NC0020761_Renewal (Application)_20191108

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ROY COOPER $ V-
Governor ;,,Y ,may ; ,
MICHAEL S.REGAN �` �.
Secretory src.10.% t4'
LINDA CULPEPPER NORTH CAROLINA
Director Environmental Quality
November 12, 2019
Town of North Wilkesboro
Attn: Wilson Hooper,Town Manager
PO Box 218
North Wilkesboro, NC 28659
Subject: Permit Renewal
Application No. NC0020761
Thurman Street WWTP
Wilkes County
Dear Applicant:
The Water Quality Permitting Section acknowledges the November 8, 2019 receipt of your permit renewal application
and supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW
permitting branch. Per G.S. 150B-3 your current permit does not expire until permit decision on the application is made.
Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit. The
permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a
timely manner to requests for additional information necessary to allow a complete review of the application and renewal
of the permit.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https://deq.nc.gov/permits-regulations/permit-guidance/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
Sincerely
5I 4'
11,444
Wren edfor•
Administrative Assistant
Water Quality Permitting Section
ec: WQPS Laserfiche File w/application ,
North Caradina Departm_ntof fnvironrnenta1 Qu.-3Ryy il Divns3Dsrrof Water Resouro=s
DE, , 1ti'rnstanSa?=_m R gtor i Offico 45D Wit Hams h{81 fioa ,St ite S0� I Winston 5?arm,North Caro$R3 27105
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TOWN OF NORTH WILKESBORO
' ; Post Office Box 218
North Wilkesboro,North Carolina 28659
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•
RECEIVED
10-29-19 NOV 0 8 2019
NCDEQIDWRINPDES
Mr.Jeff Poupart
NC DWQ/NPDES Unit
1617 Mail Service Center
Raleigh,NC 27699-1617
RE: NPDES Permit(NC0020761)Renewal
Dear Mr.Poupart,
I'm writingthis letter to request that the NC DWQ/NPDES Unit renew the permit for the North
q
Wilkesboro WWTP located at 100 Thurman Street,North Wilkesboro.Enclosed you will find the
completed NPDES application form and other required documents.
The North Wilkesboro WWTP is still a member of the Yadkin-Pee Dee River Basin Association that
conducts the instream monitoring requirements.
There was a change in our Certified Parameters Listing effective April 1,2018.Deleted was Bacteria,
Coliform Fecal—SM9222 D—1997.Added was Bacteria,Coliform Fecal—IDEXX Colilertl 8(MPN).
Attached is a copy of the approval.
In our current permit Silver was added for quarterly testing because of one test result with slight detection
in the previous permit.In the current permit five consecutive years of quarterly testing for Silver resulted in
no detection. We request that Silver be removed from our quarterly testing.
Sincerely,
Scott Perry C/
ORC
J

March 27, 2018
492
Mr. Norman Harris
Town of North Wilkesboro
P.O. Box 218 RECEIVED
North Wilkesboro, NC 28659-0218
NOV 08 2019
Subject: Parameter Method Substitution NCDEQ/DWR/NPDES
DELETED
Bacteria, Coliform Fecal —SM 9222 D-1997 (Aqueous)
ADDED
Bacteria, Coliform Fecal — IDEXX Colilert®18 (MPN) (Aqueous)
Dear Mr. Harris:
Per your request received on March 2, 2018, we have made the above referenced changes to your
Certified Parameters Listing (CPL). This change to your Certification is effective April 1,2018.
Enclosed is an amended CPL that includes the new parameter method(s). The same requirements
applying to your present Certification are applicable to the new parameter method addition. Please
review this CPL carefully to ensure that your laboratory is certified for all parameter methods
required to properly meet your Certification needs.
If you have questions or need additional information, contact me at [phone] ext. 202.
Sincerely,
Dana Satterwhite, Environmental Program
Supervisor
Division of Water Resources
Attachment
cc: Beth Swanson, Michael Cumbus

North Carolina Wastewater/Groundwater Laboratory Certification
Certified Parameters Listing
Lab Name: Town of North Wilkesboro Certificate Number: 492
Address: 100 Thurman Street Effective Date: 1/1/2018
North Wilkesboro,NC 28659 Expiration Date: 12/31/2018
Date of Last Amendment: 4/1/2018
The above named laboratory,having duly met the requirements of 15A NCAC 2H.0800,is hereby certified for the measurement of the parameters listed below.
CERTIFIED PARAMETERS
INORGANIC
BACTERIA-COLIFORM FECAL
IDEXX Colilert 018(MPN)(Aqueous)
BOD
SM 5210 B-2011 (Aqueous)
NITROGEN,AMMONIA
SM 4500 NH3 C-2011 (Aqueous)
pH
SM 4500 H+B-2011 (Aqueous)
RESIDUE,SUSPENDED
SM 2540 D-2011 (Aqueous)
TEMPERATURE
SM 2550 B-2010(Aqueous)
This certification requires maintance of an acceptable quality assurance program,use of approved methodology,and satisfactory performance on evaluation samples. Laboratories are subject to civil penalties and/or decertification for Infractions
as set forth in 15A NCAC 2H.0807.

FACILITY NAME AND PERMIT NUMBER: MCOOa0-7Ip/ PERMIT ACTION REQUESTED: RIVER BASIN:
�fh IA)�I kesbvo wWTP yetcjik, c) /
/ocun o rC �0 12er�ewa f{e De c
FORM
2A *NPDES FORM 2A APPLICATION OVERVIEW
NPDES
APPLICATION OVERVIEW
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>_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:
D. Expanded Effluent Testing Data. A treatment works that discharges effluent to surface waters of the United States and meets
one or more of the following criteria must complete Part D(Expanded Effluent 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 provide the information.
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(SlUs)or receives RCRA or CERCLA wastes must complete Part F(Industrial User Discharges
and RCRA/CERCLA Wastes). SlUs 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).
ALL 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: NC 00,2 0 /&/ PERMIT ACTION REQUESTED: RIVER BASIN:
/o/vr, ccfWorl-i-, Lt)iIAes66co lit/ TP Ren ( YaJk,'r /?eeDee
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 IOWr) 0- Orlin (AJ i l kQS b0E d ,\Ar W TP
Mailing Address Po .o x .265
A1o44 W i lk.s 6rO,
Contact Person 5CO+1 Pe-fr`�
Title (/g� J
Telephone Number Devl �-�3►7f " 5 O D i C
Facility Address 100 / �'�1'Ur 1v n'.4,r1 5 r +1 c�
(not P.O.Box) A orh'►-1 Ili 1F-eS�,p/'0 / /v C do (o5J
A.2. Applicant Information. If the applicant is different from the above,provide the following:
Applicant Name
Mailing Address
RECEIVED
Contact Person NOVg 2019
Title NCDEQIDWRINPDES
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.
Elfacility Ceapplicant
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 NI( Ob 2,0")6 I PSD
UIC Other
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
NM Of Nor-}in Wiikcsboro 3800 sr_19er'i'c tY1 vn fr `
pit.IIrrs CrtL(C /000 Sce-e rr►Unit'ya`
Proaolwel J 9DD��) �5��x�a4c MVol
Total population served `� /y O
EPA Form 3510-2A(Rev. 1-99). Replaces EPA forms 7550-6&7550-22. Page 2 of 22

FACILITY NAME AND PERMIT NUMBER: A/C, 00�a.07 !-"7(0 / PERMIT ACTION REQUESTED: �RIIVER BASIN:
I OW n b I /1JOr>�(�1 �i IkfS�Urd 14V rV Re() vock IAd�C i n /Pe e Dee
A.5. Indian Country.
a. Is the treatment works located in Indian Country?
Yes INo
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.v a. Design flow rate pR ' mgd
Two Years
Ago Last Year This Year
b. Annual average daily flow rate / 1 I o� I , 2 7 3
c. Maximum daily flow rate 3 . 9-7 J • ) c) 3 . Fr 71-1
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 /00
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.? L1G 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 L2
iii. Combined sewer overflow points 0
iv. Constructed emergency overflows(prior to the headworks)
v. Other 0
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:
Annual average daily volume discharge to surface impoundment(s) 0 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: mgd
Is land application ❑ continuous or intermittent?
d. Does the treatment works discharge or transport treated or untreated wastewater to another
treatment works? r Yes r No
EPA Form 3510-2A(Rev.1-99) Replaces EPA forms 7550-6&7550-22. Page 3 of 22

FACILITY NAME AND PERMIT NUMBER: /1IG 00 a D 7' / PERMIT ACTION REQUESTED: RIVER BASIN:
ou>n of /1/or/-i,, 601.1/ces6oco Warp Perl>•wci. / Ad41,7 Mc De c
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 +
N
Contact Person
Title
Telephone Number (: _ L
If known,provide the NPDES permit number of the treatment works that receives this discharge
Provide the average daily flow rate from the treatment works into the receiving facility. mgd
e. Does the treatment works discharge or dispose of its wastewater in a manner not included
in A.B.through A.8.d above(e.g.,underground percolation,well injection): ❑ Yes ❑ No
If yes,provide the following for each disposal method:
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 Hi intermittent?
EPA Form 3510-2A(Rev.1-99). Replaces EPA forms 7550-6 8,7550-22. Page 4 of 22

i
FACILITY NAME AND PERMIT NUMBER: NC DO 2 D 7" I PERMIT ACTION REQUESTED: RIVER BASIN:
oP Nor/-I,, W i)kesboro t JccifP en eLJc< < Yzoi '7 /1)re .faze
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.8.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 0 0 1.
b. Location 'v d r W; 1 . 5120ro (4
(City or town,if applicable) (Zip Code)
1 k c s f✓C
(County) (State)
3(° CYI °
(Latitude) (Longitude)
c. Distance from shore(if applicable) 115 ft.
/d. Depth below surface(if applicable) 4 ft.
e. Average daily flow rate I •a75 mgd
f. Does this outfall 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 V No
A.10. Description of Receiving Waters.
a. Name of receiving water `'ai k+r R+ vt C
b. Name of watershed(if known)
United States Soil Conservation Service 14-digit watershed code(if known):
c. Name of State Management/River Basin(if known): \IAGIkfe, at G
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/I 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: A/C OO ad 76o / PERMIT ACTION REQUESTED: RIVER BASIN:/Per
/OW✓I OF Norl� l,J/ IeS6oco 1VIUTP RrlGwl ee /Ain Dee
A.11. Description of Treatment
a. What level of treatment are provided? Check all that apply.
✓Primary /Secondary
Advanced Other. Describe:
b. Indicate the following removal rates(as applicable):
Design BOD5 removal or Design CBOD5 removal /a 94
Design SS removal
Design P removal %
Design N removal
Other 94
c. What type of�disiinfection is used for the effluent from this outfall? If disinfection varies by season,please describe:
v, V, l ro'Ael3 oov_p_iuS
If disinfection is by chlorination is dechlorination used for this outfall? Yes No
Does the treatment plant have post aeration? Yes V 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: 00 I
MAXIMUM DAILY VALUE AVERAGE DAILY VALUE
PARAMETER
Value Units Value Units Number of Samples
pH(Minimum) i,0 s.u. 4%
pH(Maximum) 7• 3 !� ,s..,u�.f r� �,/�' 2
Flow Rate 3. / nticK�' I. 2,DO m .�I 730da y_5
Temperature(Winter) g s C I�, D oC
36 /
Temperature(Summer) ).3.1 at d, I•(0 0 4 3 9
*For pH please report a minimum and a maximum daily value
MAXIMUM DAILY AVERAGE DAILY DISCHARGE
DISCHARGE ANALYTICAL
POLLUTANT METHOD ML/MDL
Conc. Units Conc. Units Number of
Samples
CONVENTIONAL AND NON CONVENTIONAL COMPOUNDS
BIOCHEMICAL OXYGEN BOD5 .y3 r►u)I 3.VI ,n9( 156 SaloB-aoil a •oo r J
DEMAND(Report one) CBOD5 n
FECAL COLIFORM 112.0 M p n 3 rnpr, 15( COIdee f i- IS 0
TOTAL SUSPENDED SOLIDS(TSS) b fts l 5- /YEI 15(p 015 *D-ao// 5 .O Mg I
END OF PART A.
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 6 of 22

FACILITY NAME AND PERMIT NUMBER: NC o0 a O 7 40 1 PERMIT ACTION REQUESTED: RIVER BASIN:
low," Of Jori-h tu,l k,-sl)a.-0 toturP Reitr 1/4-va.1 /adk' 't /Pee Dec
BASIC APPLICATION INFORMATION
PART B. ADDITIONAL APPLICATION INFORMATION FOR APPLICANTS WITH A DESIGN FLOW GREATER THAN OR
EQUAL TO 0.1 MGD (100,000 gallons per day).
All applicants with a design flow rate>_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 that flow into the treatment works from inflow and/or infiltration.
WO Sfvd 4F .kilef/CM-7 L gpd
Briefly explain any steps underway or planned to GT
minimize inflow and infiltration. /
SMDke `�es�,�i5 has bee 0�2e On �9r-� f /o !'1.-"C 6D1/ecil 0n
(15 fern. Mr 4-0 L€ d0✓ie
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'/4 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 redunancy in the system. Also provide a water balance showing all treatment units,including disinfection(e.g.,
1 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? ! Yes •✓ 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: L )_
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 questio A ) 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

FACILITY NAME AND PERMIT NUMBER: A/C. O02.07(0 I PERMIT ACTION REQUESTED: RIVER BASIN:
, TOWn off' Aior it-► I,(JiIk4iisExro WufTP ine,.da( Y ��,, /Peei Dec. If the answer to B.5.b is"Yes,"briefly describe,including new maximum daily inflow rate(if applicable).
d. Provide dates imposed by any compliance schedule or any actual dates of completion for the implementation steps listed below,as
applicable. For improvements planned independently of local,State,or Federal agencies,indicate planned or actual completion dates,as
applicable. Indicate dates as accurately as possible.
Schedule Actual Completion
Implementation Stage j\IMM/DD/YYYY MM/DD/YYYY
-Begin Construction / / / /
-End Construction / / / /
-Begin Discharge / / / /
-Attain Operational Level / / / /
e. Have appropriate permits/clearances conceming other Federal/State requirements been obtained? 0 Yes 0 No
Describe briefly:
B.6. EFFLUENT TESTING DATA(GREATER THAN 0.1 MGD ONLY).
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 combine 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 pollutant scans and must be no more than four and on-half years old.
Outfall Number: 06 1
MAXIMUM DAILY AVERAGE DAILY DISCHARGE
DISCHARGE ANALYTICAL
POLLUTANT METHOD MUMDL
Conc. Units Conc. Units Number of
Samples
CONVENTIONAL AND NON CONVENTIONAL COMPOUNDS
AMMONIA(as N) ^ ,0 G f ,(c I�7
0 , int 1 3 EPA 36"D,I . 10
RESIDUAL,TRCCHLORINE )L 1V " ' IIIJA IJA N� N4 ^ �A N
DISSOLVED OXYGEN 5 (p{ ,. /j S•95- fi3/1 3 5h7 Y6OD•p I)
TOTAL KJELDAHL J l fl^ r
NITROGEN(TKN) 3.(OS mpt/I 3,30 fri.i � 3 EI A 3. 1 ,20
NITRATE PLUS NITRITE J J
NITROGEN a •/0 rrt9 1 1 •75 m5I1 _ 3 EPA 3 •a . 10
OIL and GREASE 4.5 m y I 1.5 „ i / 3 EPA )( 1 /4 ,S
PHOSPHORUS(Total) . /7(, Mil i '1 3 E44 ° O,7 ,0),
(TDS)TOTAL DISSOLVED SOLIDS 10 il r)19/I I G I rn5/1 3 S�2510C l 0
OTHER 10 0
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: IN G O p'710 I PERMIT ACTION REQUESTED: RIVER BASIN:
to &rt a NOS (,u� �IciSboro WWTT RC rwc l kc�/r 11)ee=
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:
Basic Application Information packet Supplemental Application Information packet:
[f Part D(Expanded Effluent Testing Data)
TT'Part E(Toxicity Testing: Biomonitoring Data)
Il Part F(Industrial User Discharges and RCRA/CERCLA Wastes)
0 Part G(Combined Sewer Systems)
ALL APPLICANTS MUST COMPLETE THE FOLLOWING CERTIFICATION.
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. ' t
Name and official title 1V on 15 pet, To.sr ancec
Signature �1
Telephone number (.33Ci) GG1- I I 2.9
Date signed 1\10VemAQc 4 , Z019
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: nI C 00 -07(o I PERMIT ACTION REQUESTED: RIVER BASIN:
I ok-l-)^ o-C' hor I,t.J+ lkes/Dorn W IRcnt'wa yadk /Pe e 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: QO/ (Complete once for each outfall discharging effluent to waters of the United States.)
MAXIMUM DAILY DISCHARGE AVERAGE DAILY DISCHARGE
POLLUTANT Number ANALYTICAL MUMDL
Conc. Units Mass Units Conc. Units Mass Units of METHOD
Samples
METALS(TOTAL RECOVERABLE),CYANIDE,PHENOLS,AND HARDNESS.
ANTIMONY
ARSENIC
BERYLLIUM
CADMIUM
CHROMIUM �r
�
COPPER
LEAD \^
MERCURY
NICKEL ATh SELENIUM
SILVER 'J)
THALLIUM
ZINC
CYANIDE
TOTAL PHENOLIC
COMPOUNDS
HARDNESS(as CaCO3)
Use this space(or a separate sheet)to provide information on other metals requested by the permit writer
EPA Form 3510-2A(Rev.1-99). Replaces EPA forms 7550-6&7550-22. Page 10 of 22

FACILITY NAME AND PERMIT NUMBER: NC 0 0 rZ O 7(' I PERMIT ACTION REQUESTED: RIVER BASIN:
IOtA- -' OF IJor{'V\ W'11(k'S,,Oro WuJT 'Re ncw4 ( Yeah M e C_
Outfall number: (Complete once for each outfall discharging effluent to waters of the United States.)
MAXIMUM DAILY DISCHARGE AVERAGE DAILY DISCHARGE
POLLUTANT Number ANALYTICAL MUMDL
Conc. Units Mass Units Conc. Units Mass Units of METHOD
Samples
VOLATILE ORGANIC COMPOUNDS
ACROLEIN
ACRYLONITRILE
BENZENE
BROMOFORM
CARBON
TETRACHLORIDE
CHLOROBENZENE
\/l
CHLORODIBROMO-
METHANE
CHLOROETHANE S
2-CHLOROETHYLVINYL Z V
ETHER
CHLOROFORM �L
DICHLOROBROMO- S\ 1
METHANE 6tt
1,1-DICHLOROETHANE
1,2-DICHLOROETHANE
TRANS-I,2-DICHLORO-
ETHYLENE
1,1-DICHLORO-
ETHYLENE
1,2-DICHLOROPROPANE
1,3-DIC H LORO-
PROPYLENE
ETHYLBENZENE
METHYL BROMIDE
METHYL CHLORIDE
METHYLENE CHLORIDE
1,1,2,2-TETRA-
CHLOROETHANE
TETRACHLORO-
ETHYLENE
TOLUENE
EPA Form 3510-2A(Rev.1-99). Replaces EPA forms 7550-6&7550-22. Page 11 of 22

FACILITY NAME AND PERMIT NUMBER: III L O O O-7( I PERMIT ACTION REQUESTED: RIVER BASIN:
TOW el 4- l�o(l-r^ U.) W -s L, o w�r� Rc,ie wa /td/4 i /iclee
Outfall number: (Complete once for each outfall discharging effluent to waters of the United States.)
MAXIMUM DAILY DISCHARGE AVERAGE DAILY DISCHARGE
POLLUTANT Number ANALYTICAL MUMDL
Conc. Units Mass Units Conc. Units Mass Units of METHOD
Samples
1,1,1-
TRICHLOROETHANE
1,1,2-
TRICHLOROETHANE
TRICHLOROETHYLENE
VINYL CHLORIDE
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
2-CHLOROPHENOL ‘(�
2,4-DICHLOROPHENOL r 1
2,4-DIMETHYLPHENOL
4,6-DINITRO-O-CRESOL �/\m
2,4-DINITROPHENOL �\
2-NITROPHENOL
4-NITROPHENOL
PENTACHLOROPHENOL
PHENOL
2,4,6-
TRICHLOROPHENOL
Use this space(or a separate sheet)to provide information on other acid-extractable compounds requested by the permit writer
BASE-NEUTRAL COMPOUNDS
ACENAPHTHENE
ACENAPHTHYLENE
ANTHRACENE
BENZIDINE •
BENZO(A)ANTHRACENE
III
BENZO(A)PYRENE
EPA Form 3510-2A(Rev.1-99). Replaces EPA forms 7550-6&7550-22. Page 12 of 22

FACILITY NAME AND PERMIT NUMBER: kJ C., 0 0 07 6 I PERMIT ACTION REQUESTED: RIVER BASIN:
/ORM 04. IJoe4+% W l kcsbono t)INTP Re ne..wa ) yaks., /1e Dee_
Outfall number: (Complete once for each outfall discharging effluent to waters of the United States.)
MAXIMUM DAILY DISCHARGE AVERAGE DAILY DISCHARGE
POLLUTANT Number ANALYTICAL MUMDL
Conc. Units Mass Units Conc. Units Mass Units of METHOD
Samples
3,4 BENZO-
FLUORANTHENE
BENZO(GHI)PERYLENE
BENZO(K)
FLUORANTHENE
BIS(2-CHLOROETHOXY)
METHANE
BIS(2-CHLOROETHYL)-
ETHER
BIS(2-CHLOROISO-
PROPYL)ETHER
BIS(2-ETHYLHEXYL)
PHTHALATE
4-BROMOPHENYL (�\^
PHENYL ETHER
BUTYL BENZYL
PHTHALATE `_L
2-CHLORO- O
NAPHTHALENE 1./
4-CHLORPHENYL
PHENYL ETHER
CHRYSENE Q�
DI-N-BUTYL PHTHALATE
DI-N-OCTYL PHTHALATE
DIBENZO(A,H)
ANTHRACENE
1,2-DICHLOROBENZENE
1,3-DICHLOROBENZENE
•
1,4-DICHLOROBENZENE
3,3-DICH LORO-
BENZIDINE
DIETHYL PHTHALATE
DIMETHYL PHTHALATE
2,4-DINITROTOLUENE
2,6-DINITROTOLUENE
1,2-DIPHENYL-
HYDRAZINE
EPA Form 3510-2A(Rev.1-99). Replaces EPA forms 7550-6&7550-22. Page 13 of 22

FACILITY NAME AND PERMIT NUMBER: fv e- d t7a 07 6 ) PERMIT ACTION REQUESTED: RIVER/BASIN:
�Ou)n Dt Ni-en i-en W+ /k's ro k!/K/TP Pe, ewct- � All er7 //e.?e-4c
Outfall number: (Complete once for each outfall discharging effluent to waters of the United States.)
MAXIMUM DAILY DISCHARGE AVERAGE DAILY DISCHARGE
POLLUTANT Number ANALYTICAL ML/MDL
Conc. Units Mass Units Conc. Units Mass Units of METHOD
Samples
FLUORANTHENE
FLUORENE
HEXACHLOROBENZENE
HEXACHLORO-
BUTADIENE
HEXACHLOROCYCLO-
PENTADIENE
HEXACHLOROETHANE
1
INDENO(1,2,3-CD)
PYRENE
ISOPHORONE b‘P'
NAPHTHALENE de'
v
NITROBENZENE U�
N-NITROSODI-N-
PROPYLAMINE n
N-NITROSODI- 6v
METHYLAMINE
N-NITROSODI-
PHENYLAMINE
PHENANTHRENE
PYRENE
1,2,4-
TRICHLOROBENZENE
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: NC O()2-O 7(O I PERMIT ACTION REQUESTED: RIVER BASIN:
/0a)01 Di Nor fin tali l kes6t,.-o u/ulT f Pericwa �qd,6VR-e-1)ec
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 alternate methods.
If test summaries are available that contain all of the information requested below,they may be 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 toxicity tests conducted in the past four and one-half years.
❑ chronic ❑ acute
E.2. Individual Test Data. Complete the following chart for each whole effluent toxicity test conducted in the last four and one-half years. Allow one
column per test(where each species constitutes a test). Copy this page if more than three tests are being reported.
Test number: Test number: Test number:
a. Test information. ` c
Test Species&test method number y�
Age at initiation of test
Outfall numberji
L�
Dates sample collected `ka
Date test started
Duration 11‘21
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: .&,1 G OO a b?(o f PERMIT ACTION REQUESTED: RIVER BASIN:
/004 of IO Cc�b GuwT-1' .Pcnewa.t Nlcakfr t / Pee-Dee-
Test number: Test number: Test number:
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 \^Q/
j. Give the percentage effluent used for all concentrate ns in the test series.
rAY
k. Parameters measured durir tlae test. (State whether parameter meets test method specifications)
pH ��
Salinity
Temperature
Ammonia
Dissolved oxygen
I. Test Results.
Acute:
Percent survival in 100%
effluent
LCso
95%C.I.
Control percent survival
Other(describe)
1 - (Rev.1-99. Replaces EPA forms 7550-6&7550-22. Page 16 of 22
EPA Form35 02A a9
( )

FACILITY NAME AND PERMIT NUMBER: NC 0 OP.0-7(O I PERMIT ACTION REQUESTED: RIVER BASIN:
/ows of NO/"lin, W i)IsLOCO w&TP ,Qericwa � Vekeik,'•►/Re 2ce
Chronic:
NOEC
1C25
Control percent survival % � o
Other(describe)
Y '
m. Quality Control/Quality Assurance.
\�<L
Is reference toxicant data available? �I-
Was reference toxicant test within
acceptable bounds? X\
What date was reference toxicant test / /5
run(MM/DD/YYYY)? �,2j
Other(describe)
E.3. Toxicity Reduction Evaluation. Is the treatment works involved in a Toxicity Reduction Evaluation?
❑ Yes ❑ No If yes,describe:
E.4. Summary of Submitted Biomonitoring Test Information. If you have submitted biomonitoring test information,or information regarding the
cause of toxicity,within the past four and one-half years,provide the dates the information was submitted to the permitting authority and a summary
of the results.
Date submitted: / / (MM/DD/YYYY)
Summary of results: (see instructions)
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: /JCG evA0`7(o 1 PERMIT ACTION REQUESTED: RIVER BASIN:
%o&y1 O /vor1t tA)!'I(Leos Loco wwT ' .Rcnvevua 1 )fL1 /,? Dee
SUPPLEMENTAL APPLICATION INFORMATION
PART F.INDUSTRIAL USER DISCHARGES AND RCRA/CERCLA WASTES
All treatment works receiving discharges from significant industrial users or which receive RCRA,CERCLA,or other remedial wastes must
complete part F.
GENERAL INFORMATION:
F.1. Pretreatment program. Does the treatment works have,or is subject ot,an approved pretreatment program?
[, Yes ❑ No
F.2. Number of Significant Industrial Users(SlUs)and Categorical Industrial Users(ClUs). Provide the number of each of the following types of
industrial users that discharge to the treatment works.
a. Number of non-categorical Sills. 0
b. Number of ClUs. a
SIGNIFICANT INDUSTRIAL USER INFORMATION:
Supply the following information for each SIU. If more than one SIU discharges to the treatment works,copy questions F.3 through F.8 and
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. I
Name: Gardner GLASS PrfiIUd-S 3-011n,517),4 CotS(/'t/S
Mailing Address: b o p Ei ki^ Hwy 1 p. \ 5 hot►r ► ' S5- .
N L,v.lk-.4sbnco/!tic -cS kJ L0; 1 es1ory
F.4. Industrial Processes. Describe all the industrial processes that affect or contribute to the SIU's discharge.
Get Mirror MarluCaCAur: Jr, - �o„051er Cote.-z
F.5. Principal Product(s)and Raw Material(s). Describe all of the principal processes and raw materials thatffect or contribute to the SIU's
discharge. 1 1
Principal product(s): � l� rc1'rpptol"► 3 C" oal-wt
Raw material(s): . g-G - i hit() Copper �C, " SY uI0. t r j
IP
F.6. Flow Rate.
a. Process wastewater flow rate. Indicate the average daily volume of process wastewater discharge into the collection system in gallons per
day(gpd)and whether the discharge is continuous or intermittent.
6GP-`09 I A- 36. ' gpd ( continuous or X intermittent)
b. Non-proce wastewater flow rate. Indicate the average daily volume of non-process wastewater flow discharged into the collection system
in/gallons per day(gpd)and whether the discharge is continuous or intermittent.
66?'670/ 3t 19rP gpd ( continuous or x intermittent)
F.7. Pretreatment Standards. Indicate whether the SIU is subject to the following:
a. Local limits ,�.I Yes 0 No
b. Categorical pretreatment standards LEA Yes ❑ No
If subject to categorical pretreatment standards,which category and subcategory?
CUP- �' ���Sl,;go� �'C, m�+ul � nish�^.(/
EPA Form 3510-2A(Rev.1-99). Replaces EPA forms 7550-6&7550-22. Page 18 of 22

FACILITY NAME AND PERMIT NUMBER: A/C 00 107(p I PERMIT ACTION REQUESTED: RIVER
/BASIN:
To r.J n 0i No( WJJ i l ke56 e re) 1 AiUJT f Re Y1 t wa � . y�tGf F-� � /I -e e
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 1"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?
CI Yes E No(go to F.12)
F.10. Waste transport. Method by which RCRA waste is received(check all that apply):
❑ Truck ❑ Rail ❑ 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.) uf 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?
D Continuous ❑ Intermittent If intermittent,describe discharge schedule.
END OF PART F.
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 19 of 22

FACILITY NAM_EnAND PERMIT NUMBER: n/C ao a o-7 (0 PERMIT ACTION REQUESTED: RIVER BASIN:
/Oc.U✓1 OT Nod+, .t k s k0 ti,N r P Pen�wC�l ya�lib-/�2e.JJ��
SUPPLEMENTAL APPLICATION INFORMATION
PART G. COMBINED SEWER SYSTEMS
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 with Basic Application Information)
a. All CSO discharge points.
b. Sensitive use areas potentially affected by CSOs(e.g.,beaches,drinking water supplies,shellfish beds,sensitive aquatic ecosystems,and
outstanding natural resource waters).
c. Waters that support threatened and endangered species potentially affected by CSOs.
G.2. System Diagram. Provide a diagram,either in the map provided in G.1 or on a separate drawing,of the combined sewer collection system that
includes the following information.
a. Location of major sewer trunk lines,both combined and separate sanitary.
b. Locations of points where separate sanitary sewers feed into the combined sewer system.
c. Locations of in-line and off-line storage structures.
d. Locations of flow-regulating devices.
e. Locations of pump stations.
CSO OUTFACES:
Complete questions G.3 through G.6 once for each CSO discharge point.
G.3. Description of Duffel!.
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 CSO?
❑ Rainfall 0 CSO pollutant concentrations ❑ CSO frequency
❑ CSO flow volume 0 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 (0 actual or 0 approx.)
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
A

FACILITY NAME AND PERMIT NUMBER: NC 00a 0 7 b / PERMIT ACTION REQUESTED: RIVER BASIN:
//
/ ( 1 AVor/h Gt 4k€5/2Dio (,[I/,U7P Renew Yel'�f /P l ee
c. Give the average volume per CSO event.
or million gallons actual ;approx.)
(
d. Give the minimum rainfall that caused a CSO event in the last year
Inches of rainfall
G.5. 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(if known):
c. Name of State Management/River Basin:
United States Geological Survey 8-digit hydrologic cataloging unit code(if known):
G.6. CSO Operations.
Describe any known water quality impacts on the receiving water caused by this CSO(e.g.,permanent or intermittent beach closings,permanent or
intermittent shell fish bed closings,fish kills,fish advisories,other recreational loss,or violation of any applicable State water quality standard).
END OF PART G.
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

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USGS Quad: C14NW Wilkesboro, NC . -
Outfall Facility
Latitude: 36° 9'43"N 36° 9'44.8"N
Longitude: 81° 8' 0"W 810 8' 5,,W
Stream Class: C North Facility Location
Subbasin: 03-07-01 HUC: 03040101 Thurman Street WWTP NV0020761
Wilkes County
Receiving Stream: Yadkin River

Primary Tank 3@ 64,123 gal
Aeration Basin 2@ 500,000 gal
Final Settling Tank 4@ 98,803 gal
Holding Tank 1@ 998,793 gal
Digesters 2@ 278,911 gal
Drying Beds 6@ 18,750 gal 2500 sq/ft Only used for screenings
Influent Pumps 4@ 1,600 gpm
Primary Sludge Pump 2@ 190 gpm
Digester Blower 3@ 100 hp
Thickener Blower 1@ 10 hp
Thickener Pump 2@ 200 gpm
Aerators 8@ 25 hp
RAS Pump 4@ 550 gpm
WAS Pump 1@ 200 gpm
Holding Tank Mixer 1@ 15 hp

Wastewater enters the plant at the barscreen then to the grit chamber. It passes the influent sampler to
the wet well. Influent pumps pump wastewater through the influent flow meter to three primary tanks.
Sludge is then removed to the digester number one.Wastewater is then gravitied to the two aeration
basins.Then it runs through the splitter box to the four final settling tanks where sludge is returned to
the aeration basins and sludge is wasted to the digester number one. Wastewater then travels through
the effluent flow meter to the contact chamber then through the U.V. system. It then travels to the
effluent sampler to the Yadkin River.
Digester number one flows into digester number two and then to the thickener tank where sludge is
pumped to the holding tank and clear water is decanted to the wet well.

I
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'�✓ FIGURE NO.1-1
PLANT PROCESS SCHEMATIC
WASTEWATER TREATMENT PLANT
NORTH WILKESBORO, N.C.
FWKSEWEJt PETTIS A STROUT,SJC.
CONSULTING ENGINEERS

TOWN OF NORTH WILKESBORO, NC
SLUDGE MANAGEMENT PLAN
Updated February 1,2018
The sludge generated at the wastewater treatment plant is stored in a 1.0-MGD tank on site at the
wastewater treatment plant. The sludge is tested prior to land application and is applied accordance to
permit number WQ0037135,which is held by Southern Soil Builders Inc.The sludge removal and land
application is contracted to Southern Soil Builders,Inc.,which is located at 958 Hoots Road,Roaring River
North Carolina,28669. The telephone number is 336-957-8909.
Scott Perry,
Cgeold
ORC

Annual Monitoring and Pollutant Scan
Permit No. NC ()3,6 76 J Monthra
Outfall ().7/ YearLZ 6 U(0
Facility Name_Nortn Wilkesboro Wastewater Treatment Plant ORC_Scott Perry
Date of sampling_04-26-16 Phone _336-838-5001
Analytical Laboratory_Meritech
Parameter Sample Analytical Quantitation Sample Units of
Parameter Code Type Method Level Result Measurement
Ammonia(as N) C0610 Composite EPA 350.1 0.1 2 mg/1
Chlorine(total residual,TRC) 50060 Grab N/A N/A N/A N/A
Dissolved Oxygen 00300 Grab SM 4500-0 0 5.69 mg/1
Nitrite plus Nitrate Total(as N) 00630 Composite EPA 353.2 0.1 1.63 mg/1
Total Kjeldahl Nitrogen 00625 Composite EPA 351.1 0.2 3.65 mg/1
Oil and Grease 00556 Grab EPA 1664A 5 <5 mg/1
Total Phosphorus C06,65 Composite EPA 200.7 0.02 0.976 mg/1
Total Dissolved Solids 70295 Composite SM 2540C 10 184 mg/1
Hardness 00900 Composite SM 2340C 1 20 mg/1
Metals(total recoverable), cyanide and total phenols
Antimony 01097 Composite EPA200.7 0.025 <0.025 mg/1
Arsenic 01002 Composite EPA200.7 0.01 <0.010 mg/1
Beryllium 01012 Composite EPA200.7 0.005 <0.005 mg/1
Cadmium 01027 Composite EPA200.7 0.002 <0.002 mg/1
Chromium 01034 Composite EPA200.7 0.005 <0.005 mg/1
Copper 01042 Composite EPA200.7 0.002 0.009 mg/1
Lead 01051 Composite EPA200.7 0.01 <0.010 mg/1 , ..
Mercury(Method 1631E) COMER Composite EPA245.1 0.0002 <0.0002 mg/1
Nickel 01067 Composite EPA200.7 0.01 <0.010 mg/1
Selenium 01147 Composite EPA200.7 0.01 <0.010 mg/1
Silver 01077 Composite EPA200.7 0.005 <0.005 mg/1
Thallium 01059 Composite EPA200.7 0.005 <0.020 mg/1
Zinc 01092 Composite EPA200.7 0.01 0.086 mg/1
Cyanide 00720 Grab EPA200.7 0.005 <0.005 mg/1
Total phenolic compounds 32730 Grab EPA420.1 0.01 0.147° mg/1
Volatile organic compounds
Acrolein 34210 Grab EPA624 50 <50 ug/i
Acrylonitrile 34215 Grab EPA624 10 <10 ug/I
Benzene 34030 Grab EPA624 1 <1.0 ug/1
Bromoform 32104 Grab EPA624 1 <1.0 ug/1
Carbon Tetrachloride 32102 Grab EPA624 1 <1.0 ug/1
Chlorobenzene 34301 Grab EPA624 1 <1.0 u g/1
Chlorodibromomethane 34306 Grab EPA624 1 <1.0 ug/1
Chloroethane 85811 Grab EPA624 5 <5.0 ug/1
2-chloroethyl vinyl ether 34576 Grab EPA624 5 <5.0 ug/1
Chloroform 32106 Grab EPA624 1 <1.0 ug/1
Dichlorobromomethane 32101 Grab EPA624 1 <1.0 ug/1
1,1-dichloroethane 34496 Grab EPA624 1 <1.0 ug/1
1,2-dichloroethane 32103 Grab EPA624 1 <1.0 ug/1
Trans-1,2-dichloroethylene 34546 Grab EPA624 1 <1.0 ug/i
1,1 dichloroethylene 34501 Grab EPA624 1 <1.0 ug/1
1,2-dichloropropane 34541 Grab EPA624 1 <1.0 ug/1
Form - DMR- PPA-1 Page 1

,,! Annual Monitoring and Pollutant Scan ,I
Permit No. ,1 C Q 0a b7(,/ Month
Outfall aQ/ Year W/6
Parameter Sample Analytical Quantitation Sample Units of
Parameter Code Type Method Level Result Measurement
1,3-dichloropropylene 77163 Grab EPA624 1 <1.0 ug/1
Ethylbenzene 34371 Grab EPA624 1 <1.0 ugh I
Methyl Bromide 34413 Grab EPA624 5 <5.0 ug/1
Methyl Chloride 34418 Grab EPA624 5 <5.0 ug/1
Methylene Chloride 34423 Grab EPA624 1 <1.0 ug/1
1,1,2,2-tetrachloroethane 81549 Grab EPA624 1 <1.0 ug/1
' Tetrachloroethylene 34475 Grab EPA624 1 <1.0 ug/1
Toluene 34010 Grab EPA624 1 <1.0 ug/1
1,1,1-trichloroethane 34506 Grab EPA624 1 <1.0 ug/1
1,1,2-trichloroethane 34511 Grab EPA624 1 <1.0 ug/1
Trichloroethylene 39180 Grab EPA624 1 <1.0 ug/1
Vinyl Chloride 39175 Grab EPA624 5 <5.0 ug/1
Acid-extractable compounds
P-chloro-m-creso 34452 Grab EPA 625 10 <10 ug/1
-___-_-
2-chiorophenol 34586 Grab EPA 625 10 <10 u g/1
2,4-dichlorophenol 34601 Grab EPA 625 10 <10 ug/1
2,4-dimethylphenol 34606 Grab EPA 625 10 <10 ug/1
4,6-dinitro-o-cresol 34657 Grab EPA 625 10 <10 ug/1
2,4-dinitrophenol 34616 Grab EPA 625 50 <50 ug/1
2-nitrophenol 34591 Grab EPA 625 10 <10 ug/1
4-nitrophenol 34646 Grab EPA 625 50 <50 ug/1
Pentachlorophenol 39032 Grab EPA 625 50 <50 ug/1
Phenol 34694 Grab EPA 625 10 <10 ug/1
2,4,6-trichlorophenol 34621 Grab EPA 625 10 <10 ug/1
Base-neutral compounds
Acenaphthene 34205 Grab EPA 625 10 <10 ug/1
Acenaphthylene 34200 Grab EPA 625 10 <10 ug/1
Anthracene CO220 Grab EPA 625 10 <10 ug/1
Benzidine 39120 Grab EPA 625 50 <50 ug/1
Benzo(a)anthracene 34526 Grab EPA 625 10 <10 ug/1
Benzo(a)pyrene 34247 Grab EPA 625 10 <10 ug/1
3,4 benzofluoranthene 34230 Grab EPA 625 10 <10 ug/I
Benzo(ghi)perylene 34521 Grab EPA 625 10 <10 ug/1
Benzo(k)fluoranthene 34242 Grab EPA 625 10 <10 ug/1
Bis(2-chloroethoxy)methane 34278 Grab EPA 625 10 <10 ug/1
Bis(2-chloroethyl)ether 34273 Grab EPA 625 10 <10 ug/1
Bis(2-chloroisopropyl) ether 34283 Grab EPA 625 10 <10 ug/1
._..____....__._ ... _..
Bis(2-ethylhexyl)phthalate 39100 Grab EPA 625 10 <10 ug/1
4-bromophenyl phenyl ether 34636 Grab EPA 625 10 <10 ug/1
Butyl benzyl phthalate 34292 Grab EPA 625 10 <10 ug/I
2-chloronaphthalene 34581 Grab EPA 625 10 <10 ug/1
4-chlorophenyl phenyl ether 34641 Grab EPA 625 10 <10 ug/1
Chrysene 34320 Grab EPA 625 10 <10 ug/1
Di-n-butyl phthalate 39110 Grab EPA 625 10 <10 ug/1
Di-n-octyl phthalate 34596 Grab EPA 625 10 <10 ug/1
Dibenzo(a,h)anthracene 34556 Grab EPA 625 10 <10 ug/1
1,2-dichlorobenzene 34536 Grab EPA 625 10 <10 ug/1 i
Form - DMR- PPA-1 Page 2

Annual Monitoring and Pollutant Scan
Permit No. tie- 00267k,/ Month rI
Outfall 60 J Year
Parameter Sample Analytical Quantitation Sample Units of
Parameter Code Type Method Level Result Measurement
1,3-dichlorobenzene 34566 Grab EPA 625 10 <10 ug/1
1,4-dichlorobenzene 34571 Grab EPA 625 10 <10 ug/1
3,3-dichlorobenzidine 34631 Grab EPA 625 50 <50 ug/1
Diethyl phthalate 34336 Grab EPA 625 10 <10 ug/I
Dunethyl phthalate 34341 Grab EPA 625 10 <10 ug/1
2,4-dinitrotoluene 34611 Grab EPA 625 10 <10 ug/1
2,6-dinitrotoluene CO626 Grab EPA 625 10 <10 ug/1
1,2-diphenylhydrazine 34346 Grab EPA 625 10 <10
ug/1
Fluoranthene CO376 Grab EPA 625 10 <10 ug/1
Fluorene 34381 Grab EPA 625 10 <10 ug/1
Hexachlorobenzene C0700 Grab EPA 625 10 <10 ug/1
Hexachlorobutadiene 39702 Grab EPA 625 10 <10 ug/1
Hexachlorocyclo-pentadiene 34386 Grab EPA 625 50 <50 ug/1
Hexachloroethane 34396 Grab EPA 625 10 <10 ug/1
Indeno(1,2,3-cd)pyrene 34403 Grab EPA 625 10 <10 ug/1
Isophorone 34408 Grab EPA 625 10 <10 ug/1
Naphthalene 34696 Grab EPA 625 10 <10
Nitrobenzene 34447 Grab EPA 625 10 <10 ug/1
N nitrosodi n-propylamine 34428 Grab EPA 625 10 <10 ug/1
N-nitrosodimethylamine 34438 Grab EPA 625 10 <10 ug/1
N nitrosodiphenylamine 34433* Grab EPA 625 10 <10 ugh
Phenanthrene 34461 Grab EPA 625 10 <10 ug/1 .
Pyrene 34469 Grab EPA 625 10 <10 ug/1
1,2,4,-trichlorobenzene 34551 Grab EPA 625 10 <10 ug/1
"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 managed the system,or those persons directly responsible for gathering the information,
the information submitted is,to the best of my knowledge and belief,true,accurate,and complete. I am aware that there are
significant penalties for submitting false information,including the possibility of fines and imprisonment for knowing violations."
Authorized Representative name
---r----7
Signature
Date
Form - DMR- PPA-1 Page 3

Annual Monitoring and Pollutant Scan
Permit No. IA,/?0oZ07it Month -Sl)I Li
Outfall 00 ) Year .. -() 7
Facility Name_Nortn Wilkesboro Wastewater Treatment Plant ORC Scott Perry
Date of sampling_07-25-17 Phone _336-838-5001
Analytical Laboratory_Meritech
Parameter Sample Analytical Quantitation Sample Units of
Parameter Code Type Method Level Result Measurement
Ammonia(as N) C0610 Composite EPA 350.1 0.1 <.1 mg/1
- Chlorine(total residual,TRC) 50060 Grab N/A N/A N/A N/A
Dissolved Oxygen 00300 Grab SM 4500-0 0 4.89 mg/1
Nitrite plus Nitrate Total(as N) 00630 Composite EPA 353.2 0.1 2.1 mg/1
Total Kjeldahl Nitrogen 00625 Composite EPA 351.1 0.2 2.86 mg/I
-
Oil and Grease 00556 Grab EPA 1664A 5 <5 mg/1
Total Phosphorus C0665 Composite EPA 200.7 0.02 0.19 mg/1
Total Dissolved Solids 70295 Composite SM 2540C 10 170 mg/1
Hardness 00900 Composite SM 2340C 1 28 mg/1
Metals(total recoverable), cyanide and total phenols
Antimony 01097 Composite EPA200.7 0.025 <0.025 mg/1
Arsenic 01002 Composite EPA200.7 0.01 <0.010 mg/1
Beryllium 01012 Composite EPA200.7 0.005 <0.005 mg/1
Cadmium 01027 Composite EPA200.7 0.002 <0.002 mg/1
Chromium 01034 Composite EPA200.7 0.005 <0.005 mg/1
-
Copper 01042 Composite EPA200.7 0.002 0.004 mg/1
Lead 01051 Composite EPA200.7 0.01 0.016 mg/1
Mercury(Method 1631E) COMER Grab EPA1631 0.0002 5.25 ng/1
Nickel 01067 Composite EPA200.7 0.01 <0.010 mg/1
_
Selenium 01147 Composite EPA200.7 0.01 <0.010 mg/1
Silver 01077 Composite EPA200.7 0.005 <0.005 mg/1
Thallium 01059 Composite EPA200.7 0.005 <0.020 mg/i
Zinc 01092 Composite EPA200.7 0.01 0.037 mg/1
Cyanide 00720 Grab EPA200.7 0.005 <0.005 mg/1
Total phenolic compounds 32730 Grab EPA420.1 0.01 0.016" mg/1
Volatile organic compounds
Acrolein 34210 Grab EPA624 50 <50 ug/1
Acrylonitrile 34215 Grab EPA624 10 <10 ug/1
!Benzene 34030 Grab EPA624 1 <1.0 ug/1
Bromoform 32104 Grab EPA624 1 <1.0 ug/1
Carbon Tetrachloride 32102 Grab EPA624 1 <1.0 ug/l
Chlorobenzene 34301 Grab EPA624 1 <1.0 ug/1
Chlorodibromomethane 34306 Grab EPA624 1 <1.0 ug/1
Chloroethane 85811 Grab EPA624 5
2-chloroethyl vinyl ether 34576 Grab EPA624 5 <5.0 ug/1
Chloroform 32106 Grab EPA624 1 <1.0 ug/1
Dichlorobromomethane 32101 Grab EPA624 1 <1.0 ug/1
1,1-dichloroethane 34496 Grab EPA624 1 <1.0 ug/1
1,2-dichloroethane 32103 Grab EPA624 1 <1.0 ug/1
Trans-1,2-dichloroethylene 34546 Grab EPA624 1 <1.0 ug/1
1,1-dichioroethylene 34501 Grab EPA624 1 <1.0 ug/1
1,2-dichloropropane 34541 Grab EPA624 -
1 <1.0 ug/1
Form - DMR- PPA-1 Page 1
L

Annual Monitoring and Pollutant Scan
Permit No. PC OO,2t 7(o I Month To I
Outfall 00 I Year zxr�i 7
Parameter Sample Analytical Quantitation Sample Units of
Parameter Code Type Method Level Result Measurement
1_3-dichloropropylene 77163 Grab EPA624 1 <1.0 ug/1
Ethylbenzene 34371 Grab EPA624 1 <1.0 ug/1
Methyl Bromide 34413 Grab EPA624 5 <5.0 ug/1
Methyl Chloride 34418 Grab EPA624 5 <5.0 ug/1
Methylene Chloride 34423 Grab EPA624 1 <1.0 ug/1
1,1,2,2-tetrachloroethane 81549 Grab EPA624 1 <1.0 ug/1
Tetrachloroethylene 34475 Grab EPA624 1 <1.0 ug/1
Toluene 34010 Grab EPA624 1 <1.0 ug/1
1,1,1-trichloroethane 34506 Grab EPA624 1 <1.0 ug/I
1,1,2-trichloroethane 34511 Grab EPA624 1 <1.0 ugh 1
Trichloroethylene 39180 Grab EPA624 1 <1.0 ug/1
Vinyl Chloride 39175 Grab EPA624 5 <5.0 ug/1
Acid-extractable compounds
P_chloro-m-creso T 34452 Grab EPA 625 10 <10 ug/1
2-chlorophenol 34586 Grab EPA 625 10 <10 ug/1
2,4-dichlorophenol 34601 Grab EPA 625 10 <10 ug/1
2,4-dimethylphenol 34606 Grab EPA 625 10 <10 ug/1
4,6-dinitro-o-cresol 34657 Grab EPA 625 10 <10 ug/1
2,4-dinitrophenol 34616 Grab EPA 625 50 - <50 ug/1
2-nitrophenol 34591 Grab EPA 625 10 <10 ug/1
4-nitrophenol 34646 Grab EPA 625 50 <50 ugh
Pentachlorophenol 39032 Grab EPA 625 50 <50 ug/1
Phenol 34694 Grab EPA 625 10 <10 ug/1
2,4,6-trichlorophenol 34621 Grab EPA 625 10 <10 ug/1
Base-neutral compounds
Acenaphthene 34205 Grab EPA 625 10 <10 ug/1
Acenaphthylene 34200 Grab EPA 625 10 <10 ug/1
Anthracene CO220 Grab EPA 625 10 <10 ug/1
Benzidine 39120 Grab EPA 625 50 <50 ug/1
Benzo(a)anthracene 34526 Grab EPA 625 10 <10 ug/1
Benzo(a)pyrene _ 34247 Grab EPA 625 10 <10 ug/1
3,4 benzofluoranthene - 34230 Grab EPA 625 10 <10 ugh 1
Benzo(ghi)perylene 34521 Grab EPA 625 , 10 <10 ug/1
Benzo(k)fluoranthene 34242 Grab EPA 625 10 <10 ug/1
Bis(2-chloroethoxy)methane - 34278 Grab EPA 625 10 <10 ugh 1
Bis(2-chloroethyl)ether 34273 Grab EPA 625 10 <10 ug/1
Bis(2-chloroisopropyl)ether 34283 Grab EPA 625 10 <10 ug/I
Bis(2-ethylhexyl)phthalate 39100 Grab EPA 625 10 <10 ug/1
4-bromophenyl phenyl ether 34636 Grab EPA 625 10 <10 ug/1
Butyl benzyl phthalate 34292 Grab EPA 625 10 <10 ug/1
2-chloronaphthalene 34581 Grab EPA 625 10 <10 ug/1
4-chlorophenyl phenyl ether 34641 __Grab EPA 625 10 <10 ug/1
Chrysene 34320 Grab EPA 625 10 <10 ug/1
Di-n-butyl phthalate 39110 Grab EPA 625 10 <10 _ ug/1
Di-n-octyl phthalate 34596 Grab EPA 625 10 <10 ug/1
Dibenzo(a,h)anthracene 34556 Grab EPA 625 10 <10 ug/1
1,2-dichlorobenzene 34536 Grab EPA 625 10 - <10 ug/1
Form - DMR- PPA-1 Page 2

Annual Monitoring and Pollutant Scan
Permit No. A/C 6 :).c.7 b 1 Month _r) v 1
Outfall 00 ) Year -1-0 / 7
Parameter Sample Analytical Quantitation Sample Units of
Parameter Code Type Method Level Result Measurement
1,3-dichlorobenzene 34566 Grab EPA 625 10 <10 ug/l
1,4-dichlorobenzene 34571 Grab EPA 625 10 <10 ug/1
3,3-dichlorobenzidine 34631 Grab EPA 625 50 <50 ug/1
Diethyl phthalate 34336 Grab EPA 625 10 <10 ug/1
Dimethyl phthalate 34341 Grab EPA 625 10 <10 ug/I
2,4-dinitrotoluene 34611 Grab EPA 625 10 <10 ug/1
2,6-dinitrotoluene C0626 Grab EPA 625 10 <10 ug/1
1,2-diphenylhydrazine 34346 Grab EPA 625 10 <10 ugh I
Fluoranthene C0376 Grab EPA 625 10 <10 ugh
Fluorene 34381 Grab EPA 625 10 <10 ug/1
Hexachlorobenzene C0700 Grab EPA 625 10 <10 ug/1
Hexachlorobutadiene 39702 Grab EPA 625 10 <10 ug/1
Hexachlorocyclo-pentadiene 34386 Grab EPA 625 50 <50 ug/1
—
Hexachloroethane 34396 Grab EPA 625 10 <10 ug/I
Indeno(1,2,3-cd)pyrene 34403 Grab EPA 625 10 <10 ug/1
Isophorone 34408 Grab EPA 625 10 <10 ug/1
Naphthalene 34696 Grab EPA 625 10 <10 ug/1
Nitrobenzene 34447 Grab EPA 625 10 <10 ug/1
N-nitrosodi-n-propylamine 34428 Grab EPA 625 10 <10 u g/1 N-nitrosodimethylamine 34438 Grab EPA 625 10 <10 ug/1
N-nitrosodiphenylamine 34433 Grab EPA 625 10 <10 ug/1
Phenanthrene 34461 Grab EPA 625 10 <10 ug/1
T
Pyrene 34469 Grab EPA 625 10 <10 ug/1
-----
1,2,4,-trichlorobenzene 34551 Grab EPA 625 10 <10 ug/1
"1 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 managed the system,or those persons directly responsible for gathering the information,
the information submitted is,to the best of my knowledge and belief,true,accurate,and complete. I am aware that there are
significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
Authorized Representative name
Signature / '
641 - /9- ' ?
Date
Form - DMR- PPA-1 Page 3

___- 1\5 C 6 G a 0 L i Annual Monitoring and Pollutant Scan
Permit No. (v% Month CCt 1:
Outfall OC i Year C'i<i
Facility Name_Nortn Wilkesboro Wastewater Treatment Plant ORC Scott Perry
Date of sampling_10-10-18 Phone _336-838-5001
Analytical Laboratory_Meritech
Parameter Sample Analytical Quantitation Sample Units of
Parameter Code Type Method Level Result Measurement
Ammonia (as N) C0610 Composite EPA 350.1 0.1 <.1 mg/1
Chlorine (total residual,TRC) 50060 Grab N/A N/A N/A N/A
Dissolved Oxygen 00300 Grab SM 4500-0 0 5.18 mg/1
Nitrite plus Nitrate Total (as N) 00630 _ Composite EPA 353.2 0.1 1.52 mg/1
Total Kjeldahl Nitrogen 00625 Composite EPA 351.1 0.2 3.39 mg/1
Oil and Grease 00556 Grab EPA 1664A 5 <5 mg/1
Total Phosphorus C0665 Composite EPA 200.7 0.02 0.237 mg/1
Total Dissolved Solids 70295 Composite SM 2540C 10 150 mg/1
Hardness 00900 Composite SM 2340C 1 28 mg/1
Metals (total recoverable), cyanide and total phenols
Antimony 01097 Composite EPA200.7 0.025 <0.025 mg/1
Arsenic 01002 Composite EPA200.7 0.01 <0.010 mg/1
Beryllium __ 01012 - Composite EPA200.7 0.005 <0.005 _ mg/1
Cadmium 01027 Composite EPA200.7 0.002 <0.002 mg/1
Chromium 01034 _ Composite EPA200.7 0.005 <0.005 mg/1
Copper _ 01042 Composite EPA200.7 0.002 0.004 mg/1
Lead 01051 Composite EPA200.7 0.01 <.010 mg/1
Mercury(Method 1631E) COMER Grab EPA1631 1 9.54 ng/1
Nickel 01067 Composite EPA200.7 0.01 <0.010 mg/1
Selenium 01147 Composite EPA200.7 0.01 <0.010 mg/1
Silver 01077 Composite EPA200.7 0.005 <0.005 mg/1
Thallium 01059 Composite EPA200.7 0.005 <0.020 mg/1
-
Zinc 01092 Composite EPA200.7 0.01 0.027 mg/1
Cyanide 00720 Grab EPA200.7 0.005 <0.005 mg/1
Total phenolic compounds 32730 Grab EPA420.1 0.01 0.014 mg/1
Volatile organic compounds
Acrolein 34210 Grab EPA624 50 <50 ug/1
Acrylonitrile 34215 Grab EPA624 l0 <10 ug/1
Benzene 34030 Grab EPA624 1 <1.0 ug/1
Bromoform 32104 Grab EPA624 1 <1.0 ug/1 1
Carbon Tetrachloride 32102 Grab EPA624 1 <1.0 ug/1
Chlorobenzene 34301 Grab EPA624 1 <1.0 ug/1
Chlorodibromomethane 34306 Grab EPA624 1 <1.0 ug/1
Chloroethane 85811 Grab EPA624 5 <5.0 ug/1
2-chloroethyl vinyl ether 34576 Grab EPA624 5 <5.0 ug/1
Chloroform 32106 Grab EPA624 1 <1.0 ug/1
Dichlorobromomethane 32101 Grab EPA624 1 <1.0 ug/1
1,17-dichloroethane 34496 Grab EPA624 1 <1.0 ug/1
1,2-dichloroethane 32103 Grab EPA624 1 <1.0 ug/1
Trans-1,2-dichloroethylene 34546 Grab EPA624 1 <1.0 ug/1
^1,1-dichloroethylene 34501 Grab EPA624 1 <1.0 u g/I
1,2-dichloropropane 34541 Grab EPA624 1 <1.0 ug/1
Form - DMR- PPA-1 Page 1

Annual Monitoring and Pollutant Scan
Permit No. NG OO/1o7 6 i Month Ocl'b.e
Outfall 0 0/ year aoLE(
Parameter Sample Analytical Quantitation Sample Units of
arameter Code Type Method Level Result Measurement
1,3-dichloropropylene 77163 Grab EPA624 1 <1.0 ug/1
Ethylbenzene 34371 Grab EPA624 1 <1.0 ugh
Methyl Bromide 34413 Grab EPA624 5 <5.0 ug/1
Methyl Chloride 34418 Grab EPA624 5 <5.0 ug/1
Methylene Chloride 34423 Grab EPA624 1 <1.0 ug/1
1,1,2,2-tetrachloroethane 81549 Grab EPA624 1 <1.0 ug/1
Tetrachloroethylene 34475 Grab EPA624 1 <1.0 ug/1
Toluene 34010 Grab EPA624 1 <1.0 ug/1
1,1,1-trichloroethane 34506 Grab EPA624 1 <1.0 ug/l
1,1,2-trichloroethane _ 34511 Grab EPA624 1 <1.0 ug/1
Trichloroethylene 39180 Grab EPA624 1 <1.0 ug/1
Vinyl Chloride 39175 Grab EPA624 5 <5.0 ug/1
Acid-extractable compounds
P-chloro-m-creso 34452 Grab EPA 625 10 <10 ug/1
2-chlorophenol 34586 Grab EPA 625 10 <10 ug/1
2,4-dichlorophenol 34601 Grab EPA 625 10 <10 ug/1
2,4-dimethylphenol 34606 Grab EPA 625 10 <10 ug/1
4,6-dinitro-o-cresol 34657 Grab EPA 625 10 <10 ugh
2,4-dinitrophenol 34616 Grab EPA 625 50 <50 ug/1
2-nitrophenol 34591 Grab EPA 625 10 <10 ug/1
4-nitrophenol 34646 Grab EPA 625 50 <50 ug/1
Pentachlorophenol 39032 Grab EPA 625 50 <50 ug/1
Phenol 34694 Grab EPA 625 10 <10 ug/1
2,4,6-trichlorophenol 34621 Grab EPA 625 10 <10 ug/1
Base-neutral compounds
Acenaphthene 34205 Grab EPA 625 10 <10 ug/1
Acenaphthylene 34200 Grab EPA 625 10 <10 ug/1
Anthracene CO220 Grab EPA 625 10 <10 ug/1
Benzidine 39120 Grab EPA 625 50 <50 ug/1
Benzo(a)anthracene 34526 Grab EPA 625 10 <10 ug/1
Benzo(a)pyrene 34247 Grab EPA 625 10 <10 ug/1
3,4 benzofluoranthene 34230 Grab EPA 625 10 <10 ug/1
Benzo(ghi)perylene 34521 Grab _ EPA 625 10 <10 ug/1
Benzo(k)fluoranthene 34242 Grab EPA 625 10 <10 ug/1
Bis(2-chloroethoxy)methane 34278 Grab EPA 625 10 <10 ug/1
Bis(2-chloroethyl)ether 34273 Grab EPA 625 10 <10 ug/1
Bis(2-chloroisopropyl)ether 34283 Grab EPA 625 10 <10 ug/I
Bis(2-ethylhexyl)phthalate 39100 Grab EPA 625 10 <10 ug/1
4-bromophenyl phenyl ether 34636 Grab EPA 625 10 <10 ug/1
Butyl benzyl phthalate 34292 Grab EPA 625 10 <10 ug/1
2-chloronaphthalene 34581 Grab EPA 625 10 <10 ug/1
4-chlorophenyl phenyl ether 34641 Grab EPA 625 10 <10 ug/1
Chrysene [ 34320 Grab EPA 625 10 <10 ug/1
Di-n-butyl phthalate 39110 Grab EPA 625 _ 10 <10 ugh 1
Di-n-octyl phthalate 34596 Grab EPA 625 10 <10 ug/1
Dibenzo(a,h)anthracene 34556 Grab EPA 625 10 <10 ug/1
1,2-dichlorobenzene 34536 Grab EPA 625 10 <10 ug/1
Form- DMR- PPA-1 Page 2

A/C 0 0 moo,` Annual Monitoring and Pollutant Scan
'"Permit No. Month GCie -,,r
Outfall 00 1 Year 3-6 I r
1 Parameter Sample Analytical Quantitation Sample Units of
.iarame ter Code Type Method Level Result Measurement
1,3-dichlorobenzene 34566 Grab EPA 625 10 <10 ug/1
--
1,4-dichlorobenzene 34571 Grab EPA 625 10 <10 ug/1
3,3-dichlorobenzidine 34631 Grab EPA 625 50 <50 ug/1
Diethyl phthalate 34336 Grab EPA 625 10 <10 ug/1
Dimethyl phthalate 34341 Grab EPA 625 10 <10 ug/1
_ --_--_2,4-dinitrotoluene 34611 Grab EPA 625 10 <10 ug/1
2,6-dinitrotoluene CO626 Grab EPA 625 10
1,2-diphenylhydrazine 34346 Grab EPA 625 10 <10 ug/1
Fluoranthene CO376 Grab EPA 625 10 <10 ug/1
Fluorene 34381 Grab EPA 625 10 <10 ug/1
Hexachlorobenzene CO700 Grab EPA 625 10 <10 ug/1
Hexachlorobutadiene 39702 Grab EPA 625 10 <10 ug/1
Hexachlorocyclo-pentadiene 34386 Grab EPA 625 50 <50 ug/1
Hexachloroethane 34396 Grab EPA 625 10 <10 ug/1
Indeno(1,2,3-cd)pyrene 34403 Grab EPA 625 10 <10 ug/I
Isophorone 34408 Grab EPA 625 10 <10 ug/1
__.
Naphthalene 34696 Grab EPA 625 10 <10 u g/I
Nitrobenzene 34447 Grab EPA 625 10 <10 ug/1
N-nitrosodi-n-propylamine 34428 Grab EPA 625 10 <10 ug/1
N-nitrosodimethylamine 34438 Grab EPA 625 10 <10 ug/1
N-nitrosodiphenylamine 34433 Grab EPA 625 10 <10 ug/1
Phenanthrene 34461 Grab EPA 625 10 <10 ug/1
Pyrene 34469 Grab EPA 625 10 <10 ug/1
— —_ —1,2,4,-trichlorobenzene 34551 Grab EPA 625 10 <10 ug/1
"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 managed the system,or those persons directly responsible for gathering the information,
the information submitted is,to the best of my knowledge and belief,true,accurate,and complete. I am aware that there are
significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
Authorized Representative name
f ��
4. :..,
Signature d
// /6 --ld
Date
Form - DMR- PPA-1 Page 3

1 7
Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 07/20/15
Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laborator Performing Test: MERITECH LABS, INC.
Comments:
x s
Signature of Operator __ Responsible Charge
X - ,
Signature of Laboratorv`SupeYvisor * PASSED: -0.73% Reduction *
Water Sciences Section -Aquatic •nimm
Work Order: Toxicology Branch
MAIL ORIGINAL TO:
Division of Water Resources
1623 Mail Service Center 621
North Carolina Ceriodaphnia Raleigh, N.C. 27699-1623
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t =
Tabular t =
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 ii 12 % Reduction = -0.73
% Mortality Avg.Reprod.
# Young Produced 20 23 22 23 22 26 23 19 21 24 25 25
0.00 22.75
Control Control
Adult (L) ive (D)ead L L L L L L L L L L L L
8.33 22.92
Treatment 2 Treatment 2
Effluent %: 1.6%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
9.206% PASS FAIL
# Young Produced 28 22 28 16 27 27 25 5 23 27 26 21 % control orgs X
producing 3rd
brood Check One
Adult (L) ive (D)ead L L L L L L L D L L L L 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 07/08/15 I
Control 8.05 8 .14 8 .15 8 .12 8 .03 7.91 Collection (Start) Date
Sample 1: 07/06/15 Sample 2: 07/08/15
Treatment 2 7.98 8 .08 8 .01 8 .12 8.04 7.88 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24 .1 hrs L A A
✓ d r d r d U M M
t t t Sample 2 X 24.1 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness(mg/1) 47
Control 7.94 8 .26 8.18 8 .28 8.48 7.70
Spec. Cond. (pmhos) 188 291 305
Treatment 2 7.93 8.20 8.30 8.32 8.40 7.62
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt (°C) 1.1 1.3
(Mortality expressed as %, combining replicates) i
Note: Please
% % % % % % % % % % Concentration Complete This
Section Also
% % % % % % % % % % Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit
% -- % Spearman Karber _ Other - High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 10/15/15
Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laboratory Performing Test: MERITECH LABS, INC.
Comments:
X1 t- =-------
Signature of Operator ir2-'Responsible Charge
Signature of Laboratory Supervisor * PASSED: 7.87% Reduction *
Water Sciences Section - Aquatic mom_
Work Order: Toxicology Branch
MAIL ORIGINAL TO:
Division of Water Resources
1623 Mail Service Center 621
North Carolina Ceriodaphnia Raleigh. N.C. 27699-1623
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t =
Tabular t =
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = 7.87
% Mortality Avg.Reprod.
# Young Produced 20 20 20 22 24 22 20 24 21 23 17 21
0.00 21.17
Control Control
Adult Wive (D)ead L L L L L L L L L L L L
16.67 19.50
Treatment 2 Treatment 2
Effluent %: 1.6%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
9 .413% PASS FAIL
# Young Produced 23 21 25 22 23 22 21 20 15 20 2 20 % control orgs X
producing 3rd
brood Check .,One
Adult (L) ive (D)ead L L L L L L L L L L D D 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 10/07/15
Control 7.92 7.84 7.96 7.81 7.63 7.80 Collection (Start) Date
Sample 1: 10/05/15 Sample 2: 10/07/15
Treatment 2 7.92 7.89 7.86 8 .05 7.78 7.83 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24.1 hrs L A A
r d r d r d U M M
t t t Sample 2 X 24.2 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness (mg/1) 44
Control 8.13 7.94 8.01 7.83 7.91 7.81
Spec. Cond. (pzmhos) 171 215 277
Treatment 2 8.20 7.95 8.05 7.96 7.95 7.86
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt(°C) 0.9 0.4
(Mortality expressed as %, combining replicates) I
Note: Please
% % % % % % o % Concentration Complete This
Section Also
° % % % % % % % %% Mortality
°
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit _
-- % Spearman Karber _ Other High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 01/14/16
Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Labo a ory Performing Test: MERITECH LABS, INC.
x / '7 Comments:
Signature ot Operater in Responsible Charge
4
Signature of Laboratory Supervisor * PASSED: 0.00% Reduction *
Water Sciences Section - Aquatic mom=
Work Order: I Toxicolo Branch
MAIL ORIGINAL TO: I °b3'
I Division of Water Resources
j 1623 Mail Service Center 21
North Carolina Ceriodaphnia Raleigh. N.C. 27699-1623
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t =
Tabular t =
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction =
% Mortality Avg.Reprod.
# Young Produced 18 20 15 23 16 21 17 18 15 16 22 17
0.00 18.17
Control Control
Adult (L) ive (D)ead L L L L L L L L L L L L
0.00 18 . 17
Treatment 2 Treatment 2
Effluent %: 1.6%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
14 .999% PASS FAIL
# Young Produced 19 14 19 20 17 21 18 16 19 16 19 20 % control orgs X
producing 3rd
brood Check One
Adult (L) ive (D) ead L L L L L L L L L L L L 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 01/06/16
Control 7.86 7.88 7.95 7.88 7.90 7.82 Collection (Start) Date
Sample 1: 01/04/16 Sample 2: 01/06/16
Treatment 2 7. 96 7.97 7.87 7.86 7.79 7.86 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24.1 hrs L A A
r d r d r d U M M
t t t Sample 2 X 24 .1 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness (mg/1) 48
Control 7.91 7.85 8.09 7.85 8.28 8.07
Spec. Cond. (pmhos) 162 232 273
Treatment 2 7.70 7.90 8 .51 7 .74 8.11 7.94
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt(°C) 0.7 0.5
(Mortality expressed as %, combining replicates) I
Note: Please
% % % % % % % % % % Concentration Complete This
Section Also
% % % % % % % % % Mortality
%
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit
% -- % Spearman Karber - Other High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 05/05/16
Facility: TOWN OF NORTH WILKSBORO NPDES#: NO0020761 Pipe#: County: WILKES
Laborato ,-Performing Test: MERITECH LABS, INC. Comments:
X ?-----
Si nature of Operator. r)ResResponsible Charge
X / ``--(�= ,:-..
Signature of Laboratory Supervisor * PASSED: -13 .73% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t = -2.063
Tabular t = 2.508
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = -13 .73
% Mortality Avg.Reprod.
# Young Produced 19 17 18 17 21 21 19 23 24 20 26 30
0.00 21.25
Control Control
Adult (L) ive (D)ead L L L L L L L L L L L L
8.33 24.17
Treatment 2 Treatment 2
Effluent %:
: 1.6%
TREATMENT ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
18.404% PASS FAIL
# Young Produced 22 25 29 22 24 22 23 30 24 23 20 26 % control orgs X
producing 3rd
brood Check One
Adult (L) ive (D)ead L D L L L L L L L L L L 100% ,
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 04/27/16
Control 8.07 8.00 8.04 7.99 8.14 8.10 Collection (Start) Date
Sample 1: 04/25/16 Sample 2: 04/27/16
Treatment 2 8.01 8 .01 7.95 8.11 8.12 8.09 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24.1 hrs L A A
✓ d r d r d U M M
t t t Sample 2 X 24 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness (mg/1) 48
Control 8.17 7.47 8 .07 7.59 7.91 7.59
Spec. Cond. (pmhos) 181 292 327
Treatment 2 8.07 7.50 8.01 7.68 7.65 7.52
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt(°C) 0.7 0.8
(Mortality expressed as %, combining replicates) I
Note: Please
% % % % % % % Concentration Complete This
Section Also
% % o o % Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit _
% -- % Spearman Karber _ Other High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4 .41)

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 08/04/16
1 Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laboratory Performing Test: MERITECH LABS, INC.
Comments:
X 0Gti--tt4-7 .--�
Signature of Operator in Responsible Charge
�Signature of Laborat Supervisor * PASSED: 7.25% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t = 0.962
Tabular t = 2.508
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = 7.25
I Mortality Avg.Reprod.
# Young Produced 20 27 26 26 24 19 16 16 23 22 25 18
0.00 21.83
Control Control
Adult (L) ive (D)ead L L L L L L L L L L L L
16.67 20.25
Treatment 2 Treatment 2
Effluent %: 1.6%
TREATMENT ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
- 18.094% PASS FAIL
# Young Produced 16 21 28 15 16 18 23 21 21 23 25 16 % control orgs X
producing 3rd
brood Check One
Adult (L) ive (D) ead L L L L D L L L L L D L 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 07/27/16
Control 7.89 7.88 7 .85 7.84 8.05 7.80 Collection (Start) Date
Sample 1: 07/25/16 Sample 2: 07/27/16
Treatment 2 7.82 7.91 7.93 7.92 7.86 7.85 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24 .0 hrs L A A
✓ d r d r d U M M
t t t Sample 2 X 24.1 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness(mg/1) 46
Control 7.95 7.44 7.97 7.46 7.72 7.78
Spec. Cond. (pmhos) 154 308 278
Treatment 2 8.02 7.66 7.86 7.67 7.75 7.75
Chlorine(mg/l) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt(°C) 0.6 0.5
(Mortality expressed as %, combining replicates) I
Note: Please
Concentration Complete This
Section Also
% % o % % % % o % Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit
% -- % Spearman Karber - Other High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4 .41)

/
Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 10/26/16
Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES- ' 11
Laboratory Performing Test: MERITECH LABS, INC.
X -5-2 e. ./../(_..
-' Comments:
Signature o Qperat r in ,Responsible Charge
Signature of Laboratory Supervisor * PASSED: -10.76% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t = -2.481
Tabular t = 2.508
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = -10.76
% Mortality Avg.Reprod.
# Young Produced 20 18 18 23 22 25 24 19 16 21 23 22
0.00 20.92
Control Control
Adult (L)ive (D)ead L L L L LLLLLLLL
0.00 23 .17
Treatment 2 Treatment 2
Effluent %: 1.6%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
13.126% PASS FAIL
# Young Produced 22 20 24 24 21 24 25 23 24 23 25 23 % control orgs X
producing 3rd
brood Check One
Adult (L)ive (D)ead L L L L L L L L L L L L 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 10/19/16
Control 8.20 8 .25 8.21 8.29 8.17 8.35 Collection (Start) Date
Sample 1: 10/17/16 Sample 2: 10/19/16
Treatment 2 8.15 8 .23 8.15 8.24 8.17 8.24 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24.1 hrs L A A
✓ d r d r d U M M
t t t Sample 2 X 24 .1 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness (mg/1) 48
Control 7.74 7.75 7.94 7.28 7.30 7.15
Spec. Cond. (pmhos) 177 295 296
Treatment 2 7.60 7.74 7.90 7.30 7.27 7.24
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt(°C) 1.9 1.6
(Mortality expressed as %, combining replicates) 1
Note: Please
% % % % % O. 0 96 % Concentration Complete This
Section Also
% % % % % % % %- % Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit
% -- % Spearman Karber _ Other - High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

Effluent T-ox city Report Form - Chronic Pass/Fail and Acute LC50 Date: 01/19/17
Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES-
Laboratory Performing Test: MERITECH LABS, INC.
-�� =.f7-.
Comments: *Test organism #5
X Sign tlm oftlOperato�t' �.f1 Responsible Charge killed in transfer. Not included
X •�/Z,fLC✓" x in final results.
Signature of Laboratory Supervisor * PASSED: 6.16% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t = 1.220
Tabular t = 2.518
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = 6.16
% Mortality Avg.Reprod.
# Young Produced 22 22 21 25 24 21 27 23 23 22 26 23
0.00 23 .25
Control Control
Adult (L) ive (D)ead L L L L L L L L L L L L
0.00 21.82
Treatment 2 Treatment 2
Effluent %: 1.6%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
8.227% PASS FAIL
# Young Produced 23 22 25 22 0 22 19 20 25 13 25 24 % control orgs X
producing 3rd
brood Check One
Adult (L) ive (D)ead L L L L * L L L L L L L 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 01/11/17
Control 8.12 8 .04 7.95 8 .00 8 .04 8.01 Collection (Start) Date
Sample 1: 01/09/17 Sample 2: 01/11/17
Treatment 2 7.99 8.07 8 .01 7.99 7.98 7.39 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24.0 .hrs L A A
✓ d r d r d U M M
t t t Sample 2 X 24 .2 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness(mg/1) 46
Control 7.85 7.75 7 .69 7.50 7.78 7.43
Spec. Cond. (imhos) 170 305 763
Treatment 2 7.64 7.66 7.75 7.52 7.82 7.40
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt(°C) 1.7 1.8
(Mortality expressed as %, combining replicates) i
Note: Please
% % % % % o % % % % Concentration Complete This
Section Also
% % % % % % % % % Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit
% -- % Spearman Karber Other High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 04/20/17
Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laboratory Performing Test: MERITECH LABS, INC.
X r f 1 � �� Comments
Signature of Operator in%Responsible Charge
Signature of LaborattOryy--Supervisor * PASSED: 1.79% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t =
Tabular t =
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = 1.79
% Mortality Avg.Reprod.
# Young Produced 23 21 23 26 25 24 26 21 23 26 21 21
0.00 23 .33
Control Control
Adult (L) ive (D)ead L L L L L L L L L L L L
0.00 22.92
Treatment 2 Treatment 2
Effluent %: 1.6%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
8.827% PASS FAIL
# Young Produced 23 26 23 23 14 25 21 25 23 22 25 25 % control orgs X
producing 3rd
brood Check One
Adult (L) ive (D)ead L L L L LLLLLLLL 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 04/12/17
Control 7.98 8 .05 8.12 8.01 8.32 8 .08 Collection (Start) Date
Sample 1: 04/10/17 Sample 2: 04/12/17
Treatment 2 8 .00 8.08 8.06 8 .03 8 .08 8 .00 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24 .1 hrs L A A
✓ d r d r d U M M
t t t Sample 2 X 24 .1 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness (mg/1) 48
Control 8.03 7.92 8.02 7.63 7.62 7.25
Spec. Cond. ( zos) 179 246 281
Treatment 2 7.81 7.89 7.63 7.69 7.13 7.34
Chlorine(mg/1) <0.1 <0 .1
LC50/Acute Toxicity Test Sample temp. at receipt(°C) 1.6 0.9
(Mortality expressed as %, combining replicates) i
Note: Please
% % % % % % % o % Concentration Complete This
Section Also
% % % % % % % a % % Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit _
% -- % Spearman Karber _ Other High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4 .41)

//°
' Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 08/03/17
(Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laboratory Performing Test: MERITECH LABS, INC.
Comments:
X > c70.-il
Signature of,Qperato in Responsible Charge
X /_ f �y - - -c •
4.
Signature of Laboratory Supervisor * PASSED: -1.82% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t = -0.470
Tabular t = 2.508
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = -1.82
% Mortality Avg.Reprod.
# Young Produced 22 27 27 23 22 19 22 21 24 24 20 23
0.00 22.83
Control Control
Adult (L) ive (D)ead L L L L L L L L L L L L
0.00 23 .25
Treatment 2 Treatment 2
Effluent %:
: 1.6%
TREATMENT ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
10.701% PASS FAIL
# Young Produced 23 22 22 25 27 22 22 22 23 26 24 21 % control orgs X
producing 3rd
brood Check One
Adult (L) ive (D) ead L L L L L L L L L L L L 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 07/26/17
Control 8.11 8.00 8.13 8 .13 8 .02 8 .13 Collection (Start) Date
Sample 1: 07/24/17 Sample 2: 07/26/17
Treatment 2 8.06 8 .09 8 .02 7.93 8.24 8.05 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24.1 hrs L A A
✓ d r d r d U M M
t t t Sample 2 X 24.1 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness(mg/1) 46
Control 8.02 7.51 7.81 7.65 7.80 7.51
Spec. Cond. (pmhos) 163 254 286
Treatment 2 8 .05 7.60 7.74 7.76 7.77 7.60
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt (°C) 1.4 2.2
(Mortality expressed as %, combining replicates) i
Note: Please
%� % % o % Concentration Complete This
Section Also
% % % % % %'I % % % % Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit _
-- % Spearman Karber - Other High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 10/30/17
Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laboratory Perfgr`ming Test: MERITECH LABS, INC.
J - Comments: Second copy
x Gty. � - - j
Signature of Operator/in Responsible Charge
Signature of Laboratory Supervisor * PASSED: 2 .10% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t = 0 .557
Tabular t = 2.508
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = 2.10
% Mortality Avg.Reprod.
# Young Produced 24 23I22 22 25 19 26 27 266 26 23 23
0.00 23 .83
Control Control
Adult (L) ive (D)ead L L L LLLLLLLLL
0.00 23 .33
Treatment 2 Treatment 2
Effluent %: 1.6%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
9.607% PASS FAIL
# Young Produced 24 23 25 25 22 26 23 18 23 24 22 25 % control orgs X
producing 3rd
brood Check One
Adult (L) ive (D)ead L L L L L L L L L L L L 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 10/04/17
Control 8.11 8.10 8.11' 8.11 8.15 8 .08 Collection (Start) Date
Sample 1: 10/02/17 Sample 2: 10/04/17
Treatment 2 8 .10 8.10 8 .06 8 .07 8 .06 8.08 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24 .1 hrs L A A
✓ d r d r d U M M
t t t Sample 2 X 24 .1 hrs T P P
1st sample 1st -,mple 2nd sample
D.O. Hardness (mg/1) 46
Control 7.84 7.64 7.84 7.54 7.91 7.48
Spec. Cond. (pmhos) 168 277 312
Treatment 2 7.75 7.66 7.6S 7.56 7.90 7.48
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt(°C) 2.3 2.0
(Mortality expressed as %, combining replicates) I
Note: Please
95 % % % 96 % % % o % Concentration Complete This
Section Also
% % % % % % % % % Mortality
� ' start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits -roving Average Probit
% -- o C, :earman i:arber _ Other - High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 02/01/18
Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laboratory Performing Test: MERITECH LABS, INC.
X . 442*4' 7 - Comments:
Signature,of OperatorL.!r� Responsible Charge
X ,i
Signature of Laboratory Supervisor * PASSED: -10.18% Reduction *
Work Order: Environmental Sciences Branch
I MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t =
Tabular t =
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = -10.18
% Mortality Avg.Reprod.
# Young Produced 21 24 25 24 24 24 19 25 24 25 24 26
0.00 23 .75
Control Control
Adult (L) ive (D)ead L L L L L LLLLLLL
0.00 26 .17
Treatment 2 Treatment 2
Effluent %: 1.6%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
8 .054% PASS FAIL
# Young Produced 25 27 26 27 25 22 25 28 27 27 27 28 % control orgs X
producing 3rd
I brood Check One
Adult (L) ive (D) ead L L L L L L L L L L L L 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 01/24/18
Control 7.99 8.08 8.14 8.13 8 .05 8 .03 Collection (Start) Date
Sample 1: 01/22/18 Sample 2: 01/24/18
Treatment 2 8.06 8.09 8.04 8 .10 7.99 8.05 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24 .1 hrs L A A
r d r d r d U M M
t t t Sample 2 X 23 .8 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness (mg/1) 48
Control 7.52 8.21 7.89 7.74 7.78 7.63
Spec. Cond. (pmhos) 160 450 376
Treatment 2 7.71 8 .14 7.96 7.68 7.71 7.60
Chlorine(mg/1) <0.1 <0 .1
LC50/Acute Toxicity Test Sample temp. at receipt(°C) 1.1 1.0
(Mortality expressed as %, combining replicates) I
Note: Please
% % % % % % % % % % Concentration Complete This
Section Also
% % % % % % % % % % Mortality
start/end start/end
LC50 = Method of Determination Control
95% Confidence Limits Moving Average Probit _
% -- % Spearman Karber _ Other High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 04/26/18
II
1 (Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laborat ry Perfo ing Test: MERITECH LABS, INC.
Comments:
X •GJ'' �G�__T--�._ .��-,- Responsible Char e
S'ignature of,Operator *rg
X e o Supervisor
� '-
Signature Laboratory * PASSED: -11.51% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t =
Tabular t =
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = -11.51
% Mortality Avg.Reprod.
# Young Produced 24 24 22 19 19 27 21 25 22 17 8 24
8.33 21.00
Control Control
Adult (L) ive (D)ead L L L L L L L L L D L L
I 0.00 23 .42
Treatment 2 Treatment 2
Effluent %: 1.6%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
23 .766% PASS FAIL
# Young Produced 24 20 26 23 24 23 23 24 21 24 21 28 % control orgs X
producing 3rd
brood Check One
Adult (L) ive (D)ead L L L L L L LLLLLL 91.7%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 04/18/18
Control 8.13 8.00 8.14 8 .03 8.10 8.00 Collection (Start) Date
Sample 1: 04/16/18 Sample 2: 04/18/18
Treatment 2 8.00 8.01 8.04 8 .01 8 .07 7.95 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 23 .8 hrs L A A
✓ d r d r d U M M
t t t Sample 2 X 24 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness(mg/l) 45
Control 7.78 7.63 8.00 7.89 8.03 7.58
Spec. Cond. (pmhos) 190 233 257
Treatment 2 7.89 7.73 7.83 7.81 7.91 7.57
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt (°C) 1.7 1.1
(Mortality expressed as %, combining replicates) I
Note: Please
% % % % % % % % % % Concentration Complete This
Section Also
% % % % % % % % % % Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit
-- % Spearman Karber Other High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

' Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 07/26/18
Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laboratory
Performing Test: MERITECH LABS, INC.
X ?,r 4'.. ..�, -- Comments:
Signature of Operator in/Responsible Charge
X 1---. _'-r - -'
^7
Signature of Laboratory Supervisor * PASSED: 0.89% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
North Carolina Ceriodaphnia Raleigh, North Carolina 27699-1621
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t = 0.212
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = 0.898
1
# Young Produced 19 19 14 20 22 16 19 20 21 17 19 18 % Mortality Avg.Reprod.
0.00 18.67
Adult (L)ive (D)ead L L L L L L L L L L L L Control Control
0.00 18.50
Effluent %: 1.6% Treatment 2 Treatment 2
TREATMENT°2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
11.722% PASS FAIL
# Young Produced 19 16 18 18 18 18 18 20 21 21 19 16 % control orgs X
producing 3rd
brood Check One
Adult (L)ive (D)ead L L L L L L L L L L L L 100%
1st sample 1st sample 2nd sample Complete This For Either Test
PH Test Start Date: 07/18/18
Control 8.07 8.08 8.17 8.08 8 .09 8.12 Collection (Start) Date
Treatment 2 8.01 8.01 8.13 8.10 8.13 8 .11 Sample : 07/16/18 Sample 2: 07/18/18
Ple Type/Duration 2nd
s s 1st P/F
t e s Grab Comp. Duration D
t e t e I S S a n a n a n Sample 1 X 24.1 hr's L A A
r d r d r d U M M
t t t Sample 2 X 24.1 hrs T p p
1st sample 1st sample 2nd sample
D.O.
Control 7.69 7.52 7.65 7.24 7.75 7.15 Hardness (mg/1) 48
Treatment 2 7.71 7.42 7.51 7.18 7.65 7.13 Spec. Cond. (pmhos) 178 275 296
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt (°C) 1.7 1.7
(Mortality expressed as %, combining replicates) I
% Note: Please
% % % % % % % % % Concentration Complete This
% % Section Also
1 % % % % % % Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit
% -- % Spearman Karber = Other - High
Conc.
PH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) : I
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4 .41)

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 10/18/18
Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laboratory Performing Test: MERITECH LABS, INC.
M Comments:
X )iti-<T�fir
Signature of Operator ," Responsible Charge
Signature of Laboratory Supervisor * PASSED: -13 .68% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t = -2.219
Tabular t = 2.508
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = -13 .68
% Mortality Avg.Reprod.
# Young Produced 15 23 23 23 20 18 16 17 17 24 17 21
0.00 19.50
Control Control
Adult (L) ive (D)ead L L L L L L L L L L L L
8.33 22.17
Treatment 2 Treatment 2
Effluent %: 1.6%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
16.436% PASS FAIL
# Young Produced 25 24 23 19 23 26 21 23 22 16 22 22 % control orgs X
- producing 3rd
brood Check One
Adult (L) ive (D) ead L L LLLDLLLLLL 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 10/10/18
Control 8.02 8.11 8 .01 8.02 7.90 7.93 Collection (Start) Date
Sample 1: 10/08/18 Sample 2: 10/10/18
Treatment 2 7.90 8.07 7 .94 7.98 7.95 7.90 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24.0 hrs L A A
✓ d r d r d U M M
t t t Sample 2 X 24.1 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness (mg/1) 46
Control 7.79 7.68 7.65 7.50 7.44 7.36
Spec. Cond. (pmhos) 160 249 199
Treatment 2 7.68 7.66 7.57 7.54 7.68 7.36
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt (°C) 2.0 1.3
(Mortality expressed as %, combining replicates) i I
Note: Please
% % % % a % o % % % Concentration Complete This
Section Also
% % % % % % % % % % Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average _ Probit
% -- % Spearman Karber Other High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

EffluVnt-T'oxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 02/06/19
Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laboratory Performing Test: MERITECH LABS, INC.
S' Comments:
X t= 7 ------.4,-
Signature of Operat67 in Responsible Charge
X /%`/ KC,-Signa€ure of L oratory Supervisor * PASSED: 5.31% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t = 1.040
Tabular t = 2 .508
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = 5.31
% Mortality Avg.Reprod.
# Young Produced 25 29 31 22 25 27 28 30 28 28 23 24
0.00 26.67
Control Control
Adult (L) ive (D)ead L L L L L L L L L L L L
0.00 25.25
Treatment 2 Treatment 2
Effluent %:
: 1.6%
TREATMENT ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
10.647% PASS FAIL
# Young Produced 28 28 22 16 29 23 25 23 29 27 27 26 % control orgs X
producing 3rd
brood Check One
Adult (L) ive (D)ead L L L L L L L L L L L L 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 01/30/19
Control 8 .14 8.21 8.20 8.24 8.01 8.06 Collection (Start) Date
Sample 1: 01/28/19 Sample 2: 01/30/19
Treatment 2 7.99 8.15 7.03 7.77 8.04 8.05 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24 hrs L A A
r d r d r d U M M
t t t Sample 2 X 24 .1 hrs T P P
1st sample 1st sample 2nd sample
D.O. Hardness (mg/1) 44
Control 7.43 7.65 7.76 7.65 7.56 7 .58
Spec. Cond. (pmhos) 189 289 258
Treatment 2 7.72 7.64 8.30 7.42 7.59 7.53
Chlorine(mg/1) <0.1 <0 .1
LC50/Acute Toxicity Test Sample temp. at receipt(°C) 1.6 1.7
(Mortality expressed as %, combining replicates) I
Note: Please
% % - Concentration Complete This
Section Also
% Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit
% -- % Spearman Karber _ Other - High
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

Effluent Tc+. ity Report Form - Chronic Pass/Fail and Acute LC50 Date: 04/10/19
Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laborat ry Performing Test: MERITECH LABS, INC.
X �_ Comments
Signature o Opaeratorvi Responsible Charge
.---j<- % A d�
X '---�icc)
Signature of Laboratory -Supervisor * PASSED: -2.35% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t = -0.456
Tabular t = 2.508
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = -2.35
% Mortality Avg.Reprod.
# Young Produced 21 15 19 21 22 21 26 25 21 22 20 22
0.00 21.25
Control Control
Adult (L) ive (D)ead L L L L L L L L L L L L
8.33 21.75
Treatment 2 Treatment 2
Effluent %:
1.5%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
13 .024% PASS FAIL
# Young Produced 20 21 23 23 22 22 27 23 23 22 18 17 % control orgs X
producing 3rd
brood Check One
Adult (L) ive (D)ead L L L L L L L L L L D L 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 04/03/19
Control 8.30 8.17 8.28 8 .09 8.15 7.98 Collection (Start) Date
Sample 1: 04/01/19 Sample 2: 04/03/19
Treatment 2 7.98 8.08 7.89 8.04 7.94 7.95 Sample Type/Duration 2nd
1st P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24.1 hrs L A A
✓ d r d r d U M M
t t t Sample 2 X 24 .1 hrs T P P
1st sample 1st sample 2nd sample
tf O. Hardness (mg/1) 46
Control 7.91 7.48 7.80 7.37 7.95 7.16
Spec. Cond. (pmhos) 161 253 275
Treatment 2 7.85 7.47 7.69 7.18 7.87 7.19
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt (°C) 0.7 0.9
(Mortality expressed as %, combining replicates)
Note: Please
% % % % e 96 o % o % Concentration Complete This
Section Also
% % % % % % % % % % Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit
% -- % Spearman Karber - Other - High !
Conc.
1
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 07/17/19
'Facility: TOWN OF NORTH WILKSBORO NPDES#: NC0020761 Pipe#: County: WILKES
Laboratory Performing Test: MERITECH LABS, INC.
X Comments:
S gnature o Operatof n,Responsible Charge
Signature of Laborat'cry_Supervisor * PASSED: -2.40% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
North Carolina Ceriodaphnia
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results
Calculated t = -0.585
Tabular t = 2.508
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = -2.40
% Mortality Avg.Reprod.
# Young Produced 20 23 21 23 19 20 21 26 19 19 22 17
0.00 20.83
Control Control
Adult (L)ive (D)ead L L L L L L L L L L L L
0.00 21.33
Treatment 2 Treatment 2
Effluent %: 1.6%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Control CV
11.548% PASS FAIL
# Young Produced 18 20 23 19 22 21 23 20 23 22 23 22 % control orgs X
producing 3rd
brood Check One
Adult (L)ive (D)ead L L L L L L L L L L L L 100%
1st sample 1st sample 2nd sample Complete This For Either Test
pH Test Start Date: 07/10/19
Control 8.01 8.00 8.04 8.05 7.91 8.15 Collection (Start) Date
Sample 1: 07/08/19 Sample 2: 07/10/19
Treatment 2 8.06 8.15 8.06 8.09 8.03 7.89 Sample Type/Duration 2nd
1st P/F I
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24.1 .hrs L A A
✓ d r d r d U M M
t t t Sample 2 X 24.1 hrs T P P
1st sample 1st sample 2nd sample D.O. Hardness(mg/1) 44
Control 7.95 7.60 7.89 7.65 7.83 7.70
Spec. Cond. (pmhos) 154 224 193
Treatment 2 7.90 7.70 7.87 7.69 7.88 7.76
Chlorine(mg/1) <0.1 <0.1
LC50/Acute Toxicity Test Sample temp. at receipt(°C) 2.7 2.8
(Mortality expressed as %, combining replicates) I
Note: Please
% % % % t % % % % % Concentration Complete This
Section Also
% % % % % % % % % % Mortality
start/end start/end
LC50 = % Method of Determination Control
95% Confidence Limits Moving Average Probit 1
% -- % Spearman Karber _ Other - High 1
Conc.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs) :
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

Effluent Toxicity Report Form-Chronic Fathead Minnow Multi-Concentration Test Date:5/6/2016
Facility: North Wilkesboro NPDES#NCOO 20761 Pipe#: 00( County: Wilkes
Labor tory: Meritech, Inc. Comments!
Signature of Operator.'n Response le'Charge
Signature of Laboratory Supe isor.
MAIL ORIGINAL TO: Water Sciences Section
Aquatic Toxicology Branch
Division of Water Resources
1621 Mail Service Center
Raleigh,NC 27699-1621
Test Initiation Date/Time 4/26/2016 3:27 PM Avg WUSurv. Control 0.416 Test Organisms
%Eff. Repl. 1 2 3 4 r Cultured In-House
Control Surviving# 9 10 10 10 %Survival 97.5 r Outside Supplier
Original# 10 10 10 10
WUoriginal(mg) 0.371 0.451 0.378 0.423 Avg Wt(mg) 0.406 Hatch Date: 4/25/16
0.375 Surviving# 10 10 10 10 %Survival 100.0 Hatch Time: 3:00 pm CT
Original# 10 10 10 10
Wt/original(mg) 0.309 0.399 0.373 0.364 Avg Wt(mg) 0.361
0.75 Surviving# 10 10 10 9 %Survival 97.5
Original# 10 10 10 10
Wt/original(mg) 0.434 0.329 0.411 0.422 Avg Wt(mg) 0.399
1.5 Surviving# 10 10 10 10 %Survival 100.0
Original# 10 10 10 10
Wt/original(mg) 0.397 0.351 0.442 0.471 Avg Wt(mg) 0.415
3 Surviving# 10 10 10 10 %Survival 100.0
Original# 10 10 10 10
WUoriginal(mg) 0.426 0.402 0.345 0.412 Avg Wt(mg) 0.396
6 Surviving# 10 10 10 9 %Survival 97.5
Original# 10 10 10 10
Wt/original(mg) 0.428 0.404 0.346 0.414 Avg Wt(mg) 0.398
Water Quality Data Day
Control 0 1 2 3 4 5 6.
pH(SU)'nit/Fin 8.25 / 8.05 8.22 / 8.13 8.12 / 7.98 8.16 / 8.00 8.11 / 7.98 8.17 / 8.05 8.12 / 7.93
DO(mg/L) Init/Fin 7.76 / 7.29 7.81 / 7.58 7.77 / 7.33 7.82 / 6.81 7.96 / 7.44 7.90 / 7.80 7.61 / 6.92'
Temp(C)IniUFin 25.8 / 25.2 24.7 / 24.9 24.6 r 25.7 24.1 / 25.1 24.1 / 25.2 24.7 / 24.8 24.1 / 25.5
High Concentration o i 2 3 4 5 6
pH(SU)'nit/Fin 8.29 / 7.96 8.14 / 8.08 8.09 / 7.94 8.08 / 7.96 8.06 / 8.03 8.18 / 8.11 8.18 i 7.93
DO(mg/L) Init/Fin 7.70 / 7.16 7.79 / 7.56 7.72 / 7.06 7.79 / 7.36 8.02 r 7.51 7.88 / 7.47 7.86 / 7.05
Temp(C)!nit/Fin 25.8 / 25.3 24.4 / 25.5 25.1 / 25.7 24.1 / 24.4 24.0 / 24.6 24.4 / 25.0 24.9 / 25.6
Sample 1 2 3 Survival Growth Overall Result
Collection Start Date 4/25/2016 4/27/2016 4/28/2016 Normal Ir 1 IR I ChV >6
Grab Horn.Var. 'PI IRI
Composite(Duration) 24.1 24.0 24.0 NOEC 6 6
Hardness(mg/L) 24 26 26 LOEC >6 >6
Alkalinity(mglL) 30 55 58 ChV >6 >6
Conductivity(umhos/cm) 291 332 344 Method Steel's Dunnett's
Chlorine(mg/L) <0.1 <0.1 <0.1
Temp.at Receipt(°C) 0.7 0.8 1.2 Stats Survival Growth
_ Conc. Critical Calculated Critical Calculated
Dilution H2O Batch# 1012 1013 1014 0.375 10 20 2.41 2.1006
Hardness(mg/L) 42 44 42 0.75 10 16 2.41 0.2353
Alkalinity(mg/L) 58 51 52 1.5 10 20 2.41 -0.3312
Conductivity(umhos/cm) 213 199 221 3 10 20 2.41 0.3
312
6 10 18 2.41 0.2702
DWQ Form AT-5(1/04)

----Effluent Toxicity Report Form-Chronic Fathead Minnow Multi-Concentration Test Date:8/4/2017
Facility: North Wilkesboro NPDES#NCO() 20761 Pipe#: QD( County: Wilkes
Labboorratory: Meritech, Inc. Comments I
Signature ofOperator in Resporisib`le Charge_
Signature of Laboratory Supervisor
MAIL ORIGINAL TO: Water Sciences Section
Aquatic Toxicology Branch
Division of Water Resources
1621 Mail Service Center
Raleigh,NC 27699-1621
Test Initiation Date/Time 7/25/2017 4:40 PM Avg Wt/Surv. Control 0.902 Test Organisms
%Eff. Repl. 1 2 3 4 1- Cultured In-House
Control Surviving# 10 9 7 8 %Survival 85.0 7 Outside Supplier
Original# 10 10 10 10
Wt/original(mg) 1.064 0.852 0.707 0.470 Avg Wt(mg) 0.773 Hatch Date: 7/24/17
0.375 Surviving# 10 10 10 9 %Survival 97.5 Hatch Time: 3:00 pm CT
Original# 10 10 10 10
Wt/original(mg) 0.769 0.799 0.863 0.862 Avg Wt(mg) 0.823
0.75 Surviving# 10 10 10 10 °%o Survival 100.0
Original# 10 10 10 10
Wt/original(mg) 0.927 1.046 0.792 0.981 Avg Wt(mg) 0.937
1.5 Surviving# 7 10 10 6 %Survival 82.5
Original# 10 _ 10 10 10
Wt/original(mg) 0.732 0.957 0.870 0.545 Avg Wt(mg) 0.776
3 Surviving# 10 9 10 7 %Survival 90.0
Original# 10 10 10 10
Wt/original(mg) 1.032 0.776 0.824 0.824 Avg Wt(mg) 0.864
6 Surviving# 10 10 9 5 %Survival 85.0
Original# 10 10 10 10
Wt/original(mg) 0.853 0.758 0.846 0.550 Avg Wt(mg) 0.752
Water Quality Data Day
Control 0 1 2 3 4 5 6
pH(SU) Init/Fin 8.13 / 7.83 8.16 / 7.75 8.08 / 7.91 8.15 / 8.00 8.23 18.00 8.26 1 8.03 8.20 / 7.73
DO(mglL) Init/Fin 7.97 / 6.88 7.92 / 6.61 8.06 / 7.39 8.04 / 7.68 7.93 / 7.15 8.15 17.03 7.82 / 6.83
Temp(C) Init/Fin 25.7 / 25.4 24.6 / 25.1 24.7 / 24.6 24.5 / 25.3 24.4 / 24.2 24.4 / 24.4 24.8 i 24.2
High Concentration o 1 2 3 4 5 6
pH(SU)Init/Fin 8.08 / 7.83 8.13 / 7.68 8.01 / 7.91 8.11 / 8.05 8.17 / 7.83 8.12 / 7.91 8.11 / 7.69
DO(mg/L) !nit/Fin 7.83 / 6.72 7.84 / 6.48 8.04 / 7.30 7.94 / 7.63 7.92 / 7.00 8.06 / 6.96 7.73 / 6.67
Temp(C) Init/Fin 25.0 / 24.5 24.1 / 24.7 25.0 / 25.3 24.4 1 24.3 24.5 124.7 24.8 / 24.4 25.3 / 24.6
Sample 1 2 3 Survival Growth Overall Result
Collection Start Date 7/24/2017 7/26/2017 7/27/2017 Normal Yes 171 ChV >6
Grab Horn.Var. rf i IP]
Composite(Duration) 24.1 24.1 24.0 NOEC 6 6
Hardness(mg/L) 26 28 30 LOEC >6 >6
Alkalinity(mg/L) 38 44 48 ChV >6 >6
Conductivity(umhos/cm) 254 286 298 Method Steel's Dunnett's
Chlorine(mglL) <0.1 <0.1 <0.1
Temp.at Receipt(CC) 1.4 2.2 0.4 Stats Survival Growth
Conc. Critical Calculated Critical Calculated
Dilution H2O Batch# 1182 1183 1184 0.375 10 23 2.41 -0.4604
Hardness(mg/L) 42 44 42 0.75 10 24 2.41 -1.5032
Alkalinity(mg/L) 53 55 52 1.5 10 17.5 2.41 -0.0253
Conductivity(umhos/cm) 206 200 198 3 10 20 2.41 -0.8356
6 10 19.5 2.41 0.1980
DWQ Form AT-5(1/04)

Effluent Toxicity Report Form-Chronic Fathead Minnow Multi-Concentration Test Date:10/18/2018
Facility: North Wilkesboro NPDES#NC00 20761 Pipe#: 60 I County: Wilkes
Labor Ty: Meritech, Inc. Comments'
Signature of Opecattoor�in espo 1p Charge -
Signature of Laboratory Supervisor
MAIL ORIGINAL TO: Water Sciences Section
Aquatic Toxicology Branch
Division of Water Resources
1621 Mail Service Center
Raleigh,NC 27699-1621
Test Initiation Date/Time 10/9/2018 3:40 PM Avg Wt/Surv.Control 0.740 Test Organisms
%Eff. Repl. 1 2 3 4 7 Cultured In-House
Control Surviving# 10 9 10 10 %Survival 97.5 P Outside Supplier
Original# 10 10 10 10
Wt/original(mg) 0.711 0.717 0.668 0.785 Avg Wt(mg) 0.720 Hatch Date: 10/8/18
0.4 Surviving# 10 10 8 10 %Survival 95.0 Hatch Time: 3:00 pm CT
Original# 10 10 10 10
Wt/original(mg) 0.798 0.729 0.564 0.769 Avg Wt(mg) 0.715
0.8 Surviving# 9 10 9 9 %Survival 92.5
Original# 10 10 10 10
Wt/original(mg) 0.576 0.652 0.572 0.628 Avg Wt(mg) 0.607
1.6 Surviving# 9 10 9 9 %Survival 92.5
Original# 10 10 10 10
Wt/original(mg) 0.661 0.726 0.647 0.796 Avg Wt(mg) 0.708
3.2 Surviving# 10 10 10 10 %Survival 100.0
Original# 10 10 10 10
Wt/original(mg) 0.754 0.790 0.740 0.751 Avg Wt(mg) 0.759
6.4 Surviving# 10 9 10 10 %Survival 97.5
Original# 10 10 10 10
Wt/original(mg) 0.773 0.512 0.762 0.857 Avg Wt(mg) 0.726
Water Quality Data Day
Control 0 1 2 3 4 5 6
pH(SU)Init/Fin 8.03 / 7.89 8.08 / 7.72 7.97 / 7.85 8.13 / 8.11 8.16 / 8.11 8.21 / 7.84 8.15 / 7.71
DO(mg/L) Init/Fin 7.69 / 7.28 7.72 / 6.50 7.60 / 7.29 7.74 / 7.64 7.82 / 7.60 8.10 / 6.80 7.48 / 6.89
Temp(C)Init/Fin 24.2 / 24.3 24.3 / 25.2 24.7 / 25.1 24.0 / 24.1 24.0 / 24.4 24.9 / 24.1 25.0 / 24.7
High Concentration o 1 2 3 4 5 6
pH(SU) 'nit/Fin 8.03 I 7.83 8.01 / 7.91 7.84 / 7.84 8.02 / 8.08 8.12 / 8.04 8.08 / 7.71 7.93 / 7.68
DO(mg/L) 'nit/Fin 7.60 / 7.34 7.74 / 6.83 7.66 / 7.18 7.74 / 7.64 7.75 / 7.55 7.85 / 6.80 7.42 / 6.75
Temp(C)'nit/Fin 24.9 / 24.5 24.5 / 25.1 25.1 / 25.4 24.6 / 24.2 24.9 / 24.2 24.3 / 25.1 25.2 / 24.1
Sample 1 2 3 Survival Growth Overall Result
Collection Start Date 10/8/2018 10/10/2018 10/11/2018 Normal rl Fl ChV >6.4
Grab Horn.Var. 1l (l
Composite(Duration) 24.0 24.1 24.1 NOEC 6.4 6.4
Hardness(mg/L) 24 34 34 LOEC >6.4 >6.4
Alkalinity(mg/L) 38 46 34 ChV >6.4 >6.4
Conductivity(umhos/cm) 249 199 195 Method Steel's Dunnett's
Chlorine(mg/L) <0.1 <0.1 <0.1
Temp.at Receipt(°C) 2.0 1.3 1.3 Stats Survival Growth
Conc. Critical Calculated Critical Calculated
Dilution H2O Batch# 1317 1318 1319 1320 0.4 10 17.5 2.41 0.0886
Hardness(mg/L) 47 42 44 44 0.8 10 14 2.41 1.9117
Alkalinity(mg/L) 53 52 51 51 1.6 10 14 2.41 0.2152
Conductivity(umhos/cm) 191 201 187 196 3.2 10 20 2.41 -0.6499
6.4 10 18 2.41 -0.0971
runic)Farm aT-c ivnar

Effluent Toxicity Report Form-Chronic Fathead Minnow Multi-Concentration Test Date:2/7/2019
Facility: North Wilkesboro NPDES#NCO() 20761 Pipe#: QO I County: Wilkes
Laboratory: Meritech, Inc. Comments'
xylf _ 1i 1
Signature of Operator in Respofle Chptg,
x i /'---i-c:-._' =• I
Signature of Laboratory Supervisor
i•IAIL ORIGINAL TO: Water Sciences Section
Aquatic Toxicology Branch
Division of Water Resources
1621 Mail Service Center
Raleigh,NC 27699-1621
Test Initiation Date/Time 1/29/2019 4:40 PM Avg Wt/Surv.Control 0.753 Test Organisms
%Eff. Repl. 1 2 3 4 7 Cultured In-House
Control Surviving# 10 10 10 10 %Survival 100.0 17 Outside Supplier
Original# 10 10 10 10
WUoriginal(mg) 0.795 0.708 0.777 0.731 Avg Wt(mg) 0.753 Hatch Date: 1/28/19
0.4 Surviving# 10 10 10 10 %Survival 100.0 Hatch Time: 3:00 pm CT
Original# 10 10 10 10
Wt/original(mg) 0.717 0.706 0.727 0.763 Avg Wt(mg) 0.728
0.8 Surviving# 10 10 10 10 %Survival 100.0
Original# 10 10 10 10
Wt/original(mg) 0.792 0.809 0.681 0.758 Avg Wt(mg) 0.760
1.6 Surviving# 10 10 10 10 %Survival 100.0
Original# 10 10 10 10
Wt/original(mg) 0.757 0.723 0.750 0.582 Avg Wt(mg) 0.703
3.2 Surviving# 10 10 9 10 %Survival 97.5
Original# 10 10 10 10
WUoriginal(mg) 0.669 0.644 0.720 0.709 Avg Wt(mg) 0.686
6.4 Surviving# 10 10 10 10 %Survival 100.0
Original# 10 10 10 10
WUoriginal(mg) 0.711 0.816 0.761 0.819 Avg Wt(mg) 0.777
Water Quality Data Day
Control 0 1 2 3 4 5 6
pH(SU)Init/Fin 8.20 / 7.93 8.50 / 8.10 8.09 / 7.84 8.14 / 8.05 8.20 / 8.19 8.17 / 7.80 8.17 / 8.00
DO(mg/L) 'nit/Fin 7.72 / 7.09 7.57 / 7.47 7.12 / 6.79 7.49 / 7.52 7.89 / 7.83 7.91 / 6.45 7.72 / 7.36
Temp(C)IniUFin 24.4 / 25.3 25.0 / 24.4 24.6 / 24.7 24.8 / 24.5 24.3 / 24.1 24.2 / 25.2 24.0 / 24.6
High Concentration 0 i 2 3 4 5 6
pH(SU)'nit/Fin 8.09 / 7.85 8.01 / 7.86 8.07 / 7.90 8.10 / 8.16 8.24 / 8.16 8.19 / 7.78 7.91 / 8.07
DO(mg/L) 'nit/Fin 7.76 / 7.16 7.51 / 7.33 7.18 / 7.01 7.45 / 7.70 7.79 / 7.71 7.92 / 6.83 7.62 / 7.62
Temp(C)!nit/Fin 24.7 / 25.7 25.3 / 24.1 24.2 / 24.3 24.5 / 24.4 24.9 / 24.5 24.5 / 24.9 24.6 / 24.6
Sample 1 2 3 Survival Growth Overall Result
Collection Start Date 1/28/2019 1/30/2019 1/31/2019 Normal fl h'l ChV >6.4
Grab Horn.Var. rl Fl
Composite(Duration) 24.0 24.1 23.8 NOEC 6.4 6.4
Hardness(mg/L) 32 30 30 LOEC >6.4 >6.4
Alkalinity(mg/L) 23 22 20 ChV >6.4 >6.4
Conductivity(umhos/cm) 289 258 250 Method Steel's Dunnett's
Chlorine(mg/L) <0.1 <0.1 <0.1
Temp. at Receipt(CC) 1.6 1.7 0.7 Stats Survival Growth
Conc. Critical Calculated Critical Calculated
Dilution H2O Batch# 1356 1357 1358 1359 1360 0.4 10 18 2.41 0.6699
Hardness(mg/L) 44 44 44 44 42 0.8 10 18 2.41 -0.1982
Alkalinity(mg/L) 59 57 53 i 55 54 1.6 10 18 2.41 1.3603
Conductivity(umhos/cm) 220 200 204 220 201 3.2 10 16 2.41 1.8389
6.4 10 18 2.41 -0.6562
DWQ Form AT-5(1/04)