NC0037371_Renewal (Application)_20231018

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ROY COOPER , 42,
Governor d�
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ELIZABETH S.BISER 'Nu
4 QWM s✓
Secretary ,,t �n--"
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
October 18, 2023
Iredell-Statesville Schools
Attn: Steve Sharpe
350 Old Murdock Rd
Troutman, NC 28166-9699
Subject: Permit Renewal
Application No. NC0037371
North Iredell High School
Iredell County
Dear Applicant:
The Water Quality Permitting Section acknowledges the October 18, 2023, receipt of your permit renewal application and
1 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://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,5f/Mfit � ,�
►tZ""..��c�.r
Wren Thedford
Administrative Assistant I
Water Quality Permitting Section
cc: Madelyn Mills-Envirolink, Inc
ec: WQPS Laserfiche File w/application
D_E Q? NorthMooresville CarolinaRegio DepnalartmOfficeent of
610 Eas EnvirotnmentaCenterl QAualityvenue.S Divisionuite301 I ofMooresville,Water Resources
North Carolina 28115
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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
ECEwED
OCT 18 2023
NPDES Permitting Program
NCDEQ/DWR/NPDES
Note: Complete this form if your facility is a MINOR new or existing publicly owned treatment works.

NPDES Permit Number Facility Name Modified Application Form 2A
NC0037371 North Iredell High School 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 1. BASIC APPLICATION INFORMATION FOR ALL APPLICANTS(40 CFR 122.21(j)(1)and(9))
1.1 Facility name
North Iredell High School WWTP
Mailing address(street or P.O.box)
350 Old Murdock Rd.
City or town State ZIP code
o Troutman NC 28166
Contact name(first and last) Title Phone number Email address
w Steve Sharpe Supervisor
p [phone] [e-mail]
Location address(street,route number,or other specific identifier) ❑ Same as mailing address
156 Raider Rd.
'a
City or town State ZIP code
Olin NC 28660
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-SKIP to Item 1.4.
Applicant name
Madelyn Mills,Envirolink,Inc.
Applicant address(street or P.O.box)
773 Sanford Avenue
€ City or town State ZIP code
Mocksville NC 27080
Contact name(first and last) Title Phone number Email address
Q Madelyn Mills Compliance Coordinator [phone] [e-mail]
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 El 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.)
E. Existing Environmental Permits
a.
r❑ NPDES(discharges to surface ! ❑ RCRA(hazardous waste) ❑ UIC(underground injection
water) control)
NC0037371
o ❑ PSD(air emissions) ❑ Nonattainment program(CAA) ❑ NESHAPs(CM)
H ❑ Ocean dumping(MPRSA) ❑ Dredge or fill(CWA Section ❑ Other(specify)
404)
Page 1

NPDES Permit Number Facility Name Modified Application Form 2A
NC0037371 North Iredell High School 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)
1100 no %separate sanitary sewer 0 Own 0 Maintain
a) %combined storm and sanitary sewer 0 Own ❑ Maintain
w 0 Unknown 0 Own 0 Maintain
c %separate sanitary sewer 0 Own 0 Maintain
g %combined storm and sanitary sewer 0 Own 0 Maintain
0 Unknown 0 Own 0 Maintain
a %separate sanitary sewer ❑ Own ❑ Maintain
%combined storm and sanitary sewer 0 Own 0 Maintain
14 ❑ Unknown 0 Own 0 Maintain
E %separate sanitary sewer 0 Own ❑ Maintain
�n %combined storm and sanitary sewer 0 Own CI Maintain
c 0 Unknown 0 Own 0 Maintain
Total uoo
w Population
ci Served
Separate Sanitary Sewer System Combined Storm and
Sanitary Sewer
Total percentage of each type of 100 % °/°sewer line(in miles)
a' 1.8 Is the treatment works located in Indian Country?
'o ❑ Yes ❑ No
U
c 1.9 Does the facility discharge to a receiving water that flows through Indian Country?
as
c ❑ Yes 2 No
1.10 Provide design and actual flow rates in the designated spaces. Design Flow Rate
0.0125 mgd
= N Annual Average Flow Rates(Actual)
a Two Years Ago Last Year This Year
CIS
0 0.0032 mgd 0.0043 mgd 0.003 mgd
'0" Maximum Daily Flow Rates(Actual)
In Two Years Ago Last Year This Year
0.0149 mgd 0.009 mgd 0.0276 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
T Constructed
CD
a)I— Treated Effluent Untreated Effluent Combined Sewer Bypasses Emergency
Overflows Overflows
C)
0 1 0 0 0 0
Page 2

1
NPDES Permit Number Facility Name Modified Application Form 2A
NC0037371 North Iredell High School 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
O Continuous
gpd 0 Intermittent
2 1.14 Is wastewater applied to land?
❑ Yes ❑ No 4 SKIP to Item 1.16.
0 1.15 Provide the land application site and discharge data requested below.
L Land Application Site and Discharge Data
o Continuous or
Location Size Average Daily Volume Intermittent
Applied (check one)
N acres d 0 Continuous
gp 0 Intermittent
0 Continuous
acres
o gpd ❑ Intermittent
acresgpd 0 Continuous
0 Intermittent
R 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?
0 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
NC0037371 North Iredell High School 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)
.2 City or town State ZIP code
0
Contact name(first and last) Title
0
d Phone number Email address
aNPDES number of receiving facility(if any) ❑ None Average daily flow rate mgd
Co
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)?
CIS ❑ Yes El No 4 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 Location of Size of Annual Average Continuous or Intermittent
R Method Description Disposal Site Disposal Site Daily Discharge
Volume (check one)
Tti
acres d 0 Continuous
gp ❑ Intermittent
0 Continuous
acres gpd 0 Intermittent
acres gpd 0 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.
d w Consult with your NPDES permitting authority to determine what information needs to be submitted and when.)
c ❑ Discharges into marine waters(CWA ❑ Water quality related effluent limitation(CWA Section
u Section 301(h)) 302(b)(2))
❑ Not applicable
1.24 Are any operational or maintenance aspects(related to wastewater treatment and effluent quality)of the treatment works
the responsibility of a contractor?
❑ Yes ❑ No+SKIP to Section 2.
1.25 Provide location and contact information for each contractor in addition to a description of the contractor's operational
and maintenance responsibilities.
Contractor Information
Contractor 1 Contractor 2 Contractor 3
Contractor name
(company name) Envirolink,Inc.
E
o Mailing address
c (street or P.O.box) 773 Sanford Avenue
City,state,and ZIP
code Mocksville,NC,27028
co
c Contact name(first and Madelyn Mills
c.) last)
Phone number [phone]
Email address [e-mail]
Operational and Provides ORC,BORC,
maintenance generalized O&M and
responsibilities of reporting for the facility
contractor
Page 4

NPDES Permit Number Facility Name Modified Application Form 2A
NC0037371 North Iredell High School 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?
0)
o ❑ Yes 0 No+SKIP to Section 3.
0 2.2 Provide the treatment works'current average daily volume of inflow Average Daily Volume of Inflow and Infiltration
and infiltration.
gpd
Indicate the steps the facility is taking to minimize inflow and infiltration.
� I
0
0
2.3 Have you attached a topographic map to this application that contains all the required information?(See instructions for
r3 Ct. specific requirements.)
rn.
0
Fo ❑✓ Yes ❑ No
E 2.4 Have you attached a process flow diagram or schematic to this application that contains all the required information?
oal (See instructions for specific requirements.)
a,
�y R
o ❑✓ Yes ❑ No
2.5 Are improvements to the facility scheduled?
❑ Yes ❑ No+SKIP to Section 3.
= Briefly list and describe the scheduled improvements.
0
C
1.
d
E
2.
3.
0)
d
U)
4.
g 2.6 Provide scheduled or actual dates of completion for improvements.
Scheduled or Actual Dates of Com•letion for Improvements _
EAffected Attainment of
Scheduled Begin End Begin
2Outfalls Operational
Improvement Construction Construction Discharge
utfall Level
• above) ,b �e �� e� MM/DD/YYYY)
d
z 1.
U 2.
co
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
NC0037371 North Iredell High School 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 o01 Outfall Number Outfall Number
State North Carolina
County Iredell
'
o City or town Olin
0
c
s Distance from shore ft. ft. ft.
c
d Depth below surface ft. ft. ft.
0
Average daily flow rate mgd mgd mgd
Latitude 35° 55' 30" N ° " °
Longitude 80° 52' 00" w °
3.2 Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
co
o ❑ Yes ❑ No +SKIP to Item 3.4.
a,
3.3 If so,provide the following information for each applicable outfall.
N Outfall Number Outfall Number Outfall Number
0
a Number of times per year
0 discharge occurs
a Average duration of each
o discharge(specify units)
oAverage flow of each mgd mgd mgd
o discharge
in Months in which discharge
occurs
3.4 Are any of the outfalls listed under Item 3.1 equipped with a diffuser?
E Yes ❑ No 4 SKIP to Item 3.6.
3.5 Briefly describe the diffuser t pe at each applicable outfall.
CD
'`
r—
Outfall Number Outfall Number_.. Outfall Number
;, — — i
7 1
0
5 .i 3 6 Does the treatment works discharge or plan to discharge wastewater to waters of the State of North Carolina from
d one or more discharge points?
❑ Yes ❑ No+SKIP to Section 6.
Page 6

NPDES Permit Number Facility Name Modified Application Form 2A
NC0037371 North Iredell High School 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 Patterson Creek
Name of watershed,river, Yadkin Pee Dee
c or stream system
U.S.Soil Conservation
Service 14-digit watershed
code
Name of state
management/river basin Yadkin Pee-Dee River Basin
U.S.Geological Survey
8-digit hydrologic
ce 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 ❑ Equivalent to 0 Equivalent to 0 Equivalent to
apply per outfall) secondary secondary secondary
O Secondary ❑ Secondary 0 Secondary
❑ Advanced 0 Advanced 0 Advanced
❑ Other(specify) 0 Other(specify) ❑ Other(specify)
0
0. Design Removal Rates by
Outfall
H
BODs or CBODs 0/0
a
TSS
I
❑Not applicable 0 Not applicable 0 Not applicable
Phosphorus
0/0
0 Not applicable 0 Not applicable 0 Not applicable
Nitrogen %
Other(specify) 0 Not applicable 0 Not applicable 0 Not applicable
Page 7

NPDES Permit Number Facility Name Modified Application Form 2A
NC0037371 North Iredell High School 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
C
0
Outfall Number 001 Outfall Number Outfall Number
0
- Disinfection type Chlorine
V
N
0
Seasons used All
Dechlorination used? ❑ Not applicable ❑ Not applicable ❑ Not applicable
El Yes El Yes ❑ Yes
El No ❑ No El No
3.10 Have you completed monitoring for all Table A parameters and attached the results to the application package?
El 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?
El 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.
Outfall Number Outfall Number Outfall Number
Acute Chronic Acute Chronic Acute Chronic
rn
Number of tests of discharge
= water
cuNumber 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?
❑� Yes El 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
NC0037371 North Iredell High School 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?
El 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)
-o
m
0
w3.22 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.
3.23 Describe the cause(s)of the toxicity:
a,
w
3.24 Has the treatment works conducted a toxicity reduction evaluation?
❑ Yes 0 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 .ermittin. authori .
Page 9

NPDES Permit Number Facility Name Modified Application Form 2A
NC0037371 North Iredell High School 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 ❑ w/variance request(s) ❑ w/additional attachments
Information for All Applicants
❑ Section 2:Additional w/topographic map wl process flow diagram
Information ❑ w/additional attachments
w/Table A ❑ w/Table D
❑ Section 3: Information on ✓❑ w/Table B ❑ w/additional attachments
c Effluent Discharges
❑ w/Table C
is
Section 4:Not Applicable
0
.iv
w Section 5: Not Applicable
Section 6:Checklist and
❑ ❑ w/attachments
Certification Statement
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
Madelyn Mills Compliance Coordinator
Signature Date signed
09/29/2023
Page 10

NPDES Permit Number Faality Name Outfall Number Modified Application Form 2A
NC0037371 North Iredell High School WWTP Modified March 2021
TABLE A.EFFLUENT PARAMETERS FOR ALL POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant
Value Units Value Units NEM Method' (include units)
Biochemical oxygen demand
0 ML
a BOD5 or o CBOD5 59.7 mg/L 10.824 mg/L 92 SM5210B-2011 2.0 8 MDL
re r ort one
ML
Fecal coliform 2419.6 MPN/100 ml 11.984 MPN/100 ml 92 IDEXX Colilert 18 M' 1 ©MDL
Design flow rate 0.0171 MGD .0035 MGD 92
pH(minimum) 6.20 su
pH(maximum) 8.37 SU
Temperature(winter) 22.6 C 12.575 C 46
Temperature(summer) 27.7 C 22.355 C 46
0 ML
Total suspended solids(TSS) 145.8 mg/L 11.430 mg/L 92 SM2540D-2011 2.5 ❑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 Faality Name Outfall Number Modified Application Form 2A
NC0037371 North Iredell High School 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 Methods (include
Value Units Value Units Samples units)
▪ML
Ammonia(as N) 76.16 mg/L 18.873 mg/L 92 SM45O0NH3C-2011 0.1 p MDL
Chlorine 0 ML
(total residual,TRC)2 49 ug/L 16.192 ug/L 92 SM 4500 CI G-2011 15 ©MDL
Dissolved oxygen N/A o MDL
ML
Nitrate/nitrite 95.31 mg/L 44.851 mg/L S SM45O0E-2011 0.10 O MDL
❑ML
Kjeldahl nitrogen N/A 0 MDL
▪mL
Oil and grease N/A ❑MDL
ML
Phosphorus 3.80 mg/L 2.231 mg/L 8 SM4500PE-2011 0.020 tO MDL
Total dissolved solids N/A ❑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).
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

it
EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0037371 North lredell High School WWTP Modified March 2021
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Method, (include units)
Value Units Value Units Samples
Metals,Cyanide,and Total Phenols
❑ML
Hardness(as CaCOs) 0 MDL
Antimony,total recoverable ❑ML
❑MDL
Arsenic,total recoverable ❑ML
D MDL
Beryllium,total recoverable ❑ML
❑MDL
Cadmium,total recoverable D ML
D MDL
Chromium,total recoverable D ML
❑MDL
Copper,total recoverable ❑ML
❑MDL
Lead,total recoverable D ML
o MDL
Mercury,total recoverable o ML
❑MDL
Nickel,total recoverable ❑ML
❑MDL
Selenium,total recoverable ❑ML
D MDL
Silver,total recoverable D ML
D MDL
Thallium,total recoverable D ML
D MDL
Zinc,total recoverable o ML
D MDL
Cyanide ❑ML
❑MDL
Total phenolic compounds o ML
❑MDL
Volatile Organic Compounds
Acrolein ❑ML
D MDL
Acrylonitrile D ML
❑MDL
Benzene D ML
❑MDL
Bromoform D ML
0 MDL
EPA Form 3510-2A(Revised 3-19) Page 13

•
•
EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0037371 North Iredell High School WWTP Modified March 2021
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Method, (include units)
Value Units Value Units Samples
Carbon tetrachloride 0 ML
❑MDLML
Chlorobenzene o MDL
Chlorodibromomethane o ML
0 MDL
Chloroethane ❑ML
0 MDL
ML
2-chloroethylvinyl ether 0 MDL
Chloroform ❑ML
0 MDL
• Dichlorobromomethane ❑ML
❑MDL
1,1-dichloroethane 0 ML
❑MDL
1,2-dichloroethane 0 ML
❑MDL
mL
trans-1,2-dichloroethylene ❑MDL
1,1-dichloroethylene �MDL
ML
1,2-dichloropropane 0 mDL
ML
1,3-dichloropropylene o MDL
ML
Ethylbenzene 0 MDL
• Methyl bromide 0 MDL
❑ML
Methyl chloride 0 MDL
0 ML
Methylene chloride o MDL
1,1,2,2-tetrachloroethane ❑ML
❑MDL
Tetrachbroethylene ❑MDL
Toluene ❑ML
❑MDL
1,1,1-trichloroethane o ML
❑MDL
1,1,2-trichloroethane o 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
NC0037371 North tredell High School WWTP Modified March 2021
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Method, (include units)
Value Units Value Units Samples
Trichloroethylene ❑ML
❑MDL
Vinyl chloride ❑ML
O MDL
Acid-Extractable Compounds
p-chloro-m-cresol ❑ML
❑MDL
2-chlorophenol 0 ML
MDL
2,4-dichlorophenol ❑ML
0 MDL
2,4-dimethylphenol ❑ML
❑MDL
4,6-dinitro-o-cresol 0 ML
❑MDL
ML
2,4-dinitrophenol ❑MDL
henol 0 ML
2-nitro
phenol ❑MDL
ML
4-nitrophenol 0 MDL
ML
Pentachlorophenol ❑MDL
Phenol 0 ML
❑MDL
0 ML
2,4,6-trichlorophenol ❑MDL
Base-Neutral Compounds
ML
Acenaphthene 0 MDL
0 ML
Acenaphthylene ❑MDL
Anthracene 0 ML
❑MDL
Benzidine ❑ML
❑MDL
Benzo(a)anthracene 0 ML
❑MDL
Benzo(a)pyrene 0 ML
❑MDL
3,4-benzofluoranthene 0 ML
O MDL
EPA Form 3510.2A(Revised 3-19) Page 15

EPA Identificabon Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0037371 North Iredell High School W WTP Modified March 2021
TABLE C.EFFLUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Method, (include units)
Value Units Value Units Samples
ML
Benzo(ghi)perylene 0 MDL
Benzo(k)fluoranthene 0 ML
�MDL
mL
Bis(2-chloroethoxy)methane ❑MDL
Bis(2-chloroethyl)ether 0 MDL
ML
Bis(2-chloroisopropyl)ether 0 MDL
Bis(2-ethylhexyl)phthalate ❑▪MDL
ML
4-bromophenyl phenyl ether a MDL
0 ML
Butyl benzyl phthalate ❑MDL
ML
2-chloronaphthalene ❑MDL
ML
4-chlorophenyl phenyl ether ❑MDL
❑ML
Chrysene ❑MDL
CI ML
di-n-butyl phthalate ❑MDL
▪mL
di-n-octyl phthalate ❑MDL
Dibenzo(a,h)anthracene 0 MDL
1,2-dichlorobenzene 0 ML
❑MDL
1,3-dichlorobenzene 0 ML
❑MDL
1,4-dichlorobenzene 0 ML
❑MDL
3,3-dichlorobenzidine 0 ML
❑MDL
mL
Diethyl phthalate ❑MDL
ML
Dimethyl phthalate p MDL
2,4-dinitrotoluene 0 ML
❑MDL
2,6-dinitrotoluene 0 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
NC0037371 North Iredell High School 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
1,2-diphenylhydrazine ❑ML
0 MDL
Fluoranthene ❑ML
0 MDL
Fluorene ❑ML
❑MDL
Hexachlorobenzene ML
❑MDL
Hexachlorobutadiene ❑ML
0 MDL
Hexachlorocyclo-pentadiene ❑ML
0 MDL
Hexachloroethane ❑ML
❑MDL
Indeno(1,2,3-cd)pyrene 0 ML
0 MDL
Isophorone 0 ML
❑MDL
Naphthalene ❑ML
0 MDL
Nitrobenzene 0 ML
❑MDL
N-nitrosodi-n-propylamine ❑ML
❑MDL
N-nitrosodimethylamine ❑ML
❑MDL
N-nitrosodiphenylamine ❑ML
❑MDL
Phenanthrene ❑ML
0 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 O.See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2A(Revised 3-19) Page 17
it

NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0037371 North Iredell High School WWTP Modified March 2021
TABLE D.ADDITIONAL POLLUTANTS AS REQUIRED BY NPDES PERMITTING AUTHORITY
Pollutant Maximum Daily Discharge Average Daily Dischar a 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
O ML
❑MDL
❑ML
❑MDL
❑ML 1
❑MDL
❑ML
❑MDL
❑ML
❑MDL
0 ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
0 ML
0 MDL
❑ML
❑MDL
❑ML
❑MDL
El ML
❑MDL
0 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