NC0056278_Renewal (Application)_20230202

F
ROY COOPER g ' I ='o
Governor I .:°
ELIZABETH S. BISER .
Secretary Q "
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
February 02, 2023
River Mill HOA, Inc
Attn: Marie Guzieka, President
4700 Homewood Ct Ste 380
Raleigh, NC 27609
Subject: Permit Renewal
Application No. NC0056278
River Mill WWTP
Wake County
Dear Applicant:
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.
erel
T oSincSWrene
Administrative Assistant
Water Quality Permitting Section
ec: WQPS Laserfiche File w/application
DiEssi......
+v North Carolina Department of Environmental Quality I Division of Water Resources
�/) Raleigh Regional Office 13800 Barrett Drive 1 Raleigh North Carolina 21609
Uallr 919.791.4200

RECEIVED
To: Wren Thedford
NC DENR/DWR/NPDES Unit FEB 0 2 2023
1617 Mail Services Center
Raleigh, NC 27699-1617
NCDEQ/DWR/NPDES
From: Marie Guziejka
River Mill HOA President
Date: January 30, 2023
Re: River Mill COA Wastewater Treatment Plant, Wake County
NPDES Permit# NC0056278
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

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

NPDES Permit Number Fadlity Name Modified Application Form 2A
NC0056278 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
DE the instructions ma result in denial of the : ication.
SECTION 1.BASIC APPLICATION INFORMATION FOR ALL APPLICANTS(40 CFR 122.21(j)(1)and(9))
1.1 Facility name
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
Contact name(first and last) Title Phone number Email address
Community
Loebach Manager
g [phone] [e-mail]
Location address(street,route number,or other specific identifier) ❑ Same as mailing address
1500 River Mill Drive
U-
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 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.
Applicant name
Marie Guziejka
= Applicant address(street or P.O. box)
0
1500 River Mill Drive#303
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]
1.4 Is the applicant the facility's owner,operator,or both?(Check only one response.)
❑ Owner ❑ Operator E 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.)
Existing Environmental Permits
❑ NPDES(discharges to surface ❑ RCRA(hazardous waste) ❑ UIC(underground injection
water) control)
E NC0056278
❑ PSD(air emissions) ❑ Nonattainment program (CM) ❑ NESHAPs(CM)
'N ❑ Ocean dumping(MPRSA) ❑ Dredge or fill(CWA Section ❑ Other(specify)
w 404)
Page 1

NPDES Permit Number Facility Name Tl Modified Application Form 2A
NC0056278 River Mill WWTP I 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)
100 %separate sanitary sewer CI Own El Maintain
51 condo units %combined storm and sanitary sewer 0 Own 0 Maintain
d 0 Unknown ❑ Own ❑ Maintain
_ %separate sanitary sewer 0 Own ❑ Maintain
`—' %combined storm and sanitary sewer 0 Own 0 Maintain
❑ Unknown ❑ Own 0 Maintain
0.
separate sanitary sewer 0 Own ❑ Maintain
c %combined storm and sanitary sewer 0 Own 0 Maintain
E ❑ Unknown 0 Own ❑ Maintain
w %separate sanitary sewer ❑ Own ❑ Maintain
rn %combined storm and sanitary sewer 0 Own CI
c ❑ Unknown 0 Own 0 Maintain
o
Total
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) 100 o/o /o
L' 1.8 Is the treatment works located in Indian Country?
c
o ❑ Yes 0 No
c�
c 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
z y Annual Average Flow Rates(Actual)
< A Two Years Ago Last Year This Year
-a c4
c
CO 0.002 mgd 0.002 mgd 0.02 mgd
cLT Maximum Daily Flow Rates(Actual)
o Two Years Ago Last Year This Year
0.006 mgd 0.009 mgd 0.009 mgd
w 1.11 Provide the total number of effluent discharge points to waters of the State of North Carolina by type. I
Total Number of Effluent Discharge Points by Type
a ® I I I Constructed
EP Treated Effluent Untreated Effluent Combined Sewer Bypasses Emergency
Overflows
verows Overflows
U
0 1
Page 2
1

NPDES Permit Number Fadlity Name Modified Application Form 2A
NC0056278 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 El 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
Impoundment (check one)
0 Continuous
gpd ❑ Intermittent
❑ Continuous
gpd ❑ Intermittent
0 Continuous
0
gpd 0 Intermittent
.� 1.14 Is wastewater applied to land?
❑ Yes 0 No 4 SKIP to Item 1.16.
0 1.15 Provide the land application site and discharge data requested below.
Land Application Site and Discharge Data
Continuous or
Location Size Average Daily Volume Intermittent
En Applied (check one)
co
acresgpd ❑ Continuous
o ❑ Intermittent
❑ Continuous
s acres gpd ❑ Intermittent
- 0 Continuous
co gpd ❑ 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 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
NC0056278 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 Facility Data
-0 Facility name Mailing address(street or P.O.box)
a)
City or town State ZIP code
0
Contact name(first and last) Title
0
Phone number Email address
aNPDES number of receiving facility(if 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
not have outlets to waters of the State of North Carolina(e.g.,underground percolation,underground injection)?
rn
s ElYes ❑✓ No 4 SKIP to Item 1.23.
C)
0 1.22 Provide information in the table below on these other disposal methods.
Information on Other Disposal Methods
Disposal Location of Size of Annual Average Continuous or Intermittent
Method Disposal Site Disposal Site Daily Discharge (check one)
Description Volume
❑ Continuous
acres gpd ❑ Intermittent
❑ Continuous
acres gpd ❑ Intermittent
acres gpd ❑ 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.
dConsult with your NPDES permitting authority to determine what information needs to be submitted and when.)
a, ❑ Discharges into marine waters(CWA ❑ Water quality related effluent limitation(CWA 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?
0 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
is (company name) M&M Water&Wastewater Se McGill Gregory Poole
Mailing address
3191 Gela Rd 5400 Trinity Road,Suite 107 3201 Integrity Drive
a (street or P.O.box)
City, state,and ZIP Oxford,NC 27565 Raleigh. NC 27607 Garner.NC,27529
code
c Contact name(first and Nancy Mathews Casey Dunlap
last)
Phone number [phone] [phone] [phone]
Email address [e-mail] mcgillassociates.com [e-mail]
Operational and
maintenance
Full service Solid waste removal Generator for backup service
responsibilities of in cases of power loss
contractor
Page 4

NPDES Permit Number Fadlity Name Modified Application Form 2A
NC0056278 River Mill WWTP Modified March 2021
SECTION 2.ADDITIONAL INFORMATION (40 CFR 122.21(j)(1)and(2))
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.
2.2 Provide the treatment works'current average daily volume of inflow Average Daily Volume of Inflow and Infiltration
and infiltration. o d
9P
Indicate the steps the facility is taking to minimize inflow and infiltration.
m
0
0
0 2.3 Have you attached a topographic map to this application that contains all the required information?(See instructions for
0_ CI' specific requirements.)
a
Eo ❑ Yes ❑ No
E 2.4 Have you attached a process flow diagram or schematic to this application that contains all the required information?
2.3 o (See instructions for specific requirements.)
LT co
❑ 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
1.
v
E
a>
a 2.
E
0
N 3.
a)
a)
a�
rn
4.
R 2.6 Provide scheduled or actual dates of completion for improvements.
Scheduled or Actual Dates of Completion for Improvements
Affected Attainment of
Scheduled Begin End Begin
Outfalls Operational
o Improvement Construction Construction Discharge
(list outfall Level
(from above) number) (MM/DD/YYYY) (MM/DDIYYYY) (MM/DD/YYYY) (MM/DD/YYYY)
1.
-a
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

NPDES Permit Number Facility Name Modified Application Form 2A
NC0056278 River Mill 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 1 Outfall Number Outfall Number
State North Carolina
County Wake
O City or town Wake Forest
Distance from shore 0 ft. ft. ft.
Depth below surface o ft. ft. ft.
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?
a El Yes ❑ No 4 SKIP to Item 3.4.
3.3 If so,provide the following information for each applicable outfall.
L
y Outfall Number Outfall Number Outfall Number
0
Number of times per year
s discharge occurs
a Average duration of each
`o discharge(specify units)
cAverage flow of each mgd mgd mgd
discharge
rn Months in which discharge
occurs
3.4 Are any of the outfalls listed under Item 3.1 equipped with a diffuser?
❑ Yes ElNo 4 SKIP to Item 3.6.
3.5 Briefly describe the diffuser type at each applicable outfall.
n
t— Outfall Number Outfall Number Outfall Number
N
ui 3.6 Does the treatment works discharge or plan to discharge wastewater to waters of the State of North Carolina from
12 = one or more discharge points?
1. w ❑✓ Yes ❑ No 4SKIP to Section 6.
Page 6

NPDES Permit Number Fadlity Name Modified Application Form 2A
NC0056278 River Mill WWTP Modified March 2021
3.7 Provide the receiving water and related information(if known)for each outfall.
Outfall Number 1 Outfall Number Outfall Number
Receiving water name Neuse River
Name of watershed,river,
or stream system Neuse River
U.S.Soil Conservation
Service 14-digit watershed
code
Name of state
management/river basin NCDENR
rn
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 provided for discharges from each outfall.
Outfall Number 1 Outfall Number Outfall Number
Highest Level of ❑ Primary ❑ Primary 0 Primary
Treatment(check all that 0 Equivalent to 0 Equivalent to 0 Equivalent to
apply per outfall) secondary secondary secondary
0 Secondary ❑ Secondary ❑ Secondary
❑ Advanced ❑ Advanced ❑ Advanced
❑ Other(specify) 0 Other(specify) ❑ Other(specify)
0
Design Removal Rates by
Outfall
ca BOD5 or CBOD5 85 °/D
a)i TSS 85 %
F—
C'Not applicable ❑ Not applicable ❑ Not applicable
Phosphorus %
GYNot applicable ❑ Not applicable 0 Not applicable
Nitrogen o 5 D
Other(specify) Q'Not applicable 0 Not applicable ❑ Not applicable
°/D
Page 7

NPDES Permit Number Facility Name Modified Application Farm 2A
NC0056278 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.
Chlorine tablets placed in contact box manually
c
Outfall Number 1 Outfall Number Outfall Number
0
Disinfection type
Chlorine Tabletss
U,
m
Seasons used
All
Dechlorination used? ❑ 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?
j 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 0 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
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. ❑ 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?
ElYes ❑ 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?
❑
No additional sampling required by NPDES Yes permitting authority.
Page 8

NPDES Permit Number Facility Name Modified Application Form 2A
NC0056278 River Mill 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 /our NPDES permitting authority and provide a summary of the results.
Date(s)Submitted Summary of Results
(MMIDD/YYYY)
-a
a
3.22 Regardless of how you provided your WET testing data to the NPDES permitting authority, did any of the tests result in
toxicity?
❑ Yes ❑ No 4 SKIP to Item 3.26.
131 3.23 Describe the cause(s)of the toxicity:
LU
LU
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 0 Not applicable because previously submitted
information to the NPDES .ermittin• authorit .
Page 9

NPDES Permit Number Faality Name Modified Application Form 2A
NC00S6278 River Mill 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
Er Section 1: Basic Application
Information for All Applicants ❑ wl variance request(s) ❑ wl additional attachments
Section 2: Additional ❑ wl topographic map ❑ w/process flow diagram
Information ❑ wl additional attachments
wl Table A ❑ w/Table D
Section 3: Information on [a'
w/Table B ❑ w/additional attachments
d Effluent Discharges
❑ w/Table C
ifl
co Section 4: Not Applicable
0
a)
Section 5: Not Applicable
c)
= Section 6: Checklist and
Certification Statement ❑ w/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. 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
Marie Guziejka River Mill HOA President
Signature Date signed
71/G(vL44, LL z+2 o�., . ( 1/30/23
Page 10

NPDES Permit Number Facility Name Dutfall Number Modified Application Form 2A
NC0056278 River Mill WWTP 001 Modified March 2021
TABLE A.EFFLUENT PARAMETERS FOR ALL POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Methodr Include units)
Value Units Value Units Samples t
Biochemical oxygen demand
❑ML
ElBOD5 or❑CBOD5 7.1 MG/L 2.5 MG/L 4
❑MDL
(report one)
❑ML
Fecal coliform 1 #/100ML 1 #/100ML 4 ❑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 4
0 ML
Total suspended solids(TSS) 15 MG/L 9 MG/L 4 ❑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 .
NC0056278 River Mill 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 Number of Value Units Value Units Method' (include units Samples0 ML
_ )
Ammonia(as Nj 0.2 MG/L 0.2 MG/L 2 ❑MDL
Chlorine ❑ML
(total residual,TRC)2 19 UG/L 15 UG/L 9 ❑MDL
0 ML
Dissolved oxygen N/A ❑MDL
Nitrate/nitrite 21.6 MG/L 21.6 MG/L 1 ❑ML
❑MDL
0 ML
Kjeldahl nitrogen 1.10 MG/L 1.10 MG/L 1 ❑MDL
0 ML
Oil and grease N/A ❑MDL
❑ML
Phosphorus 2.27 MG/L 2.27 MG/L 1 ❑MDL
❑ML
Total dissolved solids N/A ❑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

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A .
NC0056278 River Mill 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 Method, (include units)
Samples
Metals,Cyanide,and Total Phenols
0 ML
Hardness(as CaCO3) ❑MDL
O ML
Antimony,total recoverable ❑MDL
❑ML
Arsenic,total recoverable ❑MDL
0 ML
Beryllium,total recoverable ❑MDL-
Cadmium,total recoverable ❑ML
❑MDL
Chromium,total recoverable ❑ML
❑MDL
O ML
Copper,total recoverable _ ❑MDL
❑ML
Lead,total recoverable 0 MDL
❑ML
Mercury,total recoverable ❑MDL
Nickel,total recoverable ❑ML
❑MDL
Selenium,total recoverable ❑ML
❑MDL
❑ML
Silver,total recoverable ❑MDL
❑ML
Thallium,total recoverable ❑MDL
Zinc,total recoverable ❑ML
❑MDL
❑ML
Cyanide ❑MDL
D ML
Total phenolic compounds ❑MDL
Volatile Organic Compounds
Acrolein ❑ML
❑MDL
0 ML
Acrylonitrile _ ❑MDL
Benzene ❑ML
❑MDL
Bromoform ❑ML
❑MDL
EPA Form 3510-2A(Revised 3-19) Page 13

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0056278 River Mill WWTP Modified March 2021
TABLE C. EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant
Value Units Value Units Number of Methods (include units)
Samples
Carbon tetrachloride ❑ML
❑MDL
Chlorobenzene ❑ML
❑MDL
Chlorodibromomethane ❑ML
❑MDL
Chloroethane ❑ML
_ ❑MDL
E ML
2-chloroethylvinyl ether ❑MDL
Chloroform ❑ML
❑MDL
Dichlorobromomethane ❑ML
❑MDL
1,1-dichloroethane ❑ML
❑MDL
I
1,2 dichloroethane —.-- ❑ML
❑MDL
E ML
trans-1,2-dichloroethylene ❑MDL
0 ML
1,1-dichloroethylene _ ❑MDL
O ML
1.2-dichloropropane ❑MDL
0 ML
1,3-dichloropropylene ❑MDL
O ML
Ethylbenzene ❑MDL
O ML
Methyl bromide ❑MDL
❑ML
Methyl chloride ❑MDL
❑ML
Methylene chloride ❑MDL
1,1,2,2-tetrachloroethane ❑ML
_ CD MDL
D ML
Tetrachloroethylene ❑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
Modified March 2021
NC0056278 River Mill WWTP
TABLE C. EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Value Units Value Units Number of Method, (include units)
Samples
❑ML
Trichloroethylene 0 MDL
❑ML
Vinyl chloride 0 MDL
Acid-Extractable Compounds
0 ML
p-chloro-m-cresol 0 MDL
0 ML
2-chlorophenol 0 MDL
0 ML
2,4-dichlorophenol 0 MDL
0 ML
2,4-dimethylphenol _ 0 MDL
❑ML
4.6-dinitro-o-cresol 0 MDL
0 ML
2,4-dinitrophenol ❑MDL
❑ML
2-nitrophenol ❑MDL
0 ML
4-nitrophenol _ ❑MDL
❑ML
Pentachlorophenol 0 MDL
❑ML
Phenol ❑MDL
O ML
2,4,6-trichlorophenol 0 MDL
Base-Neutral Compounds
❑ML
Acenaphthene ❑MDL
❑ML
Acenaphthylene 0 MDL
❑ML
Anthracene ❑MDL
Benzidine 0 ML
❑MDL
0 ML
Benzo(a)anthracene ❑MDL
❑ML
Benzo(a)pyrene ❑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 .
Modified March 2021
NC0056278 River Mill WWTP
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
O ML
Benzo(ghi)perylene ❑MDL
E ML
Benzo(k)fluoranthene ❑MDL
0 ML
Bis(2-chloroethoxy) methane ❑MDL
Bis(2-chloroethyl)ether ❑MDL
0 ML
Bis(2-chloroisopropyl)ether ❑MDL
O ML
Bis(2-ethylhexyl)phthalate ❑MDL
0 ML
4-bromophenyl phenyl ether ❑MDL
0 ML
Butyl benzyl phthalate ❑MDL
0 ML
2-chloronaphthalene ❑MDL
0 ML
4-chlorophenyl phenyl ether ❑MDL
El ML
Chrysene ❑MDL
0 ML
di-n-butyl phthalate ❑MDL
0 ML
di-n-octyl phthalate ❑MDL
CI ML
Dibenzo(a,h)anthracene ❑MDL
1.2-dichlorobenzene ❑ML
❑MDL
1,3 dichlorobenzene ❑ML
❑MDL
1,4-dichlorobenzene ❑ML
❑MDL
3,3-dichlorobenzidine ❑ML
❑MDL
0 ML
Diethyl phthalate ❑MDL
0 ML
Dimethyl phthalate ❑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
NC0056278 River Mill WWTP Modified March2021
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
▪ML
1,2-diphenylhydrazine ❑MDL
Fluoranthene ❑ML
❑MDL
Fluorene ❑ML
❑MDL
Hexachlorobenzene E ML
❑MDL
Hexachlorobutadiene E ML
❑MDL
▪ML
Hexachlorocyclo-pentadiene ❑MDL
•
Hexachloroethane ❑ML
❑MDL
ML
Indeno(1,2,3-cd)pyrene ❑MDL
ML
Isophorone ❑MDL
0 ML
Naphthalene 0 MDL
Nitrobenzene ❑ML
❑MDL
0 ML
N-nitrosodi-n-propylamine _ ❑MDL
ML
N-nitrosodimethylamine ❑MDL
ML
N-nitrosodiphenylamine ❑MDL
Phenanthrene ❑ML
❑MDL
❑ML
Pyrene ❑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

NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
Modified March 2021
NC0056278 River Mill WWTP
TABLE D.ADDITIONAL POLLUTANTS AS REQUIRED BY NPDES PERMITTING AUTHORITY
Pollutant Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
(list) Value Units Value Units Number of 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
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