NC0049662_Renewal (Application)_20220802 (2)

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1441
ROY COOPER
Governor
ELIZABETH S.BISER • ��°,„
Secretary xc '
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
August 08, 2022
Aqua North Carolina, Inc.
Attn: Amanda Berger
202 Mackenan Court
Cary, NC 27511
Subject: Permit Renewal
Application No. NC0049662
Hawthorne Subdivision WWTP
Wake County
Dear Applicant:
The Water Quality Permitting Section acknowledges the August 2, 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: WQPS Laserfiche File w/application
D_E North Carolina Department of Environmental Quality I Division of Water Resources
Raleigh Regional Office 3800 Barrett Drtve Raleigh.North Carolina 27609
919 7914200

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♦Essential Wales Comnany
August 1, 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.
Hawthorne WWTP (NC0049662)
Wildwood Green WWTP (NC0063614)
NPDES No. NC0062740
Wake County
To Whom It May Concern:
Attached is the completed Modification Application Form 2A, topographic
map, and flow diagram for Hawthorne Wastewater Treatment Plant and
Wildwood Green Wastewater Treatment Plant. These facilities are being
submitted together due to the combined Falls Lake nutrient limits. This letter
and attachments are Aqua North Carolina's request to renew the subject
permit.
Aqua respectfully request NCDEQ remove the Whole Effluent Toxicity (WET)
requirement for Wildwood Green. Disinfection has been upgraded to UV with
chlorine utilized only as back-up. As the application indicates, this plant has not
reported any fails in this permit renewal cycle.
If you need any additional information or assistance, please feel free to contact
me at [e-mail].
Sincerely,
Amanda Berger
Director, Environmental Compliance

North Carolina
Department of Environmental Quality Modified Application Form 2A
Division of Water Resources 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.

f
NPDES Permit Number Facility Name Modified Application Form 2A
NC0049662 Hawthorne WWTP Modified March 2021
Form NC Department of Environmental Quality-Application for NPDES Permit to Discharge Wastewater
NPDES MINOR SEWAGE FACILITIES(Before completing this form,please read the instructions.Failure to follow
the instructions may result in denial of the application.)
SECTION 1.BASIC APPLICATION INFORMATION FOR ALL APPLICANTS(40 CFR 122.21(j)(1)and(9))
1.1 Facility name
Hawthorne WWTP
Mailing address(street or P.O.box)
202 Mackenan Court
City or town State ZIP code
Cary NC 27511
Contact name(first and last) Title Phone number Email address
Amanda Berger Director of Environmental Cor [phone] [e-mail]
Location address(street, route number,or other specific identifier) ❑ Same as mailing address
cts U-
Warwickshire Way
City or town State ZIP code
Raleigh NC 27511
1.2 Is this application for a facility that has yet to commence discharge?
❑ Yes 4 See instructions on data submission 0 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.
Applic
ant nt name
Aqua North Carolina
a Applicant address(street or P.O.box)
202 Mackenan Court
City or town State ZIP code
Cary NC 27511
Contact name(first and last) Title Phone number Email address
Amanda Berger Director of Environmental Cor [phone] [e-mail]
1.4 Is the applicant the facility's owner,operator,or both?(Check only one response.)
❑ Owner ❑ Operator 0 Both
1.5 To which entity should the NPDES permitting authority send correspondence?(Check only one response.)
ID 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.) _
Existing Environmental Permits
❑ NPDES(discharges to surface ❑ RCRA(hazardous waste) n UIC(underground injection
'' water) control)
NC0049662
2 ❑ PSD(air emissions) ❑ Nonattainment program(CM) ❑ NESHAPs(CM)
rn
N ❑ Ocean dumping(MPRSA) ❑ Dredge or fill(CWA Section ❑ Other(specify)
w 404)
Page 1

NPDES Permit Number Facility Name Modified Application Form 2A
NC0049662 Hawthorne WWTP Modified March 2021
1.7 Provide the collection system information requested below for the treatment works.
Municipality Population Collection System Type Ownership Status
Served Served (indicate percentage)
Raleigh 2065 100 %separate sanitary sewer ❑ Own 0 Maintain
Z
%combined storm and sanitary sewer 0 Own 0 Maintain
d 0 Unknown 0 Own ❑ Maintain
a %separate sanitary sewer 0 Own 0 Maintain
%combined storm and sanitary sewer 0 Own 0 Maintain
CO
❑ Unknown 0 Own 0 Maintain
a %separate sanitary sewer ID ❑ Maintain
%combined storm and sanitary sewer 0 Own 0 Maintain
rts ❑ Unknown ❑ Own 0 Maintain
E %separate sanitary sewer ❑ Own ❑ Maintain
cn %combined storm and sanitary sewer ❑ Own ❑ Maintain
c ❑ Unknown 0 Own ❑ Maintain
.0 Total ,
a" Population
o Served
Separate Sanitary Sewer System Combined Storm and
Sanitary Sewer
Total percentage of each type of 100
sewer line(in miles)
1.8 Is the treatment works located in Indian Country?
1`
o ❑ Yes ID No
0
R1.9 Does the facility discharge to a receiving water that flows through Indian Country?
0 Yes ❑ No
1.10 Provide design and actual flow rates in the designated spaces. Design Flow Rate
.250 mgd
= Annual Average Flow Rates(Actual)
5 N
a S2 Two Years Ago Last Year This Year
CO
c o .131 mgd .131 mgd .125 mgd
. LL _ Maximum Daily Flow Rates(Actual) _
o Two Years Ago Last Year This Year
.269 mgd .234 mgd .193 mgd
1.11 Provide the total number of effluent discharge points to waters of the State of North Carolina by type.
o Total Number of Effluent Discharge Points by Type
n 0_ Constructed
Combined Sewer
Treated Effluent Untreated Effluent Bypasses Emergency
= s Overflows Overflows
U
-
w
6 1
Pagr 2

•
NPDES Permit Number Facility Name Modified Application Form 2A
NC0049662 Hawthorne 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 Impoundment Location and Discharge Data
Average Daily Volume Continuous or intermittent
Location Discharged to Surface (check one)
Impoundment
❑ Continuous
gpd ❑ Intermittent
❑ Continuous
gpd ❑ Intermittent
0 Continuous
N gpd 0 Intermittent
2 1.14 Is wastewater applied to land?
❑ Yes ❑ No4SKIPtoItem1.16.
0 1.15 Provide the land application site and discharge data requested below.
Q- Land Application Site and Discharge Data
o Continuous or
Location Size Average Daily Volume Intermittent
Applied (check one)
2 0 Continuous
acres gpd 0 Intermittent
acres d ❑ Continuous
gp 0 Intermittent
acres d 0 Continuous
gp ❑ Intermittent
1.16 Is effluent transported to another facility for treatment prior to discharge?
as
❑ Yes 0 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 4 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

NPDES Permit Number Facility Name Modified Application Form 2A
NC0049662 Hawthorne 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 Facility Data
Facility name Mailing address(street or P.O.box)
City or town State ZIP code
0
a Contact name(first and last) Title
0
Phone number Email address
Tts
o NPDES number of receiving facility(if any) ❑ None Average daily flow rate mgd
O 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)?
❑ Yes 0 No 4 SKIP to Item 1.23.
0
0 1.22 Provide information in the table below on these other disposal methods.
d 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 d ❑ Continuous
gp 0 Intermittent
0 Continuous
acres gpd 0 Intermittent
acres d 0 Continuous
gp 0 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.
w 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
co Section 301(h)) 302(b)(2))
0 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
o Contractor name
(company name)
Mailing address
(street or P.O.box)
City,state,and ZIP
R
code
Contact name(first and
ci last)
Phone number
Email address
Operational and
maintenance
responsibilities of
contractor
Page 4

NPDES Permit Number Facility Name Modified Application Form 2A
NC0049662 Hawthorne WWTP Modified March 2021
SECTION 2.ADDITIONAL INFORMATION(40 CFR 122.21(j)(1)and(2))
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?
o ❑✓ Yes ❑ No 4 SKIP to Section 3.
c 2.2 Provide the treatment works'current average daily volume of inflow Average Daily Volume of Inflow and Infiltration
0
and infiltration.
ct, N/a gpd
Indicate the steps the facility is taking to minimize inflow and infiltration.
c The average peaking factor for this permit cycle is less than 1 at 0.45.
0
c
2.3 Have you attached a topographic map to this application that contains all the required information?(See instructions for
E' Q specific requirements.)
o
CL
❑r Yes ❑ No
E 2.4 Have you attached a process flow diagram or schematic to this application that contains all the required information?
3 R (Seespecificq instructions for requirements.)
�
Er_ !a
El Yes ❑ No
2.5 Are improvements to the facility scheduled?
ElYes ❑ No 4 SKIP to Section 3.
Briefly list and describe the scheduled improvements.
0
1 Replace Generator
2. Coating Repair
0
y 3.
w
4.
0 2.6 Provide scheduled or actual dates of completion for improvements.
Scheduled or Actual Dates of Completion for Improvements
Affected Attainment of
Scheduled Outfalls Begin End Begin Operational
2 Improvement Construction Construction Discharge
(from above) (list outfall (MM/DD/YYYY) (MM/DD/YYYY) (MM/DD/YYYY) Level
number) (MM/DD/YYYY)
1. 001 01/01/2023
0 2. 001 01/01/2025
3
4.
2.7 Have appropriate permits/clearances concerning other federal/state requirements been obtained?Briefly explain your
response.
❑ Yes 0 No ❑ None required or applicable
Explanation:
Permits will not be applied for until closer to construction.
Page 5

NPDES Permit Number Facility Name Modified Application Form 2A
NC0049662 Hawthorne WWTP Modified March 2021
SECTION 3.INFORMATION ON EFFLUENT DISCHARGES(40 CFR 122.21(j)(3)to(5))
3.1 Provide the following information for each outfall.(Attach additional sheets if you have more than three outfalls.)
Outfall Number 001 Outfall Number Outfall Number
State North Carolina
County Wake
cts
City or town Raleigh
0
g Distance from shore 15 ft. ft. ft.
Q
Depth below surface 12 ft•
ft. ft.
Average daily flow rate .125 mgd mgd mgd
Latitude 35° 56' 21.8: N
Longitude 78° 43' 28.9.'
3.2 Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
❑ Yes ❑r No 4 SKIP to Item 3.4.
g 3.3 If so, provide the following information for each applicable outfall.
N Outfall Number Outfall Number Outfall Number
Number of times per year
0 discharge occurs
a Average duration of each
discharge(specify units)
o Average flow of each mgd mgd mgd
discharge
Er) 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 type at each applicable outfall.
O.
Outfall Number Outfall Number Outfall Number
N
7 i
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?
0 Yes ❑ No 4SKIP to Section 6.
Page 6

NPDES Permit Number Facility Name Modified Application Form 2A
NC0049662 Hawthorne 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 Upper Barton Creek
Name of watershed,river,
0 or stream system Neuse River
U.S.Soil Conservation
Service 14-digit watershed
o code
Name of state
(3 management/river basin Neuse River Basin
U.S.Geological Survey
8-digit hydrologic
cc 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 provided for discharges from each outfall.
Outfall Number 001 Outfall Number Outfall Number
Highest Level of 0 Primary 0 Primary 0 Primary
Treatment(check all that 0 Equivalent to 0 Equivalent to 0 Equivalent to
apply per outfall) secondary secondary secondary
❑ Secondary 0 Secondary ❑ Secondary
O Advanced 0 Advanced 0 Advanced
O Other(specify) 0 Other(specify) 0 Other(specify)
0
Design Removal Rates by
Outfall
—
BOD5 or CBOD5 85
TSS 85 % °/ook
0 Not applicable 0 Not applicable 0 Not applicable
Phosphorus o o °
Chemical TrE /o /o /o
0 Not applicable 0 Not applicable 0 Not applicable
Nitrogen o
"'80 /o °/o /o
Other(specify) 0 Not applicable 0 Not applicable 0 Not applicable
0/0
Page 7

•
NPDES Permit Number Facility Name Modified Application Form 2A
NC0049662 Hawthorne 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.
C)
uv
0
Outfall Number 001 Outfall Number Outfall Number
0
Disinfection type UV with back up Chlorine;
Chlorine was not used during
m
• Seasons used
Dechlorination used? El Not applicable ❑ Not applicable ❑ Not applicable
❑ 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?
CI 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
is
Number of tests of discharge
= water
Number of tests of receiving
water
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 4 Complete Table B, including chlorine. El 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?
❑✓ 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

NPDES Permit Number Facility Name Modified Application Form 2A
NC0049662 Hawthorne 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 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 dates the data were submitted to your NPDES permitting authority and provide a summary of the results.
Date(s)Submitted Summary of Results
(MM/DD/YYYY)
a
m
_
0R. 3.22 Regardless of how you provided your WET testing data to the NPDES permitting authority,did any of the tests result in
toxicity?
13)
❑ Yes ❑ No •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 ❑ Not applicable because previously submitted
information to the NPDES sermittin• authori .
Page 9

NPDES Permit Number Facility Name Modified Application Form 2A
NC0049662 Hawthorne WWTP Modified March 2021
SECTION 6.CHECKLIST AND CERTIFICATION STATEMENT(40 CFR 122.22(a)and(d))
6.1 In Column 1 below,mark the sections of Form 2A that you have completed and are submitting with your application.For
each section,specify in Column 2 any attachments that you are enclosing to alert the permitting authority.Note that not
all applicants are required to provide attachments.
_ Column 1 Column 2
Section 1:Basic Application
Information for All Applicants ❑ w/variance request(s) ❑ wl additional attachments
El Section 2:Additional 0 w/topographic map El w/process flow diagram
Information ❑ w/additional attachments
0 w/Table A ❑ w/Table D
❑ Section 3: Information on El w/Table B ❑ w/additional attachments
Effluent Discharges
❑ w/Table C
is
v' Section 4:Not Applicable
0
Section 5:Not Applicable
Section 6:Checklist and
❑ Certification Statement
y ❑ w/attachments
Y 6.2 Certification Statement
CD
I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gather and evaluate the information
submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible
for gathering the information,the information submitted is, to the best of my knowledge and belief, true,accurate,and
complete. I am aware that there are significant penalties for submitting false information,including the possibility of fine
and imprisonment for knowing violations.
Name(print or type first and last name) Official title
Amanda Berger Director,Environmental Compliance
Signature "" Date signed
„51ti�ac{A.cC��bc..9�- 08/01/2022
Page 10

NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A -
NC0049662 Hawthorne WWTP Modified March 2021 •
TABLE A.EFFLUENT PARAMETERS FOR ALL POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number Value Units Value Units Sam lesf Method' (include units)
Biochemical oxygen demand
❑BODE or❑CBOD5 12 mg/L 2.66 mg/L 267 SM 5210B-2001 ❑ML
❑MDL
resort one
Fecal coliform 2420 #100m1 30 #l00m1 251 Colilert 18 ❑ML
❑MDL
Design flow rate .277 MGD .250 MGD
pH(minimum) 6.81 Su
pH(maximum) 8.98 SU
Temperature(winter) 23.2 C 13.26 C 953
Temperature(summer) 30 C 22.23 C 900
0 ML
Total suspended solids(TSS) 13 MG/1 2.86 MG/I 267 SM 2540D-1997 ❑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 11

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0049662 Hawthorne WWTP Modified March 2021
TABLE B.EFFLUENT PARAMETERS FOR ALL POTWS WITH A FLOW EQUAL TO OR GREATER THAN 0.1 MGD
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant
Value Units Value Units Number of Methods (include units)
Samples
Ammonia(as N) 5.7 MG/I .227 MG/I 270 EPA 350.1 ❑ML
❑MDL
Chlorine ❑ML
(total residual,TRC)2 FIELD ❑MDL
Dissolved oxygen 14.9 mg/L 8.80 mg/L 1446 FIELD ❑ML
❑MDL
Nitrate/nitrite 55 mg/L 6.41 mg/L 128 EPA 353.2 ❑ML
❑MDL
Kjeldahl nitrogen 6.1 mg/L 1.03 mg/L 127 EPA 351.2 ❑ML
❑MDL
0 ML
Oil and grease ❑MDL
Phosphorus 6.9 mg/L .653 mg/L 129 EPA 365.4 ❑ML
❑MDL
1 Total dissolved solids 13 mg/L 2.86 mg/L 267 SM 2540 D-1997 ❑ML
❑MDL
1 i
shall be conducted accordingto sufficientlysensitive test procedures i.e. methods)approved under 40 CFR 136 for the analysis ofpollutants orpollutant parameters or
Sampling ( � PP Y
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

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0049662 Hawthorne WWTP Modified March 2021
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge
Pollutant Analytical ML or MDL
Value Units Value Units Number of Methods (include units)
Samples
Metals,Cyanide,and Total Phenols
❑ML
Hardness(as CaCO3) 0 MDL
0 ML
Antimony,total recoverable ❑MDL
Arsenic,total recoverable ❑ML
El MDL
o ML
Beryllium,total recoverable 0 MDL
Cadmium,total recoverable ❑ML
❑MDL
Chromium,total recoverable ❑ML
El MDL
o ML
Copper,total recoverable 0 MDL
❑ML
Lead,total recoverable
O ML
❑MDL
Mercury,total recoverable 0 MDL
Nickel,total recoverable o ML
❑MDL
Selenium,total recoverable ❑ML
❑MDL
Silver,total recoverable ❑ML
❑MDL
Thallium,total recoverable o ML
0 MDL
Zinc,total recoverable El ML
❑MDL
LI ML
Cyanide El MDL
CI ML
Total phenolic compounds I ❑MDL
Volatile Organic Compounds
Acrolein ❑ML
❑MDL
0 ML
Acrylonitrile 0 MDL
Benzene El ML
❑MDL
B ❑ML
0 MDL
romoform
EPA Form 3510-2A(Revised 3-19) Page 13

EPA Identification Number NPDES Permit Number ? Facility Name Outfall Number Modified Application Form 2A
NC0049662 Hawthorne WWTP Modified March 2021
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Methods (include units)
Value Units Value Units Samples
Carbon tetrachloride ❑ML
❑MDL
Chlorobenzene ❑ML
❑MDL
Chlorodibromomethane ❑ML
❑MDL
Chloroethane ❑ML
❑MDL
0 ML
2-chloroethylvinyl ether ❑MDL
Chloroform ❑ML
❑MDL
Dichlorobromomethane ❑ML
❑MDL
1,1-dichloroethane ❑ML
❑MDL
1,2-dichloroethane I ❑ML
_ ❑MDL
0 ML
trans-1,2-dichloroethylene ❑MDL
0 ML
1,1-dichloroethylene ❑MDL
0 ML
1,2-dichloropropane ❑MDL
0 ML
1,3-dichloropropylene ❑MDL
0 ML
Ethylbenzene ❑MDL
0 ML
Methyl bromide ❑MDL
0 ML
Methyl chloride ❑MDL
Methylene chloride ❑ML
❑MDL
1,1,2,2-tetrachloroethane ❑ML
❑MDL
Tetrachloroethylene ❑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

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0049662 Hawthorne WWTP Modified March 2021
TABLE C. EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge
Pollutant Analytical ML or MDL
Value Units Value Units Number of Method1 (include units)
Samples
Trichloroethylene ❑ML
❑MDL
Vinyl chloride ❑ML
❑MDL
Acid-Extractable Compounds
p-chloro-m-cresol CI ML
❑MDL
2-chlorophenol ❑ML
❑MDL
2,4-dichlorophenol ❑ML
❑MDL
2,4-dimethylphenol ❑ML
❑MDL
4,6-dinitro-o-cresol ❑ML
❑MDL
2,4-dinitrophenol ❑ML
❑MDL
2-nitrophenol ❑ML
❑MDLMDL
4-nitrophenol ❑ML
❑
Pentachlorophenol ❑ML
❑MDL
❑ML
Phenol
2;4,6 trichlorophenol ❑❑MLMDL
❑MDL
Base-Neutral Compounds
Acenaphthene ❑ML
❑
Acenaphthylene ❑MLMDL
❑MDL
Anthracene ❑ML
❑MDL
Benzidine ❑ML
❑MDL
Benzo(a)anthracene ❑ML
❑MDL
Benzo(a)pyrene ❑ML
❑MDL
3,4-benzofluoranthene ❑ML
❑MDL
EPA Form 3510-2A(Revised 3-19) Page 15

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0049662 Hawthorne WWTP Modified March 2021
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Method1 (include units)
Value Units Value Units Samples
Benzo(ghi)perylene ❑ML
❑MDL
Benzo(k)fluoranthene ❑ML
❑MDL
Bis(2-chloroethoxy)methane ❑ML
❑MDL
Bis(2-chloroethyl)ether ❑ML
❑MDL
Bis(2-chloroisopropyl)ether ❑ML
❑MDL
Bis(2-ethylhexyl)phthalate ❑ML
❑MDL
4-bromophenyl phenyl ether ❑ML
❑MDL
Butyl benzyl phthalate ❑ML
❑MDL
2-chloronaphthalene ❑ML
❑MDL
4-chlorophenyl phenyl ether ❑ML
❑MDL
Chrysene ❑ML
❑MDL
di-n-butyl phthalate ❑ML
❑MDL
di-n-octyl phthalate ❑ML
❑MDL
Dibenzo(a,h)anthracene ❑ML
❑MDL
1,2-dichlorobenzene ❑ML
❑MDL
1,3-dichlorobenzene ❑ML
❑MDL
1,4-dichlorobenzene ❑ML
❑MDL
3,3-dichlorobenzidine ❑ML
❑MDL
Diethyl phthalate ❑ML
❑MDL
Dimethyl phthalate ❑ML
0 MDL
2,4-dinitrotoluene ❑ML
❑MDL
2,6-dinitrotoluene ❑ML
❑MDL
EPA Form 3510-2A(Revised 3-19) Page 16

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0049662 Hawthorne WWTP Modified March 2021
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Ma
ximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Method' (include units)
Value Units Value Units Samples
1,2-diphenylhydrazine ❑ML
❑MDL
Fluoranthene ❑ML
❑MDL
Fluorene ❑ML
❑MDL
❑ML
Hexachlorobenzene ❑MDL
Hexachlorobutadiene ❑ML
❑MDL
Hexachlorocyclo-pentadiene ❑ML
❑MDL
Hexachloroethane ❑ML
❑MDL
Indeno(1,2,3-cd)pyrene ❑ML
❑MDL
Isophorone ❑ML
❑MDL
Naphthalene ❑ML
❑MDL
Nitrobenzene ❑ML
❑MDL
N-nitrosodi-n-propylamine ❑ML
❑MDL
N-nitrosodimethylamine ❑ML
❑MDL
N-nitrosodiphenylamine ❑ML
❑MDL
Phenanthrene 0 ML
❑MDL
Pyrene ❑ML
❑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

NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0049662 Hawthorne WWTP Modified March 2021
TABLE D.ADDITIONAL POLLUTANTS AS REQUIRED BY NPDES PERMITTING AUTHORITY
Maximum Daily Discharge Average Daily Dischar e
Pollutant Analytical ML or MDL
Number of
(list) Value Units Value Units Methods (include units)
Samples
❑ No additional sampling is required by NPDES permitting authority.
111111
MLI
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
0 MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
0 ML
❑MDL
❑ML
❑MDL
❑ML
0 MDL
❑ML
0 MDL
❑ML
❑MDL
❑ML
❑MDL
0 ML
❑MDL
❑ML
0 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

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Hawthorne Subdivision WWTP
NPDES Permit NC0049662 A
Facility Location •
Receiving Stream: Upper Barton Creek Stream Class:WS IV; NSW scale not shown
Stream Segment: 27-15-(1) Sub Basin It: 03 04 01
River Basin: Neuse HUC:0302020106 SCALE USGS Quad:Bayleaf
County: Wake 1:33,000 35.93917° 78 72528°