NC0026689_Pretreatment_Annual Report_20210112

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TOWN OF DENTON
January 4, 2021 RECEIVED
JAN 12 2021
NC Division of Water Resources
NCDEQ NCDEQ/DWRINPDES
1617 Mail Service Center
Raleigh, NC 27699-1617
Subject: Submission of 2020 Pretreatment Annual Report(PAR)
Dear Sirs/Ma'am,
Enclosed are an original and one copy of the Town of Denton Pretreatment Annual Report(PAR)for the
period of January 1,2020 through December 31, 2020.
I certify under penalty of law that this document and all attachments were prepared under my direction
or supervision in accordance with a system designed to assure that qualified personnel properly gather
and evaluate the information submitted. Based on my inquiry of the person or persons who manage the
system,or those persons directly responsible for gathering the information,the information submitted
is,to the best of my knowledge and belief,true, accurate, and complete. I am aware that there are
significant penalties for submitting false information, including the possibility of fines and imprisonment
for knowing violations.
If you have any questions regarding the material, please contact me at 336-859-4460.
Sincerely,
roy . Branch, UMC
Pretreatment Coordinator
Town of Denton
201 W. Salisbury Street
P.O. Box 306 Phone: [phone]
Denton,NC 27239 Fax: [phone]
This institution is an equal opportunity provider and employer

Chapter 9, PAR Guidance
Pretreatment Performance Summary (PPS)
1. Pretreatment Town Name: Denton
2. "Primary"NPDES Number NCOO 26689
or Non Discharge Permit# if applicable=>
3. PAR Begin Date, please enter 01/01/yyyy 3.=> 1/1/2020
4. PAR End Date, please enter 12/31/yyyy 4.=> 12/31/2020
5. Total number of SIUs, includes CIUs 5.=> 1
6. Number of CIUs 6._> 0
7. Number of SIUs with no IUP, or with an expired IUP 7.=> 0
8. Number of SIUs not inspected by POTW 8.=> 0
9. Number of SIUs not sampled by POTW 9._> 0
10. Number of SIUs in SNC due to IUP Limit violations 10.=> 0
11. Number of SIUs in SNC due to Reporting violations 11.=> 0
12. Number of SIUs in SNC due to violation of a Compliance Schedule,CO,AO or similar 12._> 0
13. Number of CIUs in SNC 13.=> 0
14. Number of SIUs included in Public Notice 14.=> 0
15 Total number of SIUs on a compliance schedule, CO, AO or similar 15.=> 0
16. Number of NOVs,NNCs or similar assesed to SIUs 16.=> 0
17. Number of Civil Penalties assessed to SIUs 17.=> 0
18. Number of Criminal Penalties assessed to SIUs 18.=> 0
19. Total Amount of Civil Penalties Collected 19.=> $ 0
20. Number of IUs from which penalties collected 20.=> 0
Foot Notes: AO Administrative Order IUP Industrial User Pretreatment Permit POTW Publicly Owned Treatment Works
CIU Categorical Industrial User NNC Notice of Non-Compliance SIU Significant Industrial User
CO Consent Order NOV Notice of Violation SNC Significant Non-Compliance
IU Industrial User PAR Pretreatment Annual Report
revised 1/2018: PAR PPS 2018

Pretreatment Annual Report (PAR) PAR covers this calendar year=> 2020
Significant Non-Compliance Report (SNCR) Control Authority=Program=Town Name => Town of Denton
WWTP = Wastewater Treatment Plant, use separate form for each WWTP. WWTP Name => Denton WWTP
SRU= Significant Industrial User NPDES # => NC0026689
SNC = Significant Non-Compliance
A SNCR Form must be submitted with every PAR, please write "None " if you had No SIUs in SNC during calendar year
SNC ? (Yes /No ) RECEIVED
IUP Pipe Industry Name Parameter for each 6-month period. BAN 12 2021
# # or "Reporting" Jan. -June July-Dec.
0001 001 Century Hosiery, Inc. NONE No No NCDEQIDWR►NPDES
Attach a copy of the Division's "SIUs in SNC Historical 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

Pretreatment Annual Report (PAR) Control Authority, Industry
Industrial Data Summary Form (IDSF) Town Name=> Denton Name Century Hosiery
WWTP Name=> Denton WWTP IUP# 0001
Use separate forms for each industry/pipe NPDES#_> NC0026689 Pipe# 001
Enter BDL values as<(value) 1st 6 months,dates=> 1/1/2020 to 6/30/2020
2nd 6 months, dates=> 7/1/2020 to 12/31/2020
r iow, mga Dui" .1. ammonia
1st b months Ind b months I st b months Ind b months 1st b months 2nd b months i st b months Ind b months
Total#of samples=> 1 1 1 1
* Maximum (mg/1)_> 0.0186 0.0254 521 212
* or Maximum (lb/d)_>
* or Average(mg/1)=>
* or Average Loading(lb/d)=>
cYoviolations,(chronic SNC is>=66%)_>
%TRC violations, (SNC is>=33%)_> a
%violations,(chronic SNC is>=66%)_> i
TRC violations, (SNC is>=33 %)_>
Arsenic cadmium chromium -cull
1st 6 months 2nd 6 months 1st 6 months 2nd 6 months 1st 6 months 2nd 6 months 1st 6 months 2nd 6 months
Total#of samples=> 1 1 1 1
* Maximum (mg/1)=> <0.002 <0.002 <0.005 <0.005
* or Maximum (lb/d)_> .
* or Average(mg/1)=>
* or Average Loading(1b/d)=>
%violations, (chronic SNC is>=66%)_> ,,
cYo TRC violations, (SNC is>=33 %)_> Q
%violations,(chronic SNC is>=66%)_> i
%TRC violations, (SNC is>=33 %)=> i
copper cyanide Lead -iviercury
1st 6 months 2nd 6 months 1st 6 months 2nd 6 months 1st 6 months 2nd 6 months 1st 6 months 2nd 6 months
Total#of samples=> 1 1 1 1
* Maximum (mg/1)_> 0.035 0 <0.010 <0.010
* or Maximum (lb/d)_>
* or Average(mg/1)_>
* or Average Loading(lb/d)=>
%violations, (chronic SNC is>=66%)_> ,,
%TRC violations, (SNC is>=33%)_> A
%violations,(chronic SNC is>=66%)_> i
%TRC violations, (SNC is>=33%)_> i
BDL=>Below Detection Limit mg/1=>milligrams per liter
* POTW must enter at least one of these IUP=>Industrial User Permit lb/d=>pounds per day
four rows, 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: Pi1/23britpitifmisiReNai6die4 ia¢t #deARWIB,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 Century Hosiery, Inc.
Industrial Data Summary Form (IDSF) IUP# 0001
Use separate forms for each industry/pipe Pipe# 001
1'lcxel eiemum auver ILine
1 st b months 2nd 6 months 1st 6 months 2nd b months 1st 6 months 2nd b months 1 st 6 months 2nd b months
Total#of samples=> 1 1 1 1
* Maximum (mg/I)=> <0.010 <0.005 0.035 0.072
* or Maximum (1b/d)_>
* or Average(mg/I)=>
* or Average Loading(lb/d)=>
%violations, (chronic SNC is>=66%)_>
%TRC violations, (SNC is>=33 %)_>
%violations, (chronic SNC is>=66%)_>
%TRC violations, (SNC is>=33%)_>
pH ull & Crease
1 st 6 months 2nd 6 months 1st 6 months 2nd 6 months 1st 6 months 2nd 6 months 1st 6 months 2nd 6 months
Total#of samples=> 1 1 1 1
* Maximum => 8.09 6.53 6 11
* or Minimum=>
*
%violations,(chronic SNC is>=66%)_>
%TRC violations, (SNC is>=33%)_> a N/A
%violations, (chronic SNC is>=66%)_> N/A
%TRC violations, (SNC is>=33%)_> N/A
1st 6 months '2nd 6 months 1st 6 months 2nd 6 months 1st 6 months 2nd 6 months 1st 6 months 2nd 6 months
Total#of samples=>
* Maximum (mg/1)_>
* or Maximum (lb/d)_>
* or Average(mg/1)_>
* or Average Loading(lb/d)_>
%violations,(chronic SNC is>=66%)_>
%TRC violations, (SNC is>=33 %)_>
%violations, (chronic SNC is>=66%)_>
%TRC violations, (SNC is>=33 %)_>
BDL=>Below Detection Limit mg/1=>milligrams per liter
* POTW must enter at least one of these IUP=>Industrial User Permit lb/d=>pounds per day
four rows, 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, 1/2BDI,or zero values used. TRC=>Technical Review Criteria WWTP=>wastewater treatment plant
Chapter: PAR Guidance File name: PAPoriliBdhmhite'iidell alttigiQtslcctibMB,pages 12, 13, 14 Blank IDSF Form,Copy and use in your PAR Number each set for each IUP pipe-Page of

Workbook Name : Denton.HWA.AT_DWQS_2017_Approved.xls, Worksheet Name: Afrinted: 12/30/2020,9:02 AM
Allocation Table Spreadsheet Instructions: Page 1 of 5
Headworks last approved: 11/10/16 1)Applicable Values should be entered in the Heavy Bordered cells. Rest of worksheet is protected,password is
Allocation Table updated: 12/31/19 2)Formulas are discussed in the Comprehensive Guidance,Chapter 6,Section C.
Permits last modified: 01/01/20 3)HWA and AT worksheets in this workbook are linked. Pollutant Names,MAHLs,Basis,and Uncontrollable load in
I this AT worksheet are automatically entered from the HWA spreadsheet. This includes pollutant names in columns
AT through BK.
POTW=> Denton
NPOES1 > NC0026689
FLOW BOD TSS
Industry Type Renewal Modification Date Permit Limits Permit Limits Permit Limits
IUP INDUSTRY NAMES Permit Pipe of Effective Effective Permit Conc. Load Conc. Load
Count (please list elphabeticly) number number Industry Date Date Expires MGD gal/day m 1 lbs/da m 1 lbs/da
1 Century Hosiery 0001 001 textile 01/01/20 12/31/25 0.0800 80,000 750.00, 500.40
2 l
3 lk / S _�.
4 I
6 — 4 ._
5 . 9' I I
7
8 �� '
9
10
Column Totals=> 0.0800 80,000 500 0
Basis=> NPDES Design Design
MAHL from HWA(lbs/day)_> NPDES Permitted Flow=> 0.8000 1434 1788
Uncontrollable Loading(lbs/day)_> 0.4890 914 1048
Total Allowable for Industry(MAIL)(lbs/day)_> 0.3110 521 740
Total Permitted to Industry(lbs/day)_> 0.0800 500 0
MAIL left(lbs/day)_> 0.2310 21 740
Percent Allow.Ind.(MAIL)still available(%)_> 74.3% 3.9% 100.0%
Percent MAHL still available(%)=> 28.9% 1.4% 41.4 0/0
5 Percent MAHL(lbs/day)_> 0.0400 72 89
HWA.AT
Revised:November 2005

Workbook Name : Denton.HWA.AT_DWQS_2017_Approved.xls, Worksheet Name: A Printed: 12/30/2020, 9:02,AM
Allocation Table Page 2 of 5
Headworks last approved: 11/10/16
Allocation Table updated: 12/31/19
Permits last modified: 01/01/20
POTW - Denton
NPDESi > NC0026689
Ammonia Arsenic Cadmium Chromium Copper Cyanide
Industry Permit Limits Permit Limits Permit Limits Permit Limits Permit Limits Permit Limits
IUP INDUSTRY NAMES Permit Pipe Conc. Load Conc. Load Conc. Load Conc. Load Conc. Load Conc. Load
Count (please het elphibe[icly) number number mg/1 lbs/day mg/1 lbs/day mg/1 lbs/day mg/1 lbs/day mg/1 lbs/day mg/1 lbs/day
1 Century Hosiery 0001- 001 0.0070 0.0047 0.2000 0.1334 0.2000 0.1334
2
3
4
5
7 �141=11
8
9 _•44
10
Column Totals=> 1 01 , 0.00001 0.00471 0.1334 , 0.13341 0.00001
Sludge
Basis=> Design Ceiling Stream Std Stream Std Stream Std Stream Std
MAHL from HWA(lbs/day)_> 266.88 0.0458 0.0224 0.2671 1.1151 0.0705
Uncontrollable Loading(lbs/day)_> 67.70 0.0204 0.0041 0.0216 0.3389 0.0110
Total Allowable for Industry(MAIL)(lbs/day)_> 199.18 0.0254 0.0183 0.2455 0.7762 0.0595
Total Permitted to Industry(lbs/day)_> 0.00 0.0000 0.0047 0.1334 0.1334 0.0000
MAIL left(lbs/day)=> 199.18 0.0254 0.0136 0.1120 0.6427 0.0595
Percent Allow.Ind.(MAIL)still available(%)_> 100.0% 100.0% 74.5% 45.6% 82.8% 100.0%
Percent MAHL still available(%)_> 74.6% 55.5% 60.9% 41.9% 57.6% 84.4%
5 Percent MAHL(lbs/day)_> _ 13 0.0023 0.0011 0.0134 0.0558 0.0035
HWA.AT
Revised:November 2005

Workbook Name : Denton.HWA.ATDWQS_2017_Approved.xls, Worksheet Name: At 12/30/2020,9:02 AM
_
Allocation Table Page 3 of 5
Headworks last approved: 11/10/16
Allocation Table updated: 12/31/19
Permits last modified: 01/01/20
POTW=> Denton
NPDESI > NC0026689
Lead Mercury Molybdenum ' Nickel Selenium Silver
Industry Permit Limits Permit Limits Permit Limits Permit Limits Permit Limits Permit Limits
IUP INDUSTRY NAMES Permit Pipe Conc. Load Conc. Load Conc. Load Conc. Load Conc. Load Conc. Load
Count (plow list elphebdicty) number number mg/1 lbs/day mg/I lbs/day mg/I lbs/day mg/1 lbs/day mg/1 lbs/day mg/1 lbs/day
1 Century Hosiery 0001 001 0.0200 0.0133
2 I i
3
4 mm.. nmmm..
5 1
7 1
��
8 _
9
10 r
Column Totals=> I , 0.01331 0.0000001 0.0000
I 0.0000 0.00001 0.0000
Sludge AS/Nit/IT
Basis=> Stream Std Stream Std Ceiling Stream Std Stream Std inhibition
MAHL from HWA(lbs/day)_> 0.1546 0.008740 0.0624 0.1884 0.0437 1.0925
Uncontrollable Loading(lbs/day)_> 0.0204 0.003181 0.0102 0.0347 0.0204
Total Allowable for Industry(MAIL)(lbs/day)_> 0.1342 0.005559 0.0522 0.1537 0.0233 #VALUE!
Total Permitted to Industry(lbs/day)_> 0.0133 0.000000 0.0000 0.0000 0.0000 0.0000
MAIL left(lbs/day)=> 0.1209 0.005559 0.0522 0.1537 0.0233 #VALUE!
Percent Allow. Ind.(MAIL)still available(%)_> 90.1 % _ 100.0% 100.0% 100.0% 100.0% #VALUE!
Percent MAHL still available(%)=> 78.2% 63.6% 83.7% 81.6% 53.3% #VALUE!
5 Percent MAHL(lbs/day)=> 0.0077 0.000437 0.0031 0.0094 0.0022
HWA.AT
Revised:November 2005

Workbook Name : Denton.HWA.AT_DWQS_2017_Approved.xls, Worksheet Name: Afrinted: 12/30/2020,9:02 AM
Allocation Table Page 4 of 5
Headworks last approved: 11/10/16
Allocation Table updated: 12/31/19
Permits last modified: 01/01/20
POTw=> Denton
NPDESik> NC0026689
Zinc Total Nitrogen Total Phos. hlorobromometh d e
Industry Permit Limits Permit Limits Permit Limits Permit Limits Permit Limits Permit Limits
IUP INDUSTRY NAMES Permit Pipe Conc. Load Conc. Load Conc. Load Conc. Load Conc. Load Conc. Load
Count (plane lint elphabeticly) number number mg/1 lbs/day mg/I lbs/day mg/1 lbs/day mg/1 lbs/day mg/1 lbs/day mg/1 lbs/day
1 (Century Hosiery 0001 001 0.2500 0.1668
2
3 /
4
4111 -4
8 F
10
Column Totals=> 1 , 0.16681 0.001 0.001 0.0000 , 0.00001 0.0000
AS/Nit/TF
Basis=> inhibition
MAHL from HWA(lbs/day)_> 2.1851
Uncontrollable Loading(lbs/day)_> 0.9910
Total Allowable for Industry(MAIL)(lbs/day)_> 1.1941
Total Permitted to Industry(lbs/day)_> 0.1668 0.00 0.00 0.0000 0.0000 0.0000
MAIL left(lbs/day)_> 1.0273
Percent Allow.Ind.(MAIL)still available(%)=> 86.0% ####### ####### ####### ####### #######
Percent MAHL still available(%)=> 47.0% ####### ####### #.###### ####### #######
5 Percent MAHL(lbs/day)_> 0.1093
HWA.AT
Revised:November 2005

Workbook Name : Denton.HVVA.AT_DWQS_2017_Approved.xls, Worksheek.W....A'f'rinted: 12/30/2020,9:02AOP
Allocation Table Page 5 off
Headworks last approved: 11/10/16
Allocation Table updated: 12/31/19
Permits last modified: 01/01/20
Pores=> Denton
NPDESSP> NC0026689
f g h I
Industry Permit Limits Permit Limits Permit Limits Permit Limits
[UP INDUSTRY NAMES Permit Pipe Conc. Load Conc. Load Conc. Load Conc. Load
Count (I sit hibitidy) number number mg/1 lbs/day mj/l lbs/day mp�/1 lbs/day mg/1 lbs/day
1 Century Hosiery 0001 001
2
3 —
4
5 -
6
7
8
9
10
Column Totals=> 0.0000 0.00001 0.00001 0.0000
Basis=>
MAHL from HWA(lbs/day)_>
Uncontrollable Loading(lbs/day)_>
Total Allowable for Industry(MAIL)(lbs/day)_>
Total Permitted to Industry(lbs/day)_> 0.0000 0.0000 0.0000 0.0000
MAIL left(lbs/day)_>
Percent Allow. Ind.(MAIL)still available(%)_> ####### ####### ####### #######
Percent MAHL still available(%)_> ####### ####### ####### #######
5 Percent MAHL(lbs/day)_>
H WA.AT
Revised:November 2005