NC0032115_Renewal (Application)_20220407

: �rxSTATE
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4:7-
ROY COOPER fy._ '�
Governor
ELIZABETH S.BISER `• ^"
Secretary
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
April 07, 2022
Town of Banner Elk
Attn: Rick Owen, Town Manager
PO Box 2049
Banner Elk, NC 28604-2049
Subject: Permit Renewal
Application No. NC0032115
Banner Elk WWTP
Avery County
Dear Applicant:
The Water Quality Permitting Section acknowledges the April 6, 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,
bci it ei POIC\-Wai
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
cc: Paul Isenhour-WQ Lab &Operations, Inc.
ec: WQPS Laserfiche File w/application
DE ^v North Carolina Department of Environmental Quality I nn ision of rth Cr Resources
--`` `7/,y1t ^shevllle Regional Offl[e 2090 U.S.Highway 70 I Swannanoa.North Carolina 28778
^\ 828.296.4500

North Carolina
Department of Environmental Quality Modified Application Form 2A
Division of Water Resources Revised March 2021
1bWr4 Of tiANNER ELV,
Modified Application
Form 2A
Minor Sewage Facilities < 0. 1 MGD
and No Pretreatment Program
RECEIVED
NPDES Permitting Program APR 06 2022
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
• NC0032115 Banner Elk 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
Banner Elk WWTP
Mailing address(street or P.O.box)
P.O.Box 2049
City or town State ZIP code
o Banner Elk NC 28604
Contact name(first and last) Title Phone number Email address
cRick Owen Town Manager [phone] manager@townofbannerelk Rc..Or5
Location address(street,route number,or other specific identifier) ❑ Same as mailing address
cts Mill Pond Road,1/4 mile west of Hwy 184 near Banner Elk
w
City or town State ZIP code
Banner Elk NC 28604
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?
El Yes ❑ No 4 SKIP to Item 1.4.
Applicant name
Water Quality Lab and Operations,Inc.
Applicant address(street or P.O.box)
0
P.O.Box 1167
City or town State ZIP code
Banner Elk NC 28604
Contact name(first and last) Title Phone number Email address
Paul Isenhour President [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 ✓❑ 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
,3 0 NPDES(discharges to surface ❑ RCRA(hazardous waste) ❑ UIC(underground injection
water) control)
NC0032115
o ❑ PSD(air emissions) ❑ Nonattainment program(CM) 0 NESHAPs(CM)
rn
❑ Ocean dumping(MPRSA) ❑ Dredge or fill(CWA Section ❑ Other(specify)
404)
Page 1

r
NPDES Permit Number Facility Name Modified Application Form 2A
NC0032115 Banner Elk WWTP Modified March 2021
1.7 Provide the collection system information requested below for the treatment works.
Municipality Population Collection System Type
Served Served (indicate percentage) Ownership Status
Residential& 1407 100 %separate sanitary sewer 0 Own 0 Maintain
Z Commercial %combined storm and sanitary sewer 0 Own 0 Maintain
G) ❑ Unknown ❑ Own 0 Maintain
co %separate sanitary sewer ❑ Own 0 Maintain
%combined storm and sanitary sewer ❑ Own ❑ Maintain
0 Unknown 0 Own ❑ Maintain
a %separate sanitary sewer ❑ Own 0 Maintain
0 %combined storm and sanitary sewer 0 Own ❑ Maintain
co 0 Unknown 0 Own 0 Maintain
CD %separate sanitary sewer ❑ Own 0 Maintain
>. %combined storm and sanitary sewer ❑ Own ❑ Maintain
c 0 Unknown 0 Own ❑ Maintain
..F.') Total 1407
cu Population
o Served
Separate Sanitary Sewer System Combined Storm and
Sanitary Sewer
Total percentage of each type of 100 %
0/0
sewer line(in miles)
z' 1.8 Is the treatment works located in Indian Country?
C
oo ❑ Yes 0 No
c..)
R 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
0.600 mgd
= y Annual Average Flow Rates(Actual)
< ) Two Years Ago Last Year This Year
CO 0.2795 mgd 0.2760 mgd 0.2305 mgd
Maximum Daily Flow Rates(Actual)
o Two Years Ago Last Year This Year
0.7730 mgd 1.1230 mgd 0.9400 mgd
y 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
cu
a 2. Constructed
CD
Combined Sewer
Treated Effluent Untreated Effluent Bypasses Emergency
L .12 Overflows Overflows
o
N
0 1
Page 2

NPDES Permit Number Facility Name Modified Application Form 2A
• NC0032115 Banner Elk 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 E 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
O Continuous
gpd 0 Intermittent
❑ Continuous
gpd ❑ Intermittent
❑ Continuous
gpd ❑ Intermittent
w 1.14 Is wastewater applied to land?
❑ Yes ❑r No 4 SKIP to Item 1.16.
0 1.15 Provide the land application site and discharge data requested below.
CL y Land Application Site and Discharge Data
Average Daily Volume Continuous or
Location Size A lied Intermittent
pp (check one)
acres gpd ❑ Continuous
0 0 Intermittent
acresgpd 0 Continuous
0 ❑ Intermittent
-0 0 Continuous
acres gpd ❑ Intermittent
7, 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
NC0032115 Banner Elk 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
U
Contact name(first and last) Title
0
Phone number Email address
2
flNPDES number of receiving facility(if any) ❑ None Average daily flow rate mgd
<A
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)?
❑ 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
o Disposal Location of Size of Annual Average Continuous or Intermittent
Method Disposal Site Disposal Site Daily Discharge (check one)
Description Volume
acres gpd 0 Continuous
0 Intermittent
0 Continuous
acres gpd 0 Intermittent
acres d 0 Continuous
gp ❑ 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.
y 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
as Section 301(h)) 302(b)(2))
E 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
n and maintenance responsibilities.
Contractor Information
Contractor 1 Contractor 2 Contractor 3
o Contractor name Water Quality Labs
(company name)
Mailing address
0 P.O.Box 1167
(street or P.O.box)
City,state,and ZIP Banner Elk,NC 28604
R code
Contact name(first and
0 last) Paul Isenhour
Phone number [phone]
Email address [e-mail]
Operational and Operations&Plant
maintenance Maintenance
responsibilities of
contractor
Page 4

NPDES Permit Number Facility Name Modified Application Form 2A
NC0032115 Banner Elk 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?
al
0 El Yes ID No 4 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. 109800 gpd
Indicate the steps the facility is taking to minimize inflow and infiltration.
The Town cleans at least 10%of its lines annually and videos its lines at the annual rate of approximately 22%.The Town
also jets at least 20,000 feet of its lines each year.
0
c
• 2.3 Have you attached a topographic map to this application that contains all the required information?(See instructions for
R Li• it'
specific requirements.)
0
0 ❑✓ Yes ❑ No
E 2.4 Have you attached a process flow diagram or schematic to this application that contains all the required information?
o
(See instructions for specific requirements.)
• o ❑✓ 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
'T4 1 New Mechanical Bar Screen
d
2.New Secondary Clarifier
0 0
3.Refurbish exissting secondary clarifier
0 4.Upgrade UV system
a
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
o Outfalls Operational
Improvement Construction Construction Discharge
(from above) (list Level
l (MM/DD/YYYY) (MM/DD/YYYY) (MM/DD/YYYY)
numberber)) (MM/DD/YYYY)
m See Below
1.
a
m --
L
v 2.
N
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:
The Town is working with an engineering firm as part of its CIP regarding future upgrades.We do not have scheduled
dates for the above at the time of submission of this permit renewal application.
Page 5

NPDES Permit Number Facility Name Modified Application Form 2A
NC0032115 Banner Elk 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
Avery
A County
City or town Banner Elk
0
s Distance from shore ft. ft. ft.
o.
Depth below surface ft. ft. ft.
CD
Average daily flow rate 0.262 mgd mgd mgd
Latitude „o �vi6o' N "
Longitude o " v❑ '
3.2 Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
o ❑ Yes El No 4 SKIP to Item 3.4.
R 3.3 If so,provide the following information for each applicable outfall.
Outfall Number Outfall Number Outfall Number
Number of times per year
0 discharge occurs
Average duration of each
`o discharge(specify units)
rts
c Average flow of each mgd mgd mgd
discharge
Months in which discharge
occurs
3.4 Are any of the outfalls listed under Item 3.1 equipped with a diffuser?
❑ Yes ❑ No 4 SKIP to Item 3.6.
C, 3.5 Briefly describe the diffuser type at each applicable outfall.
o.
Outfall Number Outfall Number Outfall Number
Vl
o ui 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?
❑ Yes ❑ No-SKIP to Section 6.
Page 6

NPDES Permit Number FacilityName ModifiedApplication Form 2A
App cat o 0
NC0032115 Banner Elk WWTP Modified March 2021
3.7 Provide the receiving water and related information(if known)for each outfall.
Outfall Number owl Outfall Number Outfall Number
Receiving water name Mill Pond
Name of watershed,river,
a or stream system Elk River
Q- U.S.Soil Conservation
•L
Service 14-digit watershed
code
Name of state
management/river basin Watauga River Basin
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 001 Outfall Number Outfall Number
Highest Level of ❑ 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
❑ Advanced 0 Advanced 0 Advanced
O Other(specify) 0 Other(specify) ❑ Other(specify)
0
c Design Removal Rates by
Outfall
N
G1
BODs or CBODs 90
E '
TSS 90 % oio
❑ Not applicable 0 Not applicable 0 Not applicable
Phosphorus 85 % % %
0 Not applicable 0 Not applicable 0 Not applicable
Nitrogen 85 % o 0
/o /o
Other(specify) 0 Not applicable 0 Not applicable 0 Not applicable
Page 7

NPDES Permit Number Facility Name Modified Application Form 2A
NC0032115 Banner Elk WWTP Modified March 2021
3.9 Describe the type of disinfection used for the effluent from each outfall in the table below. If disinfection varies by
season,describe below.
UV Disinfection
v
m
c i
0
U
c Outfall Number Outfall Number Outfall Number
Disinfection type
M
d
Seasons used
co
E _
Dechlorination used? ❑ Not applicable El Not applicable ❑ Not applicable
El Yes ❑ Yes El Yes
❑ No El No El No
3.10 Have you completed monitoring for all Table A parameters and attached the results to the application package?
El Yes El 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 ElNo 4 SKIP to Item 3.13.
Indicate the number of acute and chronic WET tests conducted since the lastpermit reissuance of the facility's
3.12 tY
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
F 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?
El 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?
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?
El Yes No additional sampling required by NPDES
permitting authority.
Page 8

NPDES Permit Number Facility Name Modified Application Form 2A
NC0032115 Banner Elk 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
(MMIDDIYYYY)
-o
0
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 3 SKIP to Item 3.26.
co 3.23 Describe the cause(s)of the toxicity:
d
w
w
3.24 Has the treatment works conducted a toxicity reduction evaluation?
❑ Yes ❑ No 4 SKIP to Item 3.26.
3.25 Provide details of any toxicity reduction evaluations conducted.
3.26 Have you completed Table E for all applicable outfalls and attached the results to the application package?
❑ Yes 1-1 Not applicable because previously submitted
information to the NPDES ermittin authori .
Page 9

—� NPDES Permit Number Facility Name Modified Application Form 2A
• NC0032115 Banner Elk 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) ❑ wl additional attachments
Information for All Applicants
❑ Section 2:Additional E w/topographic map ❑✓ w/process flow diagram
Information ❑ w/additional attachments
w/Table A ❑ w/Table D
❑ Section 3: Information on ✓❑ w/Table B ❑ w/additional attachments
Effluent Discharges
❑✓ w/Table C
Section 4:Not Applicable
0
R
C)
Section 5: Not Applicable
d
(.)
❑✓ Section 6:Checklist and ❑ w/attachments
Certification Statement
17)
Y 6.2 Certification Statement
U
CD, 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.lam 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
Paul Isenhour President
Signature Date signed
(5/22_
Page 10

NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0032115 Banner Elk 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 Methods (include
Value Units Value Units Samples units)
Biochemical oxygen demand
0 ML
o BOD5 or❑CBOD5 45.3 mg/L 4.57 mg/L 468 SM-5210B 2.0 mg/L z MDL
(report one)
0 ML
Fecal coliform 6000 cfu/100mL 23.63 cfu/100mL 468 SM-9222D 1.0 mg/L O MDL
Design flow rate 1.123 MGD 0.262 MGD Continuous
pH(minimum) 6.0 s/u
pH(maximum) 7.7 s/u
Temperature(winter) 16 Degrees Celsius 10.69 Degrees Celsius 300
Temperature(summer) 23 Degrees Celsius 17.99 Degrees Celsius 420
Total suspended solids(TSS) 20 mg/L 1.1355 mg/L 468 SM-2540D 0 ML
2.5 mg/L O 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
NC0032115 Banner Elk WWTP 001 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)
0 ML
Ammonia(as N) 17.9 mg/L 0.843 mg/L 468 SM-4500F 0.1 mg/L 2 MDL
Chlorine ❑ML
(total residual,TRC)2 N/A N/A N/A N/A N/A N/A N/A 0 MDL
o ML
Dissolved oxygen N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Nitrate/nitrite 19.2 mg/L 6.19 mg/L 6 SM19 4500-N 0.08 mg/L a MDL
0 ML
Kjeldahl nitrogen 8.96 mg/L 6.81 mg/L 6 EPA 351.2 0.52 mg/L l MDL
0 ML
Oil and grease N/A N/A N/A N/A N/A N/A N/A l2 MDL
OML
Phosphorus 2.73 mg/L 1.64 mg/L 6 EPA 365.1 0.05 mg/L O MDL
0 ML
Total dissolved solids N/A N/A N/A N/A N/A N/A N/A 0 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

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0032115 Banner Elk WWTP 001 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
Metals,Cyanide,and Total Phenols
0 ML
Hardness(as CaCO3) N/A N/A N/A N/A N/A N/A N/A ll MDL
CHM
Antimony,total recoverable N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Arsenic,total recoverable N/A N/A N/A N/A N/A N/A N/A 0 MDL
O ML
Beryllium,total recoverable N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Cadmium,total recoverable N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Chromium,total recoverable N/A N/A N/A N/A N/A N/A N/A 0 MDL
ML
Copper,total recoverable N/A N/A N/A N/A N/A N/A N/A O MDL
ML
Lead,total recoverable N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Mercury,total recoverable ND ug/L ND ug/L 1 EPA 245.1 0.20 l2 MDL
0 ML
Nickel,total recoverable N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Selenium,total recoverable N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Silver,total recoverable N/A N/A N/A N/A N/A N/A N/A ❑MDL
0 ML
Thallium,total recoverable N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Zinc,total recoverable N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Cyanide N/A N/A N/A N/A N/A N/A N/A ❑MDL
0 ML
Total phenolic compounds N/A N/A N/A N/A N/A N/A N/A 0 MDL
Volatile Organic Compounds
ML
Acrolein N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Acrylonitrile N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Benzene N/A N/A N/A N/A N/A N/A N/A ❑MDL
0 ML
Bromoform N/A N/A N/A N/A N/A N/A N/A 0 MDL
EPA Form 3510-2A(Revised 3-19) Page 13

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EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0032115 Banner Elk WWTP 001 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
I
0 ML
Trichloroethylene N/A N/A N/A N/A N/A N/A N/A ❑MDL
0 ML
Vinyl chloride N/A N/A N/A N/A N/A N/A N/A ❑MDL
Acid-Extractable Compounds
0 ML
p-chloro-m-cresol N/A N/A N/A N/A N/A N/A N/A El MDL
0 ML
2-chlorophenol N/A N/A N/A N/A N/A N/A N/A ❑MDL
0 ML
2,4-dichlorophenol N/A N/A N/A N/A N/A N/A N/A ❑MDL
0 ML
2,4-dimethylphenol N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
4,6-dinitro-o-cresol N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
2,4-dinitrophenol N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
2-nitrophenol N/A N/A N/A N/A N/A N/A N/A ❑MDL
0 ML
4-nitrophenol N/A N/A N/A N/A N/A N/A N/A ❑MDL
0 ML
Pentachlorophenol N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Phenol N/A N/A N/A N/A N/A N/A N/A ❑MDL
0 ML
2,4,6-trichlorophenol N/A N/A N/A N/A N/A N/A N/A ❑MDL
Base-Neutral Compounds
0 ML
Acenaphthene N/A N/A N/A N/A N/A N/A N/A :limn
CHML
Acenaphthylene N/A N/A N/A N/A N/A N/A N/A ❑MDL
0 ML
Anthracene N/A N/A N/A N/A N/A N/A N/A ❑MDL
ML
Benzidine N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Benzo(a)anthracene N/A N/A N/A N/A N/A N/A N/A ❑MDL
0 ML
Benzo(a)pyrene N/A N/A N/A N/A N/A N/A N/A ❑MDL
0 ML
3,4-benzofluoranthene N/A N/A N/A N/A N/A N/A N/A ❑MDL
EPA Form 3510-2A(Revised 3-19) Page 15

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EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0032115 Banner Elk WWTP 001 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
0 ML
1,2-diphenylhydrazine N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Fluoranthene N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Fluorene N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Hexachlorobenzene N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Hexachlorobutadiene N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Hexachlorocyclo-pentadiene N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Hexachloroethane N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Indeno(1,2,3-cd)pyrene N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Isophorone N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Naphthalene N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Nitrobenzene N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
N-nitrosodi-n-propylamine N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
N-nitrosodimethylamine N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
N-nitrosodiphenylamine N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Phenanthrene N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
Pyrene N/A N/A N/A N/A N/A N/A N/A 0 MDL
0 ML
1,2,4-trichlorobenzene N/A N/A N/A N/A N/A N/A 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).
EPA Form 3510-2A(Revised 3-19) Page 17

NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0032115 Banner Elk 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
CI 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
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 18

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Mill Pond Road, Banner Elk 28604
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Sub-Basin#:04-02-01 36.1575°
-81.8861°W
HUC:060101030201 SCALE
River Basin:Watauga NC Grid: N,
C11Nw
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