NC0020648_Annual Report_20210302

091110."%‘
Mayor Washington City Council
Donald R.Sadler C 1 of Richard Brooks
Virginia Finnerty
City Manager ®y1
Elizabeth A. Kane
Jonathan Russell 11 William Pitt
NORTH CAROLINA MikeRenn
February 11, 2021
NCDENR/Division of Water Quality/ Surface Water Protection Section MAR 02 2021
Pretreatment, Emergency Response, and Collection Systems (PERCS) Unit RECEIVED
1617 Mail Service Center NGDEQ(DWRINPDES
Raleigh,NC 27699-1617
Subject: 2020 Pretreatment Annual Report
Dear Michael Montebello,
I have attached a copy of the City of Washington's Pretreatment Annual Report. I trust that you
will find everything in order. If you should have any questions or concerns regarding this report
or the City of Washington's Pretreatment Program, I can be reached by telephone at
[phone] or by email at [e-mail].
Sincerely,
1262AL
)2
Palki Desai
Laboratory/Pretreatment Supervisor
City of Washington
102 East Second Street, Washington, North Carolina 27889
[phone]
www.washingtonnc.gov

City of Washington
Pretreatment Annual Report
Report Date: February 11, 2021
Period covered by this report: January 2020 thru December 2020
Name of the Wastewater Treatment Plant NPDES Permit Number
City of Washington Municipal Wastewater NC 0020648
Treatment Plant
Person to contact concerning this information contained in this report:
Name: Adam Waters
Title: Director of Public Works
Mailing Address: City of Washington
Water Resources Division
P.O. Box 1988
Washington,NC 27889-1988
Telephone: [phone] or(252) 975-9300
To the best of my knowledge the following information submitted in this report is
accurate and complete. I am aware that there are significant penalties for intentionally
submitting false information.
Adam Waters
Director of Public Works
Date: 2 / I(o/20z (

PRETREATMENT ANNUAL REPORT
City of Washington
January 2020 to December 2020

PAR Narrative City of Washington January 2021
General Program Information
All information on the Pretreatment Program Database Sheet is correct
Data Summary Forms
Calculations were performed using '/2 BDL.
Industries
AAF Flanders (IUP #0003 Filtration Systems)
AAF Flanders updated their Slug/ Spill Prevention, Control and
Countermeasure Plan on May 22, 2020 to revise the personal contact
information for Flanders due to change of personals.
The City of Washington's Water Resources Division is enforcing the
City's Grease Trap Policy through regular monitoring, inspections, and
education.
The City of Washington provides solid waste services, which include
garbage, tree trunks and branches, yard waste, bulky trash items and
recycling of newspapers, plastics, cardboard, paper, aluminum, steel cans,
and glass.
The City of Washington is enforcing the Dental Amalgam Rule by
attaining One-time Compliance Report and inspections.

Pretreatment Program Info Database printed on: 12/22/2020
for Program Name Washington IWC%at 7Q10 11.25
VVVVTP Name City of Washington Stream Information
Program Approval Date 08/05/1983 7Q10 Flow cfs/mgd 44.58 / 28.80
1Q10 Flow cfs/mgd 36.60 / 23.65
Pretreatment Status Full C-NSW
Stream Classification
Region WARO Basin Number TAR07
County Beaufort Receiving Stream Name Tar River
NPDES Number NC0020648
Last PAR Rec 02/14/2020 PAR Due Date 03/01/2021 mercury
NPDES Effective Date 08/01/2016 1631
NPDES Expire Date Current Fiscal required
P 11/30/2019 Year PCI Done
POTW is Primary VWVTP TRUE Last Audit on 05/07/2019 Audit Year Next23/24 yes
Design Flow mgd 3.6500 %Design mgd is SIU permitted ` 1.23 Permitted SIU flow(mgd)[Pt_SIU) .045
VVVVTP SIU's 1 Program SIUs 1
WVVTP CIU's 0 Program CIUs 0 HWA LTMP IWS SUO ERP
date Inactive Date Next Due 05/01/2021 10/01/2023
Date Received by DWR 04/28/2016 04/11/2018 09/25/2018 02/21/2013 02/05/2020
Date Approved 07/19/2016 04/11/2018 11/09/2018 05/23/2013 02/13/2020
Adopt Date Required
Date Adopted 10/28/2013
Info in this Box from Pt_Contacts Date Date Date
PT_Pro Attended Attended Attended
Formal Name g.Prime Phonel ext Fax HWA Wksp IUP Wksp PAR Wksp
Ms. Hope Woolard I 11252-975-9310 I 1252-975-0249 II 3/1/2011 1 6/22/2011 12/5/2013
[e-mail] (Water Resources Superintendent PO Box 1988 27889
Ms. Palki Desai (Prim 11252-721-8303 I I II 4/11/2019 15/24/2016 11/24/2019 I
[e-mail] Pretreatment/Lab Supervisor
Mr. Lonnie Woolard I 11252-927-9374 J I II I I I
[e-mail] Treatment Plant Operations
w
Pretreatment Related NOVs from DWQ DWR Central Office Contact Vivien Zhong
DWR Regional Contact Robbie Bullock

Chapter 9, PAR Guidance
Pretreatment Performance Summary (PPS)
1. Pretreatment Town Name: City of Washington
2. "Primary"NPDES Number N000 20648 This
Column
or Non-Discharge Permit# if applicable=> use only
EPA
WENDB
3. PAR begin Date, please enter 01/01/yy or 07/01/yy 3.=> 01/ 01/ 2020 PSSD
4. PAR end Date, please enter 06/30/yy or 12/31/yy 4.=> 12/ 31/ 2020 PSED
5. Total number of SIUs, includes CIUs 5.=> 1 Slus
6. Number of CIUs 6.=> 0 cius
7. Enter the Higher Number, either (7a)or(7b)here=> 0 NOIN
7a. Number of SIUs not sampled by POTW 7a.=> 0
7b. Number of SIUs not inspected by POTW 7b. => 0
8. Number of SIUs with no IUP, or with an expired IUP 8. _> 0 NOCM
9. Total Number of SIUs in SNC due to either IU Reporting violations or
IUP Limit violations. To avoid double counting some SIUs
Enter ( 9a+9b) - 9c here=> 0 PSNC
Enter the Number of SIUs in SNC for : 0
9a. IU Reporting violations 9a._> 0 MSNC
9b. IUP Limit violations 9b._> 0 SNPS
9c. Both IU Reporting& Limit violations 9c._> 0
10. Number of SIUs in SNC due to IU Reporting violations
that were not sampled or inspected by POTW 10.=> 0 sNIN
11. Number of SIUs in SNC due to violation of 11._> 0 SSNC
Compliance Schedule due dates
12. Number NOVs,NNCs, AOs, or similar assesed to SIUs 12.=> 0 FENF
13. Number Civil or Criminal Penalties assessed to SIUs 13.=> 0 JUDI
14. Number of SIUs included in public notice 14.=> 0 5VPU
15. Number of SIUs from which penalties collected 15.=> 0 IUPN
16. Total Amount of Civil Penalties Collected 16.=> $ 0
17. Total Number of SIUs on a compliance schedule 17.=>_ 0 sots
Foot Notes: AO Administrative Order NOV Notice of Violation
CIU Categorical Industrial User PAR Pretreatment Annual Report
CO Consent Order POTW Public Operated Treatment Works
IUP Industrial User Pretreatment Permit SIU Significant Industrial User
NNC Notice of Non-Compliance SNC Significant Non-Compliance,formerly RNC
Chapter name: PAR Guidance File name: PAR_PPS3daiflittisl+datiuiAagekipt!0994 Section B, Page 5 Blank PPS Form,Copy and use in your PAR

•
Pretreatment Annual Report (PAR) PAR covers this calendar year=> 2020
Significant Non-Compliance Report (SNCR) Control Authority=Program=Town Name => City of Washington
WWTP = Wastewater Treatment Plant, use separate form for each WWTP. WWTP Name =>'Washington Municipal WWTP
SIU = Significant Industrial User NPDES # => NC 0020648
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 )
IUP Pipe Industry Name Parameter for each 6-month period.
# # or "Reporting" Jan. - June July - Dec.
None
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=> City of Washington Name AAF Flanders
Use separate forms for each industry/pipe WWTP Name=>'Washington WW FP IUP# 003
NPDES#=> NC0020648 Pipe# 01
Enter BDL values as<(value)
1st 6 months,dates=> January 1.2020 to June 30,2020
2nd 6 months,dates=> July 1,2020 to December 31,2020
r Row, mga -DUD -1 -Ammonia
1st 6 months 2nd b months 1st 6 months 2nd b months I st 6 months -2nd 6 months I st 6 months 2nd 6 months
Total#of samples=> 7 7 7 7 7 7
* Maximum (mg/1)=> *not required *not required
* or Maximum (Ib/d)=>
* or Average(mg/1)_> 33.14 20.99 2.55 1.68
* or Average Loading(mgd)_> 0.0181 0.0203
violations,(chronic SNC is>=66%)_> 0 0 N/A N/A N/A N/A
%TRC violations,(SNC is>=33 %)_> 0 0 N/A N/A N/A N/A
Arsenic Cadmium -Chromium' COUP
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=> 7 7 7 7 7 7
* Maximum (mg/1)_> *not required *not required
* or Maximum (lb/d)=>
* or Average(mg/I)=>
* or Average Loading(lb/d)_> 0.0001 0.0001 0.0004 0.0004 30.97 23.61
%violations,(chronic SNC is>=66%)_> _ 0 0 0 0 0 0
TRC violations,(SNC is>=33 %)_> 0 0 0 0 0 0
Copper Cyanide Lead Mercury
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=> 7 7 7 7 7 7
* Maximum (mg/I)_> *not required *not required
* or Maximum (lb/d)_>
* or Average(mg/1)_>
* or Average Loading(lb/d)=> 0.0028 0.0022 0.0033 0.0032 0.0004 0.0004
%violations,(chronic SNC is>=66%)_> 0 0 0 0 0 0
%TRC violations,(SNC is>=33 %)_> 0 0 0 0 0 0
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, 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: PAPoitigifholsRaiiiii3dedalthaftttgatctI294B,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 (IDSF) IUP# 003 Form IDSF Industry Name Flanders
03
Use separate forms for each industry/pipe Pipe# 01
Enter BDL values as <(value)
Nickel lselenlum [Silver - -Line
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=> 7 7 7 7 7 7
* Maximum (mg/1)_> *not required *not required
* or Maximum (lb/d)_>
* or Average(mg/1)=>
* or Average Loading(lb/d)_> 0.0008 0.0008 0.0004 0.0004 0.0354 0.0224
%violations,(chronic SNC is>=66%)_> 0 0 0 0 0 0
%TRC violations,(SNC is>=33%)_> 0 0 0 0 0 0
Phosphorus I otal Nitrogen
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=> 7 7 7 7
* Maximum (mg/1)_>
* or Maximum (lb/d)=>
* or Average(mg/I)=>
* or Average Loading(lb/d)_> 0.0801 0.0355 3.3432 2.5886
%violations,(chronic SNC is>=66%)_> N/A N/A N/A N/A
%TRC violations,(SNC is>=33%)=> N/A N/A N/A N/A
1st 6 months 2nd 6 months 11st 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%)_>
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, 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: P. tfidSibidgide�miulEd a¢t tct&ArtB,pages 12. 13, 14 Blank IDSF Form,Copy and use in your PAR Number each set for each RIP pipe-Page of

Pretreatment Annual Report (PAR) Industry Name
Industrial Data Summary Form (IDSF) IUP# .
Use separate forms for each industry/pipe Pipe#
1 st b months 2nd 6 months 1st 6 months lnd 6 months list 6 months 2nd 6 months 1st b 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 %)_>
1st 6 months 2nd 6 months 1st 6 months 2nd 6 months 1 st 6 months 2nd 6 months 1st 6 months I2nd 6 months
Total#of samples=>
* Maximum (mg/1)_>
* or Maximum (lb/d)_>
* or Average(mg/1)=>
* or Average Loading(Ib/d)_>
%violations,(chronic SNC is>=66%)_>
%TRC violations,(SNC is>=33%)_>
I st 6 months Lnd 6 months 11 st 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%)_>
BDL=>Below Detection Limit mg/1=>milligrams per liter
* POTW must enter at least one of these IUP=>Industrial User Permit Ib/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: PARottIgavahaideNCtaiiidtdatihafttigiattclilfh4B,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)
ame
Industrial Data Summary Form (IDSF) Industry 1IUP
#
Use separate forms for each industry/pipe Pipe#
Enter BDL values as <(value)
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/I)=>
* or Maximum (lb/d)_>
* or Average(mg/1)=>
* or Average Loading(lb/d)_>
%violations,(chronic SNC is>=66%)_>
%TRC violations,(SNC is>=33%)_>
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%)_>
1 st 6 months 2nd 6 months l st 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/I)_>
* or Average Loading(lb/d)=>
%violations,(chronic SNC is>=66%)_>
%TRC violations,(SNC is>=33%)_>
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, 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: P?RodifiEdhasidc�Creiidedi;tiha{rusi8t dectiiIMB,pages 12,13,14 Blank IDSF Form,Copy and use in your PAR Number each set for each IUP pipe-Page of

Workbook Name : State approved HWA Design 2015, Worksheet Name: AT Printed. 2/11/2021, 1 02 PM
Page 1 of 4 -
Allocation Table Spreadsheet Instructions:
•
Headworks last approved: 7/19/2016 1)Applicable Values should be entered in the Heavy Bordered cells. Rest of worksheet is protected,password is
Allocation Table updated: 12/23/2016 2)Formulas are discussed in the Comprehensive Guidance,Chapter 6,Section C.
Permits last modified: 1/8/2017 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.
Po-rw” City of Washington
NPDESF> NC0020648
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 Os1 alphabetich) number number Industry Date Date Expires MGD gal/day m lbs/da m Ibs/da
1 AAF Flanders 0003 0001 EPA Filter 01/08/17 01/07/22 0.0450 45,000 Monitor Monitor
2
3
4
5
.
7
8
9 d
10
Column Totals=> 0.04501 45.000 1___A 0
Basis=> NPDES NPDES NPDES
MAHL from HWA(lbs/day)=> NPDES Permitted Flog=> 3.6500 8813 9121
Uncontrollable Loading(lbs/day)=> 1.8525 2178 2148
Total Allowable for Industry(MAIL)(Ibs/day)=> 1.7975 6635 6974
Total Permitted to Industry(lbs/day)_> 0.0450 0 0
MAIL left(lbs/day)=> 1.7525 6635 6974
Percent Allow.Ind.(MAIL)still available(%)_> 97.5% 100.0% 100.0%
Percent MAHL still available(%)=> 48.0% 75.3% 76.5%
5 Percent MAHL(lbs/day)=> 0.1825 441 456
HWA.AT
Revised:November 2005

Workbook Name : State approved HWA Design 2015, Worksheet Name: AT Printed:2/11/2021, 1:02 PM
Page 2 of 4 •
Allocation Table
•
Headworks last approved: 7/19/2016
Allocation Table updated: 12/23/2016
Permits last modified: 1/8/2017
POTw=> City of Washington
NPDESA > NC0020648
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 listalphabeucly) number number mg/I lbs/day mg/I lbs/day mg/1 lbs/day mg/I lbs/day mg/I lbs/day mg/I lbs/day
1 AAF Flanders 0003 0001 , 0.0100 0.0300 0.0300 0.0100
2 ►
3
4
5
6
7 �^ �1
8
9
10
Column Totals=> 0 0.00001 1 0.01001 t 0.03001 0.03001 0.0100
Sludge Sludge AS/Nit/TF Sludge
Basis=> NPDES Ceiling Ceiling inhibition Ceiling Stream Std
MAHL from HWA(lbs/day)_> 954.07 0.2302 0.1752 6.2293 6.3266 4.1291
Uncontrollable Loading(lbs/day)=> 386.25 0.0463 0.0463 0.7725 0.9424 0.6334
Total Allowable for Industry(MAIL)(lbs/day)_> 567.83 0.1838 0.1289 5.4568 5.3842 3.4956
Total Permitted to Industry(lbs/day)_> 0.00 0.0000 0.0100 0.0300 0.0300 0.0100
MAIL left(lbs/day)_> 567.83 0.1838 0.1189 5.4268 5.3542 3.4856
Percent Allow.Ind.(MAIL)still available(%)=> 100.0% 100.0% 92.2% 99.5% 99.4% 99.7%
Percent MAHL still available(%)=> 59.5% 79.9% 67.8% 87.1 % 84.6% 84.4%
5 Percent MARL(lbs/day)=> 47.70 0.0115 0.0088 0.3115 0.3163 0.2065
HWA.AT
Revised:November 2005

Workbook Name : State approved HWA Design 2015, Worksheet Name: AT Printed:2/11/2021, 1:02 PM
Page 3 of 4 •
Allocation Table
Headworks last approved: 7/19/2016
Allocation Table updated: 12/23/2016
Permits last modified: 1/8/2017
Po,w=> City of Washington
NPDESt> NC0020648
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 (please list alphabcticly) number number mg/I lbs/day mg/1 lbs/day mg/I lbs/day mg/I lbs/day mg/I lbs/day mg/1 lbs/day
1 AAF Flanders 0003 0001 0.0300 0.0300 0.0300
2
3
4
5
6 ,
7
8
9
10
Column Totals=> 0.0300 0.000000 I 0.00001 l 0.0300( 0.00001 0.0300
Sludge Sludge Sludge Sludge Sludge AS/Nit/TF
Basis=> Ceiling Ceiling Ceiling Ceiling Ceiling inhibition
MAHL from HWA(lbs/day)=> 1.9019 0.079064 0.3139 1.3811 0.2762 3.9526
Uncontrollable Loading(lbs/day)_> 0.7570 0.004635 0.0772 0.0772 0.0772 0.0772
Total Allowable for Industry(MAIL)(lbs/day)_> 1.1448 0.074429 0.2366 1.3039 0.1990 3.8753
Total Permitted to Industry(lbs/day)=> 0.0300 0.000000 0.0000 0.0300 0.0000 0.0300
MAIL left(lbs/day)_> 1.1148 0.074429 0.2366 1.2739 0.1990 3.8453
Percent Allow.Ind.(MAIL)still available(%)_> 97.4% 100.0% 100.0% 97.7% 100.0% 99.2%
Percent MAHL still available(%)=> 58.6% 94.1 % 75.4% 92.2% 72.0%0 97.3%
5 Percent MAHL(Ibs/day)=> 0.0951 0.003953 0.0157 0.0691 0.0138 0.1976
HWA.AT
Revised:November 2005

Workbook Name : State approved HWA Design 2015, Worksheet Name: AT Printed:2/11/2021, 1:02 PM
Page 4 of 4
Allocation Table
Headworks last approved: 7/19/2016
Allocation Table updated: 12/23/2016
Permits last modified: 1/8/2017
POTw=, City of Washington
NPDES#> NC0020648
Zinc Total Nitrogen Total Phos. Oil&Grease
Industry Permit Limits Permit Limits Permit Limits Permit Limits
IUP INDUSTRY NAMES Permit Pipe Conc. Load Conc. Load Conc. Load Conc. Load
Count (please lln alphabeticly) number number mg/I lbs/day mg/I lbs/day mg/I lbs/day mg/1 lbs/day
I AAF Flanders 0003 0001 0.5000
2
3
4
5
67
' r
8
9
10
Column Totals=> 0.5000 1 0.001 0.001 0.0000
Sludge
Basis=> Ceiling Design Design
MAHL from HWA(lbs/day)_> 14.9300 1034.9940 194.82 �—
Uncontrollable Loading(lbs/day)_> 2.7037
Total Allowable for Industry(MAIL)(lbs/day)_> 12.2262
Total Permitted to Industry(lbs/day)=> 0.5000 0.00 0.00 0.0000
MAIL left(lbs/day)_> 11.7262 0.00 0.00
Percent Allow.Ind.(MAIL)still available(%)_> 95.9%
Percent MAHL still available(%)=> 78.5% 0.0% 0.0%
5 Percent MARL(lbs/day)=> 0.7465 51.75 9.7411
HWA.AT
Revised:November 2005