See instructions and 40 CFR 122.21(e)(3).
Page 11

IES Permit Number
NCO074900 IHwy 150 Riv¢rpark WWTP
001
Modified Application Form 2A
Modified March 2021
7V
Average Daily Discharge
Analytical
Method'
ML or MDL
(include units )
Pollutant
Maximum Daily Discharge
Value
Units
ue
Units
Number of
Samples
Ammonia (as N)
2.97
mg/L
0
mg/L
160
SM4500NH3D
0.2 ML
© MDL
Chlorine
total residual, TRC
47
ug/L
9
5
ug/L
321
Field -Hach DBD
11 ML
❑ MDL
Dissolved oxygen
10.7
mg/L
841
mg/L
163
Field -Hach DBD
❑ ML
❑ MDL
Nitrate/nitrite
37.3
mg/L
2(.98
mg/L
12
HACH 10206
0.3 mg/L 0 ML
❑ MDL
Neldahl nitrogen
4.6
ni
0.175
mg/L
12
HACH 10242, Rev 1.
2.0 mg/L (21 ML
O MDL
Oil and grease
0.0
mg/L
0
mg/L
160
EPA 16646
S.0 mg/LZ ML
MDL
Phosphorus
6.36
mg/L
455
mg/L
13
SM450OPE-2021
0.16 mg/L 0 ML
MDL
Total dissolved solids
❑ ML
❑ MDL
1 Sampling shall be conducted according to sufficiently sensitive test procedures (i.e., n
required under 40 CFR chapter I, subchapter N or 0. See instructions and 40 CFR 122
2 Facilities that do not use chlorine for disinfection, do not use chlorine elsewhere in the
required to report data for chlorine.
approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or
process, and have no reasonable potential to discharge chlorine in their effluent are not
EPA Form 3510-2A (Revised 3-19) 1
Page 12

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Raw
Effluent
Equalization
Tank
Dual activated sludge
with diffused air and
clarification
Sludge Holding
Tank
Pumped
and
Hauled
Highway 150 WWTP
NCO074900
Process Flow Diagram
Tertiary
Filters
Chlorine Contact
Dechlorination
Aeration
Out -fall 001