NC0028916_NPDES Permit Renewal_20081230

Michael F. Easley, Govemor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
December 30, 2008
E GRAY WALLS PE
TOWN ENGINEER AND PUBLIC SERVICES DIRECTOR
PUBLIC SERVICES DEPARTMENT
TOWN OF TROY
315 N MAIN STREET
TROY NC 27371-2799
Dear Mr. Walls:
Coleen H. Sullins, Director
Division of Water Quality
RECE,67:Efr
JAN 02 2009
DENR - FAYETTEVILLE REGIONAL OFFICE
Subject: Receipt of permit renewal application
NPDES Permit NC0028916
Troy WWTP.
Montgomery County
The NPDES Unit received your permit renewal application on December 30, 2008. A
member of the NPDES Unit will review your application. They will. contact. you if additional
information is required to complete your permit renewal. You should expect to receive a draft
permit approximately 30-45 days before your existing permit expires.
If you have any additional questions concerning renewal of the subject permit, please contact
Bob Guerra at [phone].
Sincerely,
Dina Sprinkle
NPDES Unit
cc: CENTRAL FILES
Fayetteville Regional _Office/Surface Water Protection
NPDES Unit
Mailing Address
1617 Mail Service Center
Raleigh, NC 27699-1617 ,
Phone [phone]
Fax [phone]
Location
512 N. Salisbury St.
Raleigh, NC 27604
NorthCarolina
Naturally
Internet: www.ncwaterquality.org Customer Service 1-877-623-6748
An Equal Opportunity/Affirmative Action Employer— 50% Recycled/10% Post Consumer Paper

TOWN OF TROY
INCORPORATED 1852
Public Services Dept.
315 N. Main Street
Troy, NC 27371-2799
Phone: [phone]
Fax: [phone]
12/20/08
NCDENR/ DWQ
Attn: NPDES Unit
1617 Mail Service Center
Raleigh, NC 27699-2941
RECEIVED
DEC 3 0 2008,
DENR - WATER OUALIIY
POINT SOURCE BRANCH
Please find enclosed the 2009 NC0028916 permit renewal application form.
Should there be questions just give me a call.
Sincerely,
tfi:al
E. Gray 1 % alls, P.E.
Town Engineer/
Public Services
Director

PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
FORM
2A
NPDES
Form 2A has been developed in a modular format and consists of a "Basic Application Information" packet
and a "Supplemental Application Information" packet. The Basic Application Information packet is divided
into two parts. All applicants must complete Parts A and C. Applicants with a design flow greater than or
equal to 0.1 mgd must also complete Part B. Some applicants must also complete the Supplemental
Application Information packet. The following items explain which parts of Form 2A you must complete.
BASIC APPLICATION INFORMATION:
A. Basic Application Information for all Applicants. All applicants must complete questions A.1 through A.8. A treatment works
that discharges effluent to surface waters of the United States must also answer questions A.9 through A.12.
B. Additional Application Information for Applicants with a Design Flow z 0.1 mgd. All treatment works that have design flows
greater than or equal to 0.1 million gallons per day must complete questions B.1 through B.6.
C. Certification. All applicants must complete Part C (Certification).
SUPPLEMENTAL APPLICATION INFORMATION:
RECEIVED
D. Expanded Effluent Testing Data. A treatment works that discharges effluent to surface waters of the Ltited States and meets
one or more of the following criteria must complete Part D (Expanded Effluent Testing Ioa: 3 0 2008
1. Has a design flow rate greater than or equal to 1 mgd,
2. Is required to have a pretreatment program (or has one in place), or r ENR - WATER QUALITY
3. Is otherwise required by the permitting authority to provide the infomia ion.
POINT SOURCE BRANCH
E. Toxicity Testing Data. A treatment works that meets one or more of the following criteria must complete Part E (Toxicity Testing
Data):
1. Has a design flow rate greater than or equal to 1 mgd,
2. Is required to have a pretreatment program (or has one in place), or
3. Is otherwise required by the permitting authority to submit results of toxicity testing.
F. Industrial User Discharges and RCRA/CERCLA Wastes. A treatment works that accepts process wastewater from any
significant industrial users (SIUs) or receives RCRA or CERCLA wastes must complete Part F (Industrial User Discharges
and RCRA/CERCLA Wastes). SIUs are defined as:
1. All industrial users subject to Categorical Pretreatment Standards under 40 Code of Federal Regulations (CFR) 403.6 and
40 CFR Chapter I, Subchapter N (see instructions); and
2. Any other industrial user that:
a. Discharges an average of 25,000 gallons per day or more of process wastewater to the treatment works (with certain
exclusions); or
b. Contributes a process wastestream that makes up 5 percent or more of the average dry weather hydraulic or organic
capacity of the treatment plant; or
c. Is designated as an SIU by the control authority.
G. Combined Sewer Systems. A treatment works that has a combined sewer system must complete Part G (Combined Sewer
Systems).
L APPLICANTS MUST -COMPLETE PART C (CERTIFICATION
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 1 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
BASIC. APPLICATION INFORMATION
PART A: BASIC APPLICATION INFORMATION FOR ALL APPLICANTS ;; "'
All treatment works must complete questions A.1 through A.8 of this Basic Application Information Packet
A.1. Facility Information.
Facility Name Town of Trov
Mailing Address 315 North Main Street
Troy, N.C. 27371
Contact Person E. Gray Walls
Title Town Engineer & Public Works Director
Telephone Number [phone]
Facility Address 650 Glen Road
(not P.O. Box) Troy, N.C. 27371
A.2. Applicant Information. If the applicant is different from the above, provide the following:
Applicant Name
Mailing Address
Contact Person
Title
telephone Number
Is the applicant the owner or operator (or both) of the treatment works?
® owner ® operator
Indicate whether correspondence regarding this permit should be directed to the facility or the applicant.
❑ facility X❑ applicant
A.3. Existing Environmental Permits. Provide the permit number of any existing environmental permits that have been issued to the treatment works
(include state -issued permits).
NPDES NC0028916 PSD
UIC Other W00001240 Land Application
RCRA Other •
A.4. Collection System Information. Provide information on municipalities and areas served by the facility. Provide the name and population of each
entity and, if known, provide information on the type of collection system (combined vs. separate) and its ownership (municipal, private, etc.).
Name Population Served Type of Collection System Ownership
Town of Troy 4100 Separate Municipal
Total population served 4100
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 2 of 22

FACILITY NAME AND PERMIT NUMBER:
TOWN OF TROY, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
A.5. Indian Country.
a. Is the treatment works located in Indian Country?
❑ Yes ® No
b. Does the treatment works discharge to a receiving water that is either in Indian Country or that is upstream from (and eventually flows
through) Indian Country?
❑ Yes ® No
A.6. Flow. Indicate the design flow rate of the treatment plant (i.e., the wastewater flow rate that the plant was built to handle). Also provide the
average daily flow rate and maximum daily flow rate for each of the last three years. Each year's data must be based on a 12-month time period
with the 12th month of "this year" occurring no more than three months prior to this application submittal.
a. Design flow rate 1.2 mgd
Two Years Ago
Last Year This Year
b. Annual average daily flow rate .446 .456 .388
c. Maximum daily flow rate .680 .710
.610
A.7. Collection System. Indicate the type(s) of collection system(s) used by the treatment plant. Check all that apply. Also estimate the percent
contribution (by miles) of each.
® Separate sanitary sewer 100
❑ Combined storm and sanitary sewer
A.8. Discharges and Other Disposal Methods.
a. Does the treatment works discharge effluent to waters of the U.S.? ® Yes ❑ No
If yes, list how many of each of the following types of discharge points the treatment works uses:
i. Discharges of treated effluent
ii. Discharges of untreated or partially treated effluent
iii. Combined sewer overflow points
iv. Constructed emergency overflows (prior to the headworks)
1
0
0
0
v. Other N/A
b. Does the treatment works discharge effluent to basins, ponds, or other surface impoundments
that do not have outlets for discharge to waters of the U.S.? ❑ Yes
If yes, provide the following for each surface impoundment:
Location:
® No
Annual average daily volume discharge to surface impoundment(s) mgd
Is discharge ❑ continuous or ❑ intermittent?
c. Does the treatment works land -apply treated wastewater? ❑ Yes ® No
If yes, provide the following for each land application site:
Location:
Number of acres:
Annual average daily volume applied to site:
Is land application ❑ continuous or
mgd
❑ intermittent?
d. Does the treatment works discharge or transport treated or untreated wastewater to another
treatment works?
❑ Yes ® No
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 3 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN- PEE DEE
e.
If yes, describe the mean(s) by which the wastewater from the treatment works is discharged or transported to the other treatment works
(e.g., tank truck, pipe).
If transport is_by a party other than the applicant, provide:
Transporter Name
Mailing Address
Contact Person
Title
Telephone Number ( )
For each treatment works that receives this discharge provide the
following:
Name
- Mailing Address
Contact Person
Title
Telephone Number ( )
If known, provide the NPDES permit number of the treatment works
Provide the average daily flow rate from the treatment works into
Does the treatment works discharge or dispose of its wastewater
in A.B. through A.8.d above (e.g., underground percolation, well
If yes, provide the following for each disposal method:
that receives this discharge
i
the receiving facility. mgd
in a manner not included
injection): ❑ Yes ® No
Description of method (including location and -size of site(s) if applicable):
Annual daily volume disposed by this method:
Is disposal through this method ❑ continuous or ❑ intermittent?
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 4 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
WASTEWATER DISCHARGES:
If you answered "Yes" to question A.8.a, complete questions A.9 through A.12 once for each outfall (including bypass points) through
which effluent is discharged. Do not include information on combined sewer overflows in this section. If you answered "No" to question
A.B.a, go to Part B. "Additional Application Information for Applicants with a Design Flow Greater than or Equal to 0.1 mgd."
A.9. Description of Outfall.
a. Outfall number 001
b. Location Troy 27371
(City or town, if applicable) (Zip Code)
Montgomery
(County)
N.C.
(State)
35 Deg 22 Min 25 Sec 79 Deg 51 Min 33 Sec
(Latitude) (Longitude)
c. Distance from shore (if applicable) N/A ft.
d. Depth below surface (if applicable) N/A ft.
e. Average daily flow rate .388 mgd
f. Does this ouffall have either an intermittent or a periodic discharge? ❑ Yes ® No (go to A.9.g.)
If yes, provide the following information:
Number f times per year discharge occurs:
Average duration of each discharge:
Average flow per discharge: mgd
Months in which discharge occurs:
g. Is outfall equipped with a diffuser? ❑ Yes ® No
A.10. Description of Receiving Waters.
a. Name of receiving water Densons Creek
b. Name of watershed (if known) Little River
United States Soil Conservation Service 14-digit watershed code (if known):
c. Name of State Management/River Basin (if known): Yadkin -Pee Dee
United States Geological Survey 8-digit hydrologic cataloging unit code (if known):
d. Critical low flow of receiving stream (if applicable)
acute cfs chronic cfs
e. Total hardness of receiving stream at critical low flow (if applicable): mg/l of CaCO3
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 5 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy , NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
A.11. Description of Treatment
•
a. What level of treatment are provided? Check all that apply.
❑ Primary ® Secondary
❑ Advanced 0 Other. Describe: Oxidation ditches, Secondary Clarifiers
b. Indicate the following removal rates (as applicable):
Design BOD5 removal or Design CBOD5 removal 85 %
Design SS removal .. 85
Design P removal 96
Design N removal 85 yo
Other 96
c. What type of disinfection is used for the effluent from this outfall? If disinfection varies by season, please describe:
Ultra -Violet Light
If disinfection is by chlorination is dechlorination used for this outfall? ❑ Yes ❑ No
Does the treatment plant have post aeration? ❑ Yes ® No
A.12. Effluent Testing Information. All Applicants that discharge to waters of the US must provide effluent testing data .for the following.
parameters. Provide the indicated effluent testing required by the permitting authority for each outfall through which effluent is
discharged. Do not include information on combined sewer overflows in this section. All information reported must be based on data
collected through analysis conducted using 40 CFR Part 136 methods. In addition, this data must comply with QA/QC requirements of
40 CFR Part 136 and other appropriate QA/QC requirements for standard methods for analytes not addressed by 40 CFR Part 136. At a
minimum, effluent testing data must be based on at least three samples and must be no more than four and one-half years apart.
Outfall number. 001
PARAMETER
MAXIMUM DAILY VALUE
AVERAGE DAILY VALUE':
...
Value
,Units
Value
- Units
-Number of Samples:
pH (Minimum)
6.53
s.u.
pH (Maximum)
7.03
s.u.
Flow Rate
.789
MGD
.389
MGD
366
Temperature (Winter)
24
Deg C
17
Deg C
243.
Temperature(Summer)
28
Deg C
26
Deg C
122
* For pH please report a minimum and a maximum daily value
POLLUTANT
MAXIMUM DAILY
DISCHARGE
AVERAGE DAILY DISCHARGE
ANALYTICAL'
METHOD•
ML/MDL •.
Conc
Units
Conc
'
Units
Number of
Samples
CONVENTIONAL AND NON CONVENTIONAL COMPOUNDS
BIOCHEMICAL OXYGEN
DEMAND (Report one)
BOD5 ,
5.43
mg/L
2.16
mg/L
154 .
SM5210B
2A
CBOD5
FECAL COLIFORM
78.17
Cols/100
ML
6.74
Cols/100
ML
154
SM9222D
1.0
TOTAL SUSPENDED SOLIDS (TSS)
12.42
mg/L
4.72
mg/L
154
EPA160.2
1.0
2
ENDOF'PART A
'REFER TO`THE APPLICATION OVERVIEW (PAGE'1)ET `:TO DERMINE WHICH OTHER PARTS
- OF FORM 2A YOU:, MUST:: COMPLETE
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 6 of 22 •

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
• RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
BASIC -APPLICATION INFORMATION '
PARf. B.-- ADDITIONAL APPLICATION INFORMATION FOR APPLICANTS. WITH A DESIGN FLOW GREATER THAN OR
EQUALTO-01 MGD (100,000 gallons per day):
All applicants with a design flow rate z 0.1 mgd must answer questions B.1 through B.6. All others go to Part C (Certification).
B.1. Inflow and Infiltration. Estimate the average number of gallons per day
20,000 gpd
that flow into the treatment works from inflow and/or infiltration.
with & as outlined in its collection system permit. However we
Briefly explain any steps underway or planned to minimize inflow and infiltration.
Troy completed a major f & I rehab program in conjunction
are still working on problem areas of all basins. We are working on the Johnson Rd and Maness St Basins at present.
B.2. Topographic Map. Attach to this application a topographic map of the area extending at least one mile beyond facility property boundaries. This
map must show the outline of the facility and the following information. (You may submit more than one map if one map does not show the entire
area.)
a. The area surrounding the treatment plant, including all unit processes.
b. The major pipes or other structures through which wastewater enters the treatment works and the pipes or other structures through which
treated wastewater is discharged from the treatment plant. Include outfalls from bypass piping, if applicable.
c. Each well where wastewater from the treatment plant is injected underground.
d. Wells, springs, other surface water bodies, and drinking water wells that are: 1) within Y4 mile of the property boundaries of the treatment
works, and 2) listed in public record or otherwise known to the applicant.
e. Any areas where the sewage sludge produced by the treatment works is stored, treated, or disposed.
f. If the treatment works receives waste that is classified as hazardous under the Resource Conservation and Recovery Act (RCRA) by truck, rail,
or special pipe, show on the map where the hazardous waste enters the treatment works and where it is treated, stored, and/or disposed.
B.3. Process Flow Diagram or Schematic. Provide a diagram showing the processes of the treatment plant, including all bypass piping and all
backup power sources or redundancy in the system. Also provide a water balance showing all treatment units, including disinfection (e.g.,
chlorination and dechlorination). The water balance must show daily average flow rates, at influent and discharge points and approximate daily flow
rates between treatment units. Include a brief narrative description of the diagram.
B.4. Operation/Maintenance Performed by Contractor(s).
Are any operational or maintenance aspects (related to wastewater treatment and effluent quality) of the treatment works the responsibility of a
contractor? ' 0 Yes El No
If yes, list the name, address, telephone number, and status of each contractor and describe the contractor's responsibilities (attach additional
pages if necessary). -
Name: -
Mailing Address:
Telephone Number: ( ) -
Responsibilities of Contractor.
B.5. Scheduled improvements and Schedules of Implementation. Provide information on any uncompleted implementation schedule or
uncompleted plans for improvements that will affect the wastewater treatment, effluent quality, or design capacity of the treatment works. If the
treatment works has several different implementation schedules or is planning several improvements, submit separate responses to question B.5
for each. (If none, go to question B.6.)
a. List the outfall number (assigned in question A.9) for each outfall that is covered by this implementation schedule.
b. Indicate whether the planned improvements or implementation schedule are required by local, State, or Federal agencies.
❑ Yes ❑ No
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 7 of 22

:rDogwood •
I.
•
•
543,
t 1).1.TO & n (H r i_f 1 Fes. -:
4artFAL.' V f.a,<.1,fi6•. _ .--` l l
:..i.;
II
Fond
j:
Cem'
'3

400 KW CATAPILLAR GENERATOR
PROVIDES COMPLETE BACK-UP
FOR ALL PLANT OPERATIONS.
INFLUENT INF
MGD GRIT REMOVAL
SPLITTER 1.2
BOX 1.5 MGD BAR SCREEN .
388
t pt Alm
1.5 MGD
NOT USED
.,6 MGD
1.20 MGD
.776
.6 MGD
2
0
H U
< 1-
x
NOT USED
.776 DITCHES RUN IN SERIES
.EFFLUENT
SPLITTER
BOX
ULTRA -VIOLET LIGHT
Sampling Points
Influent -
(prior to any side stream)
•Q2 Effluent (after UV disinfection)
Q3 Oxidation Ditch
ED Sludge to Disposal
.388
.194
.194
w
2
`-
.194 ` T .194
CLARIFIER CLARIFIER
\6 MGD/ 6 MGD
r
u RETURN SLUDGE tg
O o
J J
N r V N
I lVI VI
-
3
EFFLUENT DISCHARGE
PT u001
TO DENSONS
CREEK
i
.040
AEROBIC
DIGESTER
Ys . PS 300 GPM
AEROBIC DIGESTION/
SLUDGE
HOLDING
TANK
1.2 MG
TO LAND APPLICATION
.388
'RETURN SLUDGE
RETURN
O SLUDGE
PS
1.2 MGD
.388
INFLUENT .388
TOWN OF TROY
ACTIVATED SLUDGE/AEROBIC DIGESTION WWTP
PERMIT NO: NC0028916
Figure 1.'Facility Diagram
...\Facilities Diagram.dgn 12/14/2008 12:46:14 PM

FACILITY NAME AND PERMIT NUMBER:
,
PERMIT ACTION REQUESTED:
RIVER BASIN:
c. If the answer to B.5.b is "Yes," briefly describe, including new maximum daily inflow rate (if applicable).
d. Provide dates imposed
applicable. For improvements
applicable. Indicate
Implementation Stage
- Begin Construction
- End Construction
- Begin Discharge
- Attain Operational
e. Have appropriate
Describe briefly:
by any compliance schedule
planned independently
dates as accurately as possible.
Level
permits/clearances conceming other
or any actual dates of completion for the implementation steps listed
of local, State, or Federal agencies, indicate planned or actual completion
Schedule Actual Completion
MM/DD/YYYY MM/DDIYYYY
below, as
dates, as
Yes 0 No
/ / / /
/ / / /
/ / / /
/ / / /
Federal/State requirements been obtained? 0
B.6. EFFLUENT TESTING DATA (GREATER THAN 0.1 MGD
Applicants that discharge to waters of the US must
effluent testing required by the permitting authority
on combine sewer overflows in this section. All information
using 40 CFR Part 136 methods. In addition, this data
QA/QC requirements for standard methods for analytes
based on at least three pollutant scans and must be
Outfall Number: 001
ONLY).
provide effluent testing data for the following parameters. Provide
for each outfall through which effluent is discharged. Do not include
the indicated
information
conducted
other appropriate
data must be
reported must be based on data collected through analysis
must comply with QA/QC requirements of 40 CFR Part 136 and
not addressed by 40 CFR Part 136. At a minimum effluent testing
no more than four and on -half years old.
POLLUTANT
MAXIMUM DAILY.
DISCHARGE
•
AVERAGE DAILY DISCHARGE
ANALYTICAL
METHOD .
MUMDL
Conc.
Units `
Conc.
Units
Number of
,. Samples
CONVENTIONAL AND NON CONVENTIONAL COMPOUNDS •
AMMONIA (as N)
.12
mg/L
.05
mg/L
154
EPA 350.1
0.1 mg/L
CHLORINE (TOTAL
RESIDUAL, TRC)
n/a
n/a
n/a
n/a
n/a
DISSOLVED OXYGEN
10.5
mg/L
9.6 -
mg/L
156
SM4500-0G
.01 mglL
TOTAL KJELDAHL
NITROGEN (TKN)
9.0
mg/L
8.9
mg/L
14
EPA 351.1
0.5 mg/L
NITRATE PLUS NITRITE
NITROGEN
21.2
mg/L
21.0
mg/L
14
EPA 353.2
0.2 mg/L
OIL and GREASE
<5.0
mg/L
<5.0
mg/L
4
EPA 413.1
5 mg/L
PHOSPHORUS (Total)
3.2
mg/L
3.16
mg/L
14
EPA 365.2
0.05 mg/L
TOTAL DISSOLVED SOLIDS
(TDS)
483
mg/L
483
mg/L
7
EPA 160.1
10 mg/L
OTHER
END OF PART B :..
REFER TO THE APPLICATION OVERVIEW (PAGE 1) TO DETERMINE WHICH OTHER PARTS,
OF FORM 2A YOU MUST COMPLETE
EPA Form 3510,2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 8 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, .NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
}
BASIC APPLICATION INFORMATION
PART C. CERTIFICATION `
All applicants must complete the Certification Section. Refer to instructions to determine who is an officer for the purposes of this
certification. All applicants must complete all applicable sections of Form 2A, as explained in the Application Overview. Indicate below which
parts of Form 2A you have completed and are submitting. By signing this certification statement, applicants confirm that they have reviewed
Form 2A and have completed all sections that apply to the facility for which this application is submitted.
Indicate which parts of Form 2A you have completed and are, submitting:
El Basic Application Information packet Supplemental Application Information packet:
® Part D (Expanded Effluent Testing Data)
® Part E (Toxicity Testing: Biomonitoring Data)
0 Part F (Industrial User Discharges and RCRA/CERCLA Wastes)
0 Part G (Combined Sewer Systems)
ALL APPLICANTS MUST COMPLETE THE FOLLOWING CERTIFICATION. r` '
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 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 and official title E. Gra Walls P.E. Town En ineer & Public Works Director
Signature
Telephone number [phone] -
Date signed 12/20/08
Upon request of the permitting authority, you must submit any other information necessary to assure wastewater treatment practices at the treatment •
works or identify appropriate permitting requirements.
SEND COMPLETED FORMS TO:
NCDENR/ DWQ
Attn: NPDES Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22. - Page 9 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
SUPPLEMENTAL APPLICATION INFORMATION-
PART:D, EXPANDED EFFLUENT TESTING;DATA =
Refer to the directions on the cover page to determine whether this section applies to the treatment works.
Effluent Testing: 1.0 mgd and Pretreatment Works. If the treatment works has a design flow greater than or equal to 1.0 mgd or it has (or is required
to have) a pretreatment program, or is otherwise required by the permitting authority to provide the data, then provide effluent testing data for the following
pollutants. Provide -the indicated effluent testing information and any other information required by the permitting authority for each outfall through which
effluent is discharged. Do not include information on combined sewer overflows in this section. All information reported must be based on data collected
through analyses conducted using 40 CFR Part 136 methods. In addition, these data must comply with QA/QC requirements of 40 CFR Part 136 and
other appropriate QA/QC requirements for standard methods for analytes not addressed by 40 CFR Part 136. Indicate in the blank rows provided below
any data you may have on pollutants not specifically listed in this form. At a minimum, effluent testing data must be based on at least three pollutant
scans and must be no more than four and one-half years old.
Outfall number. 001 (Complete once for each outfall discharging effluent to waters of the United States.)
POLLUTANT'
..
MAXIMUM DAILY DISCHARGE •
AVERAGE DAILY DISCHARGE,`
ANALYTICAL
METHOD
ML/MDC
Conc
Units..
Mass
Units"
Conc.
Units
Mass
.; ,; >
':
Units •
.
Number
,,, of :
,Samples
METALS (TOTAL RECOVERABLE), CYANIDE,
PHENOLS,
AND HARDNESS.
ANTIMONY
<.025
mg/L
<.025
mg/L
4
EPA 200.7
0.025
mg/L
ARSENIC
<.010
mg/L
<.010
mg/L
26
EPA 200.7
0.010
mg/L
BERYLLIUM -
<.005
mg/L
<.005
mg/L
4
EPA 200.7
0.005
mg/L
CADMIUM
<.002
mg/L
<.002
mg/L
20
EPA 200.7
0.002
mg/L
CHROMIUM
<.005
mg/L
<.005
mg/L
13
EPA 200.7
0.005
mg/L
COPPER
.023
mg/L
.020
mg/L
• 24
EPA 200.7
0.002
mg/L
LEAD
<.010
mg/L
<.010
mg/L
10
EPA 200.7
0.010
mg/L
MERCURY
.0004
mg/L.
.0004
mg/L
7
EPA 245.1
0.0002
mg/L
NICKEL
<.010
mg/L
<.010
mg/L
10
EPA 200.7
0.010
mg/L
SELENIUM
<.010
mg/L
<.010
mg/L
10
EPA 200.7
0.010
mg/L
SILVER
<.005
mg/L
<.005
mg/L
10
EPA 200.7
0.005
mg/L
THALLIUM
<.020
mg/L
.
<.020
mg/L
4
EPA 200.7
0.020
mg/L
ZINC
.106
mg/L
.091
mg/L
26
EPA 200.7
0.010
mg/L
CYANIDE
<.005
mg/L
<.005
mg/L
10
EPA 335.2
0.005
mg/L
TOTAL PHENOLIC
COMPOUNDS
.025
mg/L
.016
mg/L
4
EPA 420.1
0.010
mg/L
HARDNESS (as CaCO3)
55.9
.050
*
4
EPA 200.7
0.662 *
Use this space (or a separate sheet) to provide information on other metals requested by the permit writer * mg equivalent CaCO3/L
L•
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 10 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
Outfall number: 001 (Complete once for each outfall discharging effluent to "waters of the United States.) -
POLLUTANTMLJMDL
,
MAXIMUM DAILY DISCHARGE '
AVERAGE DAILY DISCHARGE
ANALYTICAL .
METHOD
,
Conc.
Units
Mass '
•-Units
•-Conc
Units;,;
Mass
Units
Number
of
Samples
VOLATILE ORGANIC COMPOUNDS
ACROLEIN
< 50.0
ug/L
< 50.0
ug/L
4
EPA 624 _
50.0 ug/L
ACRYLONITRILE
<10.0
ug/L
<10.0
ug/L
4
EPA 624
10.0 ugIL
BENZENE
<1.0
ug/L
<1.0
ug!L
4
EPA 624
1.0 uglL
BROMOFORM -
<1.0
ug/L
<1.0
ug/L
4
EPA 624
1.0 ug/L
CARBON
TETRACHLORIDE
<1.0
ug/L
<1.0
uglL
4
EPA 624
1.0 uglL
CHLOROBENZENE
<1.0
uglL
<1.0
ug/L
4
EPA 624.
1.0 uglL
CHLORODIBROMO-
METHANE
<1.0
ug/L
<1.0
ug/L
4
EPA 624
1.0 ug/L
CHLOROETHANE
<5.0
ug/L
<5.0
ug/L
4
EPA 624
5.0 ug/L
2-CHLOROETHYLVINYL
ETHER
<5.0
ug/L
<5.0
ug/L
4
EPA 624
5.0 ug/L
CHLOROFORM
1.45
uglL
1.1
uglL
4
EPA 624
1.0 ug/L
DICHLOROBROMO=
METHANE
<1.0
ug/L
<1.0
ug/L
4
EPA 624
1.0 ug/L
1,1-DICHLOROETHANE
<1.0
ug/L
<1.0
ug/L
4
EPA 624
1.0 ug/L
1,2-DICHLOROETHANE
<1.0
uglL
<1.0
ug!L
4
EPA 624
1.0 uglL
TRANS-1,2-DICHLORO-
ETHYLENE
<1.0
ug/L
<1.0
ug/L
4
EPA 624
1.0 ug/L
1,1-DICHLORO-
ETHYLENE
<1.0
ug/L
<1.0
ug/L
4 -
EPA 624
1.0 ug/L
1,2-DICHLOROPROPANE
<1.0
ug/L
<1.0
ug/L
4
EPA 624
1.0 ug/L
1,3-DICHLORO-
PROPYLENE
<1.0
uglL
<1.0
uglL
4
EPA 624
1.0 ug/L
ETHYLBENZENE
<1.0
ug!L
<1.0
ug/L
4
EPA 624
1.0 uglL
METHYL BROMIDE
<5.0
uglL
<5.0
ug/L
4
EPA 624
5.0 ug/L
METHYL CHLORIDE
<5.0
ug/L
<5.0
ug!L
4
EPA 624
5.0 ug/L
METHYLENE CHLORIDE
<1.0
ug/L
<1.0
ug/L
4-
EPA 624
1.0 uglL
.1,1,2,2-TETRA-
CHLOROETHANE
<1.0
ug/L
<1.0
uglL
4
EPA 624
1.0 ug/L
TETRACHLORO-
ETHYLENE
<1.0
ug/L
-"
<1.0
ug/L
4
EPA 624
1.0 ug/L
TOLUENE
<1.0
ug/L
<1.0
ug/L
4
EPA 624
1.0 ug/L
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 11 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
Outfall number. 001 (Complete once for each outfa I discharging effluent to waters of the United States.)
POLLUTANT'
. MAXIMUM DAILY DISCHARGE .
'. AVERAGE_ DAILY DISCHARGE `.
ANALYTICAL
METHOD ,
- MUMDL
Conc.
:Units...
Mass
Units'
Conc..
Units
Mass
Units
Number
',, of
Samples
1,1
TRICHLOROETHANE
<1.0
- ug/L
<1.0
ug/L
4
EPA 624
.
1.0 ug/L
1,1,2-
TRICHLOROETHANE
<1.0
ug/L
<1.0
ugh.
4
EPA 624
1.0 ug!L
TRICHLOROETHYLENE
<1.0
ug/L
<1.0
ug/L
4
EPA 624
1.0 ug/L
VINYL CHLORIDE
<5.0
ug/L
<5.0
ug/L
4
EPA 624
5.0 ug/L
Use this space (or a separate sheet) to provide information on other volatile organic compounds requested by the permit writer
ACID -EXTRACTABLE COMPOUNDS
P-CHLORO-M-CRESOL
<10
ug/L
<10
ug/L
4
EPA 625
10.0 ug/L
2-CHLOROPHENOL
<10
ug/L
<10
ug/L
4
EPA 625
10.0 ug/L
2,4-DICHLOROPHENOL
<10
ug/L
<10
ug/L
4
EPA 625
10.0 ug/L
2,4-DIMETHYLPHENOL
<10
ug/L
<10
uglL
4
EPA 625
10.0 ug/L
4,6-DINITRO-O-CRESOL
<50
ug/L
<50
ug/L
4
EPA 625
50.0 ug/L
' 2,4-DINITROPHENOL
<50
ug/L
<50
ug/L
4
EPA 625
50.0 ug!L
2-NITROPHENOL
<10
ug/L
<10
ug/L
4
EPA 625
10.0 ug/L
4-NITROPHENOL
<50
ug/L
<50
ug/L
4
EPA 625
50.0 ug/L
PENTACHLOROPHENOL
<50
ug/L
<50
ug/L
4
EPA 625
50.0 ug/L
PHENOL
<10
ug/L
<10
ug/L
4
EPA 625
10.0 ug/L
2,4,6-
TRICHLOROPHENOL
<10
ug/L
<10
ug/L
, 4
. EPA 625
10.0 ug/L
Use this space (or a separate sheet) to provide information on other acid -extractable compounds reques ed by the permit writer
BASE -NEUTRAL COMPOUNDS
ACENAPHTHENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
ACENAPHTHYLENE
<10.0
ug/L
<10.0
ug/L
• 4
EPA 625
10.0 ug/L
ANTHRACENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
BENZIDINE
<50.0
ug/L
<50.0
ug/L
4
EPA 625
50.0 ug/L
BENZO(A)ANTHRACENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
BENZO(A)PYRENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 12 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
Outfall number. 001 (Complete once for each outfall discharging effluent to waters -of the United States.)
POLLUTANT ,
MAXIMUM DAILY DISCHARGE'.,
AVERAGE DAILY DISCHARGE
ANALYTICAL
METHOD •'
ML/MDL
• Conc.
, Units •
Mass
Units.
Conc.
Units
Mass
' Units
Number
. , `''of •
Samples
3,4 BENZO-
FLUORANTHENE
<10.0
ug/L
•
<10.0
ug/L
4
EPA 625
10.0 ug/L
BENZO(GHI)PERYLENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
BENZO(K)
FLUORANTHENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
BIS (2-CHLOROETHOXY)
METHANE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug!L
BIS (2-CHLOROETHYL)-
ETHER
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
BIS (2-CHLOROISO-
PROPYL) ETHER
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
BIS (2-ETHYLHEXYL)
PHTHALATE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
4-BROMOPHENYL
PHENYLETHER
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
BUTYL BENZYL
PHTHALATE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug1L
2-CHLORO-
NAPHTHALENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
4-CHLORPHENYL
PHENYL ETHER
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
CHRYSENE
<10.0
ug/L
<10.0
uglL
4
EPA 625
10.0 ug/L
DI-N-BUTYL PHTHALATE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
DI-N-OCTYL PHTHALATE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
DIBENZO(A,H)
ANTHRACENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
1,2-DICHLOROBENZENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
1,3-DICHLOROBENZENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
1,4-DICHLOROBENZENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
3,3-DICHLORO-
BENZIDINE
<50.0
ug/L
<50.0
ug/L
4
EPA 625
50.0 ug/L
DIETHYL PHTHALATE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
DIMETHYL PHTHALATE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
2,4-DINITROTOLUENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
2,6-DINITROTOLUENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
1,2-DIPHENYL-
HYDRAZINE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 13 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
Outfall number. 001 (Complete once for each outfall discharging effluent to waters of the United States.)
POLLUTANT •
MAXIMUM DAILY DISCHARGE ..
' AVERAGE DAILY DISCHARGE
ANALYTICAL
METHOD
MUMDL
Conc.
Units
. Mass .
'. Units
Conc.
Units;
- Mass
Units ,
Number
of:
Samples
FLUORANTHENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
FLUORENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
HEXACHLOROBENZENE
. <10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
HEXACHLORO-
BUTADIENE
<10.0
ug/L
<10.0
• ug/L
4
EPA 625
10.0 ug/L
HEXACHLOROCYCLO-
PENTADIENE
<50.0
ug/L
<50.0
ug/L •
4
EPA 625
50.0 ug/L
HEXACHLOROETHANE '
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
INDEN0(1,2,3-CD)
PYRENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
ISOPHORONE
-<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
NAPHTHALENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
NITROBENZENE
<10.0
ug/L
<10.0
ug/L
4
' EPA 625
10.0 ug/L
N-NITROSODI-N-
PROPYLAMINE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
N-NITROSODI-
METHYLAMINE -
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
N-NITROSODI-
PHENYLAMINE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug1L
PHENANTHRENE
<10.0
. ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L "
PYRENE
• <10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
1,2,4
TRICHLOROBENZENE
<10.0
ug/L
<10.0
ug/L
4
EPA 625
10.0 ug/L
Use this space (or a separate sheet) to
provide information
on
other base -neutral compounds
requested
by the permit
writer
Use this space (or a separate sheet) to provide information on other pollutants (e.g , pesticides) requested by the permit writer
' END OF PART D.
REFER TO THE APPLICATION OVERVIEW (PAGE 1) TO DETERMINE WHICH OTHER PARTS
OF FORM 2A YOU MUST COMPLETE •- .
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 14 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
SUPPLEMENTAL APPLICATION INFORMATION.
PART E. TOXICITY TESTING DATA
POTWs meeting one or more of the following criteria must provide the results of whole effluent toxicity tests for acute or chronic toxicity for each of the
facility's discharge points: 1) POTWs with a design flow rate greater than or equal to 1.0 mgd; 2) POTWs with a pretreatment program (or those that are
required to have one under 40 CFR Part 403); or 3) POTWs required by the permitting authority to submit data for these parameters.
• At a minimum, these results must include quarterly testing for a 12-month period within the past 1 year using multiple species (minimum of two
species), or the results from four tests performed at least annually in the four and one-half years prior to the application, provided the results
show no appreciable toxicity, and testing for acute and/or chronic toxicity, depending on the range of receiving water dilution. Do not include
information on combined sewer overflows in this section. All information reported must be based on data collected through analysis conducted
using 40.CFR Part 136 methods. In addition, this data must comply with QA/QC requirements of 40 CFR Part 136 and other appropriate QA/QC
requirements for standard methods for analytes not addressed by 40 CFR Part 136.
• In addition, submit the results of any other whole effluent toxicity tests from the past four and one-half years. If a whole effluent toxicity test
conducted during the past four and one-half years revealed toxicity, provide any information on the cause of the toxicity or any results of a
toxicity reduction evaluation, if one was conducted. •
• If you have already submitted any of the information requested in Part E, you need not submit it again. Rather, provide the information
requested in question E.4 for previously submitted information. If EPA methods were not used, report the reasons for using altemate methods.
If test summaries are available that contain all of the information requested below, they maybe submitted in place of Part E.
If no biomonitoring data is required, do not complete Part E. Refer to the Application Overview for directions on which other sections of the form to
complete. -
E.1. Required Tests.
Indicate the number of whole effluent
IQ chronic El acute
E.2. Individual Test Data. Complete the
column per test (where each species
toxicity tests conducted in the past four and one-half years. 20 Chronic, 4 Acute
SEE E.4 FOR DETAILS.
following chart for each whole effluent toxicity test conducted in the last four and one-half years. Allow one
constitutes a test). Copy this page if more than three tests are being reported.
Test number. Test number. Test number.
a. Test information.
Test Species & test method number •
Age at initiation of test
Outfall number
Dates sample collected
Date test started
Duration
b. Give toxicity test methods followed.
Manual title
Edition number and year of publication
Page number(s)
c. Give the sample collection method(s) used. For multiple grab samples, indicate the number of grab samples used.
24-Hour composite
Grab
d. Indicate where the sample was taken in relation to disinfection. (Check all that apply for each.
Before disinfection
After disinfection
'
After dechlorination
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 15 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
Test number: 1 Test number: 2 Test number: 3
e. Describe the point in the treatment process at which the sample -was collected.
Sample was collected:
f. For each test, include whether the test was intended to assess chronic toxicity, acute toxicity, or both ,
Chronic toxicity
Acute toxicity
g. Provide the type of test performed.
Static
Static -renewal
Flow -through
h. Source of dilution water. If laboratory water, specify type; if receiving water, specify source.
Laboratory water
Receiving water
-
i. Type of dilution water. If salt water, specify "natural" or type of artificial sea salts or brine used.
Fresh water
Salt water
j. Give the percentage effluent used for all concentrations in the test senes:
•
k. Parameters measured during the test. (State whether parameter meets test method specifications)
Ph
Salinity
Temperature
Ammonia
Dissolved oxygen
I. Test Results.
Acute:
Percent survival in 100%
effluent
LC51,
95% C.I.
%
%
%
Control percent survival
%
%
%
Other (describe)
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 16 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
Chronic:
• NOEC
IC25
%
%
%
Control percent survival
%
%
%
Other (describe)
_
m. Quality Control/Quality Assurance.
Is reference toxicant data available?
Was reference toxicant test within
acceptable bounds?
What date was reference toxicant test
run (MM/DD/YYYY)?
/ /
/ /
/ /
Other (describe)
.
E.3. Toxicity Reduction Evaluation.
❑ Yes ® No
Is the treatment works involved in a Toxicity Reduction Evaluation?
If yes, describe: N/A •
E.4. Summary of Submitted Biomonitoring Test Information. If you have
cause of toxicity, within the past four and one-half years, provide the dates
of the results.
Date submitted: / / (MM/DD/YYYY)
submitted biomonitoring test information, or information regarding the
the information was submitted to the permitting authority and a summary
1 test failed since Jan. 2003. It occurred in July of 2003. At that time
Summary of results: (see instructions)
Troy has submitted WET testing as required by NPDES permit. Only
a textile industry was having ammonia problems. That was fixed, the industry shortly thereafter closed. Troy has had no failures since
2003.
END OF PART E
•; REFER TO• THE- APPLICATION OVERVIEW (PAGE 1) TO DETERMINE WHICH OTHER PARTS
OF FORM 2A YOU MUST COMPLETE.
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22. Page 17 of 22

FACILITY NAME AND PERMIT NUMBER: . ,
Town of Troy, NO0028916 .
PERMIT ACTION REQUESTED:
RENEWAL .
RIVER BASIN:
YADKIN-PEE DEE
SUPPLEMENTAL INFORMATION,.
K
v ,
'.' Oivit:0:INDusTRIAL USER DISCHARGES AND lickAiotOiCLA.WAiTE
All treatment works receiving discharges from significant industrial users
complete part F.
GENERAL INFORMATION:
or which receive RCRA,CERCLA,
to, an approved pretreatment program?
Users (ClUs). Provide the number
or other remedial wastes must
of each of the following types of
questions F.3 through F.8 and
F.1. Pretreatment program.. Does the treatment works have, or is subject
El Yes _ 1:1 No
• F.2. Number of Significant Industrial Users (Sills) and Categorical Industrial
industrial users that discharge to the treatment works.
• a: Numberof non -categorical SlUs. 1
b. Number of ClUs. • 0
SIGNIFICANT INDUSTRIAL USER INFORMATION:
to the treatment works, copy
Supply the following information for each SIU. If more than one SIU discharges
provide the information requested for each SIU.
F.3. Significant Industrial User Information. Provide the name and address of each.SIU discharging to the treatment works. Submit additional pages
as necessary.
Name: Capel Rugs, Inc
• Mailing Address: North Main Street/NC-134
Troy, NC 27371
F.4. Industrial Processes. Describe all the industrial processes that affect or contribute to the SIU's discharge.
Dyeing of braided rugs. ,
F.5. Principal Product(s) and Raw Material(s). Describe all of the principal processes and raw materials that affect or contribute to the SIU's
discharge.
Principal product(s): Braided rugs
Raw material(s): Yarn & dye
F.6: Flow Rate.
a. Process wastewater flow rate. Indicate the average daily volume of process wastewater discharge into
day (gpd) and whether the discharge is continuous or interthittent.
38,000 gpd ( continuous or X " intermittent)
the collection system in gallons per
discharged into the collection system
. . b. Non -process wastewater flow rate. Indicate the average daily volume of non -process wastewater flow
in gallons per day (gpd) and whether the discharge is continuous or intermittent.
200 gpd ( continuous or X intermittent)
_..
F.7. Pretreatment Standards. Indicate whether the SIU is subject to the following:
a. Local limits EI Yes • 0 No •
b. Categorical pretreatment standards D Yes •El No
If subject to categorical pretreatment standards, which category and subcategory?
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
' Page 18 of 22

FACILITY NAME AND PERMIT NUMBER:
Town ofTroy, NC0028916
. PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE.DEE
F.8. Problems at the Treatment Works Attributed to Waste Discharge by the SIU. Has the SIU caused or contributed to any problems (e.g.,
upsets, interference) at the treatment works in the past three years?
❑ Yes El No If yes, describe each episode. -
RCRA HAZARDOUS WASTE RECEIVED BY TRUCK, RAIL, OR DEDICATED PIPELINE:
F.9. RCRA Waste. Does the treatment works receive or has it in the past three years received RCRA hazardous waste by truck, rail or dedicated pipe?
0 Yes ® No (go to F.12)
F.10. Waste transport Method by which RCRA waste is received (check all that apply):
❑ Truck ' ❑ Rail 0 Dedicated Pipe
F.11. Waste Description. Give EPA hazardous waste number and amount (volume or mass, specify units).
EPA Hazardous Waste Number . Amount Units
CERCLA (SUPERFUND) WASTEWATER, RCRA REMEDIATION/CORRECTIVE ACTION
WASTEWATER, AND OTHER REMEDIAL ACTIVITY WASTEWATER:
F.12. Remediation Waste. Does the treatment works currently (or has it been notified that it will) receive waste from remedial activities?
-' ❑ Yes (complete F.13 through F.15.) ® No
F.13. Waste Origin. Describe the site and type of facility at which the CERCLA/RCRA/or other remedial waste originates (or is excepted to origniate in
the next five years).
F.14. Pollutants. List the hazardous constituents that are received (or are expected to be received). Include data on volume and concentration, if
known. (Attach additional sheets if necessary.)
F.15. Waste Treatment.
a Is this waste treated (or will be treated) prior to entering the treatment works?
❑ Yes ❑ No
If yes, describe the treatment (provide information about the removal efficiency): .
b. Is the discharge (or will the discharge be) continuous or intermittent?
❑ Continuous ' ❑ Intermittent If intermittent, describe discharge schedule.
END OFPARTF
REFER TO THE APPLICATION OVERVIEW (PAGE 1)=TO DETERMINE, WHICH OTHER PARTS
, OF FORM 2A YOU. MUST COMPLETE
EPA Form 3510-2A (Rev. 1-99).Replaces .EPA forms 7550-6 8' 7550-22.
Page 19 of 22

FACILITY NAME AND PERMIT NUMBER: -
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL
RIVER BASIN:
YADKIN-PEE DEE
SUPPLEMENTAL APPLICATION INFORMATION •
,.
.
PART G ,'COMBINED.SEWER tYSTEMS
If the treatment works has a combined sewer system, complete Part G. .
G.1. System Map. Provide a map indicating the following: (may be included
a. All CSO discharge points. -.
b. Sensitive use areas potentially affected by. CSOs (e.g., beaches,
outstanding natural resource waters).
• c. Waters that support threatened and endangered species potentially
G.2. System Diagram. Provide a diagram, either in the map provided in G.1
includes the following information.
a. Location of major sewer trunk lines, both combined and separate
b. Locations of points where separate sanitary sewers feed into the
c. Locations of in -line and off-line storage structures.
d. Locations of flow -regulating devices.
e. Locations of pump stations.
CSO OUTFALLS:
with Basic Application Information)
drinking water supplies, shellfish beds, sensitive aquatic ecosystems, and
affected by CSOs.
or on a separate drawing, of the combined sewer collection system that
sanitary.
combined sewer system.
•
Complete questions G.3 through G.6 once for each CSO discharge point.
G.3. Description of Outfall. • -
a. Outfall number `
b. Location -
(City or town, if applicable) (Zip Code)
(County) (State)
(Latitude) (Longitude)
c. Distance from shore (if applicable) - ft.
d. Depth below surface (if applicable) ft.
e. Which of the following were monitored during the last year for this
❑ Rainfall ❑ CSO pollutant concentrations
❑ CSO flow volume ❑ Receiving water quality
f. How many storm events were monitored during the last year?
G.4. CSO Events.
a. Give the number of CSO events in the last year.
events (❑ actual or ❑ approx.)
CSO?
0 CSO frequency
b.. Give the average duration per CSO event.
hours (❑ actual or 0 approx.)
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22.
Page 20 of 22

FACILITY NAME AND PERMIT NUMBER:
Town of Troy, NC0028916
PERMIT ACTION REQUESTED:
RENEWAL .
RIVER BASIN:
YADKIN-PEE DEE
G.5.
G.6.
c. Give the average volume per CSO event.
million gallons (❑ actual or ❑ approx.)
_
d. Give the minimum rainfall that caused a CSO event in the last year
Inches of rainfall
Description of Receiving Waters.
a. Name of receiving water:
b. Name of watershed/river/stream system:
United State Soil Conservation Service 14-digit watershed code
c. Name of State Management/River Basin:
(if known):
United States Geological Survey 8-digit hydrologic cataloging unit
CSO Operations.
Describe any known water quality impacts on the receiving water caused
intermittent shell fish bed closings, fish kills, fish advisories, other recreational
code (if known):
by this CSO (e.g., permanent or intermittent beach closings, permanent or
loss, or violation of any applicable State water quality standard).
END OF PARTG..'
REFER TO THE APPLICATION OVERVIEW (PAGE 1) TO DETERMINE WHICH OTHER PARTS
OF FORM 2A YOU MUST COMPLETE.
EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22. Page 21 of 22

Additional information, if provided, will appear on the following pages.
NPDES FORM 2A Additional Information