NC0056561_Renewal (Application)_20200929

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ROY COOPER l —
Governor r5' 1(
1�
MICHAEL S. REGAN `. 9,..., ,, - '
Secretory .c-�*
S.DANIEL SMITH NORTH CAROLINA
Director Environmental Quality
September 29, 2020
Town of Maggie Valley
Attn: Nathan Clark, Town Manager
3987 Soco Rd
Maggie Valley, NC 28751
Subject: Permit Renewal
Application No. NC0056561
Maggie Valley WWTP
Haywood County
Dear Applicant:
The Water Quality Permitting Section acknowledges the September 28, 2020 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.
Sincerel
5/VAIOAQ12.A.--
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
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Nathan Clark
Town Manager
MAGGIE [e-mail]
I
Kii.NO&RTH
828.926.0866
R6
3987 Soco Road
Maggie Valley, NC 28751
September 22, 2020 RECEIVED
SEP 2 8 2020
NC DENR/ DWQ/NPDES
1617 Mail Service Center NCDEQ/DWRINPDES
Raleigh, NC 27699-1617
Re: Town of Maggie Valley
NPDES Permit#NCOO56561 Renewal
Haywood County, North Carolina
NC DENR/ DWQ/NPDES:
Please find enclosed one signed original and two copies of the Discharge Permit
Application Form for the Waste Water Treatment Plant renewal of the Town of Maggie
Valley's existing permit #NCOO56561.
The Town of Maggie Valley currently operates a 1.0-MGD wastewater treatment plant
(WWTP) and an alkaline sludge stabilization facility. The wastewater treatment facilities
include a mechanical influent bar screen, back-up manual bar screen, flow selector basin,
2 rectangular aeration basins, 2 rectangular Aero-Mod clarifiers, dual aeration blowers
for each aeration basin/clarifier(five (5) blowers total), three (3) sludge holding basins,
belt filter press, chlorination, a chlorine contact basin, sulfur dioxide dechlorination, and
effluent flow monitoring. The alkaline sludge stabilization facility includes a lime kiln
dust silo, a volumetric lime kiln dust feeder, a sludge mixer/blender, and a concrete
sludge drying/ storage pad. The stabilized sludge is stockpiled and offered to the public
for beneficial reuse applications.
Maggie Valley WWTP Process Description: Flow enters the Maggie Valley WWTP
through an 12"gravity sewer line to the influent screening channel. The influent screen
is a step screen with '/" openings. The wastewater then flows to a selector basin which
acts to mix the raw influent and return activated sludge. This flow is then split to two
treatment trains. Each train consists of first stage and second stage aeration basins. The
first stage aeration basins are aerated by fine bubble diffusers and the second stage basins
are aerated with coarse bubble aeration. Second stage aeration cycles on and off to
promote denitrification prior to clarification. Following aeration the wastewater flows to
Where Spring Spends the Summer and Lingers Through the Fall

2
dual rectangular clarifiers with air lift RAS pumps. Clarified effluent is disinfected with
chlorine gas in the chlorine contact basin and dechlorinated by sulfur dioxide prior to
discharge to Jonathan Creek. Solids are wasted by duplex sludge wasting pumps to three
digesters. Solids are then pumped to a 1.0 meter belt filter press for dewatering and lime
stabilization to produce a class A-biosolid.
The Sludge Management Plan provides for residuals produced on site to be treated on site
by the Alkaline Stabilization Process. The residuals will be pumped from the digester
through the belt filter press and conveyed to the Alkaline Stabilization process
equipment. The processed material is placed in piles and monitored. The residuals are
then windrowed on a covered concrete pad for additional drying and conditioning. The
dried material is stockpiled on a portion of the pad until it is disbursed in bulk to area
farmers and landscape professionals. Also included you will find a Bio-solids Product
Information Guide.
The Town of Maggie Valley WWTP continues receiving landfill leachate on a limited
basis. The leachate is trucked and hauled to the Maggie Valley facility in 6,000 gallon
loads. The leachate is unloaded at the headworks of the WWTP and is not to exceed
50,000 gallons per day. Town of Maggie Valley staff assists and monitors deliveries.
The Town has consulted with DWQ staff regarding this acceptance and DWQ has
determined that this is not considered a significant industrial user and therefore would not
trigger a pre-treatment program requirement. The Town has a formal agreement to accept
the leachate which requires annual testing of the leachate and states that the Town may
refuse to accept the leachate at any point it wishes.
If you have any questions regarding the enclosed permit application renewal form or
information provided herein, please do not hesitate to contact me.
Sincerely,
Nathan Clark
Town Manager

•
EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No 2040-0004
Form U.S.Environmental Protection Agency
2,A EPA Application for NPDES Permit to Discharge Wastewater
NPDES NEW AND EXISTING PUBLICLY OWNED TREATMENT WORKS
SECTION 1.BASJC APPLICATION INFORMATION FOR ALL APPLICANTS(40 CFR 122.21(j)(1)and(9))
1.1 Facility name
Town of Maggie Valley WWTP
Mailing address(street or P.O.box)
3987 Soco Road
City or town State ZIP code
Maggie Valley NC 28751
Contact name(first and last) Title Phone number Email address
Michael Mehaffey ORC Public Works Director [phone] mmehaffey@maggievalleync.€
r— Location address(street, route number,or other specific identifier) ❑ Same as mailing address
A 5320 Jonathan Creek Road
City or town State ZIP code
Waynesville NC 28785
1.2 Is this application for a facility that has yet to commence discharge?
❑ Yes 4 See instructions on data submission ❑✓ No
requirements for new dischargers.
1.3 Is applicant different from entity listed under Item 1.1 above?
❑ Yes ❑ No 4 SKIP to Item 1.4.
Applicant name
Nathan Clark,Town Manager
Applicant address(street or P.O. box)
47-c 3987 Soco Road
City or town State ZIP code
Maggie Valley NC 28751
Contact name(first and last) Title Phone number Email address
a Michael Mehaffey ORC Public Works Director [phone] mmehaffey@maggievalleync.g
1.4 Is the applicant the facility's owner,operator,or both?(Check only one response.)
El Owner ❑ Operator ❑ Both
1.5 To which entity should the NPDES permitting authority send correspondence?(Check only one response.)
El Facility Facility and applicant
❑ 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)
NC0056561
2 ❑ PSD(air emissions) ❑ Nonattainment program(CM) ❑ NESHAPs(CM)
rn
y ❑ Ocean dumping(MPRSA) ❑ Dredge or fill(CWA Section ❑ Other(specify)
404)
EPA Form 3510-2A(Revised 3-19) Page 1

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No 2040-0004
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 ID Own O Maintain
Maggie Valley 4,485 %combined storm and sanitary sewer 0 Own 0 Maintain
❑ Unknown 0 Own ❑ Maintain
co %separate sanitary sewer El Own 0 Maintain
o 1 %combined storm and sanitary sewer ❑ Own 0 Maintain
3 El Unknown ❑ Own 0 Maintain
a %separate sanitary sewer ID ❑ Maintain
-o %combined storm and sanitary sewer 0 Own 0 Maintain
o ❑ Unknown 0 Own 0 Maintain
E %separate sanitary sewer El Own ❑ Maintain
>, %combined storm and sanitary sewer 0 Own 0 Maintain
c 0 Unknown 0 Own El Maintain
; Total
Population 4,485
v Served
Separate Sanitary Sewer System Combined Storm and
Sanitary Sewer
Total percentage of each type of ° °/0
sewer line(in miles) 100 /°
z' 1.8 Is the treatment works located in Indian Country?
o ❑ Yes El No
c1.9 Does the facility discharge to a receiving water that flows through Indian Country?
c ❑ Yes ElNo
1.10 Provide design and actual flow rates in the designated spaces. Design Flow Rate
1.0 mgd
w Annual Average Flow Rates(Actual)
a . Two Years Ago Last Year This Year
Coco
.326 mgd .390 mgd .437 mgd
7" Maximum Daily Flow Rates(Actual)
rzi Two Years Ago Last Year This Year
1.104 mgd 1.875 mgd 1.75 mgd
N 1.11 Provide the total number of effluent discharge points to waters of the United States by type.
.o Total Number of Effluent Discharge Points by Type
d >' Combined Sewer Constructed
E T Treated Effluent Untreated Effluent Overflows Bypasses Emergency
xi Overflows
_N
1
EPA Form 3510-2A(Revised 3-19) Page 2

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No 2040-0004
Outfalls Other Than to Waters of the United States
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 United States?
❑ 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
❑ Continuous
gpd ❑ Intermittent
2 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.
N Land Application Site and Discharge Data
o Continuous or
Location Size Average Daily Volume Intermittent
Applied (check one)
d ❑ Continuous
0
acres
N gp 0 Intermittent
0
acres d 0 Continuous
gp ❑ Intermittent
❑ Continuous
acres 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?
O Yes 0 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
EPA Form 3510-2A(Revised 3-19) Page 3

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No 2040-0004
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
Contact name(first and last) Title
0
Phone number Email address
0n NPDES number of receiving facility(if any) ❑ None Average daily flow rate mgd
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 United States(e.g.,underground percolation, underground injection)?
L ❑ Yes ❑✓ No 4 SKIP to Item 1.23.
0 1.22 Provide information in the table below on these other disposal methods.
Information on Other Disposal Methods
oDisposal Location of Size of Annual Average Continuous or Intermittent
Method Disposal Site Disposal Site Daily Discharge (check one)
R Description Volume
=rn
acres gpd 0 Continuous
❑ Intermittent
0 Continuous
acres gpd 0 Intermittent
acresgpd ❑ 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.
n Consult with your NPDES permitting authority to determine what information needs to be submitted and when.)
rn
❑ Discharges into marine waters(CWA ❑ Water quality related effluent limitation(CWA Section
•
cts 0, 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+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
0
Contractor name
(company name)
€ Mailing address
(street or P.O. box)
o City,state,and ZIP
code
Contact name(first and
0
last)
Phone number
Email address
Operational and
maintenance
responsibilities of
contractor
EPA Form 3510-2A(Revised 3-19) Page 4

EPA Identification Number NPDES Permit Number Fadlity Name Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No.2040-0004
SECTION 2.ADDITIONAL INFORMATION(40 CFR 122.21(j)(1)and(2))
o Outfalls to Waters of the United States
2.1 Does the treatment works have a design flow greater than or equal to 0.1 mgd?
rn
0 Yes ❑ 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. 43,700
gpd
Indicate the steps the facility is taking to minimize inflow and infiltration.
The Town performs regular smoke testing,flow monitoring and visual inspections to help reduce/eliminate I&I
problems. In May and June of 2020,we did an I&I study to find problem areas. We are working on these deficiencies
now to reduce I&I.
2.3 Have you attached a topographic map to this application that contains all the required information?(See instructions for
0 o specific requirements.)
en R
O
0 ✓❑ Yes ❑ No
E 2.4 Have you attached a process flow diagram or schematic to this application that contains all the required information?
3 co 0
(See instructions for specific requirements.)
110 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
1.
E
n 2.
E
0
3.
co
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 Begin End Begin
Outfalls Operational
0 Improvement Construction Construction Discharge
(from above) (list outfall (MM/DD/YYYY) (MM/DD/YYYY) (MM/DD/YYYY) Level
number (MM/DDNYYY)
,3
1.
-0
in 2.
3.
2.7 Have appropriate permits/clearances concerning other federal/state requirements been obtained?Briefly explain your
response.
❑ Yes ❑ No ❑ None required or applicable
Explanation:
EPA Form 3510-2A(Revised 3-19) Page 5

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No.2040-0004
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 NC
co
County Haywood
O City or town Waynesville
Q Distance from shore 0 ft. ft. ft.
Depth below surface o ft. ft. ft.
Average daily flow rate .437 mgd mgd mgd
Latitude 35° 35' 56" "
Longitude 83° 00' 23"
3.2 Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
❑ Yes ❑✓ No 4 SKIP to Item 3.4.
a
3.3 If so,provide the following information for each applicable outfall.
Outfall Number Outfall Number Outfall Number
0
Number of times per year
o discharge occurs
a Average duration of each
discharge(specify units)
a Average flow of each
discharge mgd mgd mgd
coMonths in which discharge
occurs
3.4 Are any of the outfalls listed under Item 3.1 equipped with a diffuser?
❑ Yes 2 No 4 SKIP to Item 3.6.
3.5 Briefly describe the diffuser type at each applicable outfall.
0.
Outfall Number Outfall Number Outfall Number
N
i5
ui 3 6 Does the treatment works discharge or plan to discharge wastewater to waters of the United States from one or more
d �
discharge points?
15
❑✓ Yes ❑ No 4SKIP to Section 6.
EPA Form 3510-2A(Revised 3-19) Page 6

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No.2040-0004
3.7 Provide the receiving water and related information(if known)for each outfall.
Outfall Number 1 Outfall Number Outfall Number
Receiving water name Jonathan Creek
Name of watershed,river,
0 or stream system Pigeon River
a U.S.Soil Conservation
y Service 14-digit watershed
o code
' Name of state
1° French Broad
management/river basin
-� U.S.Geological Survey
w 8-digit hydrologic 06010106
re cataloging unit code
Critical low flow(acute) NA cfs cfs cfs
Critical low flow(chronic) NA cfs cfs cfs
Total hardness at critical mg/L of mg/L of mg/L of
low flow NA 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 t] Primary 0 Primary 0 Primary
Treatment(check all that 0 Equivalent to ❑ Equivalent to 0 Equivalent to
apply per outfall) secondary secondary secondary
O Secondary ❑ Secondary 0 Secondary
❑ Advanced 0 Advanced 0 Advanced
❑ Other(specify) ❑ Other(specify) ❑ Other(specify)
'a Design Removal Rates by
Q Outfall
N
d
0 BOD5 or CBOD5 85
d
E
ai TSS 85 % °/a
ok
I-
1ZI Not applicable ❑ Not applicable 0 Not applicable
Phosphorus
m Not applicable 0 Not applicable 0 Not applicable
Nitrogen
Other(specify) m Not applicable 0 Not applicable 0 Not applicable
% ok
EPA Form 3510-2A(Revised 3-19) Page 7

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No 2040-0004
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.
d
C
0
= Outfall Number 1 Outfall Number Outfall Number
0
fl Disinfection type
Chlorination
co
m
0
Seasons used All
2.1
Dechlorination used? ❑ Not applicable ❑ Not applicable 0 Not applicable
❑� Yes ❑ Yes ❑ Yes
0 No ❑ No ❑ No
3.10 Have you completed monitoring for all Table A parameters and attached the results to the application package?
0 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 15
water
Number of tests of receiving
water
3.13 Does the treatment works have a design flow greater than or equal to 0.1 mgd?
A 0 Yes ❑ No 4 SKIP to Item 3.16.
0 3.14 Does the POTW use chlorine for disinfection,use chlorine elsewhere in the treatment process,or otherwise have
c 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?
0 Yes ❑ No
3.16 Does one or more of the following conditions apply?
• The facility has a design flow greater than or equal to 1 mgd.
• The POTW has an approved pretreatment program or is required to develop such a program.
• The NPDES permitting authority has informed the POTW that it must sample for the parameters in Table C, must
sample other additional parameters(Table D),or submit the results of WET tests for acute or chronic toxicity for
each of its discharge outfalls(Table E).
❑ Yes 4 Complete Tables C, D,and E as ❑ No 4 SKIP to Section 4.
applicable.
3.17 Have you completed monitoring for all applicable Table C pollutants and attached the results to this application
package?
✓❑ Yes ❑ No
3.18 Have you completed monitoring for all applicable Table D pollutants required by your NPDES permitting authority and
attached the results to this application package?
❑ Yes ❑ No additional sampling required by NPDES
permitting authority.
EPA Form 3510-2A(Revised 3-19) Page 8

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No 2040-0004
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?
ID 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)
10/07/2019 ChV=17.0%
01/07/2020 ChV>24%
04/07/2020 ChV>24%
08/04/2020 ChV>24%
C
R 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.
t3.23 Describe the cause(s)of the toxicity:
d
w
3.24 Has the treatment works conducted a toxicity reduction evaluation?
❑ Yes ❑ No 4 SKIP to Item 3.26.
3.25 Provide details of any toxicity reduction evaluations conducted.
3.26 Have you completed Table E for all applicable outfalls and attached the results to the application package?
D Yes ❑✓ Not applicable because previously submitted
information to the NPDES .ermittin• authori .
SECTION 4.INDUSTRIAL DISCHARGES AND HAZARDOUS WASTES(40 CFR 122.21(j)(6)and(7))
4.1 Does the POTW receive discharges from SIUs or NSCIUs?
❑ Yes ❑� No 4 SKIP to Item 4.7.
d 4.2 Indicate the number of Sills and NSCIUs that discharge to the POTW.
Number of Sills Number of NSCIUs
U)
0
A 4.3 Does the POTW have an approved pretreatment program?
N ❑
1a Yes ❑ No
g 4.4 Have you submitted either of the following to the NPDES permitting authority that contains information substantially
identical to that required in Table F:(1)a pretreatment program annual report submitted within one year of the
application or(2)a pretreatment program?
y ❑ Yes ❑ No 4 SKIP to Item 4.6.
0
u 4.5 Identify the title and date of the annual report or pretreatment program referenced in Item 4.4.SKIP to Item 4.7.
N
4.6 Have you completed and attached Table F to this application package?
❑ Yes ❑ No
EPA Form 3510-2A(Revised 3-19) Page 9

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No.2040-0004
4.7 Does the POTW receive.or has it been notified that it will receive, by truck, rail,or dedicated pipe,any wastes that are
regulated as RCRA hazardous wastes pursuant to 40 CFR 261?
❑ Yes No 4 SKIP to Item 4.9.
4.8 If yes,provide the following information:
Annual
Hazardous Waste Waste Transport Method Amount of Units
Number (check all that apply) Waste
Received
❑ Truck ❑ Rail
❑ Dedicated pipe ❑ Other(specify)
C
0
U
❑ Truck ❑ Rail
❑ Dedicated pipe ❑ Other(specify)
O
N ❑ Truck ❑ Rail
ea
_ ❑ Dedicated pipe ❑ Other(specify)
A 4.9 Does the POTW receive,or has it been notified that it will receive,wastewaters that originate from remedial activities,
y including those undertaken pursuant to CERCLA and Sections 3004(7)or 3008(h)of RCRA?
7.6 ❑ Yes 0 No 4 SKIP to Section 5.
c, 4.10 Does the POTW receive(or expect to receive)less than 15 kilograms per month of non-acute hazardous wastes as
specified in 40 CFR 261.30(d)and 261.33(e)?
❑ Yes 4 SKIP to Section 5. ❑ No
4.11 Have you reported the following information in an attachment to this application:identification and description of the
site(s)or facility(ies)at which the wastewater originates;the identities of the wastewater's hazardous constituents;and
the extent of treatment,if any,the wastewater receives or will receive before entering the POTW?
❑ Yes ❑ No
SECTION 5.COMBINED SEWER OVERFLOWS(40 CFR 122.21(j)(8))
5.1 Does the treatment works have a combined sewer system?
❑ Yes ElNo 4SKIP to Section 6.
co
a 5.2 Have you attached a CSO system map to this application?(See instructions for map requirements.)
a ❑ Yes ❑ No
5.3 Have you attached a CSO system diagram to this application?(See instructions for diagram requirements.)
❑ Yes ❑ No
EPA Form 3510-2A(Revised 3-19) Page 10

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No.2040-0004
5.4 For each CSO outfall,provide the following information.(Attach additional sheets as necessary.)
CSO Outfall Number CSO Outfall Number CSO Outfall Number _
City or town
0
Q State and ZIP code
0
u)
o County
is
3 Latitude °
0
o ,- ° °
N Longitude °
U
Distance from shore ft. ft. ft.
Depth below surface ft. ft. ft.
5.5 Did the POTW monitor any of the following items in the past year for its CSO outfalls?
CSO Outfall Number CSO Outfall Number CSO Outfall Number
Rainfall ❑ Yes 0 No ❑ Yes ❑ No ❑ Yes ❑ No
rn
c
.`•
o CSO flow volume ❑ Yes 0 No ❑ Yes ❑ No ❑ Yes ❑ No
CSO pollutant ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes 0 No
o concentrations
co
U Receiving water quality ❑ Yes 0 No ❑ Yes ❑ No ❑ Yes 0 No
CSO frequency ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No
Number of storm events ❑ Yes ❑ No ❑ Yes 0 No ❑ Yes 0 No
5.6 Provide the following information for each of your CSO outfalls.
CSO Outfall Number CSO Outfall Number CSO Outfall Number
iti
Number of CSO events in events events events
To the past year
co
Average duration per hours hours hours
c
event ❑Actual or 0 Estimated 0 Actual or❑ Estimated 0 Actual or 0 Estimated
d
> million gallons million gallons million gallons
o Average volume per event
o ❑Actual or❑ Estimated 0 Actual or 0 Estimated 0 Actual or 0 Estimated
Minimum rainfall causing inches of rainfall inches of rainfall inches of rainfall
a CSO event in last year 0 Actual or 0 Estimated 0 Actual or 0 Estimated ❑Actual or 0 Estimated
EPA Form 3510-2A(Revised 3-19) Page 11

I
NPDES Permit Number Facility Identification Number Name Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No.2040-0004
5.7 Provide the information in the table below for each of your CSO outfalls.
CSO Outfall Number CSO Outfall Number CSO Outfall Number
Receiving water name
Name of watershed/
stream system
U.S.Soil Conservation ❑ Unknown ❑ Unknown 0 Unknown
Service 14-digit
watershed code
'> (if known)
d Name of state
w management/river basin
o
U.S.Geological Survey ❑ Unknown ❑ Unknown ❑Unknown
8-Digit Hydrologic Unit
Code(if known)
Description of known
water quality impacts on
receiving stream by CSO
(see instructions for
exam s les
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 0 w/process flow diagram
Information El w/additional attachments
0 w/Table A ❑ w/Table D
❑ Section 3: Information on ❑ w/Table B 0 w/Table E
Effluent Discharges
1 ✓❑ w/Table C ❑ w/additional attachments
A Section 4: Industrial 0 w/SIU and NSCIU attachments 0 w/Table F
N 0 Discharges and Hazardous El Wastes w/additional attachments
w/CSO map ❑
0 w/additional attachments
Section 5:Combined Sewer
0 Overflows ❑ w/CSO system diagram
U
❑ Section 6: Checklist and 0 w/attachments
as Certification Statement
Y 6.2 Certification Statement
U
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
Nathan Clark Town Manager
Signature Date signed
EPA Form 3510-2A(Revised 3-19) Page 12

EPA Identification Number NPDES Permit Number Facility Name Oudall Number Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley 1 OMB No.2040-0004
TABLE A.EFFLUENT PARAMETERS FOR ALL POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Method' (include
Value Units Value Units Sam des
units)
Biochemical oxygen demand o ML
0 BODs or 0 CBOD5 26.1 MG/L 5.24 MG/L 156 SM52108 2.0 MG/L m MDL
resort one
D ML
Fecal colifoml 2940 #/100 ml 9.35 #/100 ml 156 SM9222D 3/100 m MDL
Design flow rate 1.75 MGD .437 MGD continuous
pH(minimum) 6.0 SU
pH(maximum) 7.3 SU
Temperature(winter) 15.0 deg c 12.66 deg c 156
Temperature(summer) 24.16 deg c 22.37 deg c 156
ML
Total suspended solids(TSS) 22.7 MG/L 4.38 MG/L 156 SM2540D 2.5MG/L 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 O.See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2A(Revised 3-19) Page 13

This page intentionally left blank.

EPA Identification Number NPDES Permd Number Facility Name Outfall Number Form Approved 03/05/19
N 056561 Town of Maggie Valley1 OMB No.2040-0004
NCL056561 CO o gg
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 Method' (include
Value Units Value Units Samples units)
CI ML
Ammonia(as N) 0.2 MG/L 0.2 MG/L 3 SM4500NH3F 0.1 0 MDL
Chlorine <0.013 MG/L <0.013 MG/L 3 SM4500CLG 0.013 OML
(total residual.TRC)2 o MDL
Dissolved oxygen 7.2 MG/L 6.58 MG/L 3 SM45000G 0.1 m MDL
D ML
Nitrate/nitrite 11.6 MG/L 8.97 MG/L 3 SM4500-NO3F 1.00 m MDL
Kjeldahl nitrogen 1.20 MG/L 1.06 MG/L 3 351.2 0.10 0 MDL
Oil and grease ND MG/L ND MG/L 3 1664A 5.0 m MDL
ML
Phosphorus 3.4 MG/L 2.43 MG/1. 3 SM4500-P-F 0.020 0 MDL
0 ML
Total dissolved solids 170 MG/L 161.5 MG/L 3 SM2540C 10 p 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 15

This page intentionally left blank.

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I- a_

EPA Identfication Number NPDES Permd Number Facility Name Oudall Number Form Approved 03/05/19
OMB No 2040-0004
NCL056561 NC0056561 Town of Maggie Valley 1
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
o ML
1,2-diphenylhydrazine ND UG/L ND UG/L 3 625 5.0 MDL •
Fluoranthene ND UG/L ND UG/L 3 625 5.0 O ML
m MDL
ML
Fluorene ND UG/L ND UG/L 3 625 5.0 0MDL
0 ML
Hexachlorobenzene ND UG/L ND UG/L 3 625 5.0 m MDL
Hexachlorobutadiene ND UG/L ND UG/L 3 625 5.0 0 ML
m MDL
0 ML
Hexachlorocyclo-pentadiene ND UG/L ND UG/L 3 625 10.0 m MDL
Hexachloroethane ND UG/L ND UG/L 3 625 5.0 ML
0 MDL
Indeno(1,2,3-cd)pyrene ND UG/L ND UG/L 3 625 5.0 0 ML
m MDL
ML
Isophorone ND UG/L ND UG/L 3 625 5.0 0 MDL
0 ML
Naphthalene ND UG/L ND UG/L 3 625 5.0 m MDL
ML
Nitrobenzene ND UG/L ND UG/L 3 625 5.0 0MDL
ML
N-nitrosodi-n-propylamine ND UG/L ND UG/L 3 625 5.0 0 MDL
0 ML
N-nitrosodimethylamine ND UG/L ND UG/L 3 625 5.0 0MDL
O ML
N-nitrosodiphenylamine ND UG/L ND UG/L 3 625 5.0 m MDL
0 ML
Phenanthrene ND UG/L ND UG/L 3 625 5.0 m MDL
0 ML
Pyrene ND UG/L ND UG/L 3 625 5.0 m MDL
0 ML
1,2,4-trtchlorobenzene ND UG/L ND UG/L 3 625 2.0 m 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 Nor 0.See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2A(Revised 3-19) Page 21

This page intentionally left blank.

EPA Identification Number NPDES Permit Number Facility Name Oudall Number Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No.2040 004
TABLE D.ADDITIONAL POLLUTANTS AS REQUIRED BY NPDES PERMITTING AUTHORITY
Pollutant Maximum Daily Discharge Average Daily Discha a Analytical ML or MDL
Number of
gist) Value Units Value Units Samples Method' (include units)
©No additional sampling is required by NPDES permitting authority.
❑ML
❑MDL
❑ML
O MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
O MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
0 ML
❑MDL
❑ML
❑MDL
❑ML
❑MDL
O ML
❑MDL
I 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 23

This page intentionally left blank.

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05(19
NCL056561 NC0056561 Town of Maggie Valley OMB No 2040-0004
TABLE E.EFFLUENT MONITORING FOR WHOLE EFFLUENT TOXICITY
The table provides response space for one whole effluent toxicity sample.Copy the table to report additional test results.
Test Information
Test Number Test Number Test Number
Test species
Age at initiation of test
Outfall number
Date sample collected
Date test started
Duration
Toxicity Test Methods
Test method number
Manual the
Edition number and year of publication
•
Page number(s)
Sample Type
Check one: ❑ Grab ❑ Grab ❑ Grab
❑ 24-hour composite ❑ 24-hour composite ❑24-hour composite
Sample Location
Check one: ❑ Before Disinfection ❑ Before Disinfection Before disinfection
❑After Disinfection ❑After Disinfection ❑After disinfection
❑After Dechlorination ❑After Dechlorination ❑After dechlorination
Point in Treatment Process
Describe the point in the treatment process
at which the sample was collected for each
test.
Toxicity Type
Indicate for each test whether the test was ❑Acute ❑Acute ❑Acute
performed to asses acute or chronic toxicity, ❑Chronic ❑Chronic CI Chronic
Or both.(Check one response.)
El Both ❑Both ❑Both
EPA Form 3510-2A(Revised 3-19) Page 25

EPA Identification Number NPDES Permit Number Facility Name Outran Number Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No 2040-0004
TABLE E.EFFLUENT MONITORING FOR WHOLE EFFLUENT TOXICITY
The table provides response space for one whole effluent toxicity sample.Copy the table to report additional test results.
Test Number Test Number Test Number
Test Type
Indicate the type of test performed (Check one ❑ Static ❑ Static 0 Static
response)
0 Static-renewal ❑Static-renewal 0 Static-renewal
0 Flow-through 0 Flow-through 0 Flow-through
Source of Dilution Water
Indicate the source of dilution water.(Check ❑ Laboratory water 0 Laboratory water 0 Laboratory water
one response)
❑ Receiving water ❑ Receiving water 0 Receiving water
If laboratory water,specify type.
If receiving water,specify source.
Type of Dilution Water
Indicate the type of dilution water.If salt ❑ Fresh water ❑ Fresh water ❑ Fresh water
water,specify`natural"or type of artificial
sea salts or brine used ❑ Salt water(specify) ❑ Salt water(specify) ❑ Salt water(specify)
Percentage Effluent Used
Specify the percentage effluent used for all
concentrations in the test series.
Parameters Tested
Check the parameters tested. 0 pH ❑Ammonia ❑pH ❑Ammonia ❑pH ❑Ammonia
❑ Salinity ❑ Dissolved oxygen ❑ Salinity ❑ Dissolved oxygen 0 Salinity ❑ Dissolved oxygen
❑Temperature 0 Temperature ❑Temperature
Acute Test Results
Percent survival in 100%effluent
LCso
95%confidence interval
Control percent survival
EPA Form 3510-2A(Revised 3-19) Page 26

EPA Identification Number NPDES Pemdt Number Facility Name Outfall Number Form Approved 03/05/19
NCL056561 NC0056561 Town of Maggie Valley OMB No.2040-0004
TABLE E.EFFLUENT MONITORING FOR WHOLE EFFLUENT TOXICITY
The table provides response space for one whole effluent toxicity sample.Copy the table to report additional test results.
Test Number Test Number_ Test Number
Acute Test Results Continued
Other(describe)
Chronic Test Results
NOEC
IC25 %
Control percent survival % %
Other(describe)
Quality Control/Quality Assurance
Is reference toxicant data available? ❑Yes ❑ No ❑Yes ❑No ❑Yes ❑ No
Was reference toxicant test within ❑Yes ❑ No ❑Yes ❑No ❑Yes 0 No
acceptable bounds?
What date was reference toxicant test run
(MM/DD/YYYY)?
Other(describe)
EPA Form 3510-2A(Revised 3-19) Page 27

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EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
OMB No.2040-0004
NCL056561 NC0056561 Town of Maggie Valley
TABLE F.INDUSTRIAL DISCHARGE INFORMATION
Response space is provided for three Sills.Copy the table to report information for additional Sills.
SIU SIU_ SIU
Name of SIU
Mailing address(street or P.O.box)
City,state,and ZIP code
Description of all industrial processes that affect
or contribute to the discharge.
List the principal products and raw materials that
affect or contribute to the Sills discharge.
Indicate the average daily volume of wastewater
discharged by the SIU. gpd gpd gpd
How much of the average daily volume is
attributable to process flow? gpd gpd gpd
How much of the average daily volume is
attributable to non-process floe gpd gpd gpd
Is the SIU subject to local limits?
❑Yes ❑No ❑Yes ❑ No ❑Yes ❑No
Is the SIU subject to categorical standards?
❑Yes ❑No ❑Yes ❑No ❑Yes ❑No
EPA Form 3510-2A(Revised 3-19) Page 29

EPA Idenbficabon Number NPDES Permit Number Facility Name Form Approved 03105/19
NCL056561 NC0056561 Town of Maggie Valley OMB No 2040-0004
TABLE F.INDUSTRIAL DISCHARGE INFORMATION
Response space is provided for three Sills.Copy the table to report information for additional Sills.
SIU SIU SIU
Under what categories and subcategories is the
SIU subject?
Has the POTW experienced problems(e.g
upsets,pass-through interferences)in the past 4.5 ❑Yes 0 No 0 Yes 0 No ❑ Yes ❑ No
years that are attributable to the SIU?
It yes.describe •
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Maggie Valley WWTP Site Map
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Maggie Valley VWVfP Process Description
Flow enters the Maggie Valley WWTP through an 18" gravity sewer line to the influent
screening channel. The influent screen is a step screen with '/." openings. The
wastewater the flows to a selector basin which acts to mix the raw influent and return
activated sludge. This flow is then split to two treatment trains. Each train consists of
first stage and second stage aeration basins. The first stage aeration basins are aerated
by fine bubble diffusers and the second stage basins are aerated with coarse bubble
aeration. Second stage aeration cycles on and off to promote denitrification prior to
clarification. Following aeration the wastewater flows to dual rectangular clarifiers with
air lift RAS pumps. Clarified effluent is disinfected with chlorine gas in the chlorine
contact basin and dechlorinated by sulfur dioxide prior to discharge to Jonathan Creek.
Solids are wasted by duplex sludge wasting pumps to three digesters. Solids are then
pumped to a 1.0 meter belt filter press for dewatering and lime stabilization to produce a
class A biosolid.
Selector Basin Volume: 12,450 gallons
Stage 1 Aeration volume: 406,000 gallons ( 203,000 gallons per train)
Stage 2 Aeration volume: 360,000 gallons (180,000 gallons per train)
Clarifier Volume: Approx. 300,000 gallons
Clarifier Surface Area: 3,360 square feet
Chlorine Contact Basin Volume:22,981 gallons
Sludge Holding Basin 1: 46,000 gallons
Sludge Holding Basin 2: 46,000 gallons
Sludge Holding Basin 3: 50,500 gallons
Total Sludge Holding: 142,500 gallons

•
Town of Maggie Valley
Biosolid Product Information Guide
The Maggie Valley Biosolid Product is a combination of highly treated domestic
sewage sludge and either lime kiln dust or cement kiln dust. The high alkalinity
and heat created by the interaction of the lime or cement kiln dust with the
sewage sludge destroys pathogenic organisms and produces a safe agriculturally
beneficial product.
The production of this product is closely regulated by the U S Environmental
Protection Agency and the North Carolina Division of Water Quality. The biosolid
product is carefully prepared and routinely monitored to insure that all product
made available to the public is in compliance with all applicable regulations.
The product is an alkaline material and contains some trace plant nutrients. The
Division of Water Quality has placed the following requirements on the use of this
product to insure that no environmental or health impacts will occur:
The biosolid product shall be used and applied only in a manner consistent with
good agricultural or horticultural practice and the information contained herein.
The product shall not be applied:
• To any site that is flooded, frozen or snow covered;
• Within ten feet of any public or private water supply source (including
wells);
• Within ten feet of any stream, lake, river or natural drainage way
Adequate procedures must be provided to insure that surface storm water runoff
does not carry applied or stored product into any surface water body.
The biosolid product shall be applied at agronomic or recommended rates for
intended uses.
This product is prepared by the Town of Maggie Valley,
3987 Soco Road, Maggie Valley, NC 28751.
For additional information please contact Mike Mehaffey at 828-926-0866.