NC0020761_Pretreatment_Annual_Report_20240227

February 27, 2024
Subject: Pretreatment Annual Report (January — December 2023)
Pretreatment Staff,
The purpose of this letter is to report to you the conditions of our pretreatment program
for the January - December 2023 monitoring period.
SIU's (Significant Industrial User's)
'rhe town currently has two SIU Gardner Glass Products (Permit # 0001) and Johnston Casuals (Permit
# 0002). Gardner Glass Products tested a total of 53 times with no violations and Johnston Casuals was
tested 2 times with no violations. Neither SIU is in SNC for this reporting period.
There have been no changes in either SIU treatment process. Johnston Casuals permit went into effect
on October 1, 2020 and will expire September 30, 2025. Gardner Glass Products permit went into effect on
October 1, 2022 and will expire on September 30, 2027.
If you should have any questions about this PAR please feel free to contact me at [phone].
Wastewater2(�northwi l kesboronc. gov
Justin S 1
retreatment Coordinator

Town ofNorth Wilkesboro
PRETREATMENT ANNUAL REPORT
POTW Name: Gardner Glass Products (SIU's Permit # 0001)
POWT Name: Johnston Casuals (SIU's Permit # 0002)
Report Date: February 27 2024
Period Covered by This Report: from January through December 2023
Name of Wastewater Treatment Plant NPDES Permit #
Thurman Street Wastewater Treatment Plant NCO020761
Person to contact concerning information contained in this report:
Name: Justin Shell
Title: Pretreatment Coordinator
Mailing Address: P.O. Box 218
North Wilkesboro, NC 28659
Telephone #: [phone]
Email Address: [e-mail]

Pretreatment Program Info Database printed on: 12/22/2023
for Program Name North Wilkesboro
WWTP Name Town of North Wilkesboro
Program Approval Date 07/01/1985
Pretreatment Status Modified
Region WSRO
County Wilkes
NPDE N
S umber N00020761
Last PAR Rec 02115/2022
PAR Due Date03/01/2023
mercury
NPDES Effective Date 07/01/2021
1631
NPDES Expire Date 06/3012026
Current Fiscal
06/1�2
required
Year PCI Done
as�26
POTW is Primary WWTP TRUE
Last Audit on
Audit Year Next
Design Flow mgd 2.0000 % Design mgd is SIU permitted 4.23 Permitted SIU flow (mgd) [Pt SIU) •0845
WWTP SIU's
Program SIUs
WWTP CIU's
Program CiUs
HWA LTMP
1WS SUO
ERP
date Inactive Date Next Due
12/27/2026 07/01/2021
Date Received by DWR
10/01/2021 01/16/2015
09/14/2022 04/11/2012
02/12/2020
Date Approved
/0 .07. Zoll 04/06/2015
0 9 - 10 •�Q3 04/30/2012
02/14/2020
Adopt Date Required
Date Adopted
03/06/2012
Info in this Box from Pt Contacts
PT Pro
Formal Name g.Prime Phonel
Mr. Wilson 1 leep-m-
Ot M%n+an
Mr. Scotty Perry
Mr. Justin Shell 1Prirr
j(336) 667-7129
336)838-5001
336) 838-5001
. ^ 14-0 I I - !!j0,Sj; wa
atment Related NOVs from DWQ
ext Fax
I k336) 838-1779
Town Manager
401 k336) 838-1779
ORC
Coordinator
Date Date
Attended Attended
Wksp IUP Wksp
Date
Attended
PAR Wksp
IHWA
II
tt
-
PO Box 218
1
1 1 /24/2008
PO Box 218
1 /24/2008
PO Box 218
6oronc . so v
h- S tiara no ,S ov
DWR Central Office Contact Pretreatment Staff
DWR Regional Contact 04 e'er
Ron / oon l;
No SNC

Chapter 9, PAR Guidance
Pretreatment Performance Summary (PPS)
1.
Pretreatment Town Name: Town of North Wilkesboro
2.
"Primary" N PD ES Number N C00 20761
or Non -Discharge Permit # if applicable=>
3.
PAR Begin Date, pl ease enter 01 /01 /yyyy
3. =>
1 /1 /2023
4.
PAR End Date, please enter 12/31 /yyyy
4. =>
12/31 /2023
5.
Total number of SI Us, i ncl udes Cl Us
5. =>
2
6.
Number of Cl Us
6. =>
2
7.
Number of SlUswith no lUP, or with an expired lUP
7.=>
0
8.
Number of SI Us not inspected by POTW
8. =>
0
9.
Number of SI Us not sampled by POTW
9. =>
0
10.
Number of SI Us in SNC dueto I UP Limit violations
10. =>
0
11.
N umber of SI U s i n SN C due to Reporti ng A of ati ons
11. =>
0
12.
Number of SI Us in SNC dueto violation of a Compliance Schedule, CO, AO or similar
12. =>
0
13.
Number of Cl Us in SNC
13. =>
0
14.
Number of SI Us included in Public Notice
14. =>
0
15
Total number of SI Us on a compliance schedule, CO, AO or si mi I ar
15. =>
0
16.
Number of NOVs, NNCsor similar assesed to SIUs
16. =>
0
17.
Number of Civil Penalties assessed to SI Us
17. =>
0
18.
Number of Criminal Penalties assessed to SI Us
18. =>
0
19.
Total Amount of Civil Penalties Collected 19. =>
$
0
20.
Number of IUsfromwhich penal ti es col I ected
20. =>
0
VoteS:
AO Administrative Order IUP Industrial User Pretreatment Permit POTW
CIU Categorical Industrial User NNC Noticeof Non -Compliance SIU
Publicly Owned Treatment Works
Significant Industrial User
CO Consent Order NOV Noticeof Violation SNC
Significant
Non -Compliance
IU Industrial User PAR Pretreatment Annual Report
revised 1/2018: PAR PPS 2018

Pretreatment Annual Report (PAR)
Significant Non -Compliance Report (SNCR)
WWTP = Wastewater Treatment Plant, use separate form for each WWTP.
SIU = Significant Industrial User
SNC = Significant Non -Compliance
PAR covers this calendar year =>
Control Authority=Program=Town Name =>
WWTP Name =>
N PD ES # _>
A SNCR Form must be submitted with every PAR, please write"None" if you had No SIUs in SNC during calendar year
1 UP
#
Pipe
#
I ndustry Name
Parameter
or "Reporting"
SNC ? ( Yes/ No)
for each 6-month period.
Jan. - June
July - Dec.
1
Gardner Glass
NA
NO
NO
2
Johnston Casuals
NA
NO
NO
Attach a copy of the Division's "SIUs in SNC H i stori cal Report" for your POTW's SIUs behind this page.
Is the database correct? Notify the Division of any errors! Database indicates SNC history for previous years.
EVERY SNC MUST be explained in the Narrative, How was, is, or will it be resolved?
REPEAT SNCs are serious matters that MUST be explained in the Narrative.
Form name. PAR,SNCR,2001
Date Revised: 1 /4/2001

2023
North W i I kesboro
Thurman Street
N CO020761
Form name: PAR,SNCR,2001
Date Revised: 1/4/2001

Pretreatment Annual Report (PAR)
Industrial Data Summary Form (IDSF)
Use separate forms for each industry/pipe
Enter BDL values as < (value)
Total # of samples =>
Maximum (mg/1) _>
or M axi mum (1 b/d) _>
or Average(mg/1) _>
or Average Loading (I b/d) _>
% viol ations,(chronic SNC is>= 66%) _>
% TRC violations, (SNC is>= 33 %) _>
Total # of samples =>
Maximum (mg/1) _>
or M axi mum (1 b/d) _>
or Average(mg/1) _>
or Average Loading (I b/d) _>
% violations, (chronic SNC is>= 66%) _>
% TRC violations, (SNC is>= 33 %) _>
Total # of samples =>
Maximum (mg/1) _>
or Maximum (lb/d) _>
or Average (mg/1) _>
or Average Loading (I b/d) _>
% violations, (chronic SNC is>= 66%) _>
%TRC violations, (SNC is>= 33 %) _>
Control Authority,
Town Name =>
WWTP Name =>
N PD ES # _>
1st 6 months, dates =>
2nd 6 months, dates =>
Town of North Wilkesboro
Thurman Street
N C0020761
6/14/2023
12/20/2023
I industry
Name Gardner Glass Products
IUP# 1
Pipe #
•
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ram[. i"f'iL•Tiiii�7
• WI[.^l'if.7iM
• WI[.^l'if.7iM
• WI[.^l'if.7iM
• f�lfi[.^l'if.7ifii�l
�
1 11
1 11
• • • a
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C
«
•
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•
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� •
f�lfi[."l'if.7ifii�l
1-
BDL => Below Detection Limit mg/I => milligrams per liter
POTW must enter at least one of these IUP=> Industrial User Permit Ib/d => pounds per day
fourrows, Rease indicate how averages were calculated SNC => Significant Non -Compliance mgd => million gallons per day
Avg period could be month, Qtr, or 6-month & if BDL , 1/2BDL, or zero values used. TRC => Technical Review Criteria WWTP=> wastewater treatment plant
Chapter: PAR Guidance File name: PPlEbiii�islde�i'�uJa�teli$tc1iIB, pages 12, 13, 14 Blank IDSF Form, Copy and use in your PAR Number each set for each IUP pipe- Page of

Pretreatment Annual Report (PAR)
Industrial Data Summary Form (IDSF)
Use separate forms for each industry/pipe
Enter BDL values as < (value)
Total # of samples =>
Maximum (mg/1) =>
or Maximum (I b/d) =>
or Average(mg/1) =>
or Average Loading (I b/d) =>
% violations, (chronic SNC is>= 66%) =>
%TRC violations, (SNC is>= 33 %) =>
Total # of samples =>
Maximum (mg/1) =>
or Maximum (lb/d) =>
or Average(mg/1) =>
or Average Loading (I b/d) =>
% violations, (chronic SNC is>= 66%) =>
% TRC violations, (SNC is>= 33 %) =>
Total # of samples =>
Maximum (mg/1) =>
or Maximum (lb/d) =>
or Average(mg/1) =>
or Average Loading (I b/d) =>
% violations, (chronic SNC is>= 66%) =>
% TRC violations, (SNC is>= 33 %) =>
Industry Name Johnston Casuals
IUP# 2
Pi pe #
•
I�Y.TifiiT[1Tii •
• • •
•
f�lfi[�
� •
f�lfi[� •
f�lfi[�
� •
• . •
111.. ••
111.. ••
111
111 111
111
11
11
lCyanicle 1PH
WMrtr�
WMrtr�
WMrtr�
WMrt M
BDL => Below Detection Limit mg/I => milligrams per liter
POTW must enter at least one of these IUP=> Industrial User Permit Ib/d => pounds per day
four rows, R ease indicate how averages were calculated SNC => Significant Non -Compliance mgd => mi I I i on gal I ons per day
Avg period could be month, Qtr, or 6-month & if BDL , 1/2BDL, or zero values used. TRC => Technical Review Criteria WWTP=> wastewater treatment
Chapter: PAR Guidance File name: PPlEbiii�isldJ�ia�teli$tc1iIB, pages 12, 13, 14 Blank IDSF Form, Copy and use in your PAR Number each set for each IUP pipe- Page of

Pretreatment Annual Report (PAR)
Industrial Data Summary Form (IDSF)
Use separate forms for each industry/pipe
Total # of samples =>
Maximum (mg/1) =>
or Maximum (I b/d) =>
or Average(mg/1) =>
or Average Loading (I b/d) =>
% violations, (chronic SNC is>= 66%) =>
% TRC violations, (SNC is>= 33 %) =>
Total # of samples =>
Maximum =>
or Minimum =>
% violations, (chronic SNC is>= 66%) =>
% TRC violations, (SNC is>= 33 %) =>
Total # of samples =>
Maximum (mg/1) =>
or Maximum (lb/d) =>
or Average(mg/1) =>
or Average Loading (I b/d) =>
% violations, (chronic SNC is>= 66%) =>
% TRC violations, (SNC is >= 33 %) =>
Industry Name Gardner Glass Products
IUP# 1
Pipe #
•
ram[. i"f'iL•Tiiiil;7
� . •
ram[. i"f'iL•Tiiiil;7
. •
ram[. i"f'iL•Tiiiil;7
. •
ram[. i"f'iL•Tiiiil;7
•
f�lf:[.^l'if.7ifii1;1
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f�lf:[.^l'if.7ifii1;1
� . •
f�lf:[.^l'if.7ifii1;1
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• W[."l'if.7ifii1;1 • W[."l'if.7ifii1;1 • W[."l'if.7ifii1;1 • W[."l'if.7ifii1;1
BDL => Below Detection Limit mg/I => milligrams per liter
POTW must enter at least one of these IUP=> Industrial User Permit Ib/d => pounds per day
fourrows, Rease indicate how averages were calculated SNC => Significant Non -Compliance mgd => million gallons per day
Avg period could be month, Qtr, or 6-month & if BDL , 1/2BDL, or zero values used. TRC => Technical Review Criteria WWTP=> wastewater treatment plant
Chapter: PAR Guidance File name: PPlEbiii�islde�i'�uJa�teli$tc1iIB, pages 12, 13, 14 Blank IDSF Form, Copy and use in your PAR Number each set for each IUP pipe- Page of

Pretreatment Annual Report (PAR)
Industry Name
Industrial Data Summary Form (IDSF) IUP #
Use separate forms for each industry/pipe Pipe #
Enter BDL values as < (value)
Total # of samples =>
Maximum (mg/1) =>
or M axi mum (I b/d) =>
or Average (mg/1) =>
or Average Loadi ng (I b/d) =>
% violations, (chronic SNC is>= 66%) =>
% TRC violations, (SNC is>= 33 %) =>
Total # of samples =>
Maximum (mg/1) =>
or M axi mum (I b/d) =>
or Average (mg/1) =>
or Average Loadi ng (I b/d) =>
% violations, (chronic SNC is>= 66%) =>
% TRC violations, (SNC is>= 33 %) =>
Total # of samples =>
Maximum (mg/1) =>
or M axi mum (I b/d) =>
or Average (mg/1) =>
or Average Loadi ng (I b/d) =>
% violations, (chronic SNC is>= 66%) =>
% TRC violations, (SNC is>= 33 %) =>
WOEMM
err:[_ IMEMM
err:[_ IMEMM
err:[_ IMEMM
WOUMM
•
•
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•
E�[.YiT.7iiii�
.
l%l•T:[.YiT.7iiii�
.
l%l•T:[.YiT.TiSii�WOUMMl%l•T:[.YiT.7iiii�
BDL => Below Detection Limit mg/I => milligrams per liter
POTW must enter at least one of these IUP=> Industrial User Permit Ib/d => pounds per day
fourrows, Please indicate how averages were calculated SNC => Significant Non -Compliance mgd => million gallons per day
Avg period could be month, Qtr, or 6-month & if BDL , 1/2BDL, or zero values used. TRC => Technical Review Criteria WWTP=> wastewater treatment plant
Chapter: PAR Guidance File name: pages 12, 13,14 Blank IDSF Form, Copy and use in your PAR Number each set for each IUP pipe- Page of

of 12
Workbook Name: Allocation Table 2024• Worksheet Name: HWA Page 19
Printed 2/27/2M
� 024, 2:4PM
A I B
C
D
E I F G H I
J K
1
2
3
HeadworksAnalysis Spreadsheet Spreadsheet Instructions:
POTW Name: NWWTP 1) Applicable Values should be entered in the Heavy Bordered Blue cells. The rest of worksheet is
Date: 10/2/2018 protected, password is "2".
POTW NPDES # => NCO020761 2) Additional pollutants can be added in cells A34 to A42. Note all Pollutant names are linked from
POTW Sludge Permit # => WQ0002040 here to other pages in HWA worksheet and also to AT worksheet (i.e., automatically entered into
other pages in HWA worksheet and also AT worksheet from HWA worksheet).
POTW NPDES Permitted Flow(MGD)= 2.0 -used in AT only 3) Formulas are discussed in the Comprehensive Guidance HWA Chapter.
POTW Average Row(MGD)= 1.048 <=used in HWA calwlaticns 4) HWA, AT and HASL worksheets are linked. MAHLs, Basis, and Uncontrollable load are
Uncontrollable Flow(MGD)= 0.999 automatically entered into AT from this worksheet.
7Q10 Stream Row(MGD)= 126.6 5) If red tab notes are not visible, they can be turned on in the "Tools" menu under "options", in the
Stream Classification = C "view" tab click the "comment indicator only" button.
Class of Siudgegenerated (A, or B) B
Sludge to Digestor Row(MGD)= Through calc.for different POTW use Design
Sludge to DisposalFlow(MGD)= 0.022 flows Criteria
%Solids to Disposal= 0.41 Desi n Values Average Flow Permitted Flow Loading
Sludge SiteArea(acres)= 106.4 WWTF Influent BOD (mg/1) 5 773.2 405.2 x
9udgeSiteLife(yrs)= 50 WWTF InfluentTSS(mg/I) 5 1298.7 680.5 x
Age of SludgeSite(yrs)= 5 WWTF Influent NH3 (mg/I) 40 238.7 125.1
WWTF Influent Total N(mg/I)
Pass -Through Loading Calculations WWTF I nfl uent Total P(mg/I)
4
5
7
8
9
10
11
13
14
15
16
17
18
19
201
21
23
Pdlut8M
NPDESLIMIT
(mgtl)
Plant Removal
Rate(%)
Removal rate
Source
NPDESLoading
(lbs/day)
Stream
Standard
(mgM
Stream
Standard Source
Standard
Loading
(lbs/day)
Design Criteria
Loading(lbsrday)
PasThru
Loading
(lbsfday)
Minimum
Pass-Thru
Bass
24
BOD
30
96.12
site spacific
6,758
2,752
2,752
Design
25
TSS
30
97.69
site specific
11,351
2,502
2,502
Design
26
Ammonia
9
96.23
site specific
2,087
667
2,087
NPDES
27
Arsenic
45
literature
0.05
96.7804
96.7804
Stream Std
28
Cadmium
67
literature
0.002
6.4520
6.4520
Stream Std
29
Chromium
82
literature
0.05
295.7179
295.7179
Stream Std
30
Copper
94.34
sitespecific
Action Level
31
Cyanide
69
literature
0.005
17.1707
17.1707
Stream Std
32
Lead
61
literature
0.025
68.2426
68.2426
Stream Std
33
Mercury
97.57
site spedfic
0.000012
0.52572
0.52572
Stream Std
34
Molybdenum
33
literature
35
Nickel
42
literature
0.088
161.5231
161.5231
Stream Std
36
Selenium
50
literature
0.005
10.6458
10.6458
Stream Std
37
Silver
75
literature
Action Level
38
Zinc
91.86
literature
Action Level
39
Total Nitrogen
40
Total Phos.
41
c
42
d
43
e
44
f
45
g
4AIr
47
11
Modeled after: Chapter 5-HWA Guidance, Appendix 5-A
Revision Date: February 2008

Workbook Name: Allocation Table 2024• Worksheet Name: HWA Page
� Printed 2/27/2024, 2:49 49 PM
A B C D E F G H I J K
49
NH3 (mg/1)�
AverageInfluenterobic Digester
Average Anaerobic Digester NH3 (mg/I)
Inhibition Loading Calculations only enter when have ANAEROBIC digester
50
51
52
Pollutant
Primary
Removal Rate
N
Primary
Removal Rate
Source
A.S./Ni[,/I.F-.
Inhibition
Concentration
(mgM
A.S./Nit,/I.f•.
Inhibition
Concentration
Source
1,
Inhibition
Loading
(lbsfday)
Ulgestor
Inhibition
Concentration
(mgA)
DigWor
Inhibition
Cona Source
Digestor Inhibition
Loading (lbs/day)
—mmimum
Inhibition
Loading
(lbs/day)
minimum
Inhibition
Loading
Source
53
BOD
54
TSS
55
Ammonia
480
IT
it- EPA
4195.3536
4195.35
AS✓Nit/TF i
56
Arsenic
0.1
Lit -AS -EPA
0.8740
0.8740
AS✓Nit/TF i
57
Cadmium
1
Lit -AS -EPA
8.7403
8.7403
AS✓Nit/TF i
58
Chromium
0.394
Ltt- T-
3.4437
3.4437AS✓Nit/TFi
59
Copper
0.48
Lit-Nit-NC2006
4.1954
4.1954
AS✓Nit/TF i
60
Cyanide
0.1
Lit -AS -EPA
0.8740
0.8740
AS✓Nit/TF i
61
Lead
0.5
Lit -AS -EPA
4.3702
4.3702
AS✓Nit/TF i
62
Mercury
0.1
Lit -AS -EPA
0.8740
0.8740
AS✓Nit/TF i
63
Molybdenum
64
Nickel
0.25
Lit -AS -EPA
2.1851
2.1851
AS✓Nit/TF i
65
Selenium
66
Silver
0.25
Lit -AS -EPA
2.1851
2.1851
AS✓Nit/TFi
67
Zinc
1
Lit-Nit-NC2006
8.7403
8.7403
AS✓Nit/TF i
68
Total Nitrogen
69
Total Phos.
70
c
71
d
72
e
73
f
74
g
75
h
76
I
Modeled after: Chapter 5-HWA Guidance, Appendix 5-A
Revision Date: February 2008

Workbook Name: Allocation Table 2024• Worksheet Name: HWA Page 3 of 12
� Printed 2/27/2024, 2:49 PM
A B C D E F G H I J K
77
78
Sludge Loading Calculations
79
Pollutant
Sludge Ceiling
Concentration Limit
(mgrkg)
SludgeCeling
Load
(lbs/day)
u ge eimg
Load
- HASLCaIc.-
(Ibs/day)
Cumulative Sludge
Rate Limit
(Ibs/(acrelife))
Cumulative
Sludge Loading
(lbs/day)
ClassA Limits
Monthly
Average Rate
Limit(mgtkg)
Class imits
Monthly Avg.
Loading
(Ibs/day)
ass emits
Mon. Avg. Load. -
HASLCaIc.-
(Ibs/day)
immum
Sludge
Loading
(Ibs/day)
Minimum
Sludge
Loading
Sorce
80
BOD
81
TSS
82
Ammonia
83
Arsenic
75
0.1254
36
0.4661
41
1
0.1254
Sludge Cei Ii
84
Cadmium
85
0.0954
34
0.2957
39
0.0954
SI udge Cei I i
85
Chromium
86
Copper
4300
3.4288
1338
8.2635
1500
3.4288
SI udge Cei I i
87
Cyanide
88
Lead
840
1.0359
267
2.5503
300
1.0359
SI udge Cei I i
89
M ercury
57
0.0439
15
0.0896
17
0.0439
SI udge Cei I i
90
Molybdenum
751
0.1710
0.1710
Sludge Cei li
91
Nickel
420
0.7523
374
5.1883
420
0.7523
SI udge Cei I i
92
Selenium
100
0.1505
89
1.0371
100
0.1505
SI udge Cei I i
93
Silver
94
Zinc
7500
6.1420
2498
15.8442
2800
6.1420
SI udge Cei I i
95
Total Nitrogen
96
Total Phos.
97
c
98
d
99
e
100
f
101
g
102
h
103
1
104
Modeled after: Chapter 5-HWA Guidance, Appendix 5-A
Revision Date: February 2008

Workbook Name: Allocation Table 2024• Worksheet Name: HWA Printed 2/27/2024, 2:49PPM Page4
� M
A I B I C I D E F G H I J K
105
M aximum Allowable
Headworks Loading
Calculations
106
MinimumPass
Through Loading
(lbs/day)
PawThrough
Source
Minimum
Inhibition Loading
(Ibsiday)
Minimum
Inhibition Loading
Source
Minimum
Sludge Loading
(lbsfday)
Minimum
Sludge Loading
Sorce
Allowable
Headworks
Loading (lbsfday)
Maximum Allowable
Headworks Loading
Source
107
BOD
2752.2
Design
2752.2
Desi n
108
TSS
2502.0
Des n
2502.0
Design
109
Ammonia
2086.5
NPDES
4195.3536
AS/Nit/TF inhibiti
2086.5
NPDES
110
Arsenic
96.7804
StreamStd
0.8740
AStNit/TF inhibiti
0.1254
Slud eCeling
0.1254
SudgeCeiling
111
Cadmium
6.45201
StreamStd
8.7403
AStNit/TF inhibiti
0.0954
Slud eCeling
0.0954
SludgeCeiling
112
Chromium
295.7179
Stream Std
3.4437
AStNit/TF inhibiti
3.4437
AS'Nit/TF inhibition
113
Copper
4.1954
AStNit/TF inhibiti
3.4288
SudgeCeiling
3.4288
9ud eCeiIin
114
Cyanide
17.1707
Stream Std
0.8740
A&Nit/TF inhibiti
0.8740
AS'Nit/TF inhibition
115
Lead
68.2426
StreamStd
4.3702
A&Nit/TFinhibiti
1.0359
SudgeCeiling
1.0359
SudgeCeiling
116
Mercury
0.52572
StreamStd
0.8740
A&Nit/TFinhibiti
0.0439
SudgeCeiling
0.04395
SudgeCeiling
117
Molybdenum
0.1710
Slud eCelin
0.1710
SudaeCeilinci
118
Nickel
161.5231
StreamStd
2.1851
AS/Nit/TFinhibiti
0.7523
SudgeCeiling
0.7523
SudgeCeiling
119
Selenium
10.64581
StreamStd
0.1505
SudoeCeilina
0.1505
SudgeCeiling
120
Silver
2.1851
ASINWTFinhibiti
2.1851
AS'Nit/TFinhibition
121
Zinc
8.7403
ASINit/TFinhibiti
6.1420
Slud eCeling
6.1420
9ud eCeli ng
122
Total Nitrocien
123
Total Phos.
124
c
125
d
126
e
127f
128
129
h
130
I
131
Modeled after: Chapter 5-HWA Guidance, Appendix 5-A
Revision Date: February 2008

Workbook Name: Allocation Table 2024• Worksheet Name: HWA Page 5 of 12
� Printed 2/27/2024, 2:49 PM
A B C D E F G H I J K
132
133
MaximumAllowable
Industrial Loadin
Calculations
Design vs. Pass
Thru Warning
134
Pollutant
Allowable
HeadworksLoading
(lbs(day)
MAHL Bass
Check to Use
HASL Calcs
(x)
Uncontrollable
Concentration
(m911)
Uncontrollable
Source
Uncontrollable
Load (lbslday)
Ivi
Allowable
Industrial Load
(lbs(day)
135
BOD
2752.2000
Design
117
mass balance
974.8042
1777.3958
136
TSS
2502.0000
Design
134.4
mass balance
1119.7751
1382.2249
137
Ammonia
260.1120
NPDES
12.3
mass balance
102.4794
157.6326
138
Arsenic
0.0753
Sl udge Cei I i ng
5
mass balance
0.0433
0.0320
139
Cadmium
0.0954
Sludge Ceiling
mass balance
0.0083
0.0871
140
Chromium
3.4437
AS/Nit/TFinhibiti
. 5
mass balance
0.0433
3.4004
141
Copper
3.4288
SI udge Cei I i ng
0.0545
mass balance
0.4541
2.9747
142
Cyanide
0.8740
AS/Nit/TFinhibiti
0.00 5
mass balance
0.0208
0.8532
143
Lead
1.0359
Sl udge Cei I i ng
0.0049
mass balance
0.0408
0.9951
144
Mercury
0.04395
Sl udge Cei I i ng
0.0003
mass balance
0.00250
0.04145
145
Molybdenum
0.1027
AS/Nit/TFinhibition
0.0026
mass balance
0.0217
0.0810
146
Nickel
0.7523
Sl udge Cei I i ng
0.005
mass balance
0.0417
0.7106
147
Selenium
0.1433
Sl udge Cei I i ng
0.0052
mass balance
0.0433
0.1000
148
Silver
1.7097
AS/Nit/TFinhibiti
0.0025
mass balance
0.0208
1.6889
149
Zinc
6.1420
SludgeCeiIing
0. 19
mass Mlance
1.5830
4.5590
150
Total Nitrogen
3.75
mass balance
31.2437
151
Total Phos.
152
c
153
d
154
e
155
f
156
g
157
h
158
1
Modeled after: Chapter 5-HWA Guidance, Appendix 5-A
Revision Date: February 2008

POTW=
NPDES#=
IUP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name: Allocation Table 2024, Worksheet Name: AT Printed: 2/27/2024, 2:49 PM
Page 6 of 12
Allocation Table
Headworks last approved: 10/07/21
Allocation Table updated: 02/27/23
Permits last modified: 10/01/22
NW WTP
NC0020761
Spreadsheet Instructions:
1) Applicable Values should be entered in the Heavy Bordered cells. Rest of worksheet is protected, password is
2
2) Formulas are discussed in the Comprehensive Guidance, Chapter 6, Section C.
3) HWA and AT worksheets in this workbook are linked. Pollutant Names, MAHLs, Basis, and Uncontrollable load
in this AT worksheet are automatically entered from the HWA spreadsheet. This includes pollutant names in
columns AT through BK.
Type Renewal Modification Date
Pipe of Effective Effective Permit
number I ndustry Date Date Expires
Industry
INDUSTRY NAMES Permit
(plEacelist alphabaidy) number
FLOW
Permit Limits
B D
Permit Limits
TSS
Permit Limits
MGDgal/day
Conc. Load
m I Ibstd
Conc. Load
m I bstday
Gardner Glass Products
0001
1
433
10/01/22
09/30/27
0.0750
75,000
150
93.83
150
93.83
Johnston Casuals
0002
1
433
10/01/20
09/30/25
0.0095
9,500
Col umn Total s =>
1 0.08451
84,5001
94
94
Basis=>
MAHL from HWA (lbstday) _>
Uncontrollable Loading (lbstday) _>
Total Allowablefor Industry (MAIL) (lbstday) _>
Total Permitted to Industry (Ibstday) _>
MAIL left (lbstday) _>
Percent Allow. Ind. (MAIL) still available(%) _>
Percent MAHL still available(%) _>
5 Percent MAHL (I bstdav) _>
HWA.AT
Revised: November 2005
NPDES Permitted Flow=>
NPDES
1.0010 1777 1382
0.0845 94 94
0.9165 1684 1288
91.6% 94.7% 93.2%
45.8% 61.2% 51.5%
0.10001 1381 125

POTW=
NPDES#=
IUP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name: Allocation Table 2024, Worksheet Name: AT
Allnnntinn TahlP I
Printed: 2/27/2024, 2:49 PM
Page 7 of 12
Headworks last approved:
Allocation Table updated:
Permits last modified:
10/07/21
Pipe
number
02/27/23
10/01/22
NWWTP
NC0020761
Industry
INDUSTRY NAMES Permit
(plEacelist alphabaidy) number
Ammonia
Permit Limits
Arsenic
Permit Limits
Cadmium
Permit Limits
Chromium
Permit Limits
Copper
Permit Limits
Cyanide
Permit Limits
Conc. Load
m I Ibs/d
Conc. Load
m I Ibs/d
Conc. Load
m I Ibs/d
Conc. Load
m I Ibs/d
Conc. Load
m I Ibs/d
Conc. Load
m I bstday
Gardner Glass Products
0001
1
0.050
0.03
0.06
0.04
1.5
0.938
0.10
0.063
Johnston Casuals
0002
1
0.07
0.006
0.02
0.002
0.40
0.032
0.10
0.008
Col umn Total s =>
01
1 0.0000
0.0368
0.03911
1 0.9699
0.0705
Sludge
Sludge
AS/Nit/TF
Sludge
AS/Nit/TF
Basis=>
NPDES
Ceiling
Ceiling
inhibition
Ceiling
inhibition
M A H L from H WA (I bs/day) _>
260.11
0.0753
0.0954
3.4437
3.4288
0.8740
Uncontrollable Loading (lbs/day) _>
102.48
0.0433
0.0083
0.0433
0.4541
0.0208
Total A I I owabl e f or Industry (MAIL) (I bs/day) _>
157.63
0.0320
0.0871
3.4004
2.9747
0.8532
Total Permitted to Industry (Ibs/day) _>
0.00
0.0000
0.0368
0.0391
0.9699
0.0705
M A I L I eft (I bs/day) _>
157.63
0.0320
0.0503
3.3612
2.0048
0.7827
Percent Allow. Ind. (MAIL) still available(%) _>
100.0 %
100.0%
7.7 %
91.7
Percent MAHL still avaiIabla(%) _>
42.5
M67A
58.5%
89.6
5 Percent MAHL (Ibs/dav) =>
0
37
HWA.AT
Revised: November 2005

POTW=
NPDES#=
IUP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name: Allocation Table 2024, Worksheet Name: AT
Allnnntinn TahlP I
Printed: 2/27/2024, 2:49 PM
Page 8 of 12
Headworks last approved:
Allocation Table updated:
Permits last modified:
10/07/21
Pipe
number
02/27/23
10/01/22
NWWTP
NCO020761
Industry
INDUSTRY NAMES Permit
(pl- ist dphabdidy) number
Lead
Permit Limits
Mercury
Permit Limits
Molybdenum
Permit Limits
Nickel
Permit Limits
Selenium
Permit Limits
-9I
Permit
Conc. Load
m I I bs/d
Conc. Load
m I I bs/d
Conc. Load
m I I bs/d
Conc. Load
m I I bs/d
Conc. Load
m I I bs/d
Conc.
m
Gardner Glass Products
0001
1
0.05
0.031
0.4
0.250
0.07
Johnston Casuals
0002
1
0.15
0.012
0.10
0.008
0.15
Col umn Total s =>
0.0432
0.000000
0.0000
0.2581
1 0.0000
Sludge
Sludge
AS/Nit/TF
Sludge
Sludge
Basis=>
Ceiling
Ceiling
inhibition
Ceiling
Ceiling
M A H L from H WA (I bs/day) =>
1.0359
0.043947
0.1027
0.7523
0.1433
Uncontrollable Loading (lbs/day) =>
0.0408
0.002499
0.0217
0.0417
0.0433
Total A I I owabl e f or Industry (MAIL) (I bs/day) =>
0.9951
0.041448
0.0810
0.7106
0.1000
Total Permitted to Industry (Ibs/day) =>
0.0432
0.000000
0.0000
0.2581
0.0000
M A I L I eft (I bs/day) =>
0.9519
0.041448
0.0810
0.4525
0.1000
Percent Allow. Ind. (MAIL) still available(%) _>
95.7 %
100.0 %
100.0 %
100.0
Percent MAHL still avaiIabla(%) _>
91.9%
94.3%
78.9%
k603.77
69.8
5 Percent MAHL (Ibs/dav) =>
00518
0.002197
0.0051
1 0.0072
HWA.AT
Revised: November 2005

Workbook Name: Allocation Table 2024, Worksheet Name: AT
Allocation Table
Headworks last approved: 10/07/21
Allocation Table updated: 02/27/23
Permits last modified: 10/01/22
POTW=>
NPDEs#=>
IUP
Count
1
2
3
4
5
6
7
8
9
10
ivvvvv i r
NC0020761
Ver
Industry Limits
INDUSTRY NAMES Permit Pipe Load
(ply fist alphabaidy) number number I bs/day
Gardner Glass Products
0001
1
0.044
Johnston Casuals
0002
1
0.012
Col umn Total s =>
0.0557
AS/Nit/TF
Basis=>
inhibition
MAHL from HWA (lbs/day) _>
1.7097
Uncontrollable Loading (lbs/day) _>
0.0208
Total Allowablefor Industry (MAIL) (lbs/day) _>
1.6889
Total Permitted to Industry (Ibs/day) _>
0.0557
MAIL left (Ibs/day) _>
1.6332
Percent Allow. Ind. (MAIL) still available(%) _>
96.7
Percent MAHL still available(%) _>
95.5
5 Percent MAHL (I bs/dav) _>
0.0855
HWA.AT
Revised: November 2005
Printed: 2/27/2024, 2:49 PM
Page 9 of 12

POTW=
NPDES#=
IUP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name: Allocation Table 2024, Worksheet Name: AT Printed: 2/27/2024, 2:49 PM
Page 10 of 12
Allnnntinn TahlP
Headworks last approved:
Allocation Table updated:
Permits last modified:
10/07/21
Pipe
number
02/27/23
10/01/22
NWWTP
NC0020761
Industry
INDUSTRY NAMES Permit
(plEacelist alphabaidy) number
Zinc
Permit Limits
Total Nitrogen
Permit Limits
Total Phos.
Permit Limits
c
Permit Limits
d
Permit Limits
e
Permit Limits
Conc. Load
m I Ibstd
Conc. Load
m I Ibstd
Conc. Load
m I Ibstd
Conc. Load
m I Ibstd
Conc. Load
m I Ibstd
Conc. Load
m I bstday
Gardner Glass Products
0001
1
0.3
0.188
Johnston Casuals
0002
1
0.50
0.040
1
Column Total s =>
1 0.22731
1 0.00
0.00
0.0000
0.0000
0.0000
Sludge
Basis=> Ceiling
MAHL from HWA (lbstday) _> 6.1420
Uncontrollable Loading (lbstday) _> 1.5830
31.2437
Total Allowablefor Industry (MAIL) (lbstday) _> 4.5590
Total Permitted to Industry (Ibstday) _> 0.2273
0.00 0.00
MAIL left (Ibstday) _> 4.3317
Percent Allow. Ind. (MAIL) sti I I avai I abl a (%) _> 95.0 %
Percent M A H L sti I I avai I abl e (%) _> 70.5 %
5 Percent M A H L (I bstdav) _> 0.3071
HWA.AT
Revised: November 2005
t1�lIlIlI1]

POTW=
NPDES#=
IUP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name : Allocation Table 2024, Worksheet Name: AT Printed: 2/27/2024, 2:49 PM
Page 11 of 12
Allocation Table
Headworks last approved:
Allocation Table updated:
Permits last modified:
10/07/21
Pipe
number
02/27/23
10/01/22
NWWTP
NC0020761
Industry
INDUSTRY NAMES Permit
(phase l ist J phabdidy) number
f
Permit Limits
g
Permit Limits
h
Permit Limits
I
Permit Limits
Conc. Load
mg/I Ibsida
Conc. Load
mg/I Ibsida
Conc. Load
mg/I Ibsida
Conc. Load
mg/I Ibsida
Gardner Glass Products
0001
1
Johnston Casuals
0002
1
Column Totals =>
0.00001
1 0.00001
1 .00001
1 0.0000
Basis=>
MAHL from HWA (lbs/day) _>
Uncontrollable Loading (Ibs/day) _>
Total Allowablefor Industry (MAIL) (lbsiday) _>
Total Permitted to Industry (Ibs/day) _> 0.0000 0.0000
MAIL left (Ibs/day) _>
Percent A I I ow. Ind. (MAIL) sti I I avai I abl a (%) _> ####### #######
Percent M A H L sti I I avai I abl e(%) _> ####### #######
5 Percent MAHL (lbs/dav) _>
HWA.AT
Revised: November 2005
None IUIII
#######1 1#######
#######1 1#######

Name: Allocation Table 2024; Worksheet Name: HASL
Headworks Addendum for SludgeLoadings (HASL)worksheet
POTW Name=>
NWWTP
Spreadsheet Instructions:
POTW NPDES # _>
NC0020761
POTW Sludge Permit # _>
WQ0002040
1) Data entered only in Heavy Bordered cells. Rest of worksheet is protected,
Date =>
10/2/2018
password is "2'.
POTW Average Flow =>
1.05
mgd
Avg. sludge flow to Disposal =>
0.022
mgd
2) This spreadsheet changes based on the class of sludge generated inputted in
Average % Solids to Disposal =>
0.41
%
cell C13 of the HWA spreadsheet. The title and the limits in column G of this
Sludge Site Area permitted =>
106.4
acres
spreadsheet are updated automatically.
CUMULATIVE
SLUDGE
POLLUTANT LOADING LIMITS
Ibs/acre
mium
ickel
3) Formulas in Comprehensive Guidance HWA Chapter, Section K.
Enter actual
CUMULATIVE
LOADING data
from most recent
Flag if
Sludge Report for
% of
Greater
the most heavily
Cumulative
than
loaded field'
Limit
80%
IF Greater than 80% Flag POTW MUST SUBMIT
LAND APP & METALS MANAGEMENT PLAN In a
_sv = (Q_potw * C_inf * 8.34
Page 12 of 12
Printed 2/27/2024, 2:49 PM
adj
Q_potw = Average POTW flow (mgd)
C_inf = Average influent concentration (mgd)
%_adj = Per percentage of Sludge Limit as decimal
(example: enter 117% as 1.17)
8.34 = Conversion Factor
Flag if >
Enter actual
80% of
MAXIMUM SLUDGE
% of
Applicable
Sludge Ceiling
CONC. from most
Applicable
Ceiling
Flag if >
Concentrations
recent Sludge Report
Ceiling Conc.
Cone.
100% of
Limits
or LTMP Data
Limit
Limit
the Limit
mg/dry kg
m /d k
%
Flag
Flag
75
85
If Greater than 80% of the concentration limit POTW
MUST SUBMIT METALS MANAGEMENT PLAN n/a
Calculate MAHL_sv
based on % of
Monthly Average
Concentration Limits
Enter Average to Protect Sludge
POTW Influent Quality (insert these
Cone. values into HWA)
#VALUE!
I #VALUE!
#VALUE!
#VALUE!
I #VALUE!
#VALUE!
If over ceiling conc.
POTW must reduce
MAHL n/a
' The most heavily loaded field is determined for each polluntant indivisually, and is the field that contains the highest amount (Ibs/acre) of that polluntant.