NC0020761_PERMIT ISSUANCE_20031231

NPDES DOCU WENT SCANN1NS COVER SHEET
NPDES Permit:
NC0020761
North Wilkesboro WWTP
Document Type:
Permit Issuance 1
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Speculative Limits
Instream Assessment (67b)
Environmental Assessment (EA)
Permit
History
Document Date:
December 31, 2003
This document is printed on reuse paper - ignore any
content on the reverse side

Michael F. Easley, Governor
State of North Carolina
December 31, 2003
Mr. W.H. Perkins, Jr., Town Manager
Town of North Wilkesboro
P.O. Box 218
William G. Ross, Jr., Secretary
Department of Environment and Natural Resources
Alan W. Klimek, P.E., Director
Division of Water Quality
North Wilkesboro, North Carolina 28659
Subject: NPDES Final Permit
vi.• ,
Thurman Street WW1'P
Permit No. NCO020761
Wilkes County
Dear Mr. Perkins:
In accordance with the application for discharge permit, the Division is forwarding
herewith the subject NPDES permit for the Town of North Wilkesboro, Thurman Street Wastewater
Treatment Plant (WWTP), NPDES No. NC0020761. This permit is issued pursuant to the
requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement
between North Carolina and the U.S. Environmental Protection Agency dated May 9, 1994.
The Division of Water Quality (the Division) received Mr. Jimmy Martin's comments on the
draft permit. Based on these comments, the following changes have been made from the draft
permit:
• The typographical errors have been corrected (toxicity testing quarters).
As explained to Mr. Martin - the pollutant scan specified in Part A.(3.) of the permit should be
performed annually. However, in order to gather information on seasonal variability, please
vary the quarter in which the samples are taken every year. For example, if the samples are,
collected in January one year, you may wish to collect them in April the next year (July the .
next, etc.). This should satisfy the testing requirement for the Town's next renewal
application.
• Some minor changes have been made to the permit based on EPA Region IV comments.
• A copy of the reporting form for the pollutant scan is being forwarded to Mr. Martin with this
permit. The Town may use this form or a similar form, as long as the required parameters are
collected and reported. They may be attached as an appendix to the appropriate DMR report
form.
Other than those changes listed above. no major changes have been made to this final permit
from the draft permit dated November 5, 2003.
If any parts, measurement frequencies, or sampling requirements contained in this permit
are unacceptable to you, you have the right to an adjudicatory hearing upon written request
within thirty (30) days following receipt of this letter. This request must be in the form of a
written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed
with the office of Administrative Hearings, Mail Service Center 6714, Raleigh, North Carolina
27699-6714. Unless such a demand is made, this permit shall be final and binding.
Please take notice that this permit is not transferable except after notice to the Division of
Water Quality. The Division of Water Quality may require modification or revocation and
reissuance of the permit.
North Carolina Division of Water Quality [phone]
1617 Mail Service Center FAX [phone]
Raleigh, North Carolina 27699-1617 On the Internet at http://h2o.enr.state.nc.us/

Mr. Perkins
Page 2
This permit does not affect the legal requirements to obtain other permits, which may be
required by the Division of Water Quality, the Division of Land Resources, the Coastal Area
Management Act, or any other federal or local governmental permit.
If you have any questions regarding this NPDES permit, please contact Susan Wilson at
(919) 733 - 5083, extension 510.
Sincerely,
ORIGINAL SIGNED By
Mark McIntire
Alan W. Klimek, P.E.
cc: Mr. Jimmy Martin, ORC
Town of North Wilkesboro (w/Pollutant Scan Reporting Form. DMR PPA-1)
Roosevelt Childress, EPA Region IV (Permit and Fact Sheet Amendment)
Winston-Salem Regional Office/Water Quality Section
NPDES Unit
Aquatic Toxicology Unit
Central Files

PermitN00020761
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provisions of North Carolina General Statute 143-215.1, other
lawful standards and regulations promulgated and adopted by the North Carolina
Environmental Management Conunission, and the Federal Water Pollution Control
Act, as amended,
Town of North Wilkesboro
is hereby authorized to discharge wastewater from a facility located at the
Thurman Street WWTP
100 Thurman Street
North Wilkesboro
Wilkes County
to receiving waters designated as the Yadkin River in the Yadkin Pee -Dee River Basin
in accordance with effluent limitations, monitoring requirements, and other
conditions set forth in Parts I, II, III, and IV hereof.
The permit shall become effective February 1, 2004.
This permit and the authorization to discharge shall expire at midnight on September 30,
2008.
Signed this day December 31, 2003.
ORIGINAL SIGNED BY
Mark McIntire
Alan W. Klimek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission

Permit NC00207.61
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge, are hereby
revoked. [The exclusive authority to operate this facility arises under this permit. The authority to
operate the facility under previously issued permits bearing this number is no longer effective.]
The conditions, requirements, terms and provisions of this permit authorizing discharge under the
NPDES govern discharges from this facility.
Town of North Wilkesboro
is hereby authorized to:
1. Continue to operate an existing 2.0 MGD wastewater treatment facility
consisting of a mechanical bar screen and manual bypass bar screen,
grit chamber, influent pump station, influent flow measurement, primary
clarification, dual aeration basins, secondary clarification, chlorine
disinfection, sodium bisulfate dechlorination, flow measurement, aerobic
digestion, sludge thickening, sludge drying beds, and sludge storage
located at the Thurman Street WWTP at 100 Thurman Street in the Town.
of North Wilkesboro in Wilkes County.
2. Discharge from said treatment'works at the location specified on the
attached map into the Yadkin River, a class C water in the Yadkin River
Basin.

%��h(_
j.,\
SCALE 1:24000
Latitude:
W09'44"
Longitude:
81'08'02"
Quad #:
C14NW
Steam Class:
C
Receiving Strewn:
Yodlon River
Permitted Flow:
2,0 MGD
L
q
Facility
&F .'ILocation
-el
Towo of Nofth Wilkesboro
NCO020761

Permit NCO020761
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
Beginning on the effective date of this permit and lasting until expiration, the Permittee is authorized to
discharge treated wastewater from Outfall 001. Such discharges shall be limited and monitored by the
Permittee as specified below:
IiFFLU V NTU M ITX110NS
MONITORING REQUIREMENTS
PAIL\MIS 11_A
Moodily AverageAvera
Weekly
Daily
�\leasuremnnt
Sample "I'vpc
Sample
6 e
1%1l inmm
pre uencv
9
�
Lttcation I
Flow
2.0 1\1GD
Continuous'
Recording
Influent or
I7ffluent
IiOD,, 20^C2
30.0 ntg/l.
45.0 mg/I,.
3/Week
Composite
Influent,
Glflucnt
"total Suspended Solids=
30.0 mg/I.
45.0 mg/l.
3/Week
Composite
Influent,
Effluent
Nlia as N
9.0 mg/l,
27.0 mg/l,
3/Week
Composite
Effluent
(April 1-October 31)
NIi3 as N
24.0 mg/L
35.0 1719/1,
3/Aleek
Composite
Effluent
(November 1-March 31)
Effluent,
Fccal Colifuan
200/100 ml
4001100 m1
3/Week
Grab
Upstream,
Downstremn
Total Residual Chlorine
28 pg/L
3/\Ckek
Grab
i?fflucnt
Temperature,,,C
3/Weck
Grab
Effluent
1i11
Within the range of 6.0 to 9.0 standard units at all
r
3/\C eck
Grab
Effluent
times
"total Nitrogen
-
� �;-.Monthly
Composite.
Effluent
Total Phosphorus
Mixuhly
Composite
Effluent
Chronic Toxicity,
Quarterly
Composite
1lfflucnt
Footnotes:
1. Sample Locations: Upstream — Upstream 100 yards above outfall; Downstream- Downstream 100 yards
below the outfall. As a member of the Yadkin -Pee Dee River Basin Association, the subject facility is not
responsible for conducting the instream monitoring requirements summarized above. Should your
membership in the Association be terminated. the Division shall be immediately notified and all instream
monitoring requirements will be immediately reinstated.
2. The monthly average effluent BOD, and total suspended residue concentrations shall not exceed 15% of
their respective influent value (85% removal).
3. Chronic Toxicity (Ceriodaphnia) P/F ® 1.5%, January, April, July and October; see condition A. (2) of this
permit.
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR VISIBLE FOAM IN OTHER THAN TRACE AMOUNTS.

Permit NCO020761
A. (2) CHRONIC TOXICITY PERMIT LINIIT (QUARTERLY)
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant
mortality to Ceriodaphnia dubfa at an effluent concentration of 1.5%.
The permit holder shall perform at a minimum, quarterly monitoring using test procedures outlined in
the "North Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised February 1998, or
subsequent versions or "North Carolina Phase 11 Chronic Whole Effluent Toxicity Test Procedure"
(Revised -February 1998) or subsequent versions. The tests will be performed during the months of
January, April, July, and October. Effluent sampling for this testing shall be performed at the
NPDES permitted final effluent discharge below all treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV below
the permit limit, then multiple -concentration testing shall be performed at a minimum, in each of the
two following months as described in "North Carolina Phase II Chronic Whole Effluent Toxicity Test
Procedure" (Revised -February 1998) or subsequent versions.
The chronic value for multiple concentration tests will be determined using the geometric mean of the
highest concentration having no detectable impairment of reproduction or survival and the lowest
concentration that does have a detectable impairment of reproduction or survival. The definition of
"detectable impairment," collection methods, exposure regimes, and further statistical methods are
specified in the "North Carolina Phase It Chronic Whole Effluent Toxicity Test Procedure" (Revised -
February 1998) or subsequent versions.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form (MR-1) for the months in which tests were performed, using the parameter
code TGP313 for the pass/fail results and THP313 for the Chronic Value. Additionally, DWQ Form AT-3
(original) is to be sent to the following address:
Attention: North Carolina Division of Water Quality
Environmental Sciences Branch
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Environmental Sciences Branch no later
than 30 days after the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved designate
signature. Total residual chlorine of the effluent toxicity sample must be measured and reported if
chlorine is employed for disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month in which toxicity monitoring is
required, the Permittee will complete the information located at the top of the aquatic toxicity (AT) test
form indicating the facility name, permit number, pipe number, county, and the month/year of the
report with the notation of "No Flow" in the comment area of the form. The report shall be submitted to
the Environmental Sciences Branch at the address cited above.
Should the Permittee fail to monitor during a month in which toxicity monitoring is required,
monitoring will be required during the following month.
Should any test data from this monitoring requirement or tests performed by the North Carolina
Division of Water Quality indicate potential impacts to the receiving stream, this permit may be re-
opened and modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control
organism survival, minimum control organism reproduction, and appropriate environmental controls,
shall constitute an invalid test and will require immediate follow-up testing to be completed no later
than the last day of the month following the month of the initial monitoring.

Permit NCO020761
A. (3.) EFFLUENT POLLUTANT SCAN
The Permittee shall perform an annual Effluent Pollutant Scan for all parameters listed in the attached table (in
accordance with 40 CFR Part 136). Samples shall represent seasonal variations. The analytical methods shall
be sufficiently sensitive to determine whether parameters are present in concentrations greater than applicable
standards and criteria. Unless otherwise indicated, metals shall be analyzed as -total recoverable."
Ammonia (as N)
Trans-1,2-dichloroethylene
Bis(2-chloroethyl) ether
Chlorine (total residual, TRC)
1,1-dichloroethylene
Bis (2-chloroisopropyl) ether
Dissolved oxygen
1,2-dichloropropane
Bis (2-ethylhexyl) phthalate
Nitrate/Nitrite
1,3-dichloropropylene
4-bromophenyl phenyl ether
Kleldahl nitrogen
Ethylbenzene
Butyl benzyl phthalate
Oil and grease
Methyl bromide
2-chloronaphthalene
Phosphorus
Methyl chloride
4-chlorophenyl phenyl ether
Total dissolved solids
Methylene chloride
Chrysene
' Hardness
1,1,2,2-tetrachloroethane
Di-n-butyl phthalate
Antimony
Tetrachloroethytene
Di-n-octyl phthalate
Arsenic
Toluene
Dibenzo(a,hlanthracene
Beryllium
1,1,1-trichloroethane
1,2-dichlorobenzene
Cadmium
1,1,2-trichloroethane
1,3-dichlorobenzene
Chromium
Trichloroethylene
_ 1,4-dichlorobenzene
Copper _
Vinyl chloride
3,3-dichlorobenzidine
Lead
Acid -extractable compounds, ..
Diethyl phthalate
Mercury
P-chloro-m-cresol
Dimethyl phthalate
Nickel
2-chlorophenol
2,4-dinitrotoluene
.... ... . Selenium
2,4-dichlorophenol
:.2,6-dinitrotoluene
Silver
2,4-dimethylpheool
-1,2-diphenylhydrazine
Thallium
4,6-dinitro-6-cresol
Fluoranthene
' Zinc
2,4-dinitiophenol -
- 'Fluorene
Cyanide
2-nitrophenol
Hexachlorobenzene
Total phenolic compounds
4-intophenol
Hexachlorobutadiene
Volatile organic compounds
Pentachlorophenol
Hexachlorocyclo-pentadiene
Acrolem
Phenol
Hexachloroethane
Acrylonitrile
2,4,6-trichlorophenol
Indeno(1,2,3-cd)pyrene
Benzene
Base -neutral compounds:
Isophorone
Bromoform
Acenaphthene
Naphthalene
Carbon tetrachloride
Acenaphthylene
Nitrobenzene
Chlorobenzene
Anthracene
N-nitrosodi-n-propylamine
Chlorodibromomethane
Benzidine
N-nitrosodimethylamine
Chloroethane
Benzo(a)anthracene
N-nitrosodiphenylamine
2-chloroethylvinyl ether
Benzo(alpyrene
Phenanthrene
Chloroform
3A benzofluoranthene
Pyrene
Dichlorobromomethane
Benzo(ghi)perylene
1,2,4-tichlorobenzene
1,1-dichloroethane
Benzo(k)tluoranlhene
1,2-dichloroethane
Bis(2-chloroethoxy) methane
Test results shall be reported to the Division in DWQ Form- A MR-PPAI or in a form approved by
the Director within 90 days of sampling. The report shall be submitted to the following address:
Division of Water Quality, Water Quality Section, Central Files, 1617 Mail Service Center,
Raleigh, North Carolina 27699-1617.

DENR/DWQ
FACT SHEET AMMENDMENT
TOWN OF NORTH WILKESBORO
NPDES PERMIT NPDES No. NCO020761
REVIEW OF ADDITIONAL INFORMATION
As requested, the permittee submitted additional testing information (dissolved oxygen,
nitrate/nitrite, oil & grease, total dissolved solids). This information will be submitted to EPA
Region IV (and is necessary for a complete application). Three samples of each were completed
(although due to the time frame - they were sampled over consecutive days, it appears).
None of the information submitted necessitates a change in limits or requirements from
the draft permit.
PROPOSED SCHEDULE FOR PERMIT ISSUANCE
Draft Permit to Public Notice: November 8, 2003
Permit Scheduled to Issue: December 31, 2003
NPDES DIVISION CONTACT
If you have questions regarding any of the above information or on the attached permit, please
contact Susan Wilson at (9/119)) 733-5083 ext..510.
NAME: �W✓ `' DATE: I Z 31 0 -3
Fact Sheet.
NPDt:S NC0020761 Renewal
Page 1

12/29/2003 17:18 3368381779
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Alen S74,
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
REGION 4
$ ATLANTA FEDERAL CENTER
Z;F t 10 61 FORSYTH STREET
Hl, P'01�GATLANTA, GEORGIA 30303-8960
0 4 2003
Ms. Toya Fields
North Carolina Department of Environment and
Natural Resources
Division of Water Quality
NPDES Unit
1617 Mail Service Center
Raleigh, NC 27699-1617
SUBJ: Draft NPDES Permit
Town of North Wilkesboro
Permit No. NCO020761
Dear Ms. Fields:
In accordance with the EPA/NCDENR MOA, we have completed review of the draft permit
referenced above and have no comments. We request that we be afforded an additional review
opportunity only if significant changes are made to the draft permit prior to issuance or if significant
comments objecting to it are received. Otherwise, please send us one copy of the final permit when
issued.
Sincerely,
Marshall Hyatt, Environmental Scientist
Permits, Grants, and Technical Assistance Branch
Water Management Division
Internet Address (URL) a http://www.spa.gov
Recycled/Racyclable a Pdnled with Vegetable ON Based Inks on Recycled Paper (Minimum 30%Poslconsumer)

LIJ� � gj-b�

DENR/DWQ
FACTStIEET FOR NPDES PERMIT DEVELOPMENT
NPDES No. NC0020761
Facility Information
Applicant/Facility Name:
Town of North Wilkesbororrhurman Street WWTP
Applicant Address:
P.O. Box 218; North Wilkesboro, North Carolina 28659
Facility Address:
100 Thurman Street North Wilkesboro, North Carolina 28659
Permitted Flow
2.0 MGD
Type of Waste:
Domestic (95%) and industrial (5%) with pretreatment P1 o gram;
Facility/Permit Status:
Grade III /Active: Renewal
Count
Wilkes Count
Receiving Stream:
Yadkin River
Regional Office: I
Winston-Salem
Stream Classification:
C
State Grid / USGS Quad:
C 14NW
303(d) Listed?
No
Permit Writer:
Natalie V. Sierra
Subbasin:
03-07-01
Dater
October 8, 2003
Drainage Area (mi):
526
r ,
` n�
Lat. 360 09' 44" N Long. 81° OS' 02" W
Summer 7Q 10 (cfs)
196
Winter 7Q 10 (cfs):
267
30Q2 (cfs)
393
Average Flow (cfs):
683
1WC (%):
1.5%n
BACKGROUND
North Wilkesboro's Thurman Street WWTP is it 2.0 MGD Grade III facility serving the town of
North Wilkesboro and the communities of Millets Creek and Broadway, as well as one
Significant Industrial User (SIU). The facility has a full pretreatment program with the Division
of Water Quality's Pretreatment Unit that will continue to be implemented in the next permit
term. This facility is it member of the Yadkin -Pee Dee River Basin Association, a monitoring
coalition for the Yadkin -Pee Dee River Basin.
The permit was first issued on March 29, 1999 and the last permit modification was issued July
19, 1999. The permit expired on September 30, 2003. The Permittee applied for renewal by
submitting EPA Form 2A on February 20, 2003. The Permittee reports no major changes to the
facility since the previous renewal and has not requested any changes to the permit.
Instream Monitoring and Verification of Existing Conditions and DNIR Data Review
This facility discharges to the Yadkin River in sub -basin 03-07-01 of the Yadkin -Pee Dee River
Basin. At the point of discharge, the Yadkin River is classified as C waters and is not listed as an
impaired stream [303 (d)-listed as of 20021.
Instream data downstream of the site were available for temperature, dissolved oxygen (DO),
fecal coliform and conductivity. Temperatures appear seasonally appropriate and all DO
concentrations are above 5.0 mg/L, the water quality standard. Fecal coliform concentrations are
highly variable, ranging from LO cfu/100 mL to 700-cfu/100 mL. Without upstream data to
compare with the downstream values, there is no way to determine whether the discharge is
having an impact on this parameter. Unfortunately, the nearest upstream monitoring station is
about IS miles upstream of the discharge, which is too far away From the downsucam station to
provide useful comparison. For this reason, downstream conductivity cannot be well evaluated.
Discharge Monitoring Reports (DMRs) dating from January 2001-May 2003 were reviewed to
evaluate the effluent data from this facility.
roa_
ku9 shi et
\PDFS NC0020761 Rcnc%�al
I'aec I

The conventional parameters are summarized in Table 1, below. The data indicate that the
facility has been in compliance with all monthly average limits during the period of review. Data
for total nitrogen, total phosphorus, ammonia nitrogen and total residual chlorine arc summarized
in Table 2. Total nitrogen and phosphorus values seem typical for this type of facility and
ammonia nitrogen and total residual chlorine values are within permit limits.
r0.7606 1266 562 153.01
2.0
Maximm o 9.D
Minimum 1 05710 11.7 3.16 1 3.0 1 1.0
Table 1 - NCO020761 DMR Data for conventional parameters (January 2001-May 2003).
Table 2 - NCO020761 DMR Data for conventional parameters (.lanuary 2001-May 2003).
Toxicant data are collected through the Pretreatment Long Term Monitoring Plan (LTMP) and
are discussed in the Reasonable Potential Analysis section of this fact sheet.
Correspondence
The Winston-Salem Regional Office (WSRO) conducted site visits over the course of the
previous permit term to evaluate the facility's compliance with the NPDES permit. The facility
was found to be in compliance. A compliance review of the period from January 2001 through
September 2003 showed no Notices of Violation (NOVs). The facility has passed all toxicity
tests within this permit term.
PERMITTING STRATEGY
Waste Load Allocation (WLA)
The Division prepared the last WLA for the previous permit renewal. The previous and current
effluent limits were based on guidelines and water quality standards. The Division has judged
previous parameters and limits to be appropriate for renewal with some exceptions. Two permit
conditions have changed as a result of a change in Division permitting guidance.
Weekly average ammonia limits based on it 3:1 ratio with the monthly average (but no higher
than 35.0 mg/L) will be implemented in this permit. This is a new statewide policy that resulted
from EPA requirements. The current summer monthly average limit is 9.0 mg/L, which results
in a summer weekly average limit of 27.0 mg/L. Likewise, the winter monthly average limit is
24.0 mg/L, so the winter weekly average limit is 35.0 mg/L.
In addition, an annual pollutant scan will be added such that the Permiltee can collect the
necessary Claw required by EPA Form 2A throughout the permit term. This condition is now
standard on all major municipal permits in North Carolina.
Reasonable Potential Analysis (RPA)
The Division conducted EPA -recommended analyses to determine the reasonable potential for
toxicants to be discharged by this facility, based on data from the pretreatment Long Term
Monitoring Plan (LTMP). No toxicants are currently monitored through the NPDES permit.
The reasonable potential analysis was performed for arsenic, cadmium, chromium, copper,
cyanide, mercury, lead, nickel, silver, selenium and zinc. The results indicate no reasonable
polential for the facility to discharge any of these parameters. They will continue to be
monitored through the LTMP, but no additional monitoring is required.
Fact Shcei
NP'DF.S NCO02076I Rcucwal
I'agc _

Priority Pollutant Analysis (PPA)
The Permitlee submitted four PPAs with the renewal application. Chloroform, calcium,
magnesium, phenol, methylene chloride and zinc were detected in these analyses. A reasonable
potential analysis indicated that these were not present in levels that are a threat to water quality.
SUMMARY OF PROPOSED CHANGES
In keeping with Division policies, the following will be incorporated into the permit:
• Summer and winter weekly average ammonia limits
• Annual pollutant scan
PROPOSED SCHEDULE FOR PERMIT ISSUANCE
Draft Permit to Public Notice: October 23, 2003
Permit Scheduled to Issue: December 23, 2003
NPDES DIVISION CONTACT
If you have questions regarding any of the above information or on the attached permit, please contact
Natalie Sierra at [phone] ext. 551.
NAM
REGIONAL OFFICE COMMENTS
NAME:
DATE:
I n(l Shccr
NPD �S 1C00'O5'01 Rcrx\ea
1 uec

Facdui Name =
Oir (MGD) _
WR''LP Classification
NPDLS#=
Receivinl- Stream
Ilvc (%) _
Final Results
'['own of North Wilkesboro
3
NC0020761
Yadkin River
1.56
Reasonable Potential Sununary
/° 20 3° 4°
Stream Classification C
7QIOs (cfs)= 196
30Q2 refs) 393
Qavg (cis) fi83
Arsenic
!Implementation
Max. Pred Cw
- 5.0 µg/I
Are all reported values less than?
Yes
Limit?
No
IMonitoring
Allowable Cw
3211.3 µg/I
Is the detection limit acceptable'?
Yes
Monitor?
No
I Frequency None
Cadmium
Implementation
Max. Pied Cw
1.0 µg/I
Are all reported values less than?
Yes
Limit?
No
'Monitoring
Allowable Cw
128.5 µg/I
I Is the detection limit acceptable'?
Yes
Monitor?
No
Frequency None
1/2 FAV (non TI'out)
1/2 FAV (Trout)
2.1 µsA
1/2 FAVI
42 µg/I
Chloroform
!Implementation
Max. Pred Cw
14.93 µg/I
Are all reported values less than?
No
Limit?
No
I Monitoring
Allowable Cw
Not aPOC µg/1
Is the detection limit acceptable?
'Yes
Monitor?
No
Frequency None
Chromium
Implementation
Max. Pred Cw
2.5 µg/I
Are all reported values less than?
Yes
Limit?
No
!Monitoring
Allowable Cw
121 L3 µe/I
I Is the detection limit acceptable'?
Yes
. Monitor?
No
I Frequency None
1/2 FAV
- 1022 µgA
...........................
Colilief
;,
Implementation
i
Max. Pred Cw
26.8 µg/I
.Are all reported values less than?
No
Limit?
No
!Monitoring
Allowable Cw
449.6 µe/I
Is the detection limit acceptable'?
Yes
Monitor?
No
(Frequency None
1/2 FAV
7.3 µg/I
1/2 FAVI
5.8 µg/I
Cvanide
Implementation
Ma.x. Pred Cw
2.5 µg/I
IAre all reported values less than?
Yes
Limit?
No
!monitoring
.Allowable C%v
321.1 µ �/I
I Is the detection limit acceptable?
Yes
Monitor?
No
I Frequency None
1/2 FAV
22.0 µe/I
I
I/2 FAVI
1.0 µg/I
Lead
!Implementation
Max. Pred Cw
5.0 µg/I
Are all reported values less than?
Yes
Limit?
No
IMonitoring
Allowable Cw
1605.E µ /I
Is the detection limit acceptable?
Yes
Monitor?
No
Frequency None
1/2 Fav
33.8 µ'/I
1/2 FAV
221.0 µg/I
Mercury
Ihmplententation
Max. Pred Cw
0.0010 µg/I
IAre all reported values less than?
Yes
Limit?
No
IMonitoring
Allowable Cw
0.7707 µg/I
;Is the detection limit acceptable?
'Yes
Monitor?
No
'Frequency None

Nickel
lImplementation
I ,
Max. Pred Cw
5.0 µg/I
IAre all reported values less than?
No
Limit?
No
!Monitoring
Allowahle Cw
5651.9 µe/I
Its the detection limit acceptable?
Yes
Monitor?
No
(Frequency None
1/2 FAVI
261.0 µ /I
1/2 FAV I
75.0 µg/I
Phenol
, Implementation
Max. Pred Cw
30.0000 µg/I
IAre all reported values less than?
No
Limit?
No
(Monitoring
Allowable Cw
No Standard µg/I
;Is the detection limit acceptable?
Yes -
Monitor?
No
j Frequency None
Silver. I„
:.:.
i Implementation
i
Max Pred Cw
5.0 µg/I
.Are all reported values less than?
Yes
Limit'?
No
!Monitoring
Allowable Cw
3.9 fig1l
I Is the detection limit acceptable?
_Yes
Monitor'?
No
I Frequency None
1/2 FAV
1.2 µe/l
1/2 FAVI
1.9 µg/l
Selenium
Implementation
Max. Pred Cw
5.0 µg/1
IAre all reported values less than?
Yes
Limit?
No
Monitoring
Allowable Cw
321.1 µg/I
Its the detection limit acceptable'?
Yes
Monitor?
No
(Frequency None
Zinc
.. _ _ _
I Implementation
Max. Pred Cw
281.0 µg/I
Are all reported values less than?
No
Limit'?
No
Monitoring
!Is
iFfegUenCy
Allowable Cw
3211.3 µg/l
the detection limit acceptable'?
.Yes .
Monitor?
No
None
-
1/2 FAV
67.0 1 µg/I
I
I
1/2 FAVI
95.0 µg/l

Facility Name =
NPDE.S # =
Qn (,NGU) =
7QIO.v (cfs)=
IWC (%)=
'town of North Wilkesboro
NC0020761
2
196
1.56
FINAL RESULTS
Arsenic
Max. Pred Cw
Allowable Cw
5
32113
RESULTS
Sul Dcv.
0.0000
Mean
5.0
C. V.
0.0000
Number
of data points
8
hluh Factor =
1.00
Max. Value
5.0 µg/I
Max. Pred Cw
5 µg/I
Allowable Cw
3211.3 µg/I
Param"I"r= Arsenic
S7and, = 50.0 µg/I
n
<
Actual Data
BDL=1/2DL
I
<
10
5.0
2
<
10
5.0
3
<
10
5.0
d
<
10
5.0
5
<
10
5.0
6
<
10
5.0
7
<
10
5.0
8
<
10
5.0

Facility Name=
Town of North Wilkesboro
NPDES#=
NC0020761
Qu, (XIGD) =
2
7QIOs(cfs)=
196
/wC(°/n)=
1.56
FINAL RFSUL PS
Cadmium
\lax. Pred Cw 1.0
Allowahle Cw t28.5
SULfS
I Deg-. 0.0000
e:m LO
V. 0.0000
Number
of data points 10
9uB Factor = L00
Flax. Value 1.0 µg/I
dax. Pied Cw 1.0 µg/1
411owab1e Cw 1235 µg/1
/'ammeter= Cadmium
Standard = 1 2.0 1 µg/I
n <
Actual Data
BDLrI/2DL
I <
2.0
1.0
2 <
2.0
1.0
3 <
2.0
1.0
4 <
2.0
1.0
5 <
2.0
1.0
6 <
2.0
1.0
7 <
2.0
I.0
3 <
2.0
1.0
9 <
2.0
1.0
10 <
2.0
1.0

Focility Name =
Town of North Wilkesboro
NPOL S # =
NC0020761
Ql'(M(;O) =
2
7Q IOs(cfs)=
196
IIVC (%) =
1.56
FINAL RESULTS
Chloroform
Max. Pied Cw 14.9
Allowable Cw Not aPOC
RESULTS
Std Dev. 1.0367
Mean 1.4
C.V. 0.7419
Number
ofdata points 4
idt Factor = 6.41
ax. Value 2.3 µg/I
ax. Fired C%v 14.9 µg/I
I lovable Cw Not aPOC µg/I
Parameter = Chloroform
Si mdonl = no standard I µg/I
n < Actual Data BDL=1/2DL
1 2.26 2.3
2 < 1.0 0.5
3 2.33 2.3
4 < 1.0 0.5

Faci(io Name =
NPDES # =
Qr (MOD) =
7Q I Os (efs)=
II1'C (%) =
Town of North Wilkesboro
NC0020761
2
196
1.56
FINAL RESULTS
Capper
Max. Pied Cw 26.S
Allowable Cw 449.6
RESULTS
Sid Dee.
3.0237
Mean
12.5
C. V.
0.2419
Numhcr
of data Points
8
hhdr factor =
L68
Mac %'nine
16.0
µg/I
Max. Pied Cw
26.8
µg/I
Allowable Cw
449.6
µg/I
Parameter = Copper
.Standard = 7.0 µg/I
n <
Actual Data
BDL=1/21DL
1
16
I6.0000
2
13
13.0000
3
16
16.0000
4
12
12.0000
t 5
15.0000
6
10
10.0000
7
8
8.0000
8
10
10.0000

hacility Nome =
Town of North Wilkesboro
NUDES X =
NC0020761
Q1t (n/cD) =
2
7QlOs(cfs)=
196
/Ih'C(%)=
1.56
FINAL RESULTS
Chromium
Max. Pied Cw 25
Allowable Cw 3211.3
RESULTS
Sod Dev.
0.0000
Mean
2.5
C.V.
0.0000
data points 8
Fnclor = 1.00
Value 35 µo/1
Pied Cw 2.5 µg/1
vable Cw 3211.3 µg/l
Pormneter = Chromium
.S« ndat = 50.0 µg/I
it < Aowal Data BDL=1/2DL
I
<
50
25
2
<
5.0
2.5
3
<
5,0
25
4
<
5.0
2.5
5
<
5.0
2.5
6
<
5.0
2.5
7
<
5.0
25
8
<
5.0
2.5

Facility Name =
Town of North Wilkesboro
NPDE'S # =
NCO020761
Qm (MGD) =
2
7Q10s(cfs)=
196
ln'C(%)=
1.56
FINAL RESULTS
Cyanide
Max. Prcd Cw 2.5
Allowable Ccv 321.1
F;SULTS
I Dey. 00000
can 25
\t. 0.0000
of data points 8
uh Factor =
L00
ax. Valne
25 µg/I
ax. Pied Cw
25 µg/I
Ilowable Cw
321.1 µg/I
Parameter = Cyanide
Standard = 5.0 µg/I
n
<
Actual Data
BDL=1/2DL
I
<
5
2.5
2
<
5
2.5
3
<
5
2.5
J
<
5
2.5
5
<
5
2.5
6
<
5
2.5
7
<
5
2.5
3
<
5
25

Facility Name =
NPDES N =
Qu(MGU) =
7QIOs(tfs)=
Ilvc( ^)=
Town of North Wilkesboro
NCO020761
2
196
L56
FINAL RESULTS
Lead
Max. Pred Cw,
Allowable Cw
5.0
0.0
2HSULTs
itd Dev. 0.0000
vlcan 5.0
V . 0.0000
data points 8
iNu(t f <tct0r =
1.00
Max. Value
5.0
µg/I
Max. Pied Cw
5.0
µg/I
Allowable Cw
1605.6
µg/I
Parameter = Lead
Standard = 25.0 µ_/I
n
<
Actual Data
BDL=1/2DL
I
<
10.0
5.0
2
<
10.0
5.0
3
<
10.0
5.0
4
<
10.0
5.0
5
<
t0.0
5.0
6
<
t 0.0
5.0
7
<
10.0
5.0
s
<
10.0
5.0

Facilinv Name =
NPOE.S k=
Qir (MGO) =
7Q IOs (cfs)=
"Ibsen of North Wilkesboro
NCO020761
2
196
1.56
FINAL RHSUI; fS
Mercury
Max. Pred Cw 0.001
Allowable Cw 0.771
RESULTS
Std Dev.
0-0000
Mean
0.001
C.V.
0.0000
of data points S
Mrdt FOCIOI' _ 1.0001
Max. Value 0.001 µg/I
Max. Pred Cw 0.001 µg/I
Allowable Cw 0.771 µg/I
Pruarnrler =
Mercury
Standard =
0,012 µg/I
n
<
Actual Data
13DL=1/21)L
I
<
0.002
0.001
2
<
0.002
0.001
3
<
0.002
0.001
d
<
0.002
0.001
5
<
0.002
0.001
6
<
0.002
0.001
7
<
0.002
0.001
S
<
0.002
0.001

Facilitv Name =
Town of Noah Wilkesboro
NPDF.S # =
N'C00307G I
Qm(MCD)=
2
7Q10s (cJs)=
196
AVC (7n) =
156
FINAL RESULTS
Nickel
Am Pied Cw 5.0
Allowable Cw 5651.9
$SUL PS
1 Dev. 0.0000
an 5.0
V. 0.0000
Number
of data Points S
Facio, =
1.00
Value
5.0 µg/I
Pred Cw
5.0 µ ,11
vable Cw
5651.9 µg/I
Parmnerer= Nickel
Slandcod = 88.0 µg/I
n <
Actual Data
BDL=1/2DL
I <
10.0
5.0
3 <
10.0
5.0
3 <
10.0
5.0
a <
10.0
5.0
5 <
10.0
5.0
6 <
10.0
5.0
7 <
10.0
5.0
S <
10.0
5.0

Facility Name =
NI'DE.S' # =
Qw (AIGD) =
7Q 10s(c/:s)=
IIVC ('7,,) =
Town of North Wilkesboro
NC0020761
2
196
1,56
FINAL RESULTS
Silver
Nlax. Pred Cw
Allowable Cw
5.00
3.85
LFSULTS
itd Dev. 0.0000
lean 5.0
-1. V . 0.0000
ofdata points 8
Mn0 Factor =
L00
Vlax. Valac
5.00 µg/I
Max. Pred Cw
5.00 µ17/1
Allowable Cw
3.85 µg/I
1'arame/er= Silver
S7andmel = 0.06
n
<
Actual Data
13DL=1/2DL
I
<
5.0
2.5
2
<
5.0
2.5
3
<
5.0
2.5
J
<
5.0
2.5
5
<
5.0
2.5
6
<
5.0
2.5
7
<
5.0
2.5
8
<
5.0
2.5

Facilm Name =
'Down of Norlh Wilkesboro
NPDE.S' M =
NC0020761
Qm (MGD) =
2
7Q10s (cfs)=
196
IIVC(%n)=
156
FINAL RESULTS
Selenium
Max. Prcd C%v 5.0
Allowable Cw 321.1
?SUl;1'S
i Dev. 0.0000
an 5.0
V. 0.0000
of data Points 8
ulr Facmr = 1.00
ax. Value 5.0 µg/I
ax. Pred Cw 5.0 µg/I
lowable Cw 321.1 µg/1
Parameter= Selenium
Slandaid = 1 5.0 1 µg/1
n
<
Actual Data
IIDI. I/2DL
I
<
to
5.0
2
<
t0
5.0
3
<
10
5.0
d
<
10
5.0
5
<
10
5.0
6
<
10
5.0
7
<
10
5.0
8
<
to
5.0

Facifiry Name =
Town of North Wilkesboro
NPDES # =
NC0020761
Qv (,IICD) =
2
7Q 10s(cfc)=
196
IWC (`7r,) =
1.56
FINAL RESULTS
Zinc
Max. [red Cw, 281.0
Allowable Cw 3211.3
Allowable Wday 0.0
RESULTS
Sid Dev, 34.5791
Mean 75.5
C. V. 04550
Number
of data points S
,Null Factor =
2S8
Max- Value
109.0 µg/I
Max. Pied Cw,
251.0 µg/I
Allowable Cw,
3211.3 µg/l
ParameterZinc
Standard = 50.0 µg/I
n <
Actual Data
QDL=1/2DL
I
103
103.0
2
104
104.0
3
109
1090
4
93
93.0
5
66
66.0
6
6
6.0
7
56
56.0
S
67
67.0

NPDES/Non-Discharge Permitting Unit Pretreatment Information Request Form
NPDES OR NONDISCHARGE PERMITTING UNIT COMPLETES THIS PART:
Date of Request 110 rA tN 11 k'-s I t'-'D
MUM
- • • . Jay l��
Pretreatment A_D Towns- Keyes McGee (ext. 580)
Contact E-L Towns- Deborah Gore text 5931
6 -yJ W Lit-r
IFE
so tI
PRETREATMENT UNIT COMPLETES THIS PART:
Status of Pretreatment
Program (circle all that apply)
t) the facility has no SW's and does have a Division approved Pretreatment Program that is INACTIVE
2 the facility has no SIU's and does not have a Division approved Pretreatment Program
3) the facility has�or•is-dovolepir a Pretreatment Proram- -
' D m �LMP/�' or 3b is Modified Pro ram with STMP
4) the act t MUST eve slop a Pretreatment Program - Full Motli E
5) additional conditions regarding Pretreatment attached or listed below
1T1f^
Oo''
Flow
%Industrial
Permitted Actual STMP time frame:
U, dS most recent 5 03
3/d
0,06
% Domestic
next cycle
Pollutant
L
Check List
PDcdue to
(s)
NPDES Non-
I
L MP
T
Discharge
Required
Required by
equenry at Frequency at
MP
Permit Limit
by EPA'
503 Sludge^
POC due to Sll
Site specific POC (Provide Explanation)"'•
ffluent
effluent
BOD
✓
4
I Q M
TSS
4
Q M
NH3
4
11 Q M
Arsenic
I✓
4
Q M
J
lCadmiurn
I y
✓
4
Q M
Chromium
4
Q M
Copper
✓
4
Q M
Cyanide
✓
4
Q M
J
Lead
J
✓
4
Q M
Mercury
✓
4
Q M
Molybdenum
✓
4
Q M
Nickel
J
✓
4
Q M
I,lSilver
✓
4
Q M
Selenium-
4
11 Q M
Zinc
1
4
Q M
4
Q M
I
4
Q M
4
Q M
4
Q M
4
Q M
'Always in the LTMP
--Only In the LThIP It the POTW land applies sludge
"' Only in LTMP white the SIU Is connected to the POTW
"' Only in LTMP when the
pollutant is a specific concern to the POTW (ex Chlorides fora POTW who accepts Textile waste)
0= Ouaneny
M=Monthly
Comments:
version MXB0
f-w - 5krnr-�- 4P 17103 i1 C. 0 O 6 6
i f 000 — 1150 U aJ h� Anrf.. (�nr�.. ,Q, - - C4� Yam)
WPD�PtEgt.request.lorm.010613
RevisedAugust 1 2000 a_4­y � mvi w ff:�

Removal Rate Calculations
I I I Influent I Used in I Effluent I Used in
Date < mg/L Calculation < mg(L Calculation
Data
°efed only 60. 61
Heavy
rde,ed cells. 10 I
st of
xksheetis
Xecied,
ssword is
2) For below
data, enter
W in'<"
column, and
enter
detection I&W
In Influent or
Effluent mgrl
columns.
Speadsheet
Mill auto
averages and
rernoyalrates
• • • -
Column Averages =>
g
using
74.75 5.825
nt
value entered.
3) Document
Unpaired Site Specific RR => 92.21
rernoval Rare
rhoi`R
Literature/Default RR => 85.00
4) Fomlulas m
0 % of data is BDL
Cornpre-
henslve Guide
RR for this HWA =>�
HWA Chapter,
section E,
page 1.
removal.rate plant's inf vs. elf HWA
Removal Rates
Page 1 of 7 pages
6/5/03. 11:54 AM
--- -n: a .... _ —99
rss
now,
I
588.5 10.75
Unpaired Site Specific RR => 98.17
Literature/Default RR => 85.00
0 % of data is BDL
RR for this HWA =>�
AMMONIA
..
10.2 4.025
Unpaired Site Specific RR => 60.54 °/a
Literature/Default RR => 85.00
0 % of data is BDL
RR for this HWA =>�

Removal Rate Calculations
Date
Column Averages =>
ARSENIC
.
11 a
11 PC11
M
111
11
0.0078 0.0050
Unpaired Site Specific RR => 50 %BDL
Literature/Default RR => 45.00
88 % of data is BDL
RR for this HWA =>�
removal.rate plant's inf vs. eff HWA
Removal Rates
Pape 2 of 7 pages
6I5103, 11:54 AM
.. n: Ai - —99
CA 014 LU
14
C
111:
11
G
111:
111
,`
111
111
G
111.
111
C
111•
111
C
111:
I11
C
111•
111
�
111:
111
0.0010 0.0010
Unpaired Site Specific RR => 50 %BDL
Literature/Default RR => 67.00
100 % of data is BDL
RR for this HWA =>�
CHROMIUM
111"
111 `G
111`
111,
.111111111111111M
WG
11111111111111M
1 II
1111111111111111M
111 `C
11111111111111M
111
111 `
NMI
111"
111
0.0456 0.0025
Unpaired Site Specific RR
Literature/Default RR
88 % of data is BDL
RR for this HWA =>�

Removal Rate Calculations
Date
Column Averages =>
L
COPPER
■
11
11 �■
11
11
■��1
..
■
11
11
. ■
1 1
1 1
■
1 11 :
1 11
■
11
11 .■
11
11
0.0620 0.0108
Unpaired Site Specific RR => 82.66
Literature/Default RR => 86.00
0 % of data is BDL
RR for this HWA =>�
removal.rate plants inf vs. eff HWA
Removal Rates
Page 3 of 7 pages
615103, 11:54 AM
I --n: A___'-99
CYANIDE
1 11Owl
11
G
111
111 ��
111,
111
111
C
111,
G
III
1 11 ',Clit
0.0025 0.0025
Unpaired Site Specific RR => 50 %BDL
Literature/Default RR => 69.00
100 % of data is BDL
RR for this HWA =>�
LEAD
C
11
111,,�
11
111
■
1 '��
11
111
C
1 1MEN
11 `
1 1
1 11
■
11
11 ,`�
111
0.0350 0.0050
Unpaired Site Specific RR => 50 % BDf
Literature/Default RR => 61.00
75 % of data is BDL
RR for this HWA =>�

Removal Rate Calculations
Date
Column Averages =>
L
MERCURY
1 11 1:
1 111
`
1 1 11 .
1 111
i■
1111.
MIM,I
Elm,
am=
C
1111,
1111
L
1111,
111,
C
Elm,
1111
III
1 111,
1 111
0.00013 0.00010
Unpaired Site Specific RR => 50 %BDL
Literature/Default RR => 60.00
88 % of data is BDL
RR for this HWA =>�
lenwval.rate plants inf vs. eff HWA
Renwval Rates
Page 4 of 7 pages
6/5103, 12:04 PM
Revision: August 1999
MDLYFiDF311J
t4
L
111`
111 `L
111`
111
C
111`
111 `■
MEMO
111.
111`
111 `�
111 `
111
0.0025 0.0034
Unpaired Site Specific RR => 50 %BDL
Literature/Default RR=> 33.00
88 % of data is BDL
RR for this HWA =>�
NICKEL
1 11
■
1 1 •
1 1 •`
1 1
1 11
1 1
1 11 `
C
1 1
1 11
1 1
1 11 'C
11
1 11
0.0135 0.0050
Unpaired Site Specific RR => 50 %BDL
Literature/Default RR => 42.00
88 % of data is BDL
RR for this HWA =>�

Removal Rate Calculations
Column Averages =>
L
5ELEI1IUI4
C
11
111'`
11
111
11
111 '.0
11
111
�
1 1
1 11'C
1 1
1 11
1 1
1 11 i
C
1 1
1 11
0.0050 0.0050
Unpaired Site Specific RR => 50 %BDL
Literature/Default RR => 60.00
100 % of data is BDL
RR for this HWA =TM�l
removal rate plants inf vs. eff HWA
Removal Rates
Page 5 of 7 pages
6/5103, 11:54 AM
n:At -99
SILVEP
EME1
G
1 11 `
1 11
�`
I Ili
111 '�
111 '
111
C
111`
111 'C
111'
111
0.0025 0.0025
Unpaired Site Specific RR => 50 %BDL
Literature/Default RR => 75.00
1 W % of data is BDL
RR for this HWA =>�
LILAC
■
1 1.
1 1. ,.
1 1 :
1 1
11:�
Mori Mil,
0.1558 0.0628
Unpaired Site Specific RR => 59.71
Literature/Default RR => 79.00
0 % of data is BDL
RR for this HWA =>�

Removal Rate Calculations
Date
3/1
Column Averages =>
11
111
G
11
111
1
1 11'C
1 1
1 11
1 11 I
Unpaired Site Specific RR
Literature/Default RR
0.0050
1 t�
11
100 % of data is BDL
RR for this IiWA =>
removat.rate (STMP 2002)
Removal Rates
Page 2 of 7 pages
6112/02, 1:11 PM
C
111;
111
C
111•
111
C
111,
111
C
111.
111
1 11 10.0010
Unpaired Site Specific RR =>1'
Literature/Default RR —>
11 .
�
. r�rur�
llp
C
11'
111 �C
F tt�
It
.0
111'
11
C
11'
1 11
Unpaired Site Specific RR =>
t' t�
100 % of data is BDL J
RR for this I-IWA =>L�J
.rlcraturc eau = o- �
ioo % of data is BDL
RR for this 1i14'A =>©_

Influent I Used in
mu/1. Calculation
Column Averages =>
L
Q
Unpaired Site Specific RR
Literature/Default RR
o % of data is BDL
RR for this IIWA
Removal Rate Calculations
Used in
Influent
Used in
Effluent
Used in
Influent
< mg/L
Used in
Calculation
Calculation
< mg/L
Calculation <
mg/L
Calculation
0.01
0.005
0.01
0.005
0.01
0.00!
0.01
0.00,
M0.016
0.00
0.0filo.
0.0025
0.00
0
0.0025
AO0.
0.0025
n
0.0025
%. Unpaired Site Specific RR
Literature/Default RR
gg % of data is BDL
RR for this H WA
Used in
Calculation
0.005
0.005
0.005
BDL Unpaired Site Specific RR
Literature/Default RR
1 p0 % of data is 13DI.
R12 for this 1-IWA =>®_
removal.tate (STMP 2002)
Removal Rates
Pace 3 of 7 pages

Removal Rate Calculations
Influent Used in
mr/L Calculation
Column Averages =>
L
MIIM
0.00010
Unpaired Site Specific RR
Literature/Default RR
1()0 %of data is BDL
RR for this IIWA
Used in
Calculation
0.0001
0.0001
0.0001
0.00010
50 %BDL
60.00 %
Influent Used in
mI Effluent I Used in
o/l. Calculation < mg/L Calculation
Unpaired Site Specific RR
Literature/Default RR
of data is BDL
RR for this I IWA
0.0025
0.0025
Influent I Used in
mo/I. Calculation
Effluent Used in
mg/L
Calculaticn
0.01
0.005
n o I
0.005
50 % BDL Unpaired Site Specific RR => 5p 0 % 13u1.
Literature/Default RR => 42 00
100 % of data is 13DL
i
��- RR for this I IWA
removal.rate (STMP 2002)
Removal Rates
Page 4 of 7 pages

Column Averages =>
L
Removal Rate Calculations
EBluent Used in
Influent Used in Effluent
Used in Influent
< mg/L
Used in Effluent
C.1eulatiun < mg/L
Used ii
Calculation
at Used in
Calculation < mg/L Calculation <
mg/L Calculation < mg/L
Calculation
0.10
0.10 0.103
0.103
).01 0.00 O.OI 0.005
0.20
0.20 0.10
O.I04
).01 0.00 0.01 0.005
01
0.1 0.10
0.109
).01 0.00 < 0.01 0.005
'0.094
0.09 0.093
0.093
0.01 0.00 0.01 0.005
0.00 0.002 0.00
0.0025
0.00 0.002 0.00
0.0025
0.00 0.002 0.00
0.0025
0.00 0.002 0.00
0.0025
0.0025
0.0025
0.1398
0.1023
0.0050 0.0050
RR
=> 50 %BUL
Unpaired Site Specific RR
P p
Unpaired Site Specific RR => 50 % BDL
Unpaired Site Specific
°
75.00 /°
Literature/Default RR
RR => 50.00 % -
e/I)efault RR
Litdata
=>
is BDL
Literature/Default
0
% of data
100 % of data is BDL
i
U)0 % of data s BDL
for this {fWA
=>
RR for this I IWA
=>C
R.R. for this I IWA =>�
RR
rarroval.rate (STMP 2002)
Removal Rates

TOWN' OF NORTH WH ESBORO
Post Office Box 218
North Wilkesboro, North Carolina 28659
Bus. [phone]
Fax [phone]
February 20, 2003
Subject: NPDES Permit # NCO020761
Thurman Street WWTP, North Wilkesboro
Wilkes County, NC
Permit Renewal
Mrs. Valery Stephens
NC DENR / Water Quality / Point Source Branch
1617 Mail Service Center
Raleigh, NC 27699-1617
l FFB Z � 2003 _
Dear Mrs. Valery,
This letter is requesting that your office renews the permit at the North Wilkesboro W WTP. The permit
# is NCO020761 and is currently valid to September 30, 2003. There has not been any plant or operational
changes at this facility since the last permit was issued.
I hope that you will fine all documentation enclosed with this cover letter in order and if you have any
questions please feel free to contact me at 336-838-5001.
Sincerely,
Jimmy artin
ORC

-
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s POSLO�C4 n i
•• •. 0 x, � e BO%-Z18 A4h '>
n r+.;..North Wilkesboro; North Carohna:'28659
Q 1 sir
BIM. [phone]
• • Fa% 03483&1779
I.
S 7r m x
ARP RATES
u' t7 x y kL r d>zv Y i e
f e Sf��iY4 �.Y Yy tJx} «i14`f y...l' $>>l' ��• ct
i S4y.� y�io nj , r y�j�[Yr a S.. fa° ,.x -. «.zwi e l�`tr� rnF J r3•� v
f 3'y,r'r'c •.^^i-+3 rcr� '� i.Yu «r.,
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a h �e LV1 H 4 J , ryA.
Ij
North C&olihi Drvision`of Water Quality`
1617 Mail Service Center
Raleigh, NC..27699-1617
To Whom It May Concern:
Please be. advised that I have authorized Jimmy Martin, ORC for the Town of North
Wilkesboro's Wastewater Treatment Plant, to sign the monthly DMR reports that are submitted
to the Division of Water Quality in Raleigh.
If you have any questions, please feel free to contact me.
Sincerely,
W. H. Pcrkias, Jr. ('Flank)
Town Manager
WHP:km

TOWN OF NORTH WILKESBORO. NC
SLUDGE MANANGEMENT PLAN
The solids generated during the wastewater treatment are stored in a 1 million
gallon on site tank. The sludge is tested prior to land application on permit number
WQ0002040, effective until March 31, 2004. There are 309.2 applicable acres with 7
different land owners. All of the land application sites are located within Wilkes County,
NC. These sites are established in fescue used for hay and pasture for cattle operations.
The sludge removal and land application is contracted out to: Southern Soil Builders, Inc.
958 Hoots Rd. Roaring River, NC 28669, [phone].

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ALL ELEVATIDN$ SfIDNN ARC B4$£D
ON AS -BID DRAWINGS. SEE RECORD
DRAWINGS FOR ACTU.:L ELEVATKNS
i
AGIkTE NO. I-3
PLANT PIPING PLAN
ASTEWATER TREATMENT PLANT
NORTH WILKESBORO, N-C.
FD%KBELA/ER PEms A smouT, Ac..
CONSfQ. TWG ENGWEFRS
GREENSBORO. NC_