NC0020648_Headworks Analysis_20210429

Z'
Mayor . Washington City Council
Donald R.Sadler C p f Richard Brooks
Virginia Finnerty
City Manager Elizabeth A. Kane
Jonathan Russell Waghina O� William Pitt
ORTH CAROL ] NA MikeRenn
April 27, 2021
Michael Montebello
NCDEQ
PERCS BRANCH RECEIVED
1617 Mail Service Center
Raleigh, NC 27699-1617a R 2 9 2021
Subject: Head Works Analysis NCDEQIDWRINPDES
Dear Michael Montebello:
Attached please find a copy of the City of Washington's five year Head Works Analysis using
data collected from 2020. I hope that you will find that everything is in proper order.
If I can be of any further assistance or answer any questions concerning this Head Works
Analysis, please call me at [phone].
Sincerely
Palki Desai
Laboratory & Pretreatment Supervisor
Enclosures
102 East Second Street, Washington, North Carolina 27889
[phone]
www.washingtonnc.gov

Head Works Analysis Narrative
HWA Data Time Period: The sampling frequency for plant Influent and Effluent is
monthly on all long term monitoring plan pollutants of concern. Data used for this HWA
included 12 sets of Influent and Effluent data collected in 2020. A copy of our WWTP
expired permit is included, as we have not received the final permit yet.
Removal Rate Calculations: All available DMR and LTMP data were used. DMR
monthly averages for TSS, BOD, and Ammonia parameters that had both detection and
below detection results were recalculated, using Y2 the detection limit as the value instead
of zero.
The EPA literature values were used for the metals where the data was greater than or
equal to 50%below the detection limit. This included all of the metals except Copper,
Mercury, and Zinc in which the site-specific removal rates were used. For BOD,
Ammonia, and TSS a removal rate source of"Best Professional Judgment"was used. On
the removal rate calculations worksheet, our plant is removing more than 98%of these
pollutants from the Influent wastewater. However, when this number is entered into the
HWA spreadsheet the NPDES loading rate is unrealistically high. We have adjusted the
removal rate percentage to reflect a more realistic loading rate that we feel our plant can
treat.
Water Quality Standards: The City of Washington had not failed Whole Effluent Toxicity
Test, so we did not use the NC WQS Action Levels for Copper, Silver or Zinc.
Inhibition Calculations: The City of Washington has an Ammonia monthly average limit
of 3.5 mg/L, so the more restrictive nitrification criteria was used for Chromium, Copper,
Lead and Nickel.
Uncontrollable Mass Balance: We used the more conservative literature value for all of
the metals except Cyanide. The mass balance value was used for Cyanide since the
literature value resulted in it being over allocated. Influent values were used for Selenium
and Molybdenum.

PAT MCCRORY
Governor
•
DONALD R. VAN DER VAART
secretary
Water Resources S. JAY ZIMMERMAN
ENVIRONMENTAL QUALITY
Director
July 8,2016
Mr. Stephen Adam Waters II,Water Resources Superintendent
City of Washington
P. O.Box 1988
Washington,North Carolina 27889
Subject: NPDES Permit Issuance
Permit NC0020648
City of Washington Regional WWTP
Beaufort County
Facility Class IV
Dear Mr. Waters:
Division personnel have reviewed and approved your application for a renewal of the subject permit.
Accordingly,we are forwarding the attached NPDES discharge permit. This permit is issued
pursuant to the requirements of North Carolina General Statute 143-215.1 and the Memorandum of
Agreement between North Carolina and the U.S. Environmental Protection Agency dated October
15, 2007 (or as subsequently amended).
The following changes have been incorporated into this renewal:
• The monitoring frequency for BOD,TSS,Fecal Coliform, and Ammonia Nitrogen was
reduced from Daily to 2/week based on the Monitoring Frequency Reduction Evaluation.
• The Following special conditions were added to the permit to assure compliance with the
nutrient limits: A. (3.) Calculation of Total Nitrogen or Total Phosphorus Loads, A. (4.)
Annual Limits for Total Nitrogen or Total Phosphorus,A. (5.) Nutrient Allocations.
• Starting December 21,2016, federal regulations require electronic submittal of all discharge
monitoring reports (DMRs) and specify that,if a state does not establish a system to receive
such submittals,then permittees must submit DMRs electronically to the Environmental
Protection Agency (EPA). The final NPDES Electronic Reporting Rule was adopted and
became effective on December 21,2015.
•
The requirement to begin reporting discharge monitoring data electronically using the NC
DWR's Electronic Discharge Monitoring Report(eDMR) Internet application has been
added to your final NPDES permit. (Please see A. (8.)) For information on eDMR,
registering for eDMR and obtaining an eDMR user account,please visit the following web
page:
State of North Carolina I Environmental Quality I Water Resources
1617 Mail service Center I Raleigh,North Carolina 27699-1611
919 707 9000

http://deq.nc.gov/about/divisions/water-resources/edmr.
For more information on EPA's final NPDES Electronic Reporting Rule, please visit the
following web site:
http://www2.epa.gov/compliance/final-national-pollutant-discharge-elimination-system-
npdes-electronic-reporting-rule.
• The Total Nitrogen load and the Total Phosphorus load limits were added to the permit in
accordance with the Tar-Pamlico Nutrient Sensitive Waters Implementation Strategy.
If any parts,measurement Frequencies, or sampling requirements contained in this permit are
unacceptable to you,you have the right to an adjudicatory hearing upon written request within thirty
(30) days following receipt of this letter. This request must be in the form of a written petition,
conforming to Chapter 150B of the North Carolina General Statutes,and filed with the office of
Administrative Hearings, 6714 Mail Service Center,Raleigh,North Carolina 27699-6714. Unless
such a demand is made, this permit shall be final and binding.
Please take notice that this permit is not transferable except after notice to the Division of Water
Resources.The Division may require modification or revocation and reissuance of the permit.This
permit does not affect the legal requirements to obtain other permits which may be required by the
Division of Water Resources,the Division of Energy,Mineral,and Land Resources,the Coastal
Area Management Act, or any other federal or local governmental permit.
If you have any questions on this permit,please contact Sergei Chernikov at 919-807-6386.
Sincerely,
--N461sAAJ(-
/Ddil .J Jay Zimmerman,P.G..hector,Division of Water Resources
cc: Central Files
NPDES Files
Washington Regional Office/Water Quality
EPA Region IV(e-copy)
WSS/Aquatic Toxicology Unit(e-copy)
WSS/Ecosystem Branch/Monitoring Coalition Coordinator (e-copy)
Il

Permit No. NC0020648
•
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provisions of North Carolina General Statute 143-215.1,other lawful standards and regulations
promulgated and adopted by the North Carolina Environmental Management Commission,and the Federal Water
Pollution Control Act,as amended,the
City of Washington
is hereby authorized to discharge wastewater from a facility located at the
City of Washington WWTP
1399 West 2nd Street
Washington
Beaufort County
to receiving waters designated as the Tar River in the Tar-Pamlico River Basin in accordance with effluent limitations,
monitoring requirements,and other applicable conditions set forth in Parts I,II,III and IV hereof.
This permit shall become effective August 1,2016.
This permit and authorization to discharge shall expire on November 30,2019.
Signed this day July 8,2016.
erS. ay Zimmerman P.G.,Director
(Division of Water Resources
By Authority of the Environmental Management Commission
Pagel of 11

Permit No. NC0020648
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility,whether for operation or discharge are hereby revoked.As of this
permit issuance,any previously issued permit bearing this number is no longer effective.Therefore,the exclusive
authority to operate and discharge from this facility arises under the permit conditions,requirements,terms,and
provisions included herein.
City of Washington
is hereby authorized to:
1. Continue to operate an existing 3.65 MGD wastewater treatment facility located off Second Street,Washington,
Beaufort County,and consisting of:
• Influent metering vault
• Mechanical bar screen
• Automatic aerated grit chamber
• Splitter box
• Aeration basin
• Activated sludge oxidation ditch
• Four secondary clarifiers with scum removal and pumped sludge return
• Five cell deep-bed denitrification sand filters with a methanol storage/feed system
• Dual chlorine contact chambers with flow paced sodium hypochlorite feed
• Sodium bisulfite dechlorination
• Reaeration Basin
• Lime storage tower
• Caustic soda and polymer feed system
• Sludge mixing tank with lime addition
• Four sludge thickening lagoons
• Recirculation pump and decant draw off
• 60,000 gallon mud well
• Sludge recirculation pump station
• Effluent pump station
• Effluent diffuser
2. Discharge from said treatment works,through outfall 001,into the Tar River,a Class C-NSW water in the Tar-
Pamlico River Basin,at the location specified on the attached map.
Page 2of11

Permit No. NC0020648
Part I
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
[15A NCAC 02B .0400 et seq.,02B .0500 et seq.]
Beginning on the effective date of this permit and lasting permit expiration, the Permittee is authorized to discharge
treated wastewater from Outfall 001. Such discharges shall be limited and monitored6 by the Permittee as specified
below:
EFFLUENT LIMITATIONS MONITORING REQUIREMENTS 1
PARAMETER Monthly Weekly Daily Measurement Sample
Average Average Maximum Frequency Sample Type 1
Location
3.65 Continuous RecordingInfluent or
Flow(MGD)
Effluent
Recorded or Influent or
Total Monthly Flow(MG) Monitor&Report Monthly Calculated Effluent
BODs 2 13.1 mg/L 19.6 mg/L 2/Weeks Composite Influent&
Effluent
Influent&
Total Suspended Solids2 30.0 mg/L 45.0 mg/L 2/Weeks Composite Effluent
NH3 as N 3.5 mg/L 10.5 mg/L 2/Weeks Composite Effluent
Dissolved Oxygen Daily average not less than 5.0 mg/L Daily Grab Effluent
Fecal Coliform 200/100 mL 400/100 mL 2/Weeks Grab Effluent
(geometric mean)
Total Residual Chlorine3 28.0 µg/L Daily Grab Effluent
Temperature Daily Grab Effluent
pH Between 6.0 and 9.0 Standard Units Daily Grab Effluent
Conductivity Daily Grab Effluent
Total Nitrogen Weekly Composite Effluent
(NOS+NO3+TKN) Monitor and Report(mg/L)
Total Kjeldahl Nitrogen Weekly Composite Effluent
(TKN) Monitor and Report(mg/L)
Nitrite/Nitrate Nitrogen Monitor and Report(mg/L) Weekly Composite Effluent
(NO2-N+NO3-N)
Total Phosphorus Monitor and Report(mg/L) Weekly Composite Effluent
Total Copper(pg/L) Monthly Composite Effluent
Total Zinc (µg/L) Monthly Composite Effluent
Total Nitrogen (TN)Load7 Monitor and Report,pounds/month Monthly Calculated Effluent
52,054 pounds/years Annually
Total Phosphorus (TP) Monitor and Report,pounds/month Monthly Calculated Effluent
Load7 9,407 pounds/year8 Annually
Acute Toxicity 4 Quarterly Composite Effluent
Effluent Pollutant Scan Monitor and Report see A. (7.) see A. (7.) Effluent
Footnotes:
1. See condition A. (2) of this permit for instream monitoring requirements.
2. The monthly average BOD5 and Total Suspended Solids concentrations shall not exceed 15% of the respective
influent value (85%removal).
3. The Division shall consider all effluent TRC values reported below 50 µg/L to be in compliance with this permit.
However,you shall continue to record and submit all values reported by a North Carolina certified laboratory
(including field certified),even if these values fall below 50 µg/L.
Page 3 of 11

Permit No. NC0020648
4. Acute Toxicity (Pimephales promelas) @ 90%, February,May,August and November [see A. (6)].
5. The sampling shall be conducted on any two non-consecutive days during the calendar week.
6. No later than December 21,2016, begin submitting Discharge Monitoring Reports electronically using NC
DWR's eDMR application system [see A. (8)].
7. TN or TP Load is the mass quantity of Total Nitrogen or Total Phosphorus discharged in a given period of time
[see A. (3)].
8. Compliance with mass limits shall be determined in accordance with condition A. (4).
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR FOAM IN OTHER THAN TRACE AMOUNTS.
A. (2) INSTREAM MONITORING REQUIREMENTS
[15A NCAC 02B .0500 et seq.]
Instream monitoring is required for the following parameters at the locations specified:
Sample
PARAME 1rR Measuremen
t Frequency
ncY Sample Type
Location
June-September 3/week
Fecal Coliform Grab U, D
October-May 1/week
June-September 3/week
Dissolved Oxygen Grab U,D
October-May 1/week
June-September 3/week
Temperature - Grab U,D
October-May 1/week
June-September 3/week
Conductivity Grab U, D
October-May 1/week
Footnotes:
1. U -Upstream at Grimesland Bridge. D- Downstream at NC Highway 17.
Due to the membership in the Tar-Pamlico Basin Association,instream monitoring required by this permit is
provisionally waived. Should your membership in the Association be terminated,you shall notify the Division
immediately and the instream monitoring requirements specified in your permit shall be reinstated.
A. (3) CALCULATION OF TOTAL NITROGEN AND TOTAL PHOSPHORUS LOADS
[G.S. 143-215.1(b)]
(a.) The Permittee shall calculate monthly and annual TN Loads as follows:
(i.) Monthly TN (or TP)Load (pounds/month) = TN (or TP) x TMF x 8.34
where:
TN or TP = the average Total Nitrogen or Total Phosphorus concentration (mg/L) of
the composite samples collected during the month
TMF = the Total Monthly Flow of wastewater discharged during the month
(MG/month)
8.34 = conversion factor, from (mg/L x MG) to pounds
Page 4of11

Permit No. NC0020648
(ii.) Annual TN (or TP) Load (pounds/year) = Sum of the 12 Monthly TN (or TP) Loads for the calendar
year
(b.) The Permittee shall report monthly Total Nitrogen and Total Phosphorus results (mg/L and pounds/month) in
the appropriate discharge monitoring report for each month and shall report each calendar year's results
(pounds/year)with the December report for that year.
A. (4) ANNUAL LIMITS FOR TOTAL NITROGEN OR TOTAL PHOSPHORUS
[G.S.142-125.1(b)]
(a.) Total Nitrogen (TN) and Total Phosphorus (1'1') allocations and load limits for NPDES dischargers in the Tar-
Pamlico River basin are annual limits and apply on a calendar year basis.
(b.) For any given calendar year, the Permittee shall be in compliance with the annual TN (or TP)Load limit in this
Permit if:
(i.) the Permittee's annual TN (or TP) Load is less than or equal to the effective limit,or
(ii.) the Permittee is a Co-Permittee Member of a compliance association.
(c.) If the Permittee is not a co-permittee member of a compliance association and the Permittee's cumulative
annual TN (or TP) discharge exceeds the effective TN (or TP) Load limit in this permit at any point during the
calendar year,the Permittee is in violation of its TN (or TP)Load limit for the remainder of the calendar year,
and each day of continuing violation shall constitute a separate violation. Compliance with annual limits shall be
determined separately for each calendar year,and an exceedance in one year does not carry forward to
subsequent years.
(d.) The TN (or TP) Load limit in this Permit(if any)may be modified as the result of allowable changes in the
Permittee's allocations.
(i.) Allowable changes include those resulting from purchase of TN (or TP) allocation from an authorized
mitigation banker, the Ecosystem Enhancement Program,or other source allowed under applicable
regulations;purchase,sale,trade,or lease of allocation between the Permittee and other dischargers;and
other transactions approved by the Division and consistent with the Tar-Pamlico River Basin Association
Agreement,as revised.
(ii.) The Permittee may request a modification of the TN (or TP)Load limit in this Permit to reflect allowable
changes in its allocation(s). Upon receipt of timely and proper application,the Division will modify the
permit as appropriate and in accordance with state and federal program requirements.
(iii.) Changes in TN (or TP)limits become effective on January 1 of the year following permit modification.
The Division must receive application no later than August 31 for changes proposed for the following
calendar year.
(iv.) Application shall be sent to:
NCDWR/Wastewater Permits Section
Attn:Tar-Pamlico River Basin Coordinator
1617 Mail Service Center
Raleigh,NC 27699-1617
(e.) If the Permittee is a member and co-permittee of an approved compliance association on January 1 of a given
year,its TN and TP discharges during that year are governed by that association's group NPDES permit and
the limits therein.
(i.) The Permittee shall be considered a Co-Permittee Member for any given calendar year in which it is
identified as such in Appendix A of the association's group NPDES permit.
(iii.) Association roster(s) and members'TN and TP allocations will be updated annually and in accordance
with state and federal program requirements.
Page 5of11

Permit No. NC0020648
(iv.) If the Permittee intends to join or leave a compliance association, the Division must be notified of the
proposed action in accordance with the procedures defined in the association's NPDES permit.
(A.) Upon receipt of timely and proper notification, the Division will modify the permit as appropriate
and in accordance with state and federal program requirements.
(B.) Membership changes in a compliance association become effective on January 1 of the year
following modification of the association's permit.
(f.) The TN and TP monitoring and reporting requirements in this Permit remain in effect throughout the term of
the Permit and are not affected by the Permittee's membership in a compliance association.
A. (5.) NUTRIENT ALLOCATIONS
[G.S.143-125.1(b)]
(a.) Total Nitrogen (TN) and Total Phosphorus (1P) allocations represent the maximum TN and TP loads that a
discharger or group of dischargers is potentially allowed under the Tar-Pamlico nutrient management strategy.
1 limits but are the basis for TN and TP limits established in individual or group
are not enforceable g P
NPDES permits.
(b.) The allocations originally assigned to the Tar-Pamlico Basin Association members total 891,271 pounds/year
(404,274 kg/year)TN and 161,070 pounds/year (73,060 kg/year) TP.These group allocations have been
divided among the members in proportion to the maximum permitted flow in each member's permit; that is,
Individual Permitted Flow (MGD)
Individual Allocation (TN or TP) = x Group Allocation,TPBA (TN or TP)
Total Permitted Flow,TPBA (MGD)
For the purposes of this distribution,individual permitted flows for the Association members are those in
effect as of July 2014 and result in a Total Permitted Flow of 62.495 MGD.
(c.) The following table lists,for information purposes only, the TN and TP allocations assigned to,acquired by,or
transferred to the Permittee in accordance with the Tar-Pamlico River Basin Phase IV Agreement.Applicable
TN or TP limits are established in the Effluent Limitations conditions of this permit or in the NPDES permit
of a compliance association of which the Permittee is a Co-Permittee Member.
ALLOCATION ALLOCATION AMOUNT (1)
TYPE SOURCE DATE STATUS
(pounds/year) (kg/year)
Tar-Pamlico River
Total Nitrogen Basin Phase IV 7/9/2015 52,054 23,611 Active
Agreement
Total Tar-Pamlico River
Phosphorus Basin Phase IV 7/9/2015 9,407 4,267 Active
Agreement
(d.) Any addition, deletion, or modification of the listed allocation(s) (other than to correct typographical errors) or
any change from Reserve to Active status of any of the listed allocations shall be considered a major
modification of this permit and shall be subject to the public review process afforded such modifications under
state and federal rules.
Page 6 of 11

Permit No. NC0020648
A. (6) ACUTE TOXICITY PASS/FAIL PERMIT LIMIT (QUARTERLY)
[15A NCAC 02B .0200 et seq.]
The permittee shall conduct acute toxicity tests on a quarterly basis using protocols defined in the North Carolina
Procedure Document entitled "Pass/Fail Methodology for Determining Acute Toxicity in a Single Effluent
Concentration" (Revised July, 1992 or subsequent versions).The monitoring shall be performed as a Fathead Minnow
(Pimephales promelas) 24 hour static test. The effluent concentration at which there may be at no time significant acute
mortality is 90% (defined as treatment two in the procedure document). Effluent samples for self-monitoring
purposes must be obtained during representative effluent discharge below all waste treatment. The tests will be
performed during the months of February,May,August and November.
All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge
Monitoring Form (MR-1) for the month in which it was performed,using the parameter code TGE6C.Additionally,
DWR Form AT-2 (original)is to be sent to the following address:
Attention: North Carolina Division of Water Resources
Water Sciences Section
1623 Mail Service Center
Raleigh,North Carolina 27699-1623
Completed Aquatic Toxicity Test Forms shall be filed with the Water Sciences Section no later than 30 days after the
end of the reporting period for which the report is made.
Test data shall be complete and accurate and include all supporting chemical/physical measurements performed in
association with the toxicity tests,as well as all dose/response data.Total residual chlorine of the effluent toxicity
sample must be measured and reported if chlorine is employed for disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month in which toxicity monitoring is required,the
permittee will complete the information located at the top of the aquatic toxicity(AT)test form indicating the facility
name,permit number,pipe number,county,and the month/year of the report with the notation of"No Flow"in the
comment area of the form. The report shall be submitted to the Water Sciences Section at the address cited above.
Should any single quarterly monitoring indicate a failure to meet specified limits,then monthly monitoring will begin
immediately until such time that a single test is passed.Upon passing,this monthly test requirement will revert to
quarterly in the months specified above. Should the permittee fail to monitor during a month in which toxicity
monitoring is required, then monthly monitoring will begin immediately until such time that a single test is passed.
Upon passing,this monthly test requirement will revert to quarterly in the months specified above.
Should any test data from either these monitoring requirements or tests performed by the North Carolina Division of
Water Resources indicate potential impacts to the receiving stream,this permit may be re-opened and modified to
include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism
survival and appropriate environmental controls, shall constitute an invalid test and will require immediate follow-up
testing to be completed no later than the last day of the month following the month of the initial monitoring.
Page 7 of 11

Permit No. NC0020648
A. 7 EFFLUENT POLLUTANT SCAN
[G.S. 143-215.1(b)]
The Permittee shall perform a total of three (3) Effluent Pollutant Scans for all parameters listed below. One scan must
be performed in each of the following years: 2017, 2018,and 2019. Analytical methods shall be in accordance with 40
CFR Part 136 and shall be sufficiently sensitive to determine whether parameters are present in concentrations greater
than applicable standards and criteria. Samples should be collected with one quarterly toxicity test each year,and must
represent seasonal variation [i.e.,do not sample in the same quarter every year]. Unless otherwise indicated,metals shall
be analyzed as "total recoverable."
Ammonia(as N) Trans-1,2-dichloroethylene Bis(2-chloroethyl)ether
Chlorine(total residual,TRC) 1,1-dichloroethylene Bis(2-chloroisopropyl)ether
Dissolved oxygen 1,2-dichloropropane Bis(2-ethylhexyl)phthalate
Nitrate/Nitrite 1,3-dichloropropylene 4-bromophenyl phenyl ether
Kjeldahl nitrogen Ethylbenzene Butyl benzyl phthalate
Oil and grease Methyl bromide 2-chloronaphthalene
Phosphorus Methyl chloride 4-chlorophenyl phenyl ether
Total dissolved solids Methylene chloride Chrysene
Hardness 1,1,2,2-tetrachloroethane Di-n-butyl phthalate
Antimony Tetrachloroethylene Di-n-octyl phthalate
Arsenic Toluene Dibenzo(a,h)anthracene
Beryllium 1,1,1-trichloroethane 1,2-dichlorobenzene
Cadmium 1,1,2-trichloroethane 1,3-dichlorobenzene
Chromium Trichloroethylene 1,4-dichlorobenzene
Copper Vinyl chloride 3,3-dichlorobenzidine
Lead Acid-extractable compounds: Diethyl phthalate
Mercury(EPA Method 1631E) P-chloro-m-cresol Dimethyl phthalate
Nickel 2-chlorophenol 2,4-dinitrotoluene
Selenium 2,4-dichlorophenol 2,6-dinitrotoluene
Silver 2,4-dimethylphenol 1,2-diphenylhydrazine
Thallium 4,6-dinitro-o-cresol Fluoranthene
Zinc 2,4-dinitrophenol Fluorene
Cyanide 2-nitrophenol Hexachlorobenzene
Total phenolic compounds 4-nitrophenol Hexachlorobutadiene
Volatile organic compounds: Pentachlorophenol Hexachlorocyclo-pentadiene
Acrolein Phenol Hexachloroethane
Acrylonitrile 2,4,6-trichlorophenol Indeno(1,2,3-cd)pyrene
Benzene Base-neutral compounds: Isophorone
Bromoform Acenaphthene Naphthalene
Carbon tetrachloride Acenaphthylene Nitrobenzene
Chlorobenzene Anthracene N-nitrosodi-n-propylamine
Chlorodibromomethane Benzidine N-nitrosodimethylamine
Chloroethane Benzo(a)anthracene N-nitrosodiphenylamine
2-chloroethylvinyl ether Benzo(a)pyrene Phenanthrene
Chloroform 3,4 benzofluoranthene Pyrene
Dichlorobromomethane Benzo(ghi)perylene 1,2,4-tichlorobenzene
1,1-dichloroethane Benzo(k)fluoranthene
1,2-dichloroethane Bis(2-chloroethoxy)methane
Reporting. Test results shall be reported on DWR Form-A MR-PPA1 (or in a form approved by the Director) by
December 31st of each designated sampling year. The report shall be submitted to the following address:NC DEQ /
DWR/ Central Files,1617 Mail Service Center, Raleigh,North Carolina 27699-1617.
Page 8 of 11

Permit No. NC0020648
•
Additional Toxicity Testing Requirements for Municipal Permit Renewals. Please note that Municipal facilities
that are subject to the Effluent Pollutant Scan requirements listed above are also subject to additional toxicity testing
requirements specified in Federal Regulation 40 CFR 122.21(j)(5). The US EPA requires four(4) toxicity tests for a
test organism other than the test species currently required in this permit. The multiple species tests should be
conducted either quarterly for a 12-month period prior to submittal of the permit renewal application,or four tests
performed at least annually in the four and one half year period prior to the application. These tests shall be
performed for acute or chronic toxicity,whichever is specified in this permit. The multiple species toxicity test results
shall be filed with the Aquatic Toxicology Branch at the following address:
North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch
1623 Mail Service Center
Raleigh, North Carolina 27699-1623
Contact the Division's Aquatic Toxicology Branch at 919-743-8401 for guidance on conducting the additional toxicity
tests and reporting requirements. Results should also be summarized in Part E (Toxicity Testing Data)of EPA
Municipal Application Form 2A,when submitting the permit renewal application to the NPDES Permitting Unit.
A. (8) ELECTRONIC REPORTING OF DISCHARGE MONITORING REPORTS
[G.S. 143-215.1(b)]
Federal regulations require electronic submittal of all discharge monitoring reports (DMRs) and program reports and
specify that,if a state does not establish a system to receive such submittals, then permittees must submit monitoring
data and reports electronically to the Environmental Protection Agency (EPA). The final NPDES Electronic
Reporting Rule was adopted and became effective on December 21,2015.
NO l'E: This special condition supplements or supersedes the following sections within Part II of this permit
(Standard Conditions for NPDES Permits):
• Section B. (11.) Signatory Requirements
• Section D. (2.) Reporting
• Section D. (6.) Records Retention
• Section E. (5.) Monitoring Reports
1. Reporting Requirements [Supersedes Section D. (2.) and Section E. (5.) (a)]
Effective December 21,2016, the permittee shall report discharge monitoring data electronically using the NC
DWR's Electronic Discharge Monitoring Report (eDMR) internet application.
Monitoring results obtained during the previous month(s) shall be summarized for each month and submitted
permitted facilities to enter monitoringdata and submit
electronicallyusingeDMR. The eDMR system allows
Y
DMRs electronically using the internet. Until such time that the state's eDMR application is compliant with
EPA's Cross-Media Electronic Reporting Regulation (CROMERR),permittees will be required to submit all
discharge monitoring data to the state electronically using eDMR and will be required to complete the eDMR
submission by printing, signing,and submitting one signed original and a copy of the computer printed eDMR to
the following address:
NC DEQ / Division of Water Resources /Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Page 9 of 11

• Permit No. NC0020648
If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the facility being
physically located in an area where less than 10 percent of the households have broadband access,then a
temporary waiver from the NPDES electronic reporting requirements may be granted and discharge monitoring
data may be submitted on paper DMR forms (MR 1, 1.1,2,3) or alternative forms approved by the Director.
Duplicate signed copies shall be submitted to the mailing address above. See"How to Request a Waiver from
Electronic Reporting" section below.
Regardless of the submission method, the first DMR is due on the last day of the month following the issuance of
the permit or in the case of a new facility,on the last day of the month following the commencement of
discharge.
Starting on December 21,2020,the permittee must electronically report the following compliance monitoring
data and reports,when applicable:
• Sewer Overflow/Bypass Event Reports;
• Pretreatment Program Annual Reports;and
• Clean Water Act (CWA) Section 316(b)Annual Reports.
The permittee may seek an electronic reporting waiver from the Division (see "How to Request a Waiver from
Electronic Reporting" section below).
2. Electronic Submissions
In accordance with 40 CFR 122.41(1)(9), the permittee must identify the initial recipient at the time of each
electronic submission. The permittee should use the EPA's website resources to identify the initial recipient for
the electronic submission.
Initial recipient of electronic NPDES information from NPDES-regulated facilities means the entity (EPA or the
state authorized by EPA to implement the NPDES program) that is the designated entity for receiving electronic
NPDES data [see 40 CFR 127.2(b)].
EPA plans to establish a website that will also link to the appropriate electronic reporting tool for each type of
electronic submission and for each state. Instructions on how to access and use the appropriate electronic
reporting tool will be available as well. Information on EPA's NPDES Electronic Reporting Rule is found at:
http://vtiww2.cpa ov/compliance/final-nationalpollutant-discharge-elimination-system-npdes-electronic-
reporting-rule.
Electronic submissions must start by the dates listed in the"Reporting Requirements" section above.
3. How to Request a Waiver from Electronic Reporting
The permittee may seek a temporary electronic reporting waiver from the Division. To obtain an electronic
reporting waiver,a permittee must first submit an electronic reporting waiver request to the Division. Requests
for temporary electronic reporting waivers must be submitted in writing to the Division for written approval at
least sixty (60) days prior to the date the facility would be required under this permit to begin submitting
monitoring data and reports. The duration of a temporary waiver shall not exceed 5 years and shall thereupon
expire. At such time, monitoring data and reports shall be submitted electronically to the Division unless the
permittee re-applies for and is granted a new temporary electronic reporting waiver by the Division. Approved
electronic reporting waivers are not transferrable. Only permittees with an approved reporting waiver request
may submit monitoring data and reports on paper to the Division for the period that the approved reporting
waiver request is effective.
Page 10 of 11

Permit No. NC0020648
Information on eDMR and the application for a temporary electronic reporting waiver are found on the following
web page:
http://deq.nc.gov/about/divisions/water-resources/edmr
4. Signatory Requirements [Supplements Section B. (11.) (b) and Supersedes Section B. (11.) (d)]
'7 All eDMRs submitted to the permit issuing authority shall be signed by a person described in Part II,Section B.
(11.)(a) or by a duly authorized representative of that person as described in Part II,Section B. (11.)(b). A person,
and not a position, must be delegated signatory authority for eDMR reporting purposes.
For eDMR submissions, the person signing and submitting the DMR must obtain an eDMR user account and
login credentials to access the eDMR system. For more information on North Carolina's eDMR system,
registering for eDMR and obtaining an eDMR user account,please visit the following web page:
http://deq.nc.gov/about/divisions/water-resources/edmr
Certification. Any person submitting an electronic DMR using the state's eDMR system shall make the following
certification [40 CFR 122.22]. NO OTHER STA I'EMENTS OF CERTIFICATION WILL BE ACCEPTED:
"I certi,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 dirrctly 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."
5. Records Retention [Supplements Section D. (6.)]
The permittee shall retain records of all Discharge Monitoring Reports,including eDMR submissions. These
records or copies shall be maintained for a period of at least 3 years from the date of the report. This period may
be extended by request of the Director at any time [40 CFR 122.41].
Page 11 of 11

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NC0020648
City of Washington WWTP Facility X
Location
USGS Quad: Washington,N.C. Latitude: 35°35'54"
8-Digit HUC: 03020103 Longitude: 77°04'21" Beaufort County
Receiving Stream: Tar River River Basin: Tar-Pamlico
Stream Class: C-NSW Sub-Basin: 03-03-07 Nati l Map not to scale

NPDES Permit Standard Conditions
Page l of 18
•
PART II
STANDARD CONDITIONS FOR NPDES PERMITS
Section A. Definitions
2/Month
Samples are collected twice per month with at least ten calendar days between sampling events.These samples shall be
representative of the wastewater discharged during the sample period.
3/Week
Samples are collected three times per week on three separate calendar days.These samples shall be representative of
the wastewater discharged during the sample period.
Act or"the Act"
The Federal Water Pollution Control Act,also known as the Clean Water Act(CWA),as amended,33 USC 1251,et.
seq.
Annual Average
The arithmetic mean of all "daily discharges"of a pollutant measured during the calendar year. In the case of fecal
coliform,the geometric mean of such discharges.
Arithmetic Mean
The summation of the individual values divided by the number of individual values.
Bypass
The known diversion of waste streams from any portion of a treatment facility including the collection system,which is
not a designed or established or operating mode for the facility.
Calendar Dav
The period from midnight of one day until midnight of the next day.However,for purposes of this permit,any
consecutive 24-hour period that reasonably represents the calendar day may be used for sampling.
Calendar Week
The period from Sunday through the following Saturday.
Calendar Quarter
One of the following distinct periods:January through March,April through June,July through September,and
October through December.
Composite Sample
A sample collected over a 24-hour period by continuous sampling or combining grab samples of at least 100 mL in
such a manner as to result in a total sample representative of the wastewater discharge during the sample period.The
Director may designate the most appropriate method(specific number and size of aliquots necessary,the time interval
between grab samples,etc.)on a case-by-case basis. Samples may be collected manually or automatically.Composite
samples may be obtained by the following methods:
(1) Continuous: a single,continuous sample collected over a 24-hour period proportional to the rate of flow.
(2) Constant time/variable volume:a series of grab samples collected at equal time intervals over a 24 hour period
of discharge and combined proportional to the rate of flow measured at the time of individual sample
collection,or
(3) Variable time/constant volume:a series of grab samples of equal volume collected over a 24 hour period with
the time intervals between samples determined by a preset number of gallons passing the sampling point.Flow
measurement between sample intervals shall be determined by use of a flow recorder and totalizer,and the
preset gallon interval between sample collection fixed at no greater than 1/24 of the expected total daily flow at
the treatment system,or
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(4) Constant time/constant volume:a series of grab samples of equal volume collected over a 24-hour period at a
constant time interval.Use of this method requires prior approval by the Director.This method may only be
used in situations where effluent flow rates vary less than 15 percent. The following restrictions also apply:
➢ Influent and effluent grab samples shall be of equal size and of no less than 100 milliliters
> Influent samples shall not be collected more than once per hour.
> Permittees with wastewater treatment systems whose detention time<24 hours shall collect effluent grab
samples at intervals of no greater than 20 minutes apart during any 24-hour period.
> Permittees with wastewater treatment systems whose detention time exceeds 24 hours shall collect effluent
grab samples at least every six hours;there must be a minimum of four samples during a 24-hour sampling
period.
Continuous flow measurement
Flow monitoring that occurs without interruption throughout the operating hours of the facility. Flow shall be
monitored continually except for the infrequent times when there may be no flow or for infrequent maintenance
activities on the flow device.
Daily Discharge
The discharge of a pollutant measured during a calendar day or any 24-hour period that reasonably represents the
calendar day for purposes of sampling.For pollutants measured in units of mass,the"daily discharge"is calculated as
the total mass of the pollutant discharged over the day.For pollutants expressed in other units of measurement,the
"daily discharge"is calculated as the average measurement of the pollutant over the day. (40 CFR 122.2;see also
"Composite Sample,"above.)
Daily Maximum
The highest"daily discharge"during the calendar month.
Daily Sampling
Parameters requiring daily sampling shall be sampled 5 out of every 7 days per week unless otherwise specified in the
permit. Sampling shall be conducted on weekdays except where holidays or other disruptions of normal operations
prevent weekday sampling. If sampling is required for all seven days of the week for any permit parameter(s),that
requirement will be so noted on the Effluent Limitations and Monitoring Page(s).
DWR or"the Division"
The Division of Water Resources,Department of Environment and Natural Resources.
Effluent
Wastewater discharged following all treatment processes from a water pollution control facility or other point source
whether treated or untreated.
EMC
The North Carolina Environmental Management Commission
EPA
The United States Environmental Protection Agency
Facility Closure
Cessation of all activities that require coverage under this NPDES permit.Completion of facility closure will allow this
permit to be rescinded.
Geometric Mean
The Nth root of the product of the individual values where N=the number of individual values. For purposes of
calculating the geometric mean,values of"0"(or"<[detection level]")shall be considered= 1.
Grab Sample
Individual samples of at least 100 mL collected over a period of time not exceeding 15 minutes.Grab samples can be
collected manually. Grab samples must be representative of the discharge(or the receiving stream,for instream
samples).
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f
• NPDES Permit Standard Conditions
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•
Hazardous Substance
Any substance designated under 40 CFR Part 116 pursuant to Section 311 of the CWA.
Instantaneous flow measurement
The flow measured during the minimum time required for the flow measuring device or method to produce a result in
that instance.To the extent practical,instantaneous flow measurements coincide with the collection of any grab
samples required for the same sampling period so that together the samples and flow are representative of the discharge
during that sampling period.
Monthly Average(concentration limit)
The arithmetic mean of all"daily discharges"of a pollutant measured during the calendar month. In the case of fecal
coliform or other bacterial parameters or indicators,the geometric mean of such discharges.
Permit Issuing Authority
The Director of the Division of Water Resources.
Quarterly Average(concentration limit)
The arithmetic mean of all samples taken over a calendar quarter.
Severe property damage
Substantial physical damage to property,damage to the treatment facilities which causes them to become inoperable,or
substantial and permanent loss of natural resources which can reasonably be expected to occur in the absence of a
bypass. Severe property damage excludes economic loss caused by delays in production.
Toxic Pollutant:
Any pollutant listed as toxic under Section 307(a)(1)of the CWA.
Upset
An incident beyond the reasonable control of the Permittee causing unintentional and temporary noncompliance with
permit effluent limitations and/or monitoring requirements.An upset does not include noncompliance caused by
operational error,improperly designed treatment facilities,inadequate treatment facilities,lack of preventive
maintenance,or careless or improper operation.
Weekly Average(concentration limit)
The arithmetic mean of all"daily discharges"of a pollutant measured during the calendar week. In the case of fecal
coliform or other bacterial parameters or indicators,the geometric mean of such discharges.
Section B. General Conditions
1. Duty to Comply
The Permittee must comply with all conditions of this permit.Any permit noncompliance constitutes a violation of
the CWA and is grounds for enforcement action;for permit termination,revocation and reissuance,or
modification;or denial of a permit renewal application[40 CFR 122.41].
a. The Permittee shall comply with effluent standards or prohibitions established under section 307(a)of the
CWA for toxic pollutants and with standards for sewage sludge use or disposal established under section
405(d)of the CWA within the time provided in the regulations that establish these standards or prohibitions or
standards for sewage sludge use or disposal,even if the permit has not yet been modified to incorporate the
requirement.
b. The CWA provides that any person who violates section[s]301,302,306,307,308,318 or 405 of the Act,or
any permit condition or limitation implementing any such sections in a permit issued under section 402,or any
requirement imposed in a pretreatment program approved under sections 402(a)(3)or 402(b)(8)of the Act,is
subject to a civil penalty not to exceed$37,500 per day for each violation. [33 USC 1319(d)and 40 CFR
122.41(a)(2)]
c. The CWA provides that any person who negligently violates sections 301,302,306,307,308,318,or 405 of
the Act,or any condition or limitation implementing any of such sections in a permit issued under section 402
of the Act,or any requirement imposed in a pretreatment program approved under section 402(a)(3)or
402(b)(8)of the Act,is subject to criminal penalties of$2,500 to$25,000 per day of violation,or
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imprisonment of not more than 1 year,or both.In the case of a second or subsequent conviction for a negligent
violation,a person shall be subject to criminal penalties of not more than$50,000 per day of violation,or by
imprisonment of not more than 2 years,or both. [33 USC 1319(c)(1)and 40 CFR 122.41(a)(2)]
d. Any person who knowingly violates such sections,or such conditions or limitations is subject to criminal
penalties of$5,000 to$50,000 per day of violation,or imprisonment for not more than 3 years,or both. In the
case of a second or subsequent conviction for a knowing violation,a person shall be subject to criminal
penalties of not more than$100,000 per day of violation,or imprisonment of not more than 6 years,or both.
[33 USC 1319(c)(2)and 40 CFR 122.41(a)(2)]
e. Any person who knowingly violates section 301,302,303,306,307,308,318 or 405 of the Act,or any permit
condition or limitation implementing any of such sections in a permit issued under section 402 of the Act,and
who knows at that time that he thereby places another person in imminent danger of death or serious bodily
injury,shall,upon conviction,be subject to a fine of not more than$250,000 or imprisonment of not more than
15 years,or both.In the case of a second or subsequent conviction for a knowing endangerment violation,a
person shall be subject to a fine of not more than$500,000 or by imprisonment of not more than 30 years,or
both.An organization,as defined in section 309(c)(3)(B)(iii)of the CWA,shall,upon conviction of violating
the imminent danger provision,be subject to a fine of not more than$1,000,000 and can be fined up to
$2,000,000 for second or subsequent convictions. [40 CFR 122.41(a)(2)]
f. Under state law,a civil penalty of not more than$25,000 per violation may be assessed against any person
who violates or fails to act in accordance with the terms,conditions,or requirements of a permit. [North
Carolina General Statutes§ 143-215.6A]
g. Any person may be assessed an administrative penalty by the Administrator for violating section 301,302,
306,307,308,318 or 405 of this Act,or any permit condition or limitation implementing any of such sections
in a permit issued under section 402 of this Act.Administrative penalties for Class I violations are not to
exceed$16,000 per violation,with the maximum amount of any Class I penalty assessed not to exceed
$37,500.Penalties for Class II violations are not to exceed$16,000 per day for each day during which the
violation continues,with the maximum amount of any Class II penalty not to exceed$177,500. [33 USC
1319(g)(2)and 40 CFR 122.41(a)(3)]
2. Duty to Mitigate
The Permittee shall take all reasonable steps to minimize or prevent any discharge or sludge use or disposal in
violation of this permit with a reasonable likelihood of adversely affecting human health or the environment[40
CFR 122.41(d)].
3. Civil and Criminal Liability
Except as provided in permit conditions on"Bypassing"(Part I1.C.4),"Upsets"(Part II.C.5)and"Power Failures"
(Part II.C.7),nothing in this permit shall be construed to relieve the Permittee from any responsibilities,liabilities,
or penalties for noncompliance pursuant to NCGS 143-215.3, 143-215.6 or Section 309 of the Federal Act,33 USC
1319.Furthermore,the Permittee is responsible for consequential damages,such as fish kills,even though the
responsibility for effective compliance may be temporarily suspended.
4. Oil and Hazardous Substance Liability
Nothing in this permit shall be construed to preclude the institution of any legal action or relieve the Permittee
from any responsibilities,liabilities,or penalties to which the Permittee is or may be subject to under NCGS 143-
215.75 et seq.or Section 311 of the Federal Act,33 USG 1321.Furthermore,the Permittee is responsible for
consequential damages,such as fish kills,even though the responsibility for effective compliance may be
temporarily suspended.
5. Property Rights
The issuance of this permit does not convey any property rights in either real or personal property,or any exclusive
privileges,nor does it authorize any injury to private property or any invasion of personal rights,nor any
infringement of Federal, State or local laws or regulations[40 CFR 122.41(g)].
6. Onshore or Offshore Construction
This permit does not authorize or approve the construction of any onshore or offshore physical structures or
facilities or the undertaking of any work in any navigable waters.
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7. Severability
The provisions of this permit are severable.If any provision of this permit,or the application of any provision of
this permit to any circumstances,is held invalid,the application of such provision to other circumstances,and the
remainder of this permit,shall not be affected thereby[NCGS 15OB-23].
8. Duty to Provide Information
The Permittee shall furnish to the Permit Issuing Authority,within a reasonable time,any information which the
Permit Issuing Authority may request to determine whether cause exists for modifying,revoking and reissuing,or
terminating this permit or to determine compliance with this permit.The Permittee shall also furnish to the Permit
Issuing Authority upon request,copies of records required by this permit[40 CFR 122.41(h)].
9. Duty to Reapply
If the Permittee wishes to continue an activity regulated by this permit after the expiration date of this permit,the
Permittee must apply for and obtain a new permit[40 CFR 122.41(b)].
10. Expiration of Permit
The Permittee is not authorized to discharge after the expiration date.In order to receive automatic authorization to
discharge beyond the expiration date,the Permittee shall submit such information,forms,and fees as are required
by the agency authorized to issue permits no later than 180 days prior to the expiration date unless permission for a
later date has been granted by the Director.(The Director shall not grant permission for applications to be
submitted later than the expiration date of the existing permit.)[40 CFR 122.21(d)]Any Permittee that has not
requested renewalpriorexpiration,at least 180 days to ex iration,or any Permittee that does not have a permit after the
expiration and has not requested renewal at least 180 days prior to expiration,will subject the Permittee to
enforcement procedures as provided in NCGS 143-215.6 and 33 USC 1251 et. seq.
11. Signatory Requirements
All applications,reports,or information submitted to the Permit Issuing Authority shall be signed and certified[40
CFR 122.41(k)].
a. All permit applications shall be signed as follows:
(1) For a corporation: by a responsible corporate officer.For the purpose of this Section,a responsible
corporate officer means: (a)a president,secretary,treasurer or vice president of the corporation in charge
of a principal business function,or any other person who performs similar policy or decision making
functions for the corporation,or(b)the manager of one or more manufacturing,production,or operating
facilities,provided,the manager is authorized to make management decisions which govern the operation
of the regulated facility including having the explicit or implicit duty of making major capital investment
recommendations,and initiating and directing other comprehensive measures to assure long term
environmental compliance with environmental laws and regulations;the manager can ensure that the
necessary systems are established or actions taken to gather complete and accurate information for permit
application requirements;and where authority to sign documents has been assigned or delegated to the
manager in accordance with corporate procedures.
(2) For a partnership or sole proprietorship: by a general partner or the proprietor,respectively;or
(3) For a municipality,State,Federal,or other public agency: by either a principal executive officer or
ranking elected official[40 CFR 122.22].
b. All reports required by the permit and other information requested by the Permit Issuing Authority shall be
signed by a person described in paragraph a. above or by a duly authorized representative of that person.A
person is a duly authorized representative only if:
(1) The authorization is made in writing by a person described above;
(2) The authorization specified either an individual or a position having responsibility for the overall operation
of the regulated facility or activity,such as the position of plant manager,operator of a well or well field,
superintendent,a position of equivalent responsibility,or an individual or position having overall
responsibility for environmental matters for the company. (A duly authorized representative may thus be
either a named individual or any individual occupying a named position.);and
(3) The written authorization is submitted to the Permit Issuing Authority[40 CFR 122.22]
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c. Changes to authorization: If an authorization under paragraph(b)of this section is no longer accurate because
a different individual or position has responsibility for the overall operation of the facility,a new authorization
satisfying the requirements of paragraph(b)of this section must be submitted to the Director prior to or
together with any reports,information,or applications to be signed by an authorized representative [40 CFR
122.22]
d. Certification.Any person signing a document under paragraphs a. or b.of this section shall make the following
certification[40 CFR 122.22].NO OTHER STATEMENTS OF CERTIFICATION WILL BE ACCEPTED:
"I certifr, 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."
12. Permit Actions
This permit may be modified,revoked and reissued,or terminated for cause.The filing of a request by the
Permittee for a permit modification,revocation and reissuance,or termination,or a notification of planned changes
or anticipated noncompliance does not stay any permit condition[40 CFR 122.41(f)].
13. Permit Modification,Revocation and Reissuance,or Termination
The issuance of this permit does not prohibit the permit issuing authority from reopening and modifying the permit,
revoking and reissuing the permit,or terminating the permit as allowed by the laws,rules,and regulations
contained in Title 40,Code of Federal Regulations,Parts 122 and 123;Title 15A of the North Carolina
Administrative Code,Subchapter 02H.0100;and North Carolina General Statute 143.215.1 et. al.
14. Annual Administering and Compliance Monitoring Fee Requirements
The Permittee must pay the annual administering and compliance monitoring fee within thirty days after being
billed by the Division.Failure to pay the fee in a timely manner in accordance with 15A NCAC 02H .0105(b)(2)
may cause this Division to initiate action to revoke the permit.
Section C. Operation and Maintenance of Pollution Controls
1. Certified Operator
Owners of classified water pollution control systems must designate operators,certified by the Water Pollution
Control System Operators Certification Commission(WPCSOCC),of the appropriate type and grade for the
system,and,for each classification must[T15A NCAC 08G .0201]:
a. designate one Operator In Responsible Charge(ORC)who possesses a valid certificate of the type and grade at
least equivalent to the type and grade of the system;
b. designate one or more Back-up Operator(s)in Responsible Charge(Back-up ORCs)who possesses a valid
certificate of the type of the system and no more than one grade less than the grade of the system,with the
exception of no backup operator in responsible charge is required for systems whose minimum visitation
requirements are twice per year;and
c. submit a signed completed"Water Pollution Control System Operator Designation Form"to the Commission
(or to the local health department for owners of subsurface systems)countersigned by the designated certified
operators,designating the Operator in Responsible Charge(ORC)and the Back-up Operator in Responsible
Charge(Back-up ORC):
(1) 60 calendar days prior to wastewater or residuals being introduced into a new system;or
(2) within 120 calendar days following:
➢ receiving notification of a change in the classification of the system requiring the designation of a new
Operator in Responsible Charge(ORC)and Back-up Operator in Responsible Charge(Back-up ORC)
of the proper type and grade;or
➢ a vacancy in the position of Operator in Responsible Charge(ORC)or Back-up Operator in
Responsible Charge(Back-up ORC).
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(3) within seven calendar days of vacancies in both ORC and Back-up ORC positions replacing or designating
at least one of the responsibilities.
The ORC of each Class I facility(or the Back-up ORC,when acting as surrogate for the ORC)must:
> Visit the facility as often as is necessary to insure proper operation of the treatment system;the treatment
facility must be visited at least weekly
➢ Comply with all other conditions of 15A NCAC 08G.0204.
The ORC of each Class II,III and IV facility(or the Back-up ORC,when acting as surrogate for the ORC)must:
> Visit the facility as often as is necessary to insure proper operation of the treatment system;the treatment
facility must be visited at least five days per week,excluding holidays
> Properly manage and document daily operation and maintenance of the facility
➢ Comply with all other conditions of 15A NCAC 08G .0204.
2.
Proper Operation and Maintenance
P
The Permittee shall at all times properly operate and maintain all facilities and systems of treatment and control
(and related appurtenances)which are installed or used by the Permittee to achieve compliance with the conditions
of this permit.Proper operation and maintenance also includes adequate laboratory controls and appropriate quality
assurance procedures.This provision requires the Permittee to install and operate backup or auxiliary facilities only
when necessary to achieve compliance with the conditions of the permit[40 CFR 122.41(e)].
NOTE: Properly and officially designated operators are fully responsible for all proper operation and maintenance
of the facility,and all documentation required thereof,whether acting as a contract operator[subcontractor]or a
member of the Permittee's staff.
3. Need to Halt or Reduce not a Defense
It shall not be a defense for a Permittee in an enforcement action that it would have been necessary to halt or
reduce the permitted activity in order to maintain compliance with the condition of this permit[40 CFR 122.41(c)].
4. Bypassing of Treatment Facilities
a. Bypass not exceeding limitations[40 CFR 122.41(m)(2)]
The Permittee may allow any bypass to occur which does not cause effluent limitations to be exceeded,but
only if it also is for essential maintenance to assure efficient operation.These bypasses are not subject to the
provisions of Paragraphs b.and c. of this section.
b. Notice[40 CFR 122.41(m)(3)]
(1) Anticipated bypass.If the Permittee knows in advance of the need for a bypass,it shall submit prior notice,
if possible at least ten days before the date of the bypass;including an evaluation of the anticipated quality
and effect of the bypass.
(2) Unanticipated bypass. The Permittee shall submit notice of an unanticipated bypass as required in Part
II.E.6.(24-hour notice).
c. Prohibition of Bypass
(1) Bypass from the treatment facility is prohibited and the Permit Issuing Authority may take enforcement
action against a Permittee for bypass,unless:
(A) Bypass was unavoidable to prevent loss of life,personal injury or severe property damage;
(B) There were no feasible alternatives to the bypass,such as the use of auxiliary treatment facilities,
retention of untreated wastes or maintenance during normal periods of equipment downtime.This
condition is not satisfied if adequate backup equipment should have been installed in the exercise of
reasonable engineering judgment to prevent a bypass which occurred during normal periods of
equipment downtime or preventive maintenance;and
(C) The Permittee submitted notices as required under Paragraph b. of this section.
(2) Bypass from the collection system is prohibited and the Permit Issuing Authority may take enforcement
action against a Permittee for a bypass as provided in any current or future system-wide collection system
permit associated with the treatment facility.
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(3) The Permit Issuing Authority may approve an anticipated bypass,after considering its adverse effects,if
the Permit Issuing Authority determines that it will meet the three conditions listed above in Paragraph c.
(1)of this section.
5. Upsets
a. Effect of an upset[40 CFR 122.41(n)(2)]: An upset constitutes an affirmative defense to an action brought for
noncompliance with such technology based permit effluent limitations if the requirements of paragraph b.of
this condition are met.No determination made during administrative review of claims that noncompliance was
caused by upset,and before an action for noncompliance,is fmal administrative action subject to judicial
review.
b. Conditions necessary for a demonstration of upset:Any Permittee who wishes to establish the affirmative
defense of upset shall demonstrate,through properly signed,contemporaneous operating logs,or other relevant
evidence that:
(1)An upset occurred and that the Permittee can identify the cause(s)of the upset;
(2)The Permittee facility was at the time being properly operated;and
(3)The Permittee submitted notice of the upset as required in Part H.E.6.(b)of this permit.
(4)The Permittee complied with any remedial measures required under Part II.B.2.of this permit.
c. Burden of proof[40 CFR 122.41(n)(4)]: The Permittee seeking to establish the occurrence of an upset has
the burden of proof in any enforcement proceeding.
6. Removed Substances
Solids,sludges,filter backwash,or other pollutants removed in the course of treatment or control of wastewaters
shall be utilized/disposed of in accordance with NCGS 143-215.1 and in a manner such as to prevent any pollutant
from such materials from entering waters of the State or navigable waters of the United States except as permitted
by the Commission.The Permittee shall comply with all applicable state and Federal regulations governing the
disposal of sewage sludge,including 40 CFR 503, Standards for the Use and Disposal of Sewage Sludge;40 CFR
Part 258,Criteria For Municipal Solid Waste Landfills;and 15A NCAC Subchapter 2T,Waste Not Discharged To
Surface Waters.The Permittee shall notify the Permit Issuing Authority of any significant change in its sludge use
or disposal practices.
7. Power Failures
The Permittee is responsible for maintaining adequate safeguards(as required by 15A NCAC 02H.0124)to
prevent the discharge of untreated or inadequately treated wastes during electrical power failures either by means
of alternate power sources,standby generators or retention of inadequately treated effluent.
Section D. Monitorin¢and Records
1. Representative Sampling
Samples collected and measurements taken,as required herein,shall be representative of the permitted discharge.
Samples collected at a frequency less than daily shall be taken on a day and time that is representative of the
discharge for the period the sample represents.All samples shall be taken at the monitoring points specified in this
permit and,unless otherwise specified,before the effluent joins or is diluted by any other wastestream,body of
water,or substance.Monitoring points shall not be changed without notification to and the approval of the Permit
Issuing Authority[40 CFR 122.41(j)].
2. Reporting
Monitoring results obtained during the previous month(s)shall be summarized for each month and reported on a
monthly Discharge Monitoring Report(DMR)Form(MR 1, 1.1,2,3)or alternative forms approved by the
Director,postmarked no later than the last calendar day of the month following the completed reporting period.
The first DMR is due on the last day of the month following the issuance of the permit or in the case of a new
facility,on the last day of the month following the commencement of discharge.Duplicate signed copies of these,
and all other reports required herein,shall be submitted to the following address:
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•
NC DENR/Division of Water Resources/Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
3. Flow Measurements
Appropriate flow measurement devices and methods consistent with accepted scientific practices shall be selected
and used to ensure the accuracy and reliability of measurements of the volume of monitored discharges.The
devices shall be installed,calibrated and maintained to ensure that the accuracy of the measurements is consistent
with the accepted capability of that type of device.Devices selected shall be capable of measuring flows with a
maximum deviation of less than 10%from the true discharge rates throughout the range of expected discharge
volumes. Flow measurement devices shall be accurately calibrated at a minimum of once per year and maintained
to ensure that the accuracy of the measurements is consistent with the accepted capability of that type of device.
The Director shall approve the flow measurement device and monitoring location prior to installation.
Once-through condenser cooling water flow monitored by pump logs,or pump hour meters as specified in Part I of
this permit and based on the manufacturer's pump curves shall not be subject to this requirement.
4. Test Procedures
Laboratories used for sample analysis must be certified by the Division.Permittees should contact the Division's
Laboratory Certification Section(919 733-3908 or http://portal.ncdenr.org/web/wq/lab/cert)for information
regarding laboratory certifications.
Facilities whose personnel are conducting testing of field-certified parameters only must hold the appropriate field
parameter laboratory certifications.
Test procedures for the analysis of pollutants shall conform to the EMC regulations(published pursuant to NCGS
143-215.63 et. seq.),the Water and Air Quality Reporting Acts,and to regulations published pursuant to Section
304(g),33 USC 1314,of the CWA(as amended),and 40 CFR 136;or in the case of sludge use or disposal,
approved under 40 CFR 136,unless otherwise specified in 40 CFR 503,unless other test procedures have been
specified in this permit[40 CFR 122.411
To meet the intent of the monitoring required by this permit,all test procedures must produce minimum detection
and reporting levels that are below the permit discharge requirements and all data generated must be reported down
to the minimum detection or lower reporting level of the procedure.If no approved methods are determined
capable of achieving minimum detection and reporting levels below permit discharge requirements,then the most
sensitive(method with the lowest possible detection and reporting level)approved method must be used.
5. Penalties for Tampering
The CWA provides that anyperson who falsifies,tampers with,or knowingly renders inaccurate,any monitoring
upon or method required to be maintained under this permit shall conviction,be punished by a fine of not
more than$10,000 per violation,or by imprisonment for not more than two years per violation,or by both.If a
conviction of a person is for a violation committed after a first conviction of such person under this paragraph,
punishment is a fine of not more than$20,000 per day of violation,or by imprisonment of not more than 4 years,
or both[40 CFR 122.41].
6. Records Retention
Except for records of monitoring information required by this permit related to the Permittee's sewage sludge use
and disposal activities,which shall be retained for a period of at least five years(or longer as required by 40 CFR
503),the Permittee shall retain records of all monitoring information,including:
➢ all calibration and maintenance records
➢ all original strip chart recordings for continuous monitoring instrumentation
➢ copies of all reports required by this permit
➢ copies of all data used to complete the application for this permit
These records or copies shall be maintained for a period of at least 3 years from the date of the sample,
measurement,report or application.This period may be extended by request of the Director at any time[40 CFR
122.41].
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7. Recording Results
For each measurement or sample taken pursuant to the requirements of this permit,the Permittee shall record the
following information[40 CFR 122.41]:
a. The date,exact place,and time of sampling or measurements;
b. The individual(s)who performed the sampling or measurements;
c. The date(s)analyses were performed;
d. The individual(s)who performed the analyses;
e. The analytical techniques or methods used;and
f. The results of such analyses.
8. Inspection and Entry
The Permittee shall allow the Director,or an authorized representative(including an authorized contractor acting as
a representative of the Director),upon the presentation of credentials and other documents as may be required by
law,to;
a. Enter,at reasonable times,upon the Permittee's premises where a regulated facility or activity is located or
conducted,or where records must be kept under the conditions of this permit;
b. Have access to and copy,at reasonable times,any records that must be kept under the conditions of this permit;
c. Inspect at reasonable times any facilities,equipment(including monitoring and control equipment),practices,
or operations regulated or required under this permit;and
d. Sample or monitor at reasonable times,for the purposes of assuring permit compliance or as otherwise
authorized by the CWA,any substances or parameters at any location[40 CFR 122.41(i)].
Section E Reporting Requirements
1. Change in Discharge
All discharges authorized herein shall be consistent with the terms and conditions of this permit.The discharge of
any pollutant identified in this permit more frequently than or at a level in excess of that authorized shall constitute
a violation of the permit.
2. Planned Changes
The Permittee shall give notice to the Director as soon as possible of any planned physical alterations or additions
to the permitted facility[40 CFR 122.41(1)].Notice is required only when:
a. The alteration or addition to a permitted facility may meet one of the criteria for new sources at 40 CFR
122.29(b);or
b. The alteration or addition could significantly change the nature or increase the quantity of pollutants
discharged.This notification applies to pollutants subject neither to effluent limitations in the permit,nor to
notification requirements under 40 CFR 122.42(a)(1);or
c. The alteration or addition results in a significant change in the Permittee's sludge use or disposal practices,and
such alteration,addition or change may justify the application of permit conditions that are different from or
absent in the existing permit,including notification of additional use or disposal sites not reported during the
permit application process or not reported pursuant to an approved land application plan.
3. Anticipated Noncompliance
The Permittee shall give advance notice to the Director of any planned changes to the permitted facility or other
activities that might result in noncompliance with the permit[40 CFR 122.41(1)(2)].
4. Transfers
This permit is not transferable to any person without prior written notice to and approval from the Director in
accordance with 40 CFR 122.61.The Director may condition approval in accordance with NCGS 143-215.1,in
particular NCGS 143-215.1(b)(4)b.2.,and may require modification or revocation and reissuance of the permit,or
a minor modification,to identify the new permittee and incorporate such other requirements as may be necessary
under the CWA[40 CFR 122.41(1)(3), 122.61]or state statute.
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5. Monitoring Reports
Monitoring results shall be reported at the intervals specified elsewhere in this permit[40 CFR 122.41(1)(4)].
a. Monitoring results must be reported on a Discharge Monitoring Report(DMR)(See Part II.D.2)or forms
provided by the Director for reporting results of monitoring of sludge use or disposal practices.
b. If the Permittee monitors any pollutant more frequently than required by this permit using test procedures
approved under 40 CFR Part 136 and at a sampling location specified in this permit or other appropriate
instrument governing the discharge,the results of such monitoring shall be included in the calculation and
reporting of the data submitted on the DMR.
6. Twenty-four Hour Reporting
a. The Permittee shall report to the Director or the appropriate Regional Office any noncompliance that
potentially threatens public health or the environment.Any information shall be provided orally within 24
hours from the time the Permittee became aware of the circumstances.A written submission shall also be
provided within 5 days of the time the Permittee becomes aware of the circumstances.The written submission
shall contain a description of the noncompliance,and its cause;the period of noncompliance,including exact
dates and times,and if the noncompliance has not been corrected,the anticipated time it is expected to
continue;and steps taken or planned to reduce,eliminate,and prevent reoccurrence of the noncompliance[40
CFR 122.41(1)(6)].
b. The Director may waive the written report on a case-by-case basis for reports under this section if the oral
report has been received within 24 hours.
c. Occurrences outside normal business hours may also be reported to the Division's Emergency Response
personnel at(800)662-7956,[phone] or(919)733-3300.
7. Other Noncompliance
The Permittee shall report all instances of noncompliance not reported under Part II.E.5 and 6.of this permit at the
time monitoring reports are submitted.The reports shall contain the information listed in Part II.E.6.of this permit
[40 CFR 122.41(1)(7)].
8. Other Information
Where the Permittee becomes aware that it failed to submit any relevant facts in a permit application,or submitted
incorrect information in a permit application or in any report to the Director,it shall promptly submit such facts or
information[40 CFR 122.41(1)(8)].
9. Noncompliance Notification
The Permittee shall report by telephone to either the central office or the appropriate regional office of the Division
as soon as possible,but in no case more than 24 hours or on the next working day following the occurrence or first
knowledge of the occurrence of any of the following:
a. Any occurrence at the water pollution control facility which results in the discharge of significant amounts of
wastes which are abnormal in quantity or characteristic,such as the dumping of the contents of a sludge
digester;the known passage of a slug of hazardous substance through the facility;or any other unusual
circumstances.
b. Any process unit failure,due to known or unknown reasons,that render the facility incapable of adequate
wastewater treatment such as mechanical or electrical failures of pumps,aerators,compressors,etc.
c. Any failure of a pumping station,sewer line,or treatment facility resulting in a by-pass without treatment of all
or any portion of the influent to such station or facility.
Persons reporting such occurrences by telephone shall also file a written report within 5 days following first
knowledge of the occurrence.Also see reporting requirements for municipalities in Part IV.C.2.c. of this permit.
10. Availability of Reports
Except for data determined to be confidential under NCGS 143-215.3(a)(2)or Section 308 of the Federal Act,33
USC 1318,all reports prepared in accordance with the terms shall be available for public inspection at the offices
of the Division.As required by the Act,effluent data shall not be considered confidential.Knowingly making any
false statement on any such report may result in the imposition of criminal penalties as provided for in NCGS 143-
215.1(b)(2)or in Section 309 of the Federal Act
.
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11. Penalties for Falsification of Reports
The CWA provides that any person who knowingly makes any false statement,representation,or certification in
any record or other document submitted or required to be maintained under this permit,including monitoring
reports or reports of compliance or noncompliance shall,upon conviction,be punished by a fine of not more than
$25,000 per violation,or by imprisonment for not more than two years per violation,or by both[40 CFR 122.41].
12. Annual Performance Reports
Permittees who own or operate facilities that primarily collect or treat municipal or domestic wastewater and have
an average annual flow greater than 200,000 gallons per day shall provide an annual report to the Permit Issuing
Authority and to the users/customers served by the Permittee(NCGS 143-215.1C).The report shall summarize the
performance of the collection or treatment system,as well as the extent to which the facility was compliant with
applicable Federal or State laws,regulations and rules pertaining to water quality.The report shall be provided no
later than sixty days after the end of the calendar or fiscal year,depending upon which annual period is used for
evaluation.
The report shall be sent to:
NC DENR/Division of Water Resources/Water Quality Permitting Section
ATTENTION:Central Files
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
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PART III
OTHER REQUIREMENTS
Section A. Construction
a. The Permittee shall not commence construction of wastewater treatment facilities,nor add to the plant's treatment
capacity,nor change the treatment process(es)utilized at the treatment plant unless(1)the Division has issued an
Authorization to Construct(AtC)permit or(2)the Permittee is exempted from such AtC permit requirements
under Item b.of this Section.
b. In accordance with NCGS 143-215.1(a5)[SL 2011-394],no permit shall be required to enter into a contract for the
construction,installation,or alteration of any treatment work or disposal system or to construct,install,or alter any
treatment works or disposal system within the State when the system's or work's principle function is to conduct,
treat,equalize,neutralize,stabilize,recycle,or dispose of industrial waste or sewage from an industrial facility and
the discharge of the industrial waste or sewage is authorized under a permit issued for the discharge of the
industrial waste or sewage into the waters of the State. Notwithstanding the above,the permit issued for the
discharge may be modified if required by federal regulation.
c. Issuance of an AtC will not occur until Final Plans and Specifications for the proposed construction have been
submitted by the Permittee and approved by the Division.
Section B. Groundwater Monitoring
The Permittee shall,upon written notice from the Director,conduct groundwater monitoring as may be required to
determine the compliance of this NPDES permitted facility with the current groundwater standards.
Section C. Changes in Discharges of Toxic Substances
The Permittee shall notify the Permit Issuing Authority as soon as it knows or has reason to believe(40 CFR 122.42):
a. That any activity has occurred or will occur which would result in the discharge,on a routine or frequent basis,of
any toxic pollutant which is not limited in the permit,if that discharge will exceed the highest of the following
"notification levels";
(1) One hundred micrograms per liter(100 pg/L);
(2) Two hundred micrograms per liter(200 µg/L)for acrolein and acrylonitrile;five hundred micrograms per liter
(500 gg/L)for 2,4-dinitrophenol and for 2-methyl-4,6-dinitrophenol;and one milligram per liter(1 mg/L)for
antimony;
(3) Five times the maximum concentration value reported for that pollutant in the permit application.
b. That anyactivityhas occurred or will occur which would result in any discharge,on a non-routine or infrequent
basis,of a toxic pollutant which is not limited in the permit,if that discharge will exceed the highest of the
following"notification levels";
(1) Five hundred micrograms per liter(500 µg/L);
(2) One milligram per liter(1 mg/L)for antimony;
(3) Ten times the maximum concentration value reported for that pollutant in the permit application.
Section D. Facility Closure Requirements
The Permittee must notify the Division at least 90 days prior to the closure of any wastewater treatment system covered
by this permit. The Division may require specific measures during deactivation of the system to prevent adverse
impacts to waters of the State.This permit cannot be rescinded while any activities requiring this permit continue at the
permitted facility.
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PART IV
SPECIAL CONDITIONS FOR MUNICIPAL FACILITIES
Section A. Definitions
In addition to the definitions in Part 11 of this permit,the following definitions apply to municipal facilities:
Indirect Discharge or Industrial User
Any non-domestic source that discharges wastewater containing pollutants into a POTW regulated under section
307(b),(c)or(d)of the CWA. [40 CFR 403.3 (i)and(j)and 15A NCAC 02H.0903(b)(11)]
Interference
Inhibition or disruption of the POTW treatment processes;operations;or its sludge process,use,or disposal which
causes or contributes to a violation of any requirement of the Permittee's(or any satellite POTW's if different from the
Permittee)NPDES,collection system,or non-discharge permit or prevents sewage sludge use or disposal in
compliance with specified applicable State and Federal statutes,regulations,or permits. [15A NCAC 02H
.0903(b)(14)]
Pass Through
A discharge which exits the POTW into waters of the State in quantities or concentrations which,alone or with
discharges from other sources,causes a violation,including an increase in the magnitude or duration of a violation,of
the Permittee's(or any satellite POTW's,if different from the Permittee)NPDES,collection system,or non-discharge
permit. [15A NCAC 02H.0903(b)(23)]
Publicly Owned Treatment Works(POTW)
A treatment works as defmed by Section 212 of the CWA,which is owned by a State or local government organization.
This definition includes any devices and systems used in the storage,treatment,recycling and reclamation of municipal
sewage or industrial wastes of a liquid nature.It also includes the collection system,as defmed in 15A NCAC 2T
.0402,only if it conveys wastewater to a POTW treatment plant.The term also means the local government
organization,or municipality,as defined in section 502(4)of the CWA,which has jurisdiction over indirect discharges
to and the discharges from such a treatment works. In this context,the organization may be the owner of the POTW
treatment plant or the owner of the collection system into which an indirect discharger discharges.This second type of
POTW may be referred to as a"satellite POTW organization." [15A NCAC 02H.0903(b)(26)]
"Significant Industrial User"or"SIU"
An Industrial User that discharges wastewater into a publicly owned treatment works and that[15A NCAC 02H
.0903(b)(33)]:
1. Discharges an average of 25,000 gallons per day or more of process wastewater to the POTW(excluding sanitary,
noncontact cooling and boiler blowdown wastewaters);or
2. Contributes process wastewater which makes up five percent or more of the NPDES or non-discharge permitted
flow limit or organic capacity of the POTW treatment plant.In this context,organic capacity refers to BOD,TSS
and ammonia;or
3. Is subject to categorical standards under 40 CFR Part 403.6 and 40 CFR Parts 405-471; or
4. Is designated as such by the Permittee on the basis that the Industrial User has a reasonable potential for adversely
affecting the POTW's operation or for violating any pretreatment standard or requirement,or the POTW's effluent
limitations and conditions in its NPDES or non-discharge permit,or to limit the POTW's sludge disposal options;
5. Subject to approval under 15A NCAC 02H .0907(b),the Permittee may determine that an Industrial User meeting
the criteria in paragraphs 1 or 2 of this definition above has no reasonable potential for adversely affecting the
POTW's operation or for violating any pretreatment standard or requirement,the POTW's effluent limitations and
conditions in its NPDES or non-discharge permit,or to limit the POTW's sludge disposal options,and thus is not a
Significant Industrial User(SIU);or
6. Subject to approval under 15A NCAC 02H.0907(b),the Permittee may determine that an Industrial User meeting
the criteria in paragraph 3 of this definition above meets the requirements of 40 CFR Part 403.3(v)(2)and thus is a
non-significant categorical Industrial User.
Section B. Publicly Owned Treatment Works (POTWs)
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All POTWs must provide adequate notice to the Director of the following[40 CFR 122.42(b)]:
1. Any new introduction of pollutants into the POTW from an indirect discharger,regardless of the means of
transport,which would be subject to section 301 or 306 of CWA if it were directly discharging those pollutants;
and
2. Any substantial change in the volume or character of pollutants being introduced by an indirect discharger as
influent to that POTW at the time of issuance of the permit.
3. For purposes of this paragraph,adequate notice shall include information on(1)the quality and quantity of effluent
introduced into the POTW,and(2)any anticipated impact that may result from the change of the quantity or
quality of effluent to be discharged from the POTW.
Section C. Municipal Control of Pollutants from Industrial Users.
1. Effluent limitations are listed in Part I of this permit.Other pollutants attributable to inputs from Industrial Users
discharging to the POTW may be present in the Permittee's discharge.At such time as sufficient information
becomes available to establish limitations for such pollutants,this permit may be revised to specify effluent
limitations for any or all of such other pollutants in accordance with best practicable technology or water quality
standards.
2. Prohibited Discharges
a. The Permittee shall develop and enforce their Pretreatment Program to implement the prohibition against the
introduction of pollutants or discharges into the waste treatment system or waste collection system which
cause or contribute to Pass Through or Interference as defined in 15A NCAC 02H.0900 and 40 CFR 403. [40
CFR 403.5(a)(1)]
b. The Permittee shall develop and enforce their Pretreatment Program to implement the prohibitions against the
introduction of the following wastes in the waste treatment or waste collection system[40 CFR 403.5(b)]:
(1) Pollutants which create a fire or explosion hazard in the POTW,including,but not limited to,
wastestreams with a closed cup flashpoint of less than 140 degrees Fahrenheit or 60 degrees Centigrade
using the test methods specified in 40 CFR 261.21;
(2) Pollutants which cause corrosive structural damage to the POTW,but in no case discharges with pH lower
than 5.0,unless the works is specifically designed to accommodate such discharges;
(3) Solid or viscous pollutants in amounts which cause obstruction to the flow in the POTW resulting in
Interference;
(4) Any pollutant,including oxygen demanding pollutants(BOD,etc.)released in a Discharge at a flow rate
and/or pollutant concentration which will cause Interference with the POTW;
(5) Heat in amounts which will inhibit biological activity in the POTW resulting in Interference,but in no
case heat in such quantities that the temperature at the POTW Treatment Plant exceeds 40°C(104°F)
unless the Division,upon request of the POTW,approves alternate temperature limits;
(6) Petroleum oil,non-biodegradable cutting oil,or products of mineral oil origin in amounts that will cause
Interference or Pass Through;
(7) Pollutants which result in the presence of toxic gases,vapors,or fumes within the POTW in a quantity that
may cause acute worker health and safety problems;or
(8) Any trucked or hauled pollutants,except at discharge points designated by the POTW.
c. The Permittee shall investigate the source of all discharges into the POTW,including slug loads and other
unusual discharges,which have the potential to adversely impact the Permittee's Pretreatment Program and/or
the operation of the POTW.
The Permittee shall report such discharges into the POTW to the Director or the appropriate Regional Office.
Any information shall be provided orally within 24 hours from the time the Permittee became aware of the
circumstances.A written submission shall also be provided within 5 days of the time the Permittee becomes
aware of the circumstances. The written submission shall contain a description of the discharge;the
investigation into possible sources;the period of the discharge,including exact dates and times;if the
discharge has not ceased,the anticipated time it is expected to continue;and steps taken or planned to reduce,
eliminate,and prevent reoccurrence of the noncompliance,
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3. With regard to the effluent requirements listed in Part I of this permit,it may be necessary for the Permittee to
supplement the requirements of the Federal Pretreatment Standards(40 CFR,Part 403)to ensure compliance by
the Pennittee with all applicable effluent limitations. Such actions by the Permittee may be necessary regarding
some or all of the industries discharging to the municipal system.
4. The Permittee shall require any Industrial User(IU)discharging to the POTW to meet Federal Pretreatment
Standards developed under Section 307(b)of the Act as amended(which includes categorical standards and
specific local limits,best management practices and narrative requirements).Prior to accepting wastewater from
any Significant Industrial User(SIU),the Permittee shall either develop and submit to the Division a new
Pretreatment Program or,as necessary,a modification of an existing Pretreatment Program,for approval as
required under section D below as well as 15A NCAC 02H.0907(a)and(b). [40 CFR 122.44(j)(2)]
5. This permit shall be modified,or alternatively,revoked and reissued,to incorporate or modify an approved POTW
Pretreatment Program or to include a compliance schedule for the development of a POTW Pretreatment Program
as required under Section 402(b)(8)of the CWA and implementing regulations or by the requirements of the
approved State pretreatment program,as appropriate.
Section D. Pretreatment Programs
Under authority of sections 307(b)and(c)and 402(b)(8)of the CWA and implementing regulations 40 CFR 403,
North Carolina General Statute 143-215.3(14)and implementing regulations 15A NCAC 02H.0900,and in accordance
with the approved pretreatment program,all provisions and regulations contained and referenced in the pretreatment
program submittal are an enforceable part of this permit. [40 CFR 122.44(j)(2)]
The Permittee shall operate its approved pretreatment program in accordance with Section 402(b)(8)of the CWA,40
CFR 403, 15A NCAC 02H.0900,and the legal authorities,policies,procedures,and fmancial provisions contained in
its pretreatment program submission and Division approved modifications thereof. Such operation shall include but is
not limited to the implementation of the following conditions and requirements.Terms not defined in Part II or Part IV
of this permit are as defined in 15A NCAC 02H.0903 and 40 CFR 403.3.
1. Sewer Use Ordinance(SUO)
The Permittee shall maintain adequate legal authority to implement its approved pretreatment program. [15A
NCAC 02H.0903(b)(32),.0905 and.0906(b)(1);40 CFR 403.8(f)(1)and 403.9(b)(1)and(2)]
2. Industrial Waste Survey(IWS)
The Permittee shall implement an IWS consisting of the survey of users of the POTW collection system or
treatment plant,as required by 40 CFR 403.8(f)(2)(i-iii)and 15A NCAC 02H.0905 [also 40 CFR 122.44(j)(1)],
including identification of all Industrial Users that may have an impact on the POTW and the character and amount
of pollutants contributed to the POTW by these Industrial Users and identification of those Industrial Users
meeting the defmition of SIU.Where the Permittee accepts wastewater from one or more satellite POTWs,the
IWS for the Permittee shall address all satellite POTW services areas,unless the pretreatment program in those
satellite service areas is administered by a separate Permittee with an approved Pretreatment Program.The
Permittee shall submit a summary of its IWS activities to the Division at least once every five years,and as
required by the Division.The IWS submission shall include a summary of any investigations conducted under
paragraph C.2.c. of this Part. [15A NCAC 02H .0903(b)(13), .0905 and.0906(b)(2);40 CFR 403.8(0(2)and 403.9]
3. Monitoring Plan
The Permittee shall implement a Division-approved Monitoring Plan for the collection of facility specific data to
be used in a wastewater treatment plant Headworks Analysis(HWA)for the development of specific pretreatment
local limits.Effluent data from the Plan shall be reported on the DMRs(as required by Parts II.D and II.E.5.). [15A
NCAC 02H.0903(b)(16), .0906(b)(3)and.0905]
4. Headworks Analysis(HWA)and Local Limits
The Permittee shall obtain Division approval of a HWA at least once every five years,and as required by the
Division.Within 180 days of the effective date of this permit(or any subsequent permit modification)the
Permittee shall submit to the Division a written technical evaluation of the need to revise local limits(i.e.,an
updated HWA or documentation of why one is not needed)[40 CFR 122.44].The Permittee shall develop,in
accordance with 40 CFR 403.5(c)and 15A NCAC 02H .0909,specific Local Limits to implement the prohibitions
listed in 40 CFR 403.5(a)and(b)and 15A NCAC 02H .0909.Pursuant to 40 CFR 403.5,local limits are
Version 11/09/2011.1

' NPDES Permit Standard Conditions
Page 17 of 18
enforceable Pretreatment Standards as defined by 40 CFR 403.3(1). [15A NCAC 02H .0903(b)(10), .0905, and
.0906(b)(4)]
5. Industrial User Pretreatment Permits(IUP)&Allocation Tables
In accordance with NCGS 143-215.1,the Permittee shall issue to all Significant Industrial Users,permits for
operation of pretreatment equipment and discharge to the Permittee's collection system or treatment works.These
permits shall contain limitations,sampling protocols,reporting requirements,appropriate standard and special
conditions,and compliance schedules as necessary for the installation of treatment and control technologies to
assure that their wastewater discharge will meet all applicable pretreatment standards and requirements.The
Permittee shall maintain a current Allocation Table(AT)which summarizes the results of the HWA and the limits
from all IUPs.Permitted IUP loadings for each parameter cannot exceed the treatment capacity of the POTW as
determined by the HWA. [15A NCAC 02H.0906(b)(6),.0909, .0916,and.0917;40 CFR 403.5,403.8(f)(1)(iii);
NCGS 143-215.67(a)]
6. Authorization to Construct(AtC)
The Permittee shall ensure that an Authorization to Construct permit(AtC)is issued to all applicable Industrial
Users for the construction or modification of any pretreatment facility.Prior to the issuance of an AtC,the
proposed pretreatment facility and treatment process must be evaluated for its capacity to comply with all
Industrial User Pretreatment Permit(IUP)limitations. [15A NCAC 02H .0906(b)(7)and.0905;NCGS 143-
215.1(a)(8)]
7. POTW Inspection&Monitoring of their IUs
The Permittee shall conduct inspection,surveillance,and monitoring activities as described in its Division
approved pretreatment program in order to determine,independent of information supplied by Industrial Users,
compliance with applicable pretreatment standards. [15A NCAC 02H.0908(e);40 CFR 403.8(f)(2)(v)] The
Permittee must:
a. Inspect all Significant Industrial Users(SIUs)at least once per calendar year;
b. Sample all Significant Industrial Users(SIUs)at least once per calendar year for all SIU permit-limited
parameters including flow except as allowed under 15A NCAC .0908(e);and
c. At least once per year,document an evaluation of any non-significant categorical Industrial User for
compliance with the requirements in 40 CFR 403.3(v)(2),and either continue or revoke the designation as non-
significant.
8. IU Self Monitoring and Reporting
The Permittee shall require all Industrial Users to comply with the applicable monitoring and reporting
requirements outlined in the Division-approved pretreatment program,the industry's pretreatment permit,or in 15A
NCAC 02H.0908. [15A NCAC 02H .0906(b)(5)and.0905;40 CFR 403.8(f)(1)(v)and(2)(iii);40 CFR
122.44(j)(2)and 40 CFR 403.12]
9. Enforcement Response Plan(ERP)
The Permittee shall enforce and obtain appropriate remedies for violations of all pretreatment standards
promulgated pursuant to section 307(b)and(c)of the CWA(40 CFR 405 et. seq.),prohibitive discharge standards
as set forth in 40 CFR 403.5 and 15A NCAC 02H .0909,specific local limitations,and other pretreatment
requirements.All remedies,enforcement actions and other,shall be consistent with the Enforcement Response
Plan(ERP)approved by the Division. [15A NCAC 02H.0903(b)(7), .0906(b)(8)and.0905;40 CFR 403.8(0(5)]
10. Pretreatment Annual Reports(PAR)
The Permittee shall report to the Division in accordance with 15A NCAC 02H.0908. In lieu of submitting annual
reports,Modified Pretreatment Programs developed under 15A NCAC 02H.0904(b)may be required to submit a
partial annual report or to meet with Division personnel periodically to discuss enforcement of pretreatment
requirements and other pretreatment implementation issues.
For all other active pretreatment programs,the Permittee shall submit two copies of a Pretreatment Annual Report
(PAR)describing its pretreatment activities over the previous calendar year to the Division at the following
address:
Version 11/09/2011.1

NPDES Penn it Standard Conditions
Page 18 of 18
NC DENR/Division of Water Resources/Water Quality Permitting Section
Pretreatment,Emergency Response,and Collection Systems(PERCS)Unit
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
These reports shall be submitted by March 1 of each year and shall contain the following:
a. Narrative
A narrative summary detailing actions taken,or proposed,by the Permittee to correct significant non-
compliance and to ensure compliance with pretreatment requirements;
b. Pretreatment Program Summary(PPS)
A pretreatment program summary(PPS)on forms or in a format provided by the Division;
c. Significant Non-Compliance Report(SNCR)
A list of Industrial Users(IUs)in significant noncompliance(SNC)with pretreatment requirements,and the
nature of the violations on forms or in a format provided by the Division;
d. Industrial Data Summary Forms(IDSF)
Monitoring data from samples collected by both the POTW and the Significant Industrial Users(SIUs).These
analytical results must be reported on Industrial Data Summary Forms(IDSF)or on other forms or in a format
provided by the Division;
e. Other Information
Copies of the POTW's allocation table,new or modified enforcement compliance schedules,public notice of
lUs in SNC,a summary of data or other information related to significant noncompliance determinations for
IUs that are not considered SIUs,and any other information,upon request,which in the opinion of the Director
is needed to determine compliance with the pretreatment implementation requirements of this permit;
11. Public Notice
The Permittee shall publish annually a list of Industrial Users(lUs)that were in significant noncompliance(SNC)
as defined in the Permittee's Division-approved Sewer Use Ordinance with applicable pretreatment requirements
and standards during the previous twelve month period.This list shall be published within four months of the
applicable twelve-month period. [15A NCAC 02H .0903(b)(34), .0908(b)(5)and.0905 and 40 CFR
403.8(f)(2)(viii)]
12. Record Keeping
The Permittee shall retain for a minimum of three years records of monitoring activities and results,along with
support information including general records,water quality records,and records of industrial impact on the
POTW and shall retain all other Pretreatment Program records as required by 15A NCAC 02H.0908(f). [15A
NCAC 02H.0908(f);40 CFR 403.12(o)]
13. Pretreatment Program Resources
The Permittee shall maintain adequate funding and qualified personnel to accomplish the objectives of its approved
pretreatment program.and retain a written description of those current levels of inspection. [15A NCAC 02H
.0906(b)(9)and(10)and.0905;40 CFR 403.8(f)(3),403.9(b)(3)]
14. Modification to Pretreatment Programs
Modifications to the approved pretreatment program including but not limited to local limits modifications,POTW
monitoring of their Significant Industrial Users(SIUs),and Monitoring Plan modifications,shall be considered a
permit modification and shall be governed by 40 CFR 403.18, 15 NCAC 02H .0114 and 15A NCAC 02H.0907.
Version 11/09/2011.1

of 5
Workbook Name: HWA2020•>' Worksheet Name: HWA Page 1 Printed4/21/2021,11:26 AM
A I B I C I D I E I F I G I H I I I J I K
1 Headworks Analysis Spreadsheet Spreadsheet Instructions:
2 POTW Name: City of Washington 1) Applicable Values should be entered in the Heavy Bordered Blue cells. The rest of worksheet is
3 Date: 3/31/2021 protected,password is"2".
4 POTW NPDES#=> NC0020648 2) Additional pollutants can be added in cells A34 to A42. Note all Pollutant names are linked from
5 POTW Sludge Permit#=> WQ0001026 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).
7 POTW NPDES Permitted Flow(MGD)= 3.65 <=osed in AT only 3) Formulas are discussed in the Comprehensive Guidance HWA Chapter.
8 POTW Average Flow(MGD)= 2.50908 <used in HWA calculations 4) HWA,AT and HASL worksheets are linked. MAHLs,Basis,and Uncontrollable load are
automatically entered into AT from this worksheet.
9 Uncontrollable Flow(MGD)= 2.4898 5)If red tab notes are not visible,they can be turned on in the"Tools"menu under"options",in the
10 7Q10 Stream Flow(MGD)= 0 "view"tab click the"comment indicator only"button.
11 Stream Classification= C-NSW
--rr
13 Class of Sludge generated(A,or B) B
14 Sludge to Digestor Flow(MGD)= Through rale.for different POTW use Design
8
15 Sludge to Disposal Flow(MGD)= 0.002938 flows Criteria
16 %Solids to Disposal= 5.1 Design Values Average Flow Permitted Flow Loading
17 Sludge Site Area(acres)= 1308.5 WWTF Influent BOD(mg/1) 290 421.2 289.6
18 Sludge Site Life(yrs)= _ 50 WWTF Influent TSS(mg/1) 300 436.0 299.7
19 Age of Sludge Site(yrs)= 5 WWTF Influent NH1(mg/1) 38 55.1 37.9
20 WWTF Influent Total N(mg/I) 34 97.1 66.7 X
21 Pass-Through Loading Calculations WWTF Influent Total P(mg/1) 6.4 5.0 3.4 X
Stream Standard Pass-Thru Minimum
NPDES LIMIT Plant Removal Removal rate NPDES Loading Standard Stream Loading Design Criteria Loading Pass-Thru
23 Pollutant (mg/) Rate(%) Source (lbs/day) (mg./1) Standard Source (lbs/day) Loading(lbs/day) (lbs/day) Basis
24 BUD 13.1 96.89 BPJ r 8,814 8,828 8,814 NPDES
25 TSS 30 93.12 BPJ 9,125 9,132 9,125 NPDES
26 Ammonia 3.5 93.65 BPJ 1,153 1,157 1,153 NPDES
27 Arsenic 45 Literature Value 0.05 NC WQS-C 1.9023 1.9023 Stream Std
28 Cadmium 67 Literature Value 0.002 NC WQS-C 0.1268 0.1268 Stream Std
29 Chromium 82 Literature Value 0.05 NC WQS-C . 5.8127 5.8127 Stream Std
30 Copper 94.65 Site Specific Action Level
31 Cyanide 69 Literature Value 0.005 NC WQS 0.3375 0.3375 Stream Std
32 Lead 61 Literature Value 0.025 NC WQS 1.3414 1.3414 Stream Std
33 Mercury _ 99.62 Site Specific 0.000012 NC WQS 0.06608 0.06608 Stream Std
34 Molybdenum 33 Literature Value
35 Nickel _ 42 Literature Value 0.088 NC WQS 3.1749 3.1749 Stream Std
36 Selenium 50 Literature Value 0.005 NC WQS 0.2093 0.2093 Stream Std
37 Silver 75 Literature Value i Action Level
38 Zinc 55.11 Site Specific Action Level
39 Total Nitrogen 4.67"'
95.19 2031.6662 1034.994 1034.994 Design
40 Total Phos. 0.82 83.5 103.9945 194.8224 194.822 Design
41 c
r r r
42 d
43 e
, 11
44 f
45 g
•
46 h
47 I _
Modeled after:Chapter 5-HWA Guidance,Appendix 5-A
Revision Date: February 2008

Workbook Name: HWA2020• Worksheet Name: HWA Page 2 of 5
� Printed 4/21/2021, 11:26 AM
A I B I C I D I E I F I G I H I I I J I K
49 Average Influent NHI(mg/I) 20.33
50 Average Anaerobic Digester NH3(mg/I)
51 Inhibition Loading Calculations only enter when have ANAEROBIC digester
A.S./NiL/T.F. A.S./Nit,/T.F. A.SJNit,/I'.F. Digestor \lininmm Nlinimum
Primary Primary Inhibition Inhibition Inhibition Inhibition Digestor Inhibition Inhibition
Removal Rate Removal Rate Concentration Concentration Loading Concentration Inhibition Digestor Inhibition Loading Loading
52 Pollutant (i,/) Source (mg4) Source (lbs/day) (mg/I) Conc.Source Loading(lbs/day) (lbs/day) Source
53 BOD
54 TSS
55 Ammonia 480 Act.Sludge — 10044.3491 10044.35 AS/Nit/TF in
56 Arsenic 0.1 Act.Sludge 2.0926 2.0926 AS/Nit/TF in
57 Cadmium I Act.Sludge 20.9257 20.9257 AS/Nit/TF hi
58 Chromium 0.394 Nitrification 8.2447 8.2447 AS/Nit/TF in
59 Copper 0.48 Nitrification 10.0443 10.0443 AS/NitfFF in
60 Cyanide 0.34 Nitrification 7.1147 7.1147 AS/Nit/TF in
61 Lead 0.5 Nitrification 10.4629 10.4629 AS/Nit/TF in
62 Mercury 0.1 Act.Sludge 2.0926 2.0926 AS/Nit/TF in
63 Molybdenum
64 Nickel 0.25 Nitrification 5.2314_ 5.2314 AS/Nit/TF in
65 Selenium
66 Silver _ 0.25 Act.Sludge 5 2 314_ 5.2314 AS/Nit/PT in
67 Zinc 1 Nitrification 20.9257 20.9257 AS/Nit/TF in
68 Total Nitrogen
69 Total Phos.
70 c
a 71 d
72 e _
73 f
74 g _
75 h
76 1
Modeled after Chapter 5-HWA Guidance.Appendix 5-A
Revision Date: February 2008

Workbook Name: HWA2020• Worksheet Name: HWA Page3of5
r Printed4l21/2021,11:26AM
A 1 B 1 C 1 D 1 E 1 F 1 G 1 H I I IJIK
77
78 Sludge Loading Calculations
Sludge Ceiling Class A Limits Class A Limits Class A Limits Minimum Minimum
Sludge Ceiling Sludge Ceiling Load Cumulative Sludge Cumulative Monthly Monthly Avg. Mon.Avg.Load. - Sludge Sludge
Concentration Load -HASL Calc.- Rate Limit Sludge Loading Average Rate Loading HASL Calc.- Loading Loading
79 Pollutant Limit(mg/kg) Obs/day) (lbs/day) (Ibs/(acre"life)) (lbs/day) Limit(mg/kg) (lbs/day) (lbs/day) (lbs/day) Sorce
80 BOD
81 TSS
82 Ammonia
83 Arsenic 75 0.2083 36 5.7323 41 0.2083 Sludge Ceilit
84 Cadmium 85 0.1585 34 3.6361 39 0.1585 Sludge Celli/
85 Chromium
86 Copper 4300 5.6772 1338 101.2914 1500 5.6772 Sludge Ceilit
87 Cyanide
88 Lead 840 1.7208 267 31.3631 300 1.7208 Sludge Ceilit
89 Mercury 57 0.0715 15 1.0789 17 0.0715 Sludge Ceilit
90 Molybdenum 75 0.2840 0.2840 Sludge Celli'
91 Nickel 420 1.2496 374 63.8057 420 1.2496 Sludge Ceilii
92 Selenium 100 0.2499 89 12.7543 100 0.2499 Sludge Celli'
93 Silver
94 Zinc 7500 17.0067 2498 324.7874 2800 17.0067 Sludge Celli'
95 Total Nitrogen
96 Total Phos.
97 c
98 d
99 e
100f
101 g
102 h
103 1
104
Modeled after:Chapter 5-HWA Guidance,Appendix 5-A
Revision Date: February 2008

Workbook Name: HWA2020• Worksheet Name: HWA Page 4 of 5
� Printed 4/21/2021,11:26 AM
A I B I C I D I E I F I G IHI I IJIK
105 Maximum Allowable Headworks Loading Calculations
Minimum Pass Minimum Minimum Minimum Minimum Allowable Maximum Allowable
Through Loading Pass Through Inhibition Loading Inhibition Loading Sludge Loading Sludge Loading Headworks Headworks Loading
106 (lbs/day) Source (lbs/day) Source (lbs/day) Sorce Loading(lbs/day) Source
107 BOD 8814.4 NPDES 8814.4 NPDES
108 TSS 9124.6 NPDES 9124.6 NPDES
109 Ammonia 1153.4 NPDES 10044.3491 AS/Nit/TF inhibiti 1153.4 NPDES
110 Arsenic 1.9023 Stream Std 2.0926 AS/Nit/TF inhibiti 0.2083 Sludge Ceiling 0.2083 Sludge Ceiling
111 Cadmium 0.1268 Stream Std 20.9257 AS/Nit/TF inhibiti 0.1585 Sludge Ceiling 0.1268 Stream Std
112 Chromium 5.8127 Stream Std 8.2447 AS/Nit/TF inhibiti 5.8127 Stream Std
113 Copper 10.0443 AS/Nit/TF inhibiti 5.6772 Sludge Ceiling 5.6772 Sludge Ceiling
114 Cyanide 0.3375 Stream Std 7.1147 AS/Nit/TF inhibiti 0.3375 Stream Std
115 Lead 1.3414 Stream Std 10.4629 AS/Nit/TF inhibiti 1.7208 Sludge Ceiling 1.3414 Stream Std
116 Mercury 0.06608 Stream Std 2.0926 AS/Nit/TF inhibiti 0.0715 Sludge Ceiling 0.06608 Stream Std
117 Molybdenum 0.2840 Sludge Ceiling 0.2840 Sludge Ceiling
118 Nickel 3.1749 Stream Std 5.2314 AS/Nit/TF inhibiti 1.2496 Sludge Ceiling 1.2496 Sludge Ceiling
119 Selenium 0.2093 Stream Std 0.2499 Sludge Ceiling 0.2093 Stream Std
120 Silver 5.2314 AS/Nit/TF inhibiti 5.2314 AS/Nit/TF inhibition
121 Zinc 20.9257 AS/Nit/TF inhibiti 17.0067 Sludge Ceiling 17.0067 Sludge Ceiling
122 Total Nitrogen 1035.0 Design 1034.9940 Design
123 Total Phos. 194.8 Design 194.8224,Design
124 c
125 d
126 e
127 f
128 g
129 h
130 1
131
Modeled after:Chapter 5-HWA Guidance,Appendix 5-A
Revision Date: February 2008

Page 5 of 5
Workbook Name: HWA2020; Worksheet Name: HWA Printed 4/21/2021,11:26 AM
A I B I C I D I E I F I G I H I I I J I K
132
133 Maximum Allowable Industrial Loadings Calculations
Maximum Maximum
Allowable Check to Use Uncontrollable Allowable
Headworks Loading HASL Calcs Concentration Uncontrollable Uncontrollable Industrial Design vs.Pass-
134 Pollutant (lbs/day) MAHL Basis (a) (mg/I) Source Load(lbs/day) Load(lbs/day) Thru Warning
135 BOD 8814.3738 NPDES 116 Mass Balance 2408.7321 6405.6417
136 TSS 9124.5903 NPDES 99 Mass Balance 2055.7283 7068.8621
137 Ammonia 1153.3865 NPDES 25 Literature 519.1233 634.2632
138 Arsenic 0.2083 Sludge Ceiling 0.003 Literature 0.0623 0.1460
139 Cadmium 0.1268 Stream Std 0.003 Literature 0.0623 0.0645
140 Chromium 5.8127 Stream Std N/A 0.05 Literature 1.0382 4.7745
141 Copper 5.6772 Sludge Ceiling 0.061 Literature 1.2667 4.4106
142 Cyanide 0.3375 Stream Std N/A 0.0024 Mass Balance 0.0498 0.2877
143 Lead 1.3414 Stream Std 0.049 Literature 1.0175 0.3239
144 Mercury 0.06608 Stream Std 0.0003 Literature 0.00623 0.05985
145 Molybdenum 0.2840 Sludge Ceiling 0.005 Influent 0.1038 0.1802
146 Nickel 1.2496 Sludge Ceiling 0.021 Literature 0.4361 0.8136
147 Selenium 0.2093 Stream Std 0.005 Influent 0.1038 0.1054
148 Silver 5.2314 AS/Nit/TF inhibiti N/A * 0.005,Literature 0.1038 5.1276
149 Zinc 17.0067 Sludge Ceiling 0.175 Literature 3.6339 13.3728
150 Total Nitrogen 1034.9940 Design
151 Total Phos. 194.8224 Design
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

Workbook Name : State approved HWA Design 2015, Worksheet Name: AT Printed.4/21/2021, 11:15AM
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: 3/31/2021 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.
POTw=> Cite of Washington
NPDES#=> NC0020648
FLOW BOD TSS
Industry Type Renewal Modification Date Permit Limits Permit Limits Permit Limits
IUP INDUSTRY NAMES Permit Pipe of Effective Effective Pennit Conc. Load Conc. Load
Count (please list alphabehcrv) number number Industry Date Date Expires , MGD gal/day m lbs/da m lbs/da
1 AAF Flanders 0003 0001 EPA Filter 01/08/17 01/07/22 0.0450 45,000 Monitor Monitor
I.
3
4 I
6 �~
7
8
9
10 ��
Column Totals=> 0.0450 45,0001 11) ( 0
Basis=> NPDES NPDES NPDES
MAHL from HWA(lbs/day)=> NPDES Permitted Flow=> 3.6500 —88 9125
Uncontrollable Loading(lbs/day)=> 2.4898 2409 2056
Total Allowable for Industry(MAIL)(lbs/day)=> 1.1602 6406 7069
Total Permitted to Industry(lbs/day)_> 0.0450, 0 0
MAIL left(lbs/day)=> 1.1152 6406 7069
Percent Allow.Ind.(MAIL)still available(%)=> 96.1% 100.0% 100.0%
Percent MAHL still available(%)_> 30.6% 72.7% 77.5%
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:4/21/2021, 11:15AM
Page 2 of 4
Allocation Table
Headworks last approved: 7/19/2016
Allocation Table updated: 3/31/2021
Permits last modified: 1/8/2017
pang., City of Washington
NPDESAN> 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 list alphabeticly) number number mg/I lbs/day mg/1 lbs/day mg/I lbs/day mg/I lbs/day mg/1 lbs/day mg/I Ibs/da)
1 AAF Flanders 0003 0001 0.0100 0.03001 0.0300 0.0100
2
3
4
5
6
7
i
8
9
10
Column Totals=> I 11 0.(1000 n 0100 0.0300 0.0300 0.01001
Sludge Sludge
Basis=> NPDES Ceiling Stream Std Stream Std Ceiling Stream Std
MAHL from HWA(lbs/day)=> 1153.39 0.2083 0.1268 5.8127 5.6772 0.3375
Uncontrollable Loading(lbs/day)=> 519.12 0.0623 0.0623 1.0382 1.2667 0.0498
Total Allowable for Industry(MAIL)(lbs/day)=> 634.26 0.1460 0.0645 4.7745 4.4106 0.2877
Total Permitted to Industry(lbs/day)=> 0.00 0.0000 0.0100 0.0300 0.0300 0.0100
MAIL left(lbs/day)_> 634.26 0.1460 0.0545 4.7445 4.3806 0.2777
Percent Allow.Ind.(MAIL)still available(%)_> 100.0% 100.0% 84.5% 99.4% 99.3% 96.5%
Percent MAHL still available(%)=> 55.0% 70.1% 43.0% 81.6% 77.2% 82.3%
5 Percent MAHL(lbs/day)=> 57.67 0.0104 0.0063 0.2906 0.2839 0.0169
HWA.AT
Revised:November 2005

Workbook Name : State approved HWA Design 2015, Worksheet Name: AT Printed:4/21/2021, 11:15 AM
Page 3 of 4
Allocation Table
Headworks last approved: 7/19/2016
Allocation Table updated: 3/31/2021
Permits last modified: 1/8/2017
POTW=> City of Washington
NPDESfk> NC0020648
Lead Mercury Molybdenum Nickel Selenium Silver
Industry Permit Limits Permit Limits Permit Limits Permit Limits Permit Limits Permit Limits
11.11) INDUSTRY NAMES Permit Pipe Conc. Load Conc. Load Conc. Load Conc. Load Conc. Load Conc. Load
Count (plc:tw us(alphabetic(v) number number mg/1 lbs/day mg/I lbs/day mg/I lbs/day mg/1 lbs/day mg/I lbs/day mg/I lbs/day
1 AAF Flanders 0003 0001 0.0300 0.0300 0.0300
I
.
3
4
5
6
7
8 I �IMIMINNIMP
9
10 `
Column Totals=> 0.03001 0.000000 0.00001 0.03001 0.0000 0.0300
Sludge Sludge AS/Nit/TF
Basis=> Stream Std Stream Std Ceiling Ceiling Stream Std inhibition
MAHL from HWA(lbs/day)=> 1.3414 0.066081 0.2840 1.2496 0.2093 5.2314
Uncontrollable Loading(lbs/day)_> 1.0175 0.006229 0.1038 0.4361 0.1038 0.1038
Total Allowable for Industry(MAIL)(lbs/day)=> 0.3239 0.059852 0.1802 0.8136 0.1054 5.1276
Total Permitted to Industry(lbs/day)_> 0.0300 0.000000 0.0000 0.0300 0.0000 0.0300
MAIL left(lbs/day)=> 0.2939 0.059852 0.1802 0.7836 0.1054 5.0976
Percent Allow.Ind.(MAIL)still available(%)_> 90.7% 100.0% 100.0% 96.3% 100.0% 99.4%
Percent MAHL still available(%)=> 21.9% 90.6% 63.4% 62.7% 50.4% 97.4%
5 Percent MAI II.(lbs/day)_> 0.0671 0.003304 0.0142 0.0625 0.0105 0.2616
HWA.AT
Revised:November 2005

Workbook Name : State approved HWA Design 2015, Worksheet Name: AT Printed:4/21/2021, 11:15 AM
Page 4 of 4
Allocation Table
Headworks last approved: 7/19/2016
Allocation Table updated: 3/31/2021
Permits last modified: 1/8/2017
POTw=> City of Washington
NPOES#> 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 list number number mg/1 lbs/day mg/1 lbs/day mg/I lbs/day mg/I lbs/day
1 AAF Flanders 0003 0001 0.5000
2 -
3 _
4
5
6
7
R
9 11
�r
I0
Column Totals=> 0.50001 0.001 0.00 0.0000
Sludge
Basis=> Ceiling Design Design
MAHL from HWA(lbs/day)_> 17.0067 1034.9940 194.82
Uncontrollable Loading(lbs/day)_> 3.6339
Total Allowable for Industry(MAIL)(lbs/day)_> 13.3728
Total Permitted to Industry(lbs/day)_> 0.5000 0.00 0.00 0.0000
MAIL left(lbs/day)=> 12.8728 0.00 0.00
Percent Allow.Ind.(MAIL)still available(%)_> 96.3%
Percent MAHL still available(%)=> 75.7% 0.0% 0.0%
5 Percent MAIII,(lbs/day)_> 0.8503 51.75 9.7411
HWA.AT
Revised:November 2005

Name: HWA2020; Worksheet Name: HASL Page 1 of 1
Printed 4/21/2021,11:17 AM
Headworks Addendum for Sludge Loadings(HASL)worksheet
POTW Name=> City of Washington Spreadsheet Instructions:
POTW NPDES#_> NC0020648, MAHL_sv= (Q_potw*C_inf*8.34)/(%_adj)lbs/day
POTW Sludge Permit#=> WQ0001026 1) Data entered only in Heavy Bordered cells. Rest of worksheet is
Date=> 3/31/2021 protected,password is"2". Q_potw=Average POTW flow(mgd)
POTW Average Flow=> 2.51 mgd C_inf=Average influent concentration(mgd)
Avg.sludge flow to Disposal=> 0.002938 mgd 2)This spreadsheet changes based on the class of sludge generated %_adj= Per percentage of Sludge Limit as decimal
Average%Solids to Disposal=> 5.10 % inputted in cell C13 of the HWA spreadsheet. The title and the limits in (example:enter 117%as 1.17)
Sludge Site Area permitted=> 1308.5 acres column G of this spreadsheet are updated automatically. 8.34=Conversion Factor
3)Formulas in Comprehensive Guidance HWA Chapter,Section K.
Enter actual Calculate MAHL sv
CUMULATIVE Flag if> based on%of
LOADING data Enter actual 80%of Monthly Average
from most recent Flag if MAXIMUM SLUDGE %of Applicable Concentration Limits
CUMULATIVE Sludge Report for Greater Sludge Ceiling CONC.from most Applicable Ceiling Flag if> Enter Average to Protect Sludge
SLUDGE the most heavily Cumulative than Concentrations recent Sludge Report Ceiling Conc. Conc. 100%of POTW Influent Quality(insert these
POLLUTANT LOADING LIMITS loaded field' Limit 80% Limits or LTMP Data Limit Limit the Limit Conc. values into HWA)
lbs/acre lbs/acre mg/dry kg mg/dry kg % Flag Flag mg/I lbs/day
Arsenic 36 0.054 0.15 % 75 13.5001 18.0 % 1 0.0025 0.2906
Cadmium 34 0.009 0.03 % 85 2.700 3.2 % i, 0.001 0.3294
Chromium
Copper 1338 1.115 0.08 % 4300 220.000 5.1 % 0.020 8.3028
Lead 267 0.097 0.04 % 840 19.100 2.3 % 0.003 2.3007
Mercury 15 0.007 0.05 % 57 1.620 2.8 % 0.0001 0.0957
........................... . ..............
Molybdenum '::': ...:. :: . :: .: ::: ...: ..:!'..:.:!:;....:: :.: :. 75 6.760 9.0 % 0.005 1.1608
Nickel 374 •0.. 0.02 % 420 13.100 3.1 % 0.006 3.6900
Selenium 89 0 0.07 % 100 13.500 13.5 % 0.005 0.7750
Zinc 2498 2.913 0.12 % 7500 589.0001 7.9 % 0.080 21.2632
If over ceiling conc.
IF Greater than 80%Flag POTW MUST SUBMIT If Greater than 80%of the concentration limit POTW POTW must reduce
LAND APP&METALS MANAGEMENT PLAN n/a MUST SUBMIT METALS MANAGEMENT PLAN n/a MAHL n/a
'The most heavily loaded field is determined for each polluntant indivisually,and is the field that contains the highest amount(lbs/acre)of that polluntant.

Removal Rate Calculations
FLOW BOD AMMONIA
Influent Used in Effluent Used in Influent Used in Effluent Used in Influent Used in Effluent Used in
Sample Date mgd < mg/L Calculation < mg/L Calculation < mg/L Calculation < mg/L Calculation < mg/L Calculation < mg/L Calculation
1/2020 DMR AVG Spreadsheet 2.2141 146 146 < 2 1 139 139 < 2.5 1.25 I 23.2 23.2 0.05 0.05
Instructions:
1/79/2020 LTMP 1) Data
2/2020 DMR AVG enteredHeavy only in 2 8949 111 111 < 2 1 99 99 < 2.5 1.25 18.3 18.3 0.05 0.05
eiimeeie
2/4/2020 LTMP Bordered cells.
Rest of
3/2020 DMR AVG worksheet is 2.5129 120 120 < 2 1 116 116 < 2.5 1.25 18.8 18.8 0.6 0.6
3/3/2020 LTMP protected, r
password is
4/2020 DMR AVG 2". 2.3012 126 126 < 2 I 117 117 < 2.5r 1.25 20.4 20.4 0.05 0.05
1
4/7/2020 LTMP 2) For below
detection data,
5/2020 DMR AVG enter"<"in 2.3641 147 147 < 2 1 99 99 < 2.5 1.25 25.2 25.2 0.05 0.05
5/5/2020 LTMP column,and
enter detection
6/2020 DMR AVG level in Influent 2,3746 104 104 < 2 1 86 86 < 2.5 1.25 19 19 0.06 0.06
or Effluent .
6/4/2020 LTMP mg/I columns.
Spreadsheet
7/2020 DMR AVG will auto- 2.1236 121 121 < 2 1 97 97 < 2.5 1.25 24.3 24.3 0.04 0.04
7/14/2020 LTMP mati
calculate
8/2020 DMR AVG averages and 2.699 97 97 < 2 I 85 85 < 2.5 1.25 18.40 18.40 0.04 0.04
removal rates
8/11/2020 LTMP using 1/2
9/2020 DMR AVG value entered. 2.4443 106 106 < 2 1 99 99 < 2.5 1.25 22.2 22.2 0.03 0.03
9/3/2020 LTMP 3)Document
removal Rate
10/2020 DMR AVG choice 2.228 11 l 111 < 2 1 82 82 < 2.5 1.25 20.2 20.2 0.03 0.03
10/8/2020 LTMP
4)Formulas in
11/2020 DMR AVG Compre- 2.9250 104 104 < 2 1 86 86 < 2.5 1.25 18.6 18.6 0.14 0.14
hensive Guide 1
11/3/2020 LTMP HWA Chapter,
Section E,
12/2020 DMR AVG page 1. 3.0273 92 92 < 2 1 73 73 < 2.5 1.25 15.4 15.4 0.06 0.06
12/3/2020 LTMP
dlilk
Column Averages=> 2.509083 115.4167 1 98.16667 1.25 20.33333 0.1
Unpaired Site Specific RR=> 99.13% Unpaired Site Specific RR=> 98.73% Unpaired Site Specific RR=> 99.51%
Literature/Default RR=> 85.00% Literature/Default RR=> 85.00% Literature/Default RR=> 85.00%
50 %of data is BDL 50 %of data is BDL 0 %of data is BDL
RR for this HWA=> 99.13% RR for this HWA=> 98.73% RR for this HWA=> 99.51%
removal rates
Removal Rates
Page 1 of 5 pages
4/15/2021, 7:51 AM
Revision:August 1999

Removal Rate Calculations
CADMIUM CHROMUIM
Influent Used in Effluent Used in Influent Used in Effluent Used in Influent Used in Effluent t,ed in
Sample Date < mg/L Calculation < mg/L Calculation < mg/L Calculation < m: Calculation < mg/L Calculation < mg/L Calculation
1/2020 DMR AVG
1/79/2020 LTMP < 0.005 0.0025 < 0.005 0.0025 < 0.001 0.0005 < 0.001 0.0005 < 0.005 0.0025 < 0.005 0.0025
2/2020 DMR AVG
2/4/2020 LTMP 0.0025 < 0.005 0.0025 I< 0.001 0.0005 < 0.001 0.0005 < 0.005 0.0025 < 0.005 0.0025
3/2020 DMR AVG (3/3/2020 LTMP < 0.005 0.0025 < 0.005 0.0025 < 0.001 0.0005 <
0.001k 0.0005 < 0.005 0.0025 < 0.005 0.0025
4/2020 DMR AVG <
4/7/2020 LTMP < 0.005 0.00250.005 0.0025 < 0.001 0.0005 < 0.001 0.0005 < 0.005 0.0025 < 0.005 0.0025
5/2020 DMR AVG
5/5/2020 LTMP < 0.005 0.0025 < 0.005 0.0025 < 0.001 0.0005 < 0.001 0.0005 < 0.005 0.0025 < 0.005 0.0025
6/2020 DMR AVG
6/4/2020 LIMP < 0.005 0.0025 < 0.005 0.0025 < 0.001 0.0005 < 0.001 0.0005 < 0.005 0.0025 < 0.005 0.0025
7/2020 DMR AVG _
7/14/2020 LTMP < 0.0025 < 0.005 0.0025 < 0.001 0.0005 < 0.001 0.0005 < 0.005 0.0025 0.005 0.0025
8/2020 DMR AVG
8/11/2020 LTMP < 0.005 0.0025 < 0.005, 0.0025 < 0.001 0.0005 < 0.001 0.0005 < 0.005 0.0025 < 0.005 0.0025
9/2020 DMR AVG
9/3/2020 LTMP < 0.005 0.0025 < 0.005 0.0025 < 0.001 0.0005 < 0.001 0.0005 < 0.005 0.0025 < 0.005 0.0025
10/2020 DMR AVG
10/8/2020 LTMP < 0.005 0.0025< 0.005 0.0025 < 0.001 0.0005 < 0.001 0.0005 < 0.005 0.0025 < 0.005 0.0025
11/2020 DMR AVG <
11/3/2020 LTMP < 0.005 0.0025 < 0.005 0.0025 < 0.001 0.0005 < 0.001 0.0005 < 0.005 0.00250.005 0.0025
12/2020 DMR AVG _
12/3/2020 LTMP < 0.005 0.0025 < 0.005 0.0025 < 0.001 0.0005 < 0.001 0.0005 < 0.005 0.0025 0.005 0.0025
Column Averages=> 0.0025 0.0025 0.0005 0.0005 0.0025 0.0025
Unpaired Site Specific RR=> 50%BDL Unpaired Site Specific RR=> 50%BDL Unpaired Site Specific RR=> 50%BDI
Literature/Default RR=> 45.00% Literature/Default RR=> 67.00% Literature/Default RR=> 82.00%
100 %of data is BDL 100 %of data is BDL 100 %of data is BDL
RR for this HWA=> 45.00% RR for this HWA=> 67.00% RR for this HWA=> 82.00%
removal rates
Removal Rates
Page 2 of 5 pages
4/15/2021, 7:51 AM
Revision:August 1999

Removal Rate Calculations
COPPER CYANIDE LEAD
_ Influent l .c l in Effluent Used in Influent Used in Effluent Used in Influent Used in Effluent Used in
Sample Date < mg/L Calculation < mg/L Calculation < mg/L Calculation < mg/L Calculation < mg/L Calculation <, mg/L Calculation
1/2020 DMR AVG < 0.002 0.001
1/79/2020 LIMP 0.026 0.026 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025
2/2020 DMR AVG < 0.002 0.001
2/4/2020 LTMP 0.017 0.017 < 0.005 0.0025 < 0.005 0.0025 <' 0.005 0.0025 < 0.005r 0.0025
3/2020 DMR AVG < 0.002 0.001 _ _
3/3/2020 LTMP 0.014 0.014 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025
4/2020 DMR AVG 0.002 0.002 4/7/2020 LTMP 0.019 0.019 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025< _' 0.005 0.0025
5/2020 DMR AVG < 0.002 0.001
5/5/2020 LTMP 0.018 0.018 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025
6/2020 DMR AVG 1 0.002 0.001
6/4/2020 LTMP 0.019 0.019 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025
7/2020 DMR AVG 0.002 0.001
7/14/2020 LTMP 0.029 0.029 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025
8/2020 DMR AVG • 0.002 0.001
8/11/2020 LTMP 0.02 0.02 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025< 0.005. 0.0025
9/2020 DMR AVG • 0.002 0.001
9/3/2020 LTMP 0.022 0.022 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025
I
10/2020 DMR AVG < 0.002 0.001
10/8/2020 LTMP 0.022 0.022 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025
11/2020 DMR AVG < 0.002 0.001 •
11/3/2020 LTMP 0.022 0.022 • 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025
12/2020 DMR AVG < 0.002 0.001
12/3/2020 LTMP 0.015 0.015 _ • 0.005 0.0025 < U 005 0.0025 < 0.005 0.0025 < 0.005 0.0025
Column Averages=> 0.0203 0.0011 0.0025 0.0025 0.0025 0.0025
Unpaired Site Specific RR=> 94.65% Unpaired Site Specific RR=> 50%BDL Unpaired Site Specific RR=> 50%BDI
Literature/Default RR=> 86.00% Literature/Default RR=> 69.00% Literature/Default RR=> 61.00%
46 %of data is BDL 100 %of data is BDL 100 %of data is BDL
RR for this HWA=> 94.65% RR for this HWA=> 69.00% RR for this HWA=> 61.00%
removal rates
Removal Rates
Page 3 of 5 pages
4/15/2021, 7:51 AM
Revision:August 1999
I

Removal Rate Calculations
MERCURY MOLYBDENUM NICKEL
Influent Used in IN1 Used in Influent Used in Effluent Used in Influent Used in Ea Used in
Sample Date mg/L Calculation < Calculation mg/L Calculation < mg/L Calculation < ml Calculation < Calculation
1/2020 DMR AVG -
1/79/2020 LTMP 0.00031 0.00031 121 0.000001 0.0000005 < 0.01 0.005 <` 0.01 0.005 < 0.01 0.005 < 0.01 0.005
2/2020 DMR AVG ,
2/4/2020 LTMP a 0.0002 0.0001 i 0.000001 0.0000005 0.01 0.005 < 0.01 0.005 0.011 0.011 < 0.01 0.005
3/2020 DMR AVG -
3/3/2020 LTMP I 0.0002 0.0001 I 0.000001 0.0000005 1 0.01 0.005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005
4/2020 DMR AVG I I
4/7/2020 LTMP 0.0002 0.0001 I 0.000001 0.0000005 0.01 0.005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005
5/2020 DMR AVG
5/5/2020 LTMP 0.0002 0.0002 12 0.000001 0.0000005 0.01 0.005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005
6/2020 DMR AVG I6/4/2020 LTMP G 0.0002 0.0001 12 0.000001 0.0000005 0.01 0.005 < 0.01 0.005 < 0.01 0.005'< 0.01 0.005
7/2020 DMR AVG
7/14/2020 LTMP 0.0002 0.0001 II 0.000001 0.0000005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005
8/2020 DMR AVG I--
8/11/2020 LTMP 0.0002 0.0001 El 0.000001 0.0000005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005
9/2020 DMR AVG -
9/3/2020 LTMP 0.0002 0.0001 1 0.000001 0.0000005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005,< 0.01 0.005
10/2020 DMR AVG
10/8/2020 LTMP 0.0002 0.0001 111 0.000001 0.0000005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005
11/2020 DMR AVG
11/3/2020 LTMP M 0.0002 0.0001 a 0.000001 0.0000005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005
12/2020 DMR AVG
12/3/2020 LTMP < 0.0002 0.0001 < 0.000001 0.0000005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005 < 0.01 0.005
Column Averages=> 0.00013 0.00000 0.0050 0.0050 0.0055 0.0050
. Unpaired Site Specific RR=> >50%BDLI Unpaired Site Specific RR=> 50%BDL Unpaired Site Specific RR=> 50%BDI
Literature/Default RR=> 60.00% Literature/Default RR=> 33.00% Literature/Default RR=> 42.00%
92 %of data is BDL 100 %of data is BDL 96 %of data is BDL
RR for this HWA= 60.00% RR for this HWA=> 33.00% RR for this HWA= 42.00%
removal rates
Removal Rates
Page 4 of 5 pages
4/15/2021. 7:51 AM
Revision August 1999 !,

Removal Rate Calculations
SELENIUM
Influent Used in Effluent Used in Influent Used in Effluent Used in Influent Used in Effluent Used in
Sample Date < mg/L Calculation < mg/L Calculation `< mg/L Calculation < m Calculation < mg/L Calculation < mg/L Calculation
1/2020 DMR AVG 0.041 0.041
I
1/79/2020 LTMP < 0.01 0.005 < 0.01 0.005 < 0.005 0.0025 < 0.005 0.0025 0.088 0.088
2/2020 DMR AVG 0.041 0.041
2/4/2020 LTMP < 0.01 0.005 < 0.01 0.005 < 0.005 0.0025 < 0.005 0.0025 0.092 _0.092
3/2020 DMR AVG 0.028 0.028
3/3/2020 LIMP < 0.01 0.005 < 0.01 0.005 < 0.005 0.0025 < 0.005 0.0025 0.079 0.079
4/2020 DMR AVG 0.031 0.031
4/7/2020 LTMP < 0.01 0.005 < 0.01 0.005 0.005 0.0025 < 0.005 0.0025 0.062 0.062
5/2020 DMR AVG 0.03 0.03
5/5/2020 LIMP < 0.01 0.005 < 0.01 0.005 0.005 0.0025 < 0.005 0.0025 0.073 0.073
6/2020 DMR AVG 0.036 0.036
6/4/2020 LTMP < 0.01 0.005 < 0.01 0.005 < 0.005 0.0025 < 0.005 0.0025 0.09 0.09
7/2020 DMR AVG 0.037 0.037
7/14/2020 LIMP < 0.01 0.005 < 0.01 0.005 -- 0.005 0.0025 <_ 0.005 0.0025 0.083 0.083
8/2020 0 0 DMR AVG0.039 0.039
8/11/2020 LIMP < 0.01 0.005 < 0.01 0.005 < 0.005 0.0025 < 0.005 0.0025 0.072 0.072'
9/2020 DMR AVG 0.042 0.042
9/3/2020 LIMP 0.005 < 0.01 0.005 < 0.005 0.0025 < 0.005 0.0025 0.103 0.103
10/2020 DMR AVG 0.039 0.039
11
10/8/2020 LTMP < 0.01 0.005 < 0.01 0.005 < 0.005 0.0025 0.0025 0.079 0.079
11/2020 DMR AVG 0.032 0.032
11
11/3/2020 LIMP 0.005 < 0.01 0.005 < 0.005 0.0025 < 0.005 0.0025 0.078 0.078
12/2020 DMR AVG 0.034 0.034
12/3/2020 LIMP < 0.01 0.005 < 0.01 0.005 < 0.005 0.0025 < 0.00.5 0.0025 0.059 0.059
Column Averages=> 0.0050 0.0050 0.0025 0.0025 0.0798 0.0358
Unpaired Site Specific RR=> 50%BDL Unpaired Site Specific RR=> 50 BDL Unpaired Site Specific RR=> 55.11%
Literature/Default RR=> 50.00% Literature/Default RR=> 75.00% Literature/Default RR=> 79.00%
100 %of data is BDL 100 %of data is BDL 0 %of data is BDL
RR for this HWA=> 50.00% RR for this HWA=> 75.00% RR for this HWA=> 55.11%
removal rates
Removal Rates
Page 5 of 5 pages
4/15/2021, 7:51 AM
Revision:August 1999

SIU.Uncont.Mass.Bal
N FLOW BOD TSS AMMONIA ARSENIC
INDUSTRY Industry Average Discharge Average Discharge Average Discharge Average Discharge Average Discharge
IUP NAMES Permit/Pipe Conc. Load Conc. Load Conc. Load Conc. Load
Count (please list alphabetically) number MGD gal/day mg/1 lbs/day mg/1 lbs/day mg/I lbs/day mg/1 lbs/day
1 AAF Flanders 0003/1 0.0192 19,200 27.06 4.33 2.11 0.34
2
3
4 ip,
5 ii
6
� 1
7
ii
8
III ..II IMIIIM IINIMEN
10
11
12
13
.
Sum of Industrial Loading(lbs/day)_> 0.01921 19200 4.3331 f 0.3379 I
MGD gal/day mg/1 lbs/day mg/I lbs/day mg/1 lbs/day mg/1 lbs/day
Avg Influent loading(lbs/day)=>I 2.50912,509,000 1 15.42 2415.17 98.167 2054.15 2033 425.4065 0.0025 0.0523
Uncontrollable Load from Mass Bal(lbs/day)=> 2.4898 2,410.84 2,053.81
Uncontrollable Concen. from Mass Bal(mg/L)=> ( 1161 I 991 f I r I
Uncont. from Uncont. Sampling(mg/L+lbs/day)_>
Uncontrollable Concen. From Literature(mg/L)_> I 2501 I 250J I 251 I 0.0031
Uncontrollable conc.to be used in HWA(mg/L)_> 116 99 25 0.003
Spreadsheet Instructions:
1)Applicable Values should be entered in the Heavy Bordered cells. Rest of worksheet is Choose"Uncontrollable Concentration to be used in HWA"(row 31)from Uncontrollable
protected,password is"2 Concentration From "Mass Balance"(row 25),
2)Formulas are discussed in the Comprehensive Guidance,Chapter 5,Section E,page 5. "Sampling"(row 27),or"Literature"(row 29). Document reasons.
Uncontrollable Mass Balance Spreadsheet 2021
SIU.Uncont.Mass.Bal
Page 1 of 5 pages
4/15/2021,7:52 AM
Revision:August 1999

SIU.Uncont.Mass.Bal
FLOW CADMIUM CHROMIUM COPPER CYANIDE
INDUSTRY Industry Average Discharge Average Discharge Average Discharge Average Discharge Average Discharge
IUP NAMES Permit/Pipe Conc. Load Conc. Load Conc. Load Conc. Load
Count (please list alphabetically) number MGD gal/day mg/I lbs/day mg/1 lbs/day mg/1 lbs/day mg/1 lbs/day
1 AAF Flanders 0003/1 0.0192 19,200 0.0005 0.0001 0.0025 0.0004 0.0164 0.0026 0.0213 0.0034
2
3
4 5 -6 7 •
8
9
10 11
12
13
Sum of Industrial Loading(lbs/day)=> 0.0192 19200 0.0001 0.0004 0.0026 0.0034
MGD gal/day mg/I lbs/day mg/I lbs/day mg/1 lbs/day mg/1 lbs/day
Avg Influent loading(lbs/day)=>I 2.50912,509,000 0.00051 0.0105 0.0025� 0.0523 0.0203� 0.4248� 0.0025� 0.0523
Uncontrollable Load from Mass Bal(lbs/day)_> 2.4898 0.0104 0.0519 0.4222 0.0489
Uncontrollable Concen. from Mass Bal(mg/L)=> I 0.0005I I 0.00251 1 0.0201 1 0.00241
Uncont. from Uncont. Sampling(mg/L+lbs/day)_>
Uncontrollable Concen. From Literature(mg/L)_> I 0.0031 1 0.051 I 0.0611 I 0.0411
Uncontrollable conc.to be used in HWA(mg/L)_> 0.003 0.05 0.061 0.041
Spreadsheet Instructions:
1)Applicable Values should be entered in the Heavy Bordered cells. Rest of worksheet is Choose"Uncontrollable Concentration to be used in HWA"(row 31)from Uncontrollable
protected, password is"2". Concentration From "Mass Balance"(row 25),
2)Formulas are discussed in the Comprehensive Guidance,Chapter 5,Section E,page 5. "Sampling"(row 27),or"Literature"(row 29). Document reasons.
Uncontrollable Mass Balance Spreadsheet 2021
SIU.Uncont.Mass.Bal
Page 2 of 5 pages
4/15/2021,7:52 AM
Revision:August 1999

,
SIU.Uncont.Mass.Bal
��� FLOW LEAD MERCURY MOLYBDENUM NICKEL
INDUSTRY Industry Average Discharge Average Discharge Average Discharge Average Discharge Average Discharge
IUP NAMES Permit/Pipe Conc. Load Conc. Load Conc. Load Conc. Load
Count (please list alphabetically) number MGD gal/day mg/1 lbs/day mg/1 lbs/day mg/1 lbs/day mg/1 lbs/day
I AAF Flanders 0003/1 0.0192 19,200 0.0025 0.0004� 0.005 0.0008
2 1.... �_
3
4
i
5
6
7
....
8
9 _
10
11 1....
12
13
Sum of Industrial Loading(lbs/day)=> 0.01921 19200 0.0004 � I - I 0.0008
MGD gal/day mg/I lbs/day mg/1 lbs/day mg/1 lbs/day mg/I lbs/day
Avg Influent loading(lbs/day)=>I 2.509I2,509,000 0.0025 0.0523 ( 1 0.00272 0.005 0.1046 0.0055 0.1151
Uncontrollable Load from Mass Bal(lbs/day)=> 2.48981 0.0519 0.1143
Uncontrollable Concen. from Mass Bal(mg/L)=> I 0.00251I I r I I0.0055
Uncont. from Uncont. Sampling(mg/L+lbs/day)_>
Uncontrollable Concen. From Literature(mg/L)_> I 0.049I I 0.00031 I J I 0.0211
Uncontrollable conc. to be used in HWA(mg/L)_> 0.049 0.0003 0.005 0.005
Spreadsheet Instructions:
1)Applicable Values should be entered in the Heavy Bordered cells. Rest of worksheet is Choose"Uncontrollable Concentration to be used in HWA"(row 31)from Uncontrollable
protected,password is"2". Concentration From "Mass Balance"(row 25),
2)Formulas are discussed in the Comprehensive Guidance,Chapter 5,Section E,page 5. "Sampling"(row 27),or"Literature"(row 29). Document reasons.
Uncontrollable Mass Balance Spreadsheet 2021
SIU.Uncont.Mass.Bal
Page 3 of 5 pages
4/15/2021,7:52 AM
Revision:August 1999

SIU.Uncont.Mass.Bal
N FLOW SELENIUM SILVER ZINC Oil &Grease
INDUSTRY Industry Average Discharge Average Discharge Average Discharge Average Discharge Average Discharge
IUP NAMES Permit/Pipe Conc. Load Conc. Load Conc. Load Conc. Load
Count (please list alphabetically) number MGD gal/day mg/I lbs/day mg/I lbs/day mg/1 lbs/day mg/I lbs/day i
1 AAF Flanders 0003/1 0.0192 19,200 0.0025 0.0004 0.2089 0.0335
2
i
3
-.4 -1
4
5 �... ..._ � F
6 .... .. ..
7
8 �.1 ....1
9
ii
10 �.1
11
12
13
Sum of Industrial Loading(lbs/day)=>11•••=1 1920041 1 0.0004 I 0.0335 I
MGD gal/day mg/1 lbs/day mg/I lbs/day mg/1 lbs/day mg/I lbs/day
Avg Influent loading(lbs/day)=>I 2.50912,509,000 0.005� 0.1046 0.0025� 0.0523 0.0798� 1.6698
Uncontrollable Load from Mass Bal(lbs/day)=> 2.4898 0.0519 1.6364
Uncontrollable Concen. from Mass Bal(mg/L)=> I I I 0.00251 r 0.07881 I I
Uncont. from Uncont. Sampling(mg/L+lbs/day)_>
Uncontrollable Concen. From Literature(mg/L)_> I I I 0.0051 I 0.1751 501
Uncontrollable conc. to be used in HWA(mg/L)_> 0.005 0.005 0.175 50
Spreadsheet Instructions:
1)Applicable Values should be entered in the Heavy Bordered cells. Rest of worksheet is Choose"Uncontrollable Concentration to be used in HWA"(row 31)from Uncontrollable
protected,password is"2". Concentration From "Mass Balance"(row 25),
2)Formulas are discussed in the Comprehensive Guidance,Chapter 5,Section E,page 5. "Sampling"(row 27),or"Literature"(row 29). Document reasons.
Uncontrollable Mass Balance Spreadsheet 2021
SIU.Uncont.Mass.Bal
Page 4 of 5 pages
, _ 4/15/2021,7:52 AM
Revision:August 1999

SIU.Uncont.Mass.Bal
N FLOW Total Nitrogen Total Phosphorus
INDUSTRY Industry Average Discharge Average Discharge Average Discharge Average Discharge Average Discharge
IUP NAMES Permit/Pipe Conc. Load Conc. Load Conc. Load Conc. Load
Count (please list alphabetically) number MGD gal/day mg/I lbs/day mg/1 lbs/day mg/I lbs/day mg/1 lbs/day
1 AAF Flanders 0003/I 0.0192 19,200 19.65 3.1465 0.355 0.0568
2 _
3ill=I=
4
5
6
7 MIE
-
8 r
9
10MIE
11
12
13
Sum of Industrial Loading(lbs/day)=> 0.01921 19200 3.1465 0.0568
MGD gal/day mg/1 lbs/day mg/1 lbs/day mg/I lbs/day mg/1 lbs/day
Avg Influent loading(lbs/day)=>I 2.50912,509,000 25.54 534.4260 4.202 87.9271
Uncontrollable Load from Mass Bal(lbs/day)=> 2.4898 531.2795 87.8703
Uncontrollable Concen. from Mass Bal(mg/L)=> I 25.58541 I 4.23171 I I
Uncont. from Uncont. Sampling(mg/L+lbs/day)_>
Uncontrollable Concen. From Literature(mg/L)_> I I I I
I r 1
Uncontrollable conc. to be used in HWA(mg/L)_> 25 4.2
Spreadsheet Instructions:
1)Applicable Values should be entered in the Heavy Bordered cells. Rest of worksheet is Choose"Uncontrollable Concentration to be used in HWA"(row 31)from Uncontrollable
protected, password is"2 Concentration From "Mass Balance"(row 25),
2)Formulas are discussed in the Comprehensive Guidance,Chapter 5,Section E,page 5. "Sampling"(row 27),or"Literature"(row 29). Document reasons.
Uncontrollable Mass Balance Spreadsheet 2021
SIU.Uncont.Mass.Bal
Page 5 of 5 pages
4/15/2021,7:52 AM
Revision:August 1999

Washington Influent Data Summary 2020
1Sample Location: I FLOW BOD AMMONIA
Influent Used in Calculated Used in Calculated Used in Calculated
Sample Date 1 MGD < mg/L Calculation lbs/day < mg/L Calculation lbs/day < mg/L Calculation lbs/day
1/2020 DMR AVG Spreadsheet 2.2141 146 146 2695.98 139 139 2566.72 23.2 23.2 428.40
Instructions: ....=..�
1/9/2020 LIMP 1) Data
2/2020 DMR AVG enteredHeavy only in2.8949 Ill 111 2679.92 99 99 2390.20 18.3 18.3 441.83
2/4/2020 LTMP Bordered cells.
Rest of r
3/2020 DMR AVG worksheet is 2.5129 120 120 2514.91 116 116 2431.08 18.8 18.8 394.00
protected,
3/3/2020 LTMP i�
password is
4/2020 DMR AVG '2'. 2.3012 126 126 2418.19 117 117 2245.46 20.4 20.4 391.52
4/7/2020 LTMP 2) For below
detection data, ��
5/2020 DMR AVG enter"<"in"<" 2.3641 147 147 2898.34 99 99 1951.94 25.2 25.2 496.86
5/5/2020 LTMP column,and
enter detection
6/2020 DMR AVG level in Influent 2.3746 104 104 2059.63 86 86 1703.16 19 19 376.28
or Effluent
6/4/2020 LTMP mg/I columns.
Spreadsheet
7/2020 DMR AVG will auto- 2.1236 121 121 2143.01 97 97 1717.95 24.3 24.3 430.37
7/14/2020 LTMP matically
calculate
8/2020 DMR AVG averages and 2.699 97 97 2183.44 85 85 1913.32 18.40 18.4 414.18
removal rates ^ mmin
8/11/2020 LIMP using 1/2
9/2020 DMR AVG value entered- 3 106 106 2160.86 99 99 2018.16 22.2 22.2 452.56
9/3/2020 LTMP
10/2020 DMR AVG 2.228 111 111 2062.55 82 82 1523.68 20.2 20.2 375.35
10/8/2020 LIMP
11/2020 DMR AVG 2.9250 104 10,1 2537.03 86 86 2097.93 18.6 18.6 453.74
11/3/2020 LIMP
12/2000 DMR AVG 3.0273 92 92 2322.79 73 73 1843.08 15.4 15.4 388.81
12/3/2020 LIMP
Column Averages=> 2.50908 115.42 2389.72 98.17 2033.56 20.33 420.32
Washington Influent Data Summary 2020
data summary
Page 1 of 5 pages
4/15/2021, 7:52 AM
Revision:August 1999

Washington Influent Data Summary 2020
Sample Location: FLOW CADMIUM C IROMIUM
Influent Used in Calculated Used in Calculated Used in Calculated
Sample Date J MUD < mg/1, Calculation lbs/day < mg/L Calculation lbs/day < mg/L Calculation lbs/day
1/2020 DMR AVG Spreadsheet 2.2141
Instructions:
1/9/2020 LIMP 1) Data < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
2/2020 DMR AVG e
red only in 2.8949
vy
2/4/2020 LIMP Bordered cells. < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
Rest of
3/2020 DMR AV(i worksheet is 2.5129
3/3/2020 LUMP protected,password is < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
4/2020 DMR AVG 2
4/7/2020 LUMP 2) For below < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.006 0.003 0.0000
detection data, minimmi 1
5/2020 DMR AVG enter"<"in"<" 2.3641
5/5/2020 LIMP column,and enter detection < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
6/2020 DMR AVG level in Influent
or Effluent --
6/4/2020 LIMP mg/I columns. < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
Spreadsheet
7/2020 DMR AVG win auto- 2.1236
7/14/2020 LIMP maticauy < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
calculate _
8/2020 DMR AVG averages and 2 699
removal rates
8/11/2020 LTMP using 1/2 < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
9/2020 DMR AVG value entered. 2.4443
9/3/2020 LUMP < 0.01)5 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
10/2020 DMR AVG
10/8/2020 LUMP < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
11/2020 DMR AVG
11/3/2020 LIMP < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
12/2000 DMR AVG 3.0273
12/3/2020 LIMP < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
.
Column Averages=> 2.50908 0.0025 0.0000 0.0005 0.0000 0.0025 0.0000
Washington Influent Data Summary 2020
data summary
Page 2 of 5 pages
4/15/2021, 7:52 AM
Revision:August 1999

Washington Influent Data Summary 2020
Sample Location: I FLOW COPPER CYANIDE LEAD
Influent Used in Calculated Used in Calculated Used in Calculated
Sample Date I MGD < mg/L Calculation lbs/day < mg/L Calculation lbs/day < mg/L Calculation lbs/day
1/2020 DMR AVG Spreadsheet 2.2141
Instructions: 1.mis
1/9/2020 LTMP 1) Data 0.026 0.026 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
2/2020 DMR AVG enteredavy only in ^�2
.8949
He ..�
2/4/2020 LTMP Bordered cells. 0.017 0.017 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
Rest of
3/2020 DMR AVG worksheet is 2.5129
3/3/2020 LTMP protected, i i
password is 0.014 0.014 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
4/2020 DMR AVG '2". 2.3012
4/7/2020 LTMP 2) For below ..1 0.019 0.019 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
detection data. Iii
5/2020 DMR AVG enter"<"in"<" 2.3641
5/5/2020 LTMP column,and enter detection 0.018 0.018 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000 6/2020 DMR AVG level in Influent �2.3746
or Effluent
6/4/2020 LIMP mgn columns. 0.019 0.019 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
S7/2020 DMR AVG will auto-sheet2.1236
7/14/2020 LTMP mcalcaticallulatey 0.029 0.029 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
8/2020 DMR AVG averages and 2.699
8/11/2020 LTMP usingv1/gates �� 0.02 0.02 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
value entered. t� \ -
9/2020 DMR AVG2.4443
9/3/2020 LIMP 0.022 0.022 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
10/2020 DMR AVG 2.228
10/8/2020 LIMP 0.022 0.022 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
11/2020 DMR AVG 2.9250
11/3/2020 LIMP 0.022 0.022 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
12/2000 DMR AVG 3.0273
12/3/2020 LIMP 0.015 0.015 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
Column Averages=> 2.50908 0.0203 0.0000 0.0025 0.0000 0.0025 0.0000
Washington Influent Data Summary 2020
data summary
Page 3 of 5 pages
4/15/2021, 7:52 AM
Revision:August 1999

Washington Influent Data Summary 2020
Sample Location: I FLOW MOLYBDENUM NICKEL
Influent Used in Calculated Used in Calculated Used in Calculated
, Sample Date j MGD < mg/L Calculation lbs/day < mg/L Calculation lbs/day < mg/L Calculation lbs/day
1/2020 DMR AVG Spreadsheet 2.2141
Instructions: 1 -
1/9/2020 LTMP 1) Data 0.00031 0.00031 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
2/2020 DMR AVG entered only in2.8949
2/4/2020 LTMP Bordered
cells. < 0.0002` 0.0001 0.00000 r< 0.01 0.005 0.0000 0.011 0.011 0.0000
R3/2020 DMR AVG worksheet is 2.5129
3/3/2020 LIMP protected. '�password is < 0.0002 0.0001 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
4/2020 DMR AVG •2•. 2.3012
4/7/2020 LTMP 2) For below < 0.0002 0.0001 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
detection data,
5/2020 DMR AVG enter"<"in"<" 2.3641
5/5/2020 LIMP column,and 0.0002 0.0002 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
enter detection sss.
6/2020 DMR AVG level in Influent 2.3746
Of Effluent 1 ..1
6/4/2020 LTMP mgn columns. < 0.0002 0.0001 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
11
7/2020 DMR AVG wit rautoheet
7/14/2020 LTMP matically < 0.0002 0.0001 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
calculate s'IIMMIENEMM
8/2020 DMR AVG averages and 2.699
removal rates 1 , 1- r
8/11/2020 LTMP using 1/2 < 0.0002 0.0001 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
9/2020 DMR AVG value entered. 2.4443
11
9/3/2020 LIMP < 0.0002 0.0001 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
10/2020 DMR AVG 2.228
10/8/2020 LIMP < 0.0002 0.0001 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
11/2020 DMR AVG 2.9250
11/3/2020 LTMP < 0.0002 0.0001 0.00000 < 0.01 0.0 0.0000 < 0.01 0.005 0.0000
12/2000 DMR AVG 3.0273 _
12/3/2020 LIMP 0.0002 0.0001 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
iiimi
Column Averages=> 2.50908 0.00013 0.00000 0.0050 0.0000 0.0055 0.0000
Washington Influent Data Summary 2020
data summary
Page 4 of 5 pages
4/15/2021, 7:52 AM
Revision:August 1999

Washington Influent Data Summary 2020
(Sample Location: I FLOW SELENIUM ZINC
Influent Used in Calculated Used in Calculated Used in Calculated
Iule Date ` MGD < mg/L Calculation lbs/day < mg/L Calculation lbs/day < mg/L Calculation lbs/day
1/2020 DMR AVG Spreadsheet 2.2141
Instructions: 11
1/9/2020 LTMP 1) Data < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.088 0.088 0.0000
2/2020 DMR AVG entered only in
Heavy 2.8949
2/4/2020 LTMP Bordered cells. Immillimi < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.092 0.092 0.0000
Rest of
3/2020 DMR AVG worksheet is 2.5129
protected, 11 3/3/2020 LTMP < 0.01 0.005 0.0000 < _0.005 0.0025 0.0000 0.079 0.079 0.0000
password is
4/2020 DMR AVG "2". 2.3012
4/7/2020 LTMP 2) For below < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.062 0.062 0.0000
detection data,
5/2020 DMR AVG enter• in"<• 2.3641
5/5/2020 LTMP column,and enter detection < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.073 0.073 0.0000
l6/2020 DMR AVG or levelEffl inuuent Influent 2,3746
6/4/2020 LIMP mg/I columns. < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.09 0.09 0.0000
Spreadsheet ii
7/2020 DMR AVG will auto- 2.1236
7/14/2020 LTMP mcalculaaticalltey < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.083 0.083 0.0000
8/2020 DMR AVG averages and 2.699
removal rates - - - A
8/11/2020 LTMP using 1/2 < 0.01 0.005 0.0000 < 0.005 0,0025 0.0000 0.072 0.072 0.0000
9/2020 DMR AVG value entered. 2.4443
9/3/2020 LTMP < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.103 0.103 0.0000
10/2020 DMR AVG _2.228
10/8/2020 LIMP < 0.01 0.005 0.0000 < r 0.005 0.0025 0.0000 0.079 0.079 0.0000
11/2020 DMR AVG
11/3/2020 LIMP < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.078 0.078 0.0000
12/2000 DMR AVG 3.0273
12/3/2020 LTMP < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.059 0.059 0.0000
-
."11111111
Col[mm Averages=> 2.50908 0.0050 0.0000 0.0025 0.0000 0.0798 I 0.0000
Washington Influent Data Summary 2020
data summary
Page 5 of 5 pages
4/15/2021, 7:52 AM
Revision:August 1999

L „�
Washington Effluent Data Summary
Sample Location: I FLOW BOD AMMONIA
IEffluent Used in Calculated Used in Calculated Used in Calculated
Sample Date I 1,.?1,12.12., < mg/L Calculation lbs/day < mg/L Calculation lbs/day < mg/L Calculation lbs/day
1/2020 DMR AVG Spreadsheet 2.2141 < 2 1 18.47 < 2.5 1.25 23.08 0.05 0.05 0.92
Instructions:
1/9/2020 LIMP 1) Data
entered only in
2/2020 DMR AVG Heavy 2.8949 < ? 1 24.14 < 2.5 1.25 30.18 0.05 0.05 1.21
2/4/2020 LIMP Bordered cells.
Rest of
3/2020 DMR AVG worksheet is 2.5129 < 2 I 20.96 < 2.5 1.25 26.20 0.6 0.6 12.57
protected,
3/3/2020 LTMP �� I
password is
4/2020 DMR AVG .2. < 2 I 19.19 < 2.5 1.25 23.99 0.05 0.96
4/7/2020 LTMP 2) For below
detection data, � ,
5/2020 DMR AVG enter in"<" 2.3641 < 2 1 19.72 < 2.5 1.25 24.65 0.05 0.05 0.99
column,and
5/5/2020 LTMP `�
enter detection -rr
6/2020 DMR ��AVG level in Influent 2.3746 < 2 I 19.80 < 2.5 1.25 24.76 0.06 0.06 1.19
or Effluent
6/4/2020 LTMP mgn columns.
7/2020 DMR AVG tMlllrautto- 2.1236 t eet < 2 1 17.71 < 2.5 1.25 22.14 0.04 0.04 0.71
7/14/2020 LIMP matica
calculatelly --
8/2020 DMR AVG averages and 2.699 2 1 22.51 < 2.5 1.25 28.14 0.04 0.04 0.90
removal rates ,
8/11/2020 LTMP using 1/2
9/2020 DMR AVG value entered. 3 1 1 20.39 < 2.5 1.25 25.48 0.03 0.03 0.61
9/3/2020 LTMP
10/2020 DMR AVG 2.228 2 1 18.58 < 2.5 1.25 23.23 0.03 0.03 0.56
10/8/2020 LTMP I
11/2020 DMR AVG 2.9250 2 1 24.39 < 2.5 1.25 30.49 0.14 0.14 3.42
11/3/2020 LIMP
12/2020 DMR AVG 3.0273 < 2 I 25.25 < 2.5 1.25 31.56 0.06 0.06 1.51
12/3/2020 LIMP
ii
Column Averages=> 2.50908 1.00 20.93 1.25 26.16 0.10 2.13
Washington Effluent Data Summary
data summary I
Page 1 of 5 pages
4/15/2021, 7:52 AM
Revision:August 1999
I

Washington Effluent Data Summary
Sample Location: FLOW CADMIUM CUROMIUM
Effluent Used in Calculated Used in Calculated Used in Calculated
Sample Date J MGD < mg/I Calculation lbs/day _ < mg/I. Calculation lbs/day < mg/L Calculation lbs/day
1/2020 DMR AVG Spreadsheet 2.2141
Instructions.
/9/20201,"I'MP 1) Data data < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
2/2020 DMR AVG entered only in 2.8949
Heavy
2/4/2020 LTMP Bordered cells. - < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
Rest of -.
3/2020 DMR AVG worksheet is 2.5129
3/3/2020 I.TMP protected.password is < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
4/2020 DMR AVG "2„ 2.3012
4/7/2020 LTMP 2) For below < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
detection data.
5/2020 DMR AVG enter"<"in"<" 2.3641 __
colu
enter detection
5/5/2020 LTMP and < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
enter d
6/2020 DMR AVG level in Influent - 2.3746
or Effluent
6/4/2020 LIMP mg/I columns. < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
Spreadsheet
7/2020 DMR AVG will auto- 2.1236
7/14/2020 LTMP maticauy < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
calculate _ ,
8/2020 DMR AVG averages and 2.699 removal rates -
8/11/2020 LTMP using 1/2 < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
9/2020 DMR AVG value entered. 2.4443
9/3/2020 LTMP < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
10/2020 DMR AVG 2.228
10/8/2020 LTMP < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
11/2020 DMR AVG 2.9250
11/3/2020 I.TMP .< 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
12/2020 DMR AVG 3.0273
12/3/2020 LTMP < 0.005 0.0025 0.0000 < 0.001 0.0005 0.0000 < 0.005 0.0025 0.0000
Column Averages=> 2.50908 0.0025 0.0000 0.0005 0.0000 0.0025 0.0000
Washington Effluent Data Summary
data summary
Page 2 of 5 pages
4/15/2021, 7:52 AM
Revision:August 1999

Washington Effluent Data Summary
Sample Location: FLOW OPPER CYANIDE LEAD
Effluent Used in Calculated Used in Calculated Used in Calculated
Sample Date J MGD < mg/L Calculation lbs/day < mg/L Calculation lbs/day < mg/L Calculation lbs/day
1/2020 DMR AVG Spreadsheet 2.2141
Instructions: min
1/9/2020 LIMP 1> Data < 0.002 0.001 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
2/2020 DMR AVG enteredHeavy only in 2.8949
2/4/2020 LIMP Bordered cells. < 0.002 0.001 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
Rest of -
3/2020 DMR AVG worksheet is 2.5129
3/3/2020 LIMP protected.password is < 0.002 0.001 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
4/2020 DMR AVG 2 2.3012
_
4/7/2020 L I'MP 2) For below 0.002 0.002 0.0000 .< 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
detection data,
5/2020 DMR AVG enter in"<" 2.3641
5/5/2020 LIMP t and
enteerr detection < 0.002 0.001 0.0000 < 0.005 0.0025 0.0000 < 0.005r 0.0025 0.0000
en d
_
6/2020 DMR AVG lorevel inuEffluent Influent 2.3746
6/4/2020 l;l'MP mg/I columns. < 0.002 0.001 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
Spreadsheet
7/2020 DMR AVG will auto- 2.1236
7/14/202(1 LIMP maticauy '... < 0.002 0.001 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
calculate
8/2020 DMR AVG averages and 2 699
removal rates � i
8/11/2020 LIMP using 1/2 < 0.002 0.001 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
9/2020 DMR AVG value entered. 2.4443
9/3/2020 LIMP < 0.002 0.001 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
1(1/2020 DMR AVG 2.228
10/8/2020 LIMP < 0.002 0.001 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
11/2020 DMR AVG 2.9250
11111
11/3/2020 LIMP < 0.002 0.001 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
12/2020 DMR AVG 3.0273
12/3/2020 LIMP < 0.002 0.001 0.0000 < 0.005 0.0025 0.0000 < 0.005 0.0025 0.0000
1 .11
Column Averages=> 2.50908 0.0011 0.0000 0.0025 0.0000 0.0025 0.0000
Washington Effluent Data Summary
data summary
Page 3 of 5 pages
4/15/2021, 7:52 AM
Revision:August 1999

Washington Effluent Data Summary
Sample Location: I FLOW ERCURY MOLYBDENUM
Effluent Used in Calculated Used in Calculated Used in Calculated
Sample Date j MGD < mg/L Calculation lbs/day < mg/L Calculation lbs/day < mg/L _Calculation. lbs/day
1/2020 DMR AVG Spreadsheet 2.2141
Instructions:
1/9/2020 LTMP 1) Data < 0.00000I 0.0000005' 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
2/2020 DMR AVG eHeanteredvy only in2.89492/4/2020 LTMP Bordered cells 11.11. < 0.00000I 0.0000005 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
Rest of
3/2020 DMR AVG worksheet is 2.5129
3/3/2020 LIMP protected,password is < 0.000001 0.0000005 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
4/2020 DMR AVG '2". 2.3012
4/7/2020 LTMP 2) For below < 0.000001 0.0000005' 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
detection data, ii
5/2020 DMR AVG enter in.<^ 2.3641 <
5/5/2020 LIMP column,and enter detection 11 ' 0.000001 0.0000005 0.000000.01 0.005 0.0000 < 0.01 0.005 0.0000
� ,<
6/2020 DMR AVG level in Influent 2.3746
or Effluent
6/4/2020 LTMP mg/1 columns. < 0.000001 0.0000005 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
Spreadsheet mmmolon
7/2020 DMR AVG will auto- 2.1236
7/14/2020 LTMP calculate maticauy < 0.000001 0.0000005 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
�
8/2020 DMR AVG averages and 2.699
removal rates ii
8/11/2020 LTMP using 1/2 < 0.000001 0.0000005 0.00000 0.01 '' 0.005 0.0000 < 0.01 0.005 0.0000
9/2020 DMR AVG value entered. 1
9/3/2020 LTMP < 0.000001 0.0000005 0.00000 0.01 0.005' 0.0000 < 0.01 0.005 0.0000
10/2020 DMR AVG
10/8/2020 LIMP < 0.000001 0.0000005 0.00000 < 0.01 0.005 0.0000 < 0.01 0.005 0.0000
11/2020 DMR AVG 2.9250
11/3/2020 LIMP < 0.000001 0.0000005: 0.00000 < 0.01 0.005,1 0.0000 < 0.01 0.005 0.0000
12/2020 DMR AVG 3.0273
12/3/2020 LIMP < 0.000001 0,0000005 0.00000 < 0.01 0.005. 0.0000 < 0.01 0.005 0.0000
lommli
Column Averages=> 2.50908 0.0000005 0.00000 0.0050 0.0000 0.0050 0.0000
Washington Effluent Data Summary
data summary
Page 4 of 5 pages
4/15/2021, 7:52AM
" Revision:August 1999

Washington Effluent Data Summary
(Sample Location: FLOW
Effluent Used in Calculated Used in Calculated Used in Calculated
Sample Date I MGD < mg/L i Calculation lbs/day < mg/L Calculation lbs/day < mg/L Calculation lbs/day
1/2020 DMR AVG Spreadsheet 2.2141 Instructions: < _
I/9/2020 LTMP 1) Data 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.041 0.041 0.0000
2/2020 DMR AVG enteredHeavy only in 2.89491
2/4/2020 LTMP Rest Bordered
cells < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 � 0.041 0.0000
f
3/2020 DMR AVG worksheet is 2.5129
3/3/2020 LTMP pa sword is < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.028 0.028 0.028 0.0000
4/2020 DMR AVG 2
4/7/2020 LTMP 2) For below < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.031 0.031 0.0000
detection data, ummom
5/2020 DMR AVG enter in"<" 2.3641
5/5/2020 LTMP enter d and < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.03 0.0000
.- enter detection \
6/2020 DMR AVG level in Influent 2.3746
or Effluent i�
6/4/2020 LTMP mg/I columns. < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.036 0.036 0.0000
Spreadsheet
7/2020 DMR AVG will auto- �
7/14/2020 LTMP maticany < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.037 0.037 0.0000
calculate
8/2020 DMR AVG averages and 2 699
removal rates
8/11/2020 LTMP using 1/2 < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.039 0.039 0.0000
value entered.
9/2020 DMR AVG 2.4443 _
9/3/2020 LTMP < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.042 0.042 0.0000
10/2020 DMR AVG
10/8/2020 LTMP < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.039 0.039 0.0000
11/2020 DMR AVG 2.9250
11/3/2020 LTMP < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.032 0.032 0.0000
12/2020 DMR AVG 3.0273
12/3/2020 LIMP < 0.01 0.005 0.0000 < 0.005 0.0025 0.0000 0.034 0.034 0.0000
Column Averages=> 2.50908 0.0050 0.0000 _ 0.0025 0.0000 0.0358 0.0000J
Washington Effluent Data Summary
data summary
Page 5 of 5 pages
4/15/2021, 7:52 AM
Revision:August 1999

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Total P (Ibs) TSS pH Cadmium Chromium Copper Nickel Lead
< mg/L used in < mg/L used in < S.U.
U used in < mg/L used in < mg/L used in < mg/L used in < ma/L used in < mg/L used in
calculation calculation calculation calculation calculation calculation calculation calculation
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< 2.5 1.25 7.6 7.6 < 0.001 0.0005 < 0.005 0.0025 < 0.002 0.001 < 0.010 0.005 < 0.005 0.0025
< 2.5 1.25 7.4 7.4 < 0.001 0.0005 < 0.005 0.0025 < 0.002 0.001 < 0.010 0.005 < 0.005 0.0025
< 2.5 1.25 7.6 7.6 < 0.001 0.0005 < 0.005 0.0025 0.002 0.002 < 0.010 0.005 < 0.005 0.0025
< 2.5 1.25 7.8 7.8 < 0.001 0.0005 < 0.005 0.0025 < 0.002 0.001 < 0.010 0.005 < 0.005 0.0025
< 2.5 1.25 7.7 7.7 < 0.001 0.0005 < 0.005 0.0025 < 0.002 0.001 < 0.010 0.005 < 0.005 0.0025
< 2.5 1.25 7.9 7.9 < 0.001 0.0005 < 0.005 0.0025 < 0.002 0.001 < 0.010 0.005 < 0.005 0.0025
�< 2.5 1.25 7.8 7.8 < 0.001 0.0005 < 0.005 0.0025 < 0.002 0.001 < 0.010 0.005 < 0.005 0.0025
< 2.5 1.25 7.7 7.7 < 0.001 0.0005 < 0.005 0.0025 < 0.002 0.001 < 0.010 0.005 < 0.005 0.0025
< 2.5 1.25 7.8 7.8 < 0.001 0.0005 < 0.005 0.0025 < 0.002 0.001 < 0.010 0.005 < 0.005 0.0025
< 2.5 1.25 7.8 7.8 < 0.001 0.0005 < 0.005 0.0025 < 0.002 0.001 < 0.010 0.005 < 0.005 0.0025
< 2.5 1.25 7.7 7.7 < 0.001 0.0005 < 0.005 0.0025 < 0.002 0.001 < 0.010 0.005 < 0.005 0.0025
15 92.5 0.006 0.03 0.013 0.06 0.03
12 12 12 12 12 12 12
1.25 7.71 0.0005 0.0025 0.00108 0.005 0.0025
1.25 7.9 0.0005 0.0025 0.002 0.005 0.0025
1.25 7.4 0.0005 0.0025 0.001 0.005 0.0025
revised 3/12/01

Zinc Silver Total Cyanide Arsenic Mercury Molybdenum Selenium
< mg/L < mg
used in /L used in < mg/L used in < mg/L used in < ng/L < mg
used in /L < mg
used in /L used in
calculation calculation calculation calculation calculation calculation calculation
0.041 0.041 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 1.0 0.50 < 0.010 0.005 < 0.010 0.005
0.041 0.041 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 1.0 0.50 < 0.010 0.005 < 0.010 0.005
0.028 0.028 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 1.0 0.50 < 0.010 0.005 < 0.010 0.005
0.031 0.031 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 1.0 0.50 < 0.010 0.005 < 0.010 0.005
0.030 0.030 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 1.0 0.50 < 0.010 0.005 < 0.010 0.005
0.036 0.036 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 1.0 0.50 < 0.010 0.005 < 0.010 0.005
0.037 0.037 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 1.0 0.50 < 0.010 0.005 < 0.010 0.005
0.039 0.039 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 1.0 0.50 < 0.010 0.005 < 0.010 0.005
0.042 0.042 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 1.0 0.50 < 0.010 0.005 < 0.010 0.005
0.039 0.039 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 1.0 0.50 < 0.010 0.005 < 0.010 0.005
0.032 0.032 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 1.0 0.50 < 0.010 0.005 < 0.010 0.005
0.034 0.034 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 1.0 0.50 < 0.010 0.005 < 0.010 0.005
0.43 0.03 0.03 0.03 6 _ 0.06 0.06
12 12 12 12 12 12 12
0.035833 0.0025 0.0025 0.0025 0.50 0.005 0.005
0.042 0.0025 0.0025 0.0025 0.5 0.005 0.005
0.028 0.0025 0.0025 0.0025 0.5 0.005 0.005
revised 3/12/01

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Total P(Ibs) TSS pH Cadmium Chromium Copper Nickel
used in used in used in used in used in used in ' used in
< mg/L calculation < mg/L calculation < S.U. calculation <
g g mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation
139 139 7.4 7.4 < 0.001 0.0005 < 0.005 0.0025 0.026 0.026 < 0.010 0.005
99 99 7.2 7.2 < 0.001 0.0005 < 0.005 0.0025 0.017 0.017 0.011 0.011
116 116 7.2 7.2 < 0.001 0.0005 < 0.005 0.0025 0.014 0.014 < 0.010 0.005
117 117 7.2 7.2 < 0.001 0.0005 < 0.005 0.0025 0.019 0.019 < 0.010 0.005
99 99 7.3 7.3 < 0.001 0.0005 < 0.005 0.0025 0.018 0.018 < 0.010 0.005
86 86 7.2 7.2 < 0.001 0.0005 < 0.005 0.0025 0.019 0.019 < 0.010 0.005
97 97 7.2 7.2 < 0.001 0.0005 < 0.005 0.0025 0.029 0.029 < 0.010 0.005
85 85 7.2 7.2 < 0.001 0.0005 < 0.005 0.0025 0.020 0.020 < 0.010 0.005
99 99 7.2 7.2 < 0.001 0.0005 < 0.005 0.0025 0.022 0.022 < 0.010 0.005
82 82 7.4 7.4 < 0.001 0.0005 < 0.005 0.0025 0.022 0.022 < 0.010 0.005
86 86 7.3 7.3 < 0.001 0.0005 < 0.005 0.0025 0.022 0.022 < 0.010 0.005
73 86 7.2 7.2 < 0.001 0.0005 < 0.005 0.0025 0.015 0.015 < 0.010 0.005
1191 87 0.006 0.03 _ 0.243 0.066
12 12 12 12 12 12
99.25 7.3 0.0005 0.0025 0.02025 0.0055
_ 139 7.4 0.0005 0.0025 0.029 0.011
82 7.2 0.0005 0.0025 0.014 0.005
revised 3/12/01

4
Lead Zinc Silver Total Cyanide Arsenic Mercury Molybdenum Selenium
used in used in used in used in usedin used in used in used in
< mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mq/L calculation < mg/L calculation
< 0.005 0.0025 0.088 0.088 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 0.0031 0.0031 < 0.010 0.005 < 0.010 0.005
< 0.005 0.0025 0.092 0.092 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.0002 0.0001 < 0.010 0.005 < 0.010 0.005
< 0.005 0.0025 0.079 0.079 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.0002 0.0001 < 0.010 0.005 < 0.010 0.005
< 0.005 0.0025 0.062 0.062 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.0002 0.0001 < 0.010 0.005 < 0.010 0.005
< 0.005 0.0025 0.073 0.073 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 0.0002 0.0002 < 0.010 0.005 < 0.010 0.005
< 0.005 0.0025 0.090 0.090 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.0002 0.0001 < 0.010 0.005 < 0.010 0.005
< 0.005 0.0025 0.083 0.083 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.0002 0.0001 < 0.010 0.005 < 0.010 0.005
< 0.005 0.0025 0.072 0.072 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.0002 0.0001 < 0.010 0.005 < 0.010 0.005
< 0.005 0.0025 0.103 0.103 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.0002 0.0001 < 0.010 0.005 < 0.010 0.005
< 0.005 0.0025 0.079 0.079 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.0002 0.0001 < 0.010 0.005 < 0.010 0.005
< 0.005 0.0025 0.078 0.078 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.0002 0.0001 < 0.010 0.005 < 0.010 0.005
< 0.005 0.0025 0.059 0.059 < 0.005 0.0025 < 0.005 0.0025 < 0.005 0.0025 < 0.0002 0.0001 < 0.010 0.005 < 0.010 0.005
0.03 0.958 0.03 0.03 0.03 0.0043 0.06 0.06
12 12 12 12 12 12 12 12
0.0025 0.079833 0.0025 0.0025 0.0025 0.000358 0.005 0.005
0.0025 0.103 0.0025 0.0025 0.0025 0.0031 0.005 0.005
0.0025 0.059 0.0025 0.0025 0.0025 0.0001 0.005 0.005
revised 3/12/01

POTW NAME: City of Washington WWTP
NPDES/NONDISCHARGE PERMIT#: NC0020648
SAMPLE LOCATION: Oxidation Ditch #1
SAMPLE TKN NO3+NO2-N Total-N Total N(Ibs) NH3-N Total P Total P(lbs)
used in used in used in used in used in used in used in
DATE < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation
1/9/20 162.5 162.5 5.00 5.00 167.50 167.50 2.30 2.30 88.5 88.5
7/14/20 135.0 135.0 5.50 5.50 140.50 140.50 1.29 1.29 87.5 87.5
TOTAL= 297.5 - 10.5 308 3.59 176
#VALUES= 2 2 2 2 - 2
AVERAGE= 148.75 5.25 154 _ 1.795 88
MAXIMUM= 162.5 5.5 167.5 2.3 88.5
MINIMUM= 135 5 140.5 1.29 87.5
revised 3/12/01

TSS pH Cadmium Chromium Copper Nickel Lead
used in used in used in used in used in used in used in
< mg/L calculation < S.U. calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation
3100 3100 6.8 6.8 0.002 0.002 0.032 0.032 0.289 0.289 0.035 0.035 _ 0.047 0.047
3150 3150 7.0 7.0 0.002 0.002 0.039 0.039 0.615 0.615 0.038 0.038 0.028 0.028
6250 13.75 0.004 0.071 0.904 0.073 0.075
2 2 2 2 2 2 2
3125 6.875 0.002 0.0355 0.452 0.0365 0.0375
3150 7 0.002 0.039 _ 0.615 0.038 0.047
3100 6.75 0.002 0.032 0.289 0.035 0.028
revised 3/12/01

Zinc Silver Total Cyanide Arsenic Mercury Molybdenum Selenium
used in used in used in used in used in used in used in
< mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation
1.284 1.284 0.011 0.011 < 0.005 0.0025 0.012 0.012 0.0016 0.0016 0.015 0.015 < 0.010 0.005
1.812 1.812 0.011 0.011 0.008 0.008 0.008 0.008 0.0019 0.0019 0.017 0.017 < 0.010 0.005
3.096 0.022 0.0105 0.02 _ 0.0035 0.032 0.01
2 _ 2 2 2 2 2 2
1.548 0.011 0.00525 0.01 0.00175 0.016 0.005
1.812 0.011 0.008 0.012 _ 0.0019 0.017 0.005
1.284 0.011 0.0025 0.008 0.0016 0.015 0.005
revised 3/12/01

POTW NAME: City of Washington WWTP
NPDES/NONDISCHARGE PERMIT#: NC0020648
SAMPLE LOCATION: Oxidation Ditch #2
SAMPLE TKN NO3+NO2-N Total-N Total N(Ibs) NH3-N Total P Total P(Ibs)
used in used in used in used in used in used in used in
DATE < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation
1/9/20 166.3 166.3 5.65 5.65 171.95 171.95 2.17 2.17 93.0 93.0
7/14/20 127.5 127.5 5.57 5.57 133.07 133.07 1.48 1.48 92.5 92.5
TOTAL= 293.8 11.22 305.02 3.65 185.5
#VALUES= 2 2 2 2 2
AVERAGE= 146.9 5.61 152.51 1.825 92.75
MAXIMUM= 166.3 5.65 171.95 2.17 93
MINIMUM= 127.5 5.57 133.07 1.48 92.5

TSS pH Cadmium Chromium Copper Nickel Lead
used in used in used in used in used in used in used in
< mg/L calculation < S.U. calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation
3033 3033 7.2 7.2 0.002 0.002 0.034 0.034 0.548 0.548 0.033 0.033 0.045 0.045
3100 3100 7.3 7.3 0.003 0.003 0.040 0.040 0.0621 0.062 0.037 0.037 0.050 0.050
6133 14.52 0.005 0.074 0.6101 0.07 0.095
2 2 2 2 2 2 2
3066.5 7.26 0.0025 0.037 0.30505 0.035 0.0475
_ 3100 7.3 0.003 0.04 0.548 0.037 0.05
3033 7.22 0.002 0.034 0.0621 0.033 0.045

Zinc Silver Total Cyanide Arsenic Mercury Molybdenum Selenium
used in used in used in used in used in used in used in
< mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation < mg/L calculation
1.428 1.428 0.008 0.008 < 0.005 0.003 0.01 0.010 0.0016 0.0016 0.014 0.014 < 0.010 0.005
1.911 1.911 0.008 0.008 0.006 0.0060 0.01 0.010 0.0017 0.0017 0.015 0.015 < 0.010 0.005
3.339 0.016 0.0085 0.02 0.0033 _ 0.029 0.01
2 2 2 2 2 2 2
1.6695 0.008 0.00425 0.01 0.00165 0.0145 0.005
1.911 0.008 0.006 0.01 0.0017 0.015 0.005
0.005
1.428 0.008 0.0025 0.01 0.0016 0.014

ANNUAL LAND APPLICATION CERTIFICATION FORM
WQ Permit#: WQ0001026 County: Beaufort County,NC Year: 2020
Facility Name(as shown on permit): City of Washington
Land Application Operator: EMA Resources Inc. Phone: [phone]
Land application of residuals as allowed by the permit occurred during the past calendar year?
© Yes ❑ No -If No,skip Part A,and Part B and proceed to Part C. Also,If residuals were
generated but not land applied,please attach an explanation on how the residuals were handled.
Part A-Residuals Application Summary:
Total number of application fields in the permit:I 54
Total number of fields utilized for land application during the year: 1
Total amount of dry tons applied during the year for all application sites: 165.94
Total number of acres utilizes for land application during the year: 64.02
Part B-Annual Compiance Statement:
Facility was compliant during calendar year 2020 with all conditions of the land application permit
(including but not limited to items 1-13 below)issued by the Division of Water Quality. 0 Yes ❑ No
If no please,provide a written description why the facility was not compliant,the dates,and explain corrective action
taken.
1) Only residuals approved for this permit were applied to the permitted sites.
2) Soil pH was adjusted as specified in the permit and lime was applied(if needed)to achieve a soil pH of at least 6.0 or the
limit specified in the permit.
3) Annual soils analysis were performed on each site receiving residuals during the past calendar year and three(3)copies of
laboratory results are attached.
4) Annual TCLP analysis(if required)was performed and three(3)copies of certified laboratory results are attached.
5) All other monitoring was performed in accordance with the permit and reported during the year as required and three(3)
copies of certified laboratory results are attached.
6) The facility did not exceed any of the Pollutant Concentration Limits in 15A NCAC 02T.1105(a)or the Pollutant Loading
Rates in 15A NCAC 02T .1105(b) (applicable to 40 CFR Part 503 regulated facilities).
om
7) All general requirements in as specified in the Land Application Permit were complied with(applicable to 40 CFR Part
503 regulated facilities).
8) All monitoring and reporting requirements in 15A NCAC 02T .1111 were complied with(applicable to 40 CFR Part 503
regulated facilities).
9) All operations and maintenance requirements in the permit were complied with or, in the case of a deviation, prior
authorization was received from the Division of Water Quality.
10) No contravention of Ground Water Quality Standards occurred at a monitoring well or explan
ations of violations are
attached to include appropriate actions and remediations.
11) Vegetative cover was maintained and proper crop management was performed on each site receing residuals,as specified
in the permit.
12) No runoff of residuals from the application sites onto adjacent property or nearby surface waters has occurred.
13) All buffer requirements as specified on the permit were maintained during each application of residuals.
Part C-Certification:
"I certify,under penalty of law,that the above 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 fines and imprisonment for knowing violations."
Adam Waters-Public Works Director G••� �'t/ h, i(� 2/4/?d2/
Pe ittee Name and Title(type or print) Signature of Permittee Date
atttga ;e�s".Z46)214 2/1/2021
Signatur of Pr,Prer* Date Signature of Land Applier Date
(if different from Permittee) (if different from Permittee and Preparer)
* Preparer is defined in 40 CFR Part 503.9 (r)and 15A NCAC 02T .1102(26) DENR FORM ACF(12/2006)

ANNUAL RESIDUAL SAMPLING SUMMARY FORM
Please note that your permit may contain additional parameters to be analyzed. The parameters can be reported in FORM RSSF-B
WQ Permit Number: WQ0001026 Laboratory: 1) Waypoint Analytical
Facility Name: City of Washington 2)
Residual Source WQ#or 3)
NC0020648
NPDES#: 4)
WWTP Name: Washington WWTP 5)
Residual Analysis Data
Conc. Sample or Composite Date
Parameter Limit Spring
5/6/20 5/14/20
(mg/kg) (mg/kg)a Average
Percent Solids(%) NA 3.8 3.61 3.71
Arsenic 75 7.22 13.5 10.4
Cadmium 85 0.917 2.7 1.8
Copper 4,300 220 210 215.0
Chromium NA 18.4 17.6 18.0
Lead 840 19.1 18.4 18.8
Mercury 57 1.13 1.62 1.4
Molybdenum 75 6.42 6.76 6.6
Nickel 420 12.4 13.1 12.8
Selenium 100 8.89 13.5 11.2
Zinc 7,500 589 535 562.0
Total Phosphorus NA 28600 26500 27550
TKN NA 31900 33800 32850
Ammonia-Nitrogen NA 10800 8300 9550.0
Nitrate and Nitrite NA 136 135 135.5
a For surface disposal facilities the ceiling concentration limits listed in this form are not applicable. Reference the individual permit for metals limits.
"I certify, under penalty of law,that this document was prepared under my direction or supervision in accordance with a system designed
to assure that qualified personnel properly gathered and evaluated the information submitted. I am aware that there are significant
pena ties for submitti• alse i or 'on,including the possibility of fines and impri onment for knowing violations."
IV 0
21
Signature o Preparer Date
*Preparer is defined in 40 CFR Part 503.9(r)and 15A NCAC 2T.1102(26)
DENR FORM RSSF(12/2006)

ANNUAL RESIDUAL SAMPLING SUMMARY FORM - B
Report all sampling analysis results for parameters not listed in FORM RSSF that are part of the WQ permit or were analyzed for over the past
calendar year. Use additional forms as needed.
•
WQ Permit Number: WQ0001026 Laboratory: 1) Waypoint Analytical
Facility Name: City of Washington 2)
Residual Source NC0020648 3)
NPDES#or WQ#: 4)
WWTP Name: Washington WWTP 5)
Residual Analysis Data
Sample or Composite Date
Parameter Spring
5/6/20 5/14/20
(mg/kg) Average
Aluminum 33300 31600 32450
Calcium 102000 93800 97900
Magnesium 2860 2730 2795
pH 10.8 10.1 10.45
Potassium 2520 2280 2400
Sodium 2530 2450 2490
PAN 11866 11935 11900.5
SAR 0.42 0.41
"I certify, under penalty of law, that this document was prepared under my direction or supervision in accordance with a system
designed to assure that qualified personnel properly gathered and evaluated the information submitted. I am aware that there are
significant penaltie for submitting false information, including the possibility of fines and imprisonment for knowing violations."
1.3(ZIA
Signature o Preparer* Date
*Preparer is defined in 40 CFR Part 503.9(r)and 15A NCAC 2T .1102(26)
DENR FORM RSSF- B (12/2006)

ANNUAL METALS FIELD LOADING SUMMARY FORM*
Attach this form to the corresponding Field Loading Summary Form to be submitted in Annual Report
Facility Name: City of Washington Total Dry Tons Applied(Annual): 165.94
Permit#: WQ0001026 Cation Exchange Capacity (non 503 only):
Operator: Hunter Roost Farms Owner: Hunter Roost Farms Predominant Soil Series: GoA
Acres Used: 64.02 Acres Permitted: 64.02 Site#: BF210 Field#: 4
Residual Analysis Data (Heavy Metals and Total Phosphorus use mg/kg, % Solids use Raw Percent#):
Sample or W J _J _] _61 _J 10 11 12
J
Corn- Spring
posite Average
Date
%Solids 3.71
Arsenic 10.36
Cadmium 1.81
Copper 215
Chromium 18
Lead 18.75
Mercury 1.38
Molyb- 6.59
denum
Nickel 12.75
Selenium 11.2
Zinc 562
Total
Phos- 27550
phorus
Annual Heavy Metal Field Loadings (Calculated in lbs/acre):
DT/Ac./Total J 5 j 7 ,J 10 11 12
1-3
iv
App.
Event 2.59
Arsenic 0.054 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.054
Cadmium 0.009 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.009
Copper 1.115 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 1.115
Chromium 0.093 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.093
Lead 0.097 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.097
Mercury 0.007 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.007
Molyb 0.034 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.034
denum
Nickel 0.066 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.066
Selenium 0.058 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.058
Zinc 2.913 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 2.913
Total
Phos- 142.819 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 142.819
phorus
"I certify, under penalty of law,that this document was prepared under my direction or supervision in accordance
with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted.
I am aware that there are significant penalties for submitting false information,including the possibility of fines and
imprisonment for knowing violations".
2/1/2021
Signature of Land Applier Date
DENR FORM MFLSF (12/2006)

ANNUAL LAND APPLICATION FIELD SUMMARY FORM
PLEASE MAKE A COPY OF THIS BLANK FORM TO BE COMPLETED AND SUBMITTED FOR EACH FIELD APPLIED ON
PLACE A "N/A"IN A BLANK OR BOX WHEN NOT APPLICABLE.
Facility Name: City of Washington WQ Permit#: WQ0001026 Field#: 4 Acres Utilized: 64.02 d
Land Owner: Hunter Roost Farms Annual Dry Tons Applied: 165.94 Site#: BF210 Acres Permitted: 64.02
Operator: Hunter Roost Farms Predominant Soil Series: GoA Cation Exchange Capacity(non 503): 0
Crop 1 Name: Soybeans Crop 1 Max.PAN: 176 Crop 2 Name: Crop 2 Max.PAN:
Volume applied Volume Residual Sources Soil Precip. o Z. a Nitrate Name of Crop Type
> 5• B PAN Applied
° (enter one)Solids/ % Applied per (NPDES#,WQ#, Cond. Past 24 (' m :; TKN a o and (lbs/acre) Receiving Residual
OLiquid Solids Acre Fert.,Animal (Dry,Wet, Hrs. a . * M d• 0 Nitrite Application
Cu.Yds Gallons (Dry Tons/Ac) Waste,etc) Moist) inches * z * o' mg/kg mg/kg mg/kg Crop 1 Crop 2 Crop 1 Crop 2
5/4 78000 3.71 0.188 Washington D <.5" S 0.5 0.3 32850 9550 136 4.486 NA Beans
5/5 156000 3.71 0.377 Washington D <.5" S 0.5 0.3 32850 9550 136 8.973 NA Beans
5/7 136500 3.71 0.330 Washington D <.5" S 0.5 0.3 32850 9550 136 7.851 NA Beans
5/8 227500 3.71 0.550 Washington D <.5" S 0.5 0.3 32850 9550 136 13.085 NA Beans
5/9 247000 3.71 0.597 Washington D <.5" S 0.5 0.3 32850 9550 136 14.207 NA Beans
5/10 227500 3.71 0.550 Washington D <.5" S 0.5 0.3 32850 9550 136 13.085 NA Beans
0.000 0.000 0.000
0.000 0.000 0.000 1
0.000 0.000 0.000
0.000 0.000 0.000
0.000 0.000 0.000
0.000 0.000 0.000
0 0 0.000 Residuals Applications totals on FORM FSF supp(attach FORM FSF supp to this form): 0.000 0.000
TOTALS: 0 1072500 As Cd Cu Cr Pb Hg Mo Ni Se Zn P 61.689 0.000 Lime Applied
Annual lbs/acre 0.054 0.009 1.115 0.093 0.097 0.007 0.034 0.066 0.058 2.913 142.819 Date lbs/ac
Prior Years Cumulative lbs/ac 0.161 0.053 6.412 0.984 0.82 0.034 0.166 0.562 0.127 16.291 C.C.E. 1180
Current Cumulative lbs/ac 0.215 0.062 7.527 1.077 0.917 0.041 0.200 0.628 0.185 19.204
Permitted C. P. L. R.**** 36 34 1338 267 15 374 89 2498
Permit PAN Limit lstl2nd Crop 176
"I certify,under penalty of law,that this document was prepared under my direction or supervision in accordance with a system designed to assure that
qualified personnel properly gathered and evaluated the information submitted. I am aware that there are significant penalties for submitting false
information,including the possibility of fines and imprisonment for knowing violations."
d4i i L *Application Method:S-Surface,IN-Injection,INC-Incorporation
�!'`: 2/1/2021 **Volatilization Rate:Surface-0.5,Injection/Incorporation-1.0
Signature of Land Applier Date ***Mineralization Rates:Compost-0.1,anaerobially digested-0.2,
aerobically digested-0.3,raw sludge-0.4
****C.P.L.R.:Cumulative Pollutant Loading Rate
DENR FORM FSF(12/2006)

2020 Annual Land Application Summary
Month/Year Amount Unit
May 2020
Field 4 78000 gallons
156000 gallons
136500 gallons
227500 gallons
247000 gallons
227500 gallons
Yearly Total 1072500 gallons
2938.356 GPD
0.002938 MGD

AVA
NCDENR
North Carolina Department of Environment and Natural Resources
Pat McCrory Donald R. van der Vaart
Governor Secretary
January 23, 2015
Stephen Adam Waters, II
Superintendent of the Water Resources Division
City of Washington
P.O.Box 1988
Washington,NC 27889
Subject: Permit No. WQ0001026
Washington City- Sludge
Land Application of Class B/Residuals(Non-Dedicated)
Beaufort County
Dear Mr.Waters:
In accordance with your permit renewal and major modification request received December 3,
2014, we are forwarding herewith Permit No. WQ0001026 dated January 23, 2015, to City of
Washington for the continued operation of the subject residuals management program.
Modifications to the subject permit are as follows:
1. Removal of Fields from Attachment B of the May 9, 2006 permit and February 8, 2007
modified permit: NC-BF-202-02, NC-BF-207-03, NC-BF-207-04, NC-PI-03-02, NC-PI-11-
01 through 09,NC-PI-164-01 through 05, and NC-PI-200-05 through 11.
2. Addition of Fields to Attachment B: NC-BF-210-01 through 16.
3. Various changes to field descriptions including landowner, dominant soil series, and acreages
to Fields in Attachment B.
This permit shall be effective from January 23, 2015, until December 31, 2019, shall void Permit
No. WQ0001026 issued May 9, 2006 and modified February 8, 2007, and shall be subject to the
conditions and limitations as specified therein. Please pay particular attention to the monitoring
requirements listed in Attachments A and B for they may differ from the previous permit issuance.
Failure to establish an adequate system for collecting and maintaining the required operational
information shall result in future compliance problems.
Please note the following permit conditions are new since the last permit issuance:
1. Condition 1.2: By August 1, 2015,the Permittee shall notify the Washington Regional Office
48 hours prior to each land application of residuals.
2. Condition I.3: By November 1, 2015, the Permittee shall be in compliance with signage
requirements.
3. Condition 1I.5: This is similar to Conditions I.6 and II.8 of the 2006 permit, but methods for
determining compliance with Cumulative Pollutant Loading Rates(CPLR)are specified.
4. Condition 1I.9: Similar to Condition 13 of 2006 permit, but methods of Realistic Yield
Expectations(RYE)from Plant Available Nitrogen(PAN)specified.
Non-Discharge Permitting Unit
1617 Mail Service Center,Raleigh,North Carolina 27699-1617
Phone:[phone] Internet:http://portal.ncdenr.orglweblwo
An Equal Opportunity 1 Affirmative Action Employer—Made in part with recycled paper

5. Condition 111.2: Same as Condition I.10 and I.11 of the 2006 permit, except now 48-hour
notice rather than 24-hour notice provided to local government official and Washington
Regional Office for initial land application of residuals.
6. Condition 11I.3: The Washington Regional Office shall be informed 24 hours prior to each
land application of residuals.
7. Condition I11.4: Requirement for an O&M Plan.
8. Condition I11.6: Similar to Condition II.4 of 2006 permit, but now copy of O&M Plan must
also be on site during application.
9. Condition 111.11.a, b, j and k: Bulk residuals shall not be land applied if an endangered
species adversely affected, prolonged nuisance conditions are created, the distance is too
small between the surface and the seasonal high water table and/or bedrock, respectively.
10. Condition 1II.13: Signage requirements to prohibit public access.
11. Condition V.1: Permittee must provide adequate inspection and maintenance.
12. Condition VI.6: Similar to Condition VI.6 of 2006 permit, but now 60-day notice given of
revocation.
13. Condition VI.7: Expansion of residuals program not allowed if Permittee has exhibited
improper conduct unless a variance granted.
Please note that on September 1, 2006, North Carolina Administrative Code Title 15A
Subchapter 02T—Waste not Discharged to Surface Waters was adopted. The previous permit was issued
before this date. Accordingly,this permit incorporates the requirements of these rules which are reflected
in the changes listed above.
If any parts, requirements or limitations contained in this permit are unacceptable, the Permittee
has the right to request an adjudicatory hearing upon written request within 30 days following receipt of
this permit. This request shall be in the form of a written petition, conforming to Chapter 150B of the
North Carolina General Statutes, and filed with the Office of Administrative Hearings at 6714 Mail
Service Center, Raleigh, NC 27699-6714. Unless such demands are made, this permit shall be fmal and
binding.
If you need additional information concerning this matter, please contact Troy Doby at(919) 807-
6336 or [e-mail].
Sincerely,
iJay merman,Acting Director
Division of Water Resources
cc: Beaufort County Health [e-mail] (Electronic Copy)
Washington Regional Office,Water Quality Regional Operations Section(Electronic Copy)
Roy Whitaker—[e-mail](Electronic Copy)
Rob Wilcox, LSS—[e-mail](Electronic Copy)
Beth Buffington—Protection and Enforcement Branch(Electronic Copy)
Digital Permit Archive(Electronic Copy)
Central Files
Non-Discharge Permitting Unit
1617 Mail Service Center,Raleigh,North Carolina 27699-1617
Phone:[phone] Internet httpi/oortal.ncdenr.orq/webtwq
An Equal Opportunity 1 Affirmative Action Employer—Made in part with recycled paper

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
LAND APPLICATION OF CLASS B RESIDUALS PERMIT(NON-DEDICATED)
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended,and other applicable Laws,Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
City of Washington
Beaufort County
FOR THE
continued operation of a residuals management program for City of Washington and consisting of the
land application of Class B residuals generated by the approved facilities listed in Attachment A to the
approved sites listed in Attachment B with no discharge of wastes to surface waters, pursuant to the
application received December 3, 2015, and in conformity with other supporting data subsequently filed
and approved by the Department of Environment and Natural Resources and considered a part of this
permit. The use and disposal of residuals are regulated under Title 40 Code of Federal Regulations Part
503. This permit does not exempt the Permittee from complying with the federal regulations.
This permit shall be effective from January 23, 2015, until December 31, 2019, shall void Permit No.
WQ0001026 issued May 9, 2006, and shall be subject to the following specified conditions and
limitations:
SCHEDULES
1. No later than six months prior to the expiration of this permit, the Permittee shall request renewal of
this permit on official Division forms. Upon receipt of the request, the Division will review the
adequacy of the facilities described therein, and if warranted,will renew the permit for such period of
time and under such conditions and limitations as it may deem appropriate. Please note Rule 15A
NCAC 02T .0105(d) requires an updated site map to be submitted with the permit renewal
application. [15A NCAC 02T .0108(b)(2), 02T .105(d), 02T .0109]
2. The Permittee shall be in full compliance with the regional office notification requirements
established in Condition 11I.3. by August 1, 2015. [15A NCAC 02T .0108(b)(2)]
3. The Permittee shall be in full compliance with the signage requirements established in Condition
11I.13. by November 1,2015. [15A NCAC 02T .0108(b)(2)]
W00001026 Version 3.0 Shell Version 150101 Page 1 of 12

H. PERFORMANCE STANDARDS
1. The subject residuals management program shall be effectively maintained and operated at all times
so there is no discharge to surface waters, nor any contravention of groundwater or surface water
standards. In the event the facilities fail to perform satisfactorily, including the creation of nuisance
conditions due to improper operation and maintenance, the Permittee shall immediately cease land
applying residuals to the site, contact the Washington regional office supervisor, and take any
immediate corrective actions. [G.S. 143-215.1]
2. This permit shall not relieve the Permittee of responsibility for damages to groundwater or surface
water resulting from the operation of this residuals management program. [15A NCAC 02B .0200,
02L .0100]
3. Only residuals generated by the facilities listed in Attachment A are approved for land application in
accordance with this permit. [G.S. 143-215.1]
4. Only the sites listed in Attachment B are approved for residuals land application. [G.S. 143-215.1]
5. Pollutant concentrations in residuals applied to land application sites listed in Attachment B shall not
exceed the following Ceiling Concentrations (i.e., dry weight basis) or Cumulative Pollutant
Loading Rates(CPLRs): [15A NCAC 02T .1105]
Parameter Ceiling Concentration CPLR
(milligrams per kilogram) (pounds per acre)
Arsenic 75 36
Cadmium 85 34
Copper 4,300 1,338
Lead 840 267
Mercury 57 15
Molybdenum 75 n/a
Nickel 420 374
Selenium 100 89
Zinc 7,500 2,498
The Permittee shall determine compliance with the CPLRs using one of the following methods:
a. By calculating the existing cumulative level of pollutants using actual analytical data from all
historical land application events of residuals,or
b. For land where residuals application have not occurred or for which the required data is
incomplete,by determining background concentrations through representative soil sampling.
6. Residuals that are land applied shall meet Class B pathogen reduction requirements in 15A NCAC
02T .1106 (a) and (b)(2). Exceptions to this requirement shall be specified in Attachment A. [15A
NCAC 02T .1106]
7. Biological residuals (i.e. residuals generated during the treatment of domestic or animal processing
wastewater, or the biological treatment of industrial wastewater, and as identified in Attachment A)
that are land applied shall meet one of the vector attraction reduction alternatives in 15A NCAC 02T
.1107(a). Exceptions to this requirement shall be specified in Attachment A. [15A NCAC 02T .1107]
8. When land applying residuals to any land application site, the following buffer zones shall be
maintained at all times:
WQ0001026 Version 3.0 Shell Version 150101 Page 2 of 12

a. 400 feet from residences or places of public assembly under separate ownership for surface
application methods; however, the buffer zone requirement may be reduced to a minimum of
feet upon written consent of the owner and approval from the Aquifer Protection Section
100 .
P
n s regional office in Attachment B of this permit;
of the appropriate Division's g
b. 200 feet from residences or places of public assembly under separate ownership for
subsurface application methods; however, the buffer zone requirement may be reduced to a
minimum of 100 feet upon written consent of the owner and approval from the Aquifer
Protection Section of the appropriate Division's regional office in Attachment B of this
permit;
c. 100 feet from any public or private water supply source, waters classified as SA or SB, and
any Class I or Class II impounded reservoir used as a source of drinking water for both
methods;
d. 100 feet from any streams classified as WS or B, any other stream, canal, marsh or coastal
waters and any other lake or impoundment for surface application;
e. 50 feet from any streams classified as WS or B, any other stream, canal, marsh or coastal
waters and any other lake or impoundment for subsurface application;
f. 50 feet from property lines for both surface and subsurface application methods;
g. 50 feet from public right of ways for both surface and subsurface application methods;
h. 10 feet from upslope interceptor drains and surface water diversions for both surface and
subsurface application methods; and
i. 25 feet from downslope interceptor drains, surface water diversions, groundwater drainage
systems, and surface drainage ditches for both surface and subsurface application methods.
Some of the buffers specified above may not have been included in previous permits for this residuals
land application program. However, any land application sites that are listed in the most recently-
certified Attachment B of this permit, but were approved with different buffers shall be reflagged to
comply with these buffers. Land application areas shall be clearly marked on each site prior to and
during any residuals application event. [15A NCAC 02H .0219(j)(5)]
9. Bulk residuals and other sources of Plant Available Nitrogen (PAN) shall not be applied in
exceedance of agronomic rates. Appropriate agronomic rates shall be calculated using expected
nitrogen requirements based on the determined Realistic Yield Expectations (RYE) using any of the
following methods: [15A NCAC 02T .1109(b)(1)(k)]
a. Division's pre-approved site specific historical data for specific crop or soil types by calculating
the mean of the best three yields of the last five consecutive crop harvests for each field.
b. North Carolina Historical Data for specific crop and soil types as provided by North Carolina
State University Department of Soil Science (http://nutrients.soil.ncsu.edulyields/index.php).
A copy shall be kept on file and reprinted every five years in accordance with Condition IV.5.
c. i the RYE cannot be determined using methods (a) or(b)above,the Permittee may use the RYE
and appropriate nutrient application rates reported in any of the following documents:
i. Crop management plan as outlined by the local Cooperative Extension Office, the North
Carolina Department of Agriculture and Consumer Services, the Natural Resource
Conservation Service,or other agronomist.
ii. Waste Utilization Plan as outlined by the Senate Bill 1217 Interagency Group - Guidance
Document: Chapter 1
(http://www.ncagr.gov/SWC/tech/documents/9th Guidance Doc 100109.pdf).
iii. Certified Nutrient Management Plan as outlined by the Natural Resources Conservation
Services (NRCS). These plans must meet the USDA-NRCS 590 Nutrient Management
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Standards(ftp://ftp-fc.sc.egov.usda.gov/NHQ/practice-standards/standards/590.pdfl.
d. If the RYE and appropriate nutrient application rates cannot be determined, the Permittee shall
contact the Division to determine necessary action.
10. When residuals are land applied to grazed pasture, hay crop realistic nitrogen rate shall be reduced by
25% in accordance with the USDA-NRCS 590 Nutrient Management Standards. [15A NCAC 02T
.0108(b)(1)]
11. If land application sites are to be over-seeded or double-cropped (e.g., bermuda grass in the summer
and rye grass in the winter with both crops to receive residuals), then the second crop can receive an
application of PAN at a rate not to exceed 50 pounds per acre per year(lbs/ac/yr). This practice may
be allowed as long as the second crop is to be harvested or grazed. If the second crop is to be planted
for erosion control only and is to be tilled into the soil,then no additional PAN shall be applied. [15A
NCAC 02T .0108(b)(1)]
12. Prior to land application of residuals containing a sodium adsorption ratio (SAR) of 10 or higher, the
Permittee shall obtain and implement recommendations from at least one of the following: the local
Cooperative Extension Office; the Department of Agriculture and Consumer Services; the Natural
Resource Conservation Service; a North Carolina Licensed Soil Scientist; or an agronomist. The
recommendations shall address the sodium application rate, soil amendments(e.g., gypsum, etc.), or a
mechanism for maintaining site integrity and conditions conducive to crop growth. The Permittee
shall maintain written records of these recommendations and details of their implementation. [15A
NCAC 02T .0108(b)(1)]
13. These residuals land application sites were individually permitted on or after December 30, 1983;
therefore,the compliance boundary is established at either 250 feet from the residual land application
area, or 50 feet within the property boundary, whichever is closest to the residual land application
area. An exceedance of groundwater standards at or beyond the compliance boundary is subject to
remediation action according to 15A NCAC 02L .0106(d)(2) as well as enforcement actions in
accordance with North Carolina General Statute 143-215.6A through 143-215.6C. Any approved
relocation of the COMPLIANCE BOUNDARY will be noted in Attachment B. [15A NCAC 02L
.0107(a)]
14. The review boundary shall be established midway between the compliance boundary and the residual
land application area. Any exceedance of groundwater standards at the review boundary shall require
action in accordance with 15A NCAC 02L .0106. [15A NCAC 02L .0108]
III. OPERATION AND MAINTENANCE REQUIREMENTS
1. The residuals management program shall be properly maintained and operated at all times. The
program shall be effectively maintained and operated as a non-discharge system to prevent any
contravention of surface water or groundwater standards. [15A NCAC 02T .1110]
2. The Washington Regional Office, telephone number [phone], and the appropriate local
government official (i.e., county manager, city manager, or health director) shall be notified at least
48 hours prior to the initial residuals land application to any new land application site. Notification to
the regional supervisor shall be made from 8:00 a.m. until 5:00 p.m. on Monday through Friday,
excluding State Holidays. [15A NCAC 02T .0108(b)(1)]
3. The Washington Regional Office shall be notified via email or telephone, [phone], at least 24
hours prior to conducting any land application activity. Such notification shall indicate, at a
minimum, the anticipated application times, field IDs, and location of land application activities. If it
becomes necessary to apply to additional fields due to unforeseen events,the Regional Office shall be
PP Yg
notified prior to commencing the application to those fields. [15A NCAC 02T .0108(b)(1)]
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4. The Permittee shall maintain an approved Operation and Maintenance Plan (O&M Plan).
Modifications to the O&M Plan shall be approved by the Division prior to utilization of the new plan.
The O&M Plan, at the minimum, shall include: [15A NCAC 02T .1100]
a) Operational functions;
b) Maintenance schedules;
c) Safety measures;
d) Spill response plan;
e) Inspection plan including the following information:
i. Names and/or titles of personnel responsible for conducting the inspections;
ii. Frequency and location of inspections, including those to be conducted by the ORC, and
procedures to assure that the selected location(s) and inspection frequency are representative
of the residuals management program;
iii. Detailed description of inspection procedures including record keeping and actions to be
taken by the inspector in the event that noncompliance is observed pursuant to the
noncompliance notification requirements under the monitoring and reporting section of the
permit;
f) Sampling and monitoring plan including the following information: .
i. Names and/or titles of personnel responsible for conducting the sampling and monitoring;
ii. Detailed description of monitoring procedures including parameters to be monitored;
iii. Sampling frequency and procedures to assure that representative samples are being collected.
Fluctuation in temperature, flow, and other operating conditions can affect the quality of the
residuals gathered during a particular sampling event. The sampling plan shall account for
any foreseen fluctuations in residuals quality and indicate the most limiting times for
residuals to meet pathogen and vector attraction reduction requirements (e.g. facilities that
land apply multiple times per year but have an annual sampling frequency, may need to
sample during winter months when pathogen reduction is most likely to be negatively
affected by cold temperatures).
5. Upon the Water Pollution Control System Operators Certification Commission's (WPCSOCC)
classification of the facility, the Permittee shall designate and employ a certified operator in
responsible charge (ORC) and one or more certified operators as back-up ORCs in accordance with
15A NCAC 08G .0201. The ORC or their back-up shall visit the facilities in accordance with 15A
NCAC 08G. 0204, or as specified in the most recently approved O&M plan (i.e., see Condition III.
4.), and shall comply with all other conditions of 15A NCAC 08G. 0204. For more information
regarding classification and designation requirements, please contact the Division of Water
Resources' Technical Assistance&Certification Unit at(919) 733-0026. [15A NCAC 02T .0117]
6. When the Permittee land applies bulk residuals, a copy of this permit and a copy of O&M Plan shall
be maintained at the land application sites during land application activities. [15A NCAC 02T
.0108(b)(1)]
7. When the Permittee transports or land applies bulk residuals, the spill control provisions shall be
maintained in all residuals transport and application vehicles. [15A NCAC 02T .1110]
8. Residuals shall not be stored at any land application site, unless written approval has been requested
and received from the Division. [G.S. 143-215.1]
9. When the Permittee land applies bulk residuals, adequate measures shall be taken to prevent wind
erosion and surface runoff from conveying residuals from the land application sites onto adjacent
properties or into surface waters. [G.S. 143-215.1]
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•
10. When the Permittee land applies bulk residuals, a suitable vegetative cover shall be maintained on
land application sites onto which residuals are applied, or application shall be in accordance with the
crop management plan outlined by the local Cooperative Extension Office, the Department of
Agriculture and Consumer Services, the Natural Resource Conservation Service, or an agronomist
and as approved by the Division. [15A NCAC 02T .1109(b)(1)]
11. Bulk residuals shall not be land applied under the following conditions: [15A NCAC 02T .1109]
a. If the residuals are likely to adversely affect a threatened or endangered species listed under
section 4 of the Endangered Species Act or its designated critical habitat;
b. If the application causes prolonged nuisance conditions;
c. If the land fails to assimilate the bulk residuals or the application causes the contravention of
surface water or groundwater standards;
d. If the land is flooded, frozen or snow-covered, or is otherwise in a condition such that runoff of
the residuals would occur;
e. Within the 100-year flood elevation, unless the bulk residuals are injected or incorporated within
a 24-hour period following a residuals land application event;
f. During a measurable precipitation event(i.e., greater than 0.01 inch per hour), or within 24 hours
following a rainfall event of 0.5 inches or greater in a 24-hour period;
g. If the slope is greater than 10% for surface applied liquid residuals, or if the slope is greater than
18%for injected or incorporated bulk liquid residuals;
h. If the soil pH is not maintained at 6.0 or greater, unless sufficient amounts of lime are applied to
achieve a fmal soil pH of at least 6.0, or if an agronomist provides information indicating that the
pH of the soil, residuals and lime mixture is suitable for the specified crop. Any approved
variations to the acceptable soil pH(6.0)will be noted in this permit;
i. If the land does not have an established vegetative cover unless the residuals are incorporated or
injected within a 24-hour period following a residuals land application event. Any field that is in
a USDA no-till program shall be exempted from meeting this vegetative cover requirement;
j. If the vertical separation between the seasonal high water table and the depth of residuals
application is less than one foot;
k. If the vertical separation of bedrock and the depth of residuals application is less than one foot;
1. Application exceeds agronomic rates.
12. The following public access restrictions apply to residual land application sites: [15A NCAC 02T
.1109(b)(2)]
a. Public access to public contact sites(e.g., golf courses,parks, ball fields, etc.)shall be restricted
for 365 days after a residuals land application event;
b. Public access to non-public contact sites shall be restricted for 30 days after a residuals land
application event.
13. Public access controls shall include the posting of signs with a minimum area of 3 square feet (e.g.,
1.5' x 2'). Each sign shall indicate the activities conducted at each site,permit number, and name and
contact information, including the Permittee or applicator's telephone number. Signs shall be posted
in a clearly visible and conspicuous manner at the entrance to each land application site during a land
application event, and for as long as the public access restrictions required under 111.12 apply. [15A
NCAC 02T .0108(b)(1)]
14. The following harvesting and grazing restrictions apply to residual land application sites after each
land application event: [15A NCAC 02T .1109(b)(3)]
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•
Restricted
Harvesting and Grazing Description Duration
Animals shall not be allowed to graze during land application activities and
restricted period. Sites that are to be used for grazing shall have fencing to 30 days
prevent access after each land application event.
Food crops,feed crops and fiber crops shall not be harvested for: 30 days
Turf grown on land where residuals have been applied shall not be harvested for: 12 months
Food crops with harvested parts that touch the residual/soil mixture and are
totally above the land surface(e.g.,tobacco,melons,cucumbers, squash,etc.) 14 months
shall not be harvested for:
When the residuals remain on the land surface for four months or longer prior to
incorporation into the soil,food crops with harvested parts below the land 20 months
surface(e.g.,root crops such as potatoes, carrots,radishes, etc.) shall not be
harvested for:
When the residuals remain on the land surface for less than four months prior to
incorporation into the soil, food crops with harvested parts below the land 38 months
surface shall not be harvested for:
15. The Permittee shall acquire from each landowner or lessee/operator a statement detailing the volume
of other nutrient sources (i.e., manufactured fertilizers, manures, or other animal waste products)that
have been applied to the site, and a copy of the most recent Nutrient Management Plan (NMP) for
those operations where a NMP is required by the US Department of Agriculture—National Resources
Conservation Service (NRCS) or other State Agencies. The Permittee shall calculate allowable
nutrient loading rates based on the provided information and use appropriate reductions.
For the of this permit condition, a Crop Management Plan (CMP), Waste Utilization Plan
purpose
(WUP) or Certified Nutrient Management Plan (CNMP) shall also be considered a Nutrient
Management Plan. [15A NCAC 02T .0108(b)(1), 02T.1104(c)(4)]
16. No residuals shall be land applied unless the submitted Land Owner Agreement Attachment(LOAA)
between the Permittee and landowners or lessees/operators of the land application site is in full force
and effect. These agreements shall be considered expired concurrent with the permit expiration date,
and shall be renewed during the permit renewal process. [15A NCAC 02T .1104(c)(4)]
IV. MONITORING AND REPORTING REQUIREMENTS
1. Any Division required monitoring (including groundwater, plant tissue, soil and surface water
analyses) necessary to ensure groundwater and surface water protection shall be established, and an
acceptable sample reporting schedule shall be followed. [15A NCAC 02T .0108(c)]
2. Residuals shall be analyzed to demonstrate they are non-hazardous under the Resource Conservation
and Recovery Act (RCRA). The analyses [corrosivity, ignitability, reactivity, and toxicity
characteristic leaching procedure (TCLP)] shall be performed at the frequency specified in
Attachment A, and the Permittee shall maintain these results for a minimum of five years. Any
exceptions from the requirements in this condition shall be specified in Attachment A.
The TCLP analysis shall include the following parameters (the regulatory level in milligrams per liter
is in parentheses): [15A NCAC 13A .0102(b), 02T .1101, 02T .1105]
Chp11 Varcinn 1 S0101 Page 7 of 12

Arsenic(5.0) 1,4-Dichlorobenzene(7.5) Nitrobenzene(2.0)
Barium(100.0) 1,2-Dichloroethane(0.5) Pentachlorophenol(100.0)
Benzene(0.5) 1,1-Dichloroethylene(0.7) Pyridine(5.0)
Cadmium(1.0) 2,4-Dinitrotoluene(0.13) Selenium(1.0)
Carbon tetrachloride(0.5) Endrin(0.02) Silver(5.0)
Chlordane(0.03) Hexachlorobenzene(0.13) Tetrachloroethylene(0.7)
Chlorobenzene(100.0) Heptachlor(and its hydroxide) Toxaphene(0.5)
(0.008)
Chloroform(6.0) Hexachloro-1,3-butadiene(0.5) Trichloroethylene(0.5)
Chromium(5.0) Hexachloroethane(3.0) 2,4,5-Trichlorophenol(400.0)
m-Cresol(200.0) Lead(5.0) 2,4,6-Trichlorophenol(2.0)
o-Cresol(200.0) Lindane(0.4) 2,4,5-TP(Silvex)(1.0)
p-Cresol(200.0) Mercury(0.2) Vinyl chloride(0.2)
Cresol(200.0) Methoxychlor(10.0)
2,4-D(10.0) Methyl ethyl ketone(200.0)
Once the residuals have been monitored for two years at the frequency specified in Attachment A,
the Permittee may submit a permit modification request to reduce the frequency of this monitoring
requirement. In no case shall the monitoring frequency be less than once per permit cycle.
3. An analysis shall be conducted on residuals from each source generating facility at the frequency
specified in Attachment A, and the Permittee shall maintain the results for a minimum of five years.
The analysis shall include the following parameters: [15A NCAC 02T .1101]
Aluminum Mercury Potassium
Ammonia-Nitrogen Molybdenum Selenium
Arsenic Nickel Sodium
Cadmium Nitrate-Nitrite Nitrogen Sodium Adsorption Ratio
(SAR)
Calcium Percent Total Solids TKN
Copper pH Zinc
Lead Phosphorus
Magnesium Plant Available Nitrogen
(by calculation)
4. Residuals shall be monitored for compliance with pathogen and vector attraction reduction
requirements at the frequency specified in Attachment A, and at the time indicated in the sampling
and monitoring sections of the approved O&M plan. The required data shall be specific to the
stabilization process utilized, and sufficient to demonstrate compliance with the Class B pathogen
reduction requirements in 15A NCAC 02T .1106 (a) and (b)(2), and one vector attraction reduction
requirement in 15A NCAC 02T .1107 (a) shall be met. Any exceptions from the requirements in this
condition shall be specified in Attachment A. [15A NCAC 02T .1106, 02T .1107, 02T .1111(c)]
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, •
•
8. Three copies of an annual report shall be submitted on or before March 1st. The annual report shall
meet the requirements described in the Instructions for Residuals Application Annual Reporting
Forms. Instructions for reporting and annual report forms are available at
http://portal.ncdenr.org/web/wq/aps/lau/reporting, or can be obtained by contacting the Land
Application Unit directly. The annual report shall be submitted to the following address: [15A
NCAC 02T .1111(a)]
Division of Water Resources
Information Processing Unit
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
9. Noncompliance Notification
The Permittee shall report by telephone to the Washington Regional Office, telephone number (252)
946-6481, as soon as possible, but in no case more than 24 hours or on the next working day
following the occurrence or first knowledge of the occurrence of any of the following: [15A NCAC
02T .0105(1), 02T .0108(b)(1)]
a. Any occurrence with the land application program resulting in the land application of significant
amounts of wastes that are abnormal in quantity or characteristic.
b. Any failure of the land application program resulting in a release of material to surface waters.
c. Any time self-monitoring indicates the facility has gone out of compliance with its permit
limitations.
d. Any process unit failure, due to known or unknown reasons, rendering the facility incapable of
adequate residual treatment.
e. Any spill or discharge from a vehicle or piping system during residuals transportation.
Any emergency requiring immediate reporting(e.g., discharges to surface waters, imminent failure of
a storage structure, etc.) outside normal business hours shall be reported to the Division's Emergency
Response personnel at telephone number(800) 662-7956, [phone], or(919) 733-3300.Persons
reporting such occurrences by telephone shall also file a written report in letter form within five days
following first knowledge of the occurrence. This report shall outline the actions taken or proposed to
be taken to ensure that the problem does not recur.
V. INSPECTIONS
1. The Permittee shall provide adequate inspection and maintenance to ensure proper operation of the
subject facilities and shall be in accordance with the approved O&M Plan. [15A NCAC 02T
.0108(b)]
2. Prior to each bulk residuals land application event, the Permittee or his designee shall inspect the
residuals storage, transport and application facilities to prevent malfunctions, facility deterioration
and operator errors resulting in discharges, which may cause the release of wastes to the
environment, a threat to human health or a public nuisance. The Permittee shall maintain an
inspection log that includes, at a minimum, the date and time of inspection, observations made, and
any maintenance, repairs, or corrective actions taken. The Permittee shall maintain this inspection log
for a period of five years from the date of inspection, and this log shall be made available to the
Division upon request. [15A NCAC 02T .0108(b)]
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5. An annual representative soils analysis (i.e., Standard Soil Fertility Analysis) shall be conducted on
each land application site listed in Attachment B on which a residuals land application event will
occur in the respective calendar year. This analysis shall be in accordance with the"Guidance on Soil
Sampling" located in the Sampling Instructions section of the NC Department of Agriculture &
Consumer Services' website (http://www.ncagr.gov/agronomi/pubs.htm). The Permittee shall
maintain these results and a description of the sampling methodologies used to determine soil fertility
for a period of no less than five years, and shall be made available to the Division upon request. At a
minimum, the Standard Soil Fertility Analysis shall include the following parameters: [15A NCAC
02T .1111(d)]
Acidity Exchangeable Sodium Percentage Phosphorus
Base Saturation(by calculation) Magnesium Potassium
Calcium Manganese Sodium
Cation Exchange Capacity Percent Humic Matter Zinc
Copper pH
6. Laboratory parameter analyses shall be performed on the residuals as they are land applied, and shall
be in accordance with the monitoring requirements in 15A NCAC 02B .0505.
7. The Permittee shall maintain records tracking all residual land application events. At a minimum,
these records shall include the following: [15A NCAC 02T .0109(a)]
a. Source of residuals;
b. Date of land application;
c. Location of land application(i.e., site, field, or zone number as listed in Attachment B);
d. Approximate areas applied to(acres);
e. Method of land application;
f. Weather conditions(e.g., sunny, cloudy,raining, etc.);
g. Predominant Soil Mapping Unit(e.g.,CbB2);
h. Soil conditions(e.g., dry, wet, frozen, etc.);
i. Type of crop or crops to be grown on field;
j. Nitrogen Application Rate based on RYEs (if using data obtained from the North Carolina State
University Department of Soil Science Website, the printout page shall be kept on file and
reprinted every five years);
k. Volume of residuals land applied in gallons per acre, cubic yard per acre,dry tons per acre, or wet
ton per acre;
1. Volume of animal waste or other nutrient source applied in gallons per acre, dry ton per acre, or
wet tons per acre;
m. Volume of soil amendments (e.g., lime, gypsum, etc.) applied in gallons per acre, dry ton per
acre,or wet tons per acre;and
n. Annual and cumulative totals in dry tons per acre of residuals as well as animal waste and other
sources of nutrients (e.g., if applicable), annual and cumulative pounds per acre of each heavy
metal (e.g., shall include, but shall not be limited to, arsenic, cadmium, copper, lead, mercury,
molybdenum, nickel, selenium, and zinc), annual pounds per acre of PAN, and annual pounds per
acre of phosphorus applied to each field.
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3. Any duly authorized Division representative may, upon presentation of credentials, enter and inspect
any property, premises or place on or related to the land application sites or facilities permitted herein
at any reasonable time for the purpose of determining compliance with this permit; may inspect or
copy any records required to be maintained under the terms and conditions of this permit; and may
collect groundwater, surface water or leachate samples. [G.S. 143-215.3(a)(2)]
VI. GENERAL CONDITIONS
1. Failure to comply with the conditions and limitations contained herein may subject the Permittee to
an enforcement action by the Division in accordance with North Carolina General Statutes 143-
215.6A to 143-215.6C.
2. This permit shall become voidable if the residuals land application events are not carried out in
accordance with the conditions of this permit. [15A NCAC 02T .0110]
3. This permit is effective only with respect to the nature and volume of residuals described in the
permit application and other supporting documentation. [G.S. 143-215.1]
4. The issuance of this permit does not exempt the Permittee from complying with any and all statutes,
rules, regulations, or ordinances, which may be imposed by other jurisdictional government agencies
(e.g., local, state, and federal). Of particular concern to the Division are applicable river buffer rules
in 15A NCAC 02B .0200; erosion and sedimentation control requirements in 15A NCAC Chapter 4
and under the Division's General Permit NCG010000; any requirements pertaining to wetlands under
15A NCAC 02B .0200 and 02H .0500; and documentation of compliance with Article 21 Part 6 of
Chapter 143 of the General Statutes.
5. In the event the residuals program changes ownership or the Permittee changes their name, a formal
permit modification request shall be submitted to the Division. This request shall be made on official
Division forms, and shall include appropriate documentation from the parties involved and other
supporting documentation as necessary. The Permittee of record shall remain fully responsible for
maintaining and operating the residuals program permitted herein until a permit is issued to the new
owner. [15A NCAC 02T .0104]
6. This permit is subject to revocation or unilateral modification upon 60 days notice from the Division
Director, in whole or part for the requirements listed in 15A NCAC 02T .0110.
7. Unless the Division Director grants a variance, expansion of the permitted residuals program
contained herein shall not be granted if the Permittee exemplifies any of the criteria in 15A NCAC
02T .0120(b).
8. The Permittee shall pay the annual fee within 30 days after being billed by the Division. Failure to
pay the annual fee accordingly shall be cause for the Division to revoke this permit. [15A NCAC 02T
.0105(e)(3)]
.. n c1,011 Vareinn 15n1n1 Page 11 of 12

Permit issued this the 23r1 day of January,2015
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
.- . J Zimmerman,Acting Director
Division of Water Resources
By Authority of the Environmental Management Commission
Permit Number WQ0001026
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ATTACHMENT A-Approved Residual Sources Certification Date: January 23,2015
City of Washington Permit Number: WQ0001026 Version:3.0
Monitoring Monitoring Monitoring
Maximum Frequency for Approved •
Owner Facility Name County Permit Biological Dry Tons Frequency for Frequency for Pathogen& Mineralization
Number Residuals i Non-hazardous Metals and Vector Attraction Rate
Per Year Characteristics Z Nutrients 3's Reductions 4'5'6
City of Washington Washington City-Sludge Beaufort NC0020648 Yes 625 Annually See Table Below See Table Below 0.30
Total 625
1. Maximum Dry Tons per Year is the amount of residuals approved for land application from each permitted facility.
2. Analyses to demonstrate that residuals are non-hazardous(i.e.,TCLP,ignitability,reactivity,and corrosivity)as stipulated under permit Condition IV.2.
3. Testing of metals and nutrients as stipulated under permit Condition IV.3.
4. Analyses of pathogen and vector attraction reductions as stipulated under permit Condition IV.4.
5. Monitoring frequencies are based on the actual dry tons applied per year using the table below,unless specified above.
Dry Tons Generated Monitoring Frequency
(short tons per year) (Established in 40 CFR 503 and 15A NCAC 02T.1111)
<319 1/Year
=>319-<1,650 1/Quarter(4 times per year)
=>1,650-<16,500 1/60 Days(6 times per year)
=>16,500 1/month(12 times per year)
If no land application events occur during a required sampling period(e.g. no land application occur during an entire year when annual monitoring is required),then no
sampling data is required during the period of inactivity.The annual report shall include an explanation for missing sampling data.Those required to submit the annual
report to EPA may be required to make up the missed sampling,contact the EPA for additional information and clarification.
Page 1 of 1

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Page 1 of 1

ATTACH'__.'TT B-Approved Land Application Sites Certification Date: January 23,2015
City of Washington Permit Number: WQ0001026 ` .ion: 3.0
Net
Field/Site Owner Lessee County Latitude Longitude Acreage Dominant Soil Series Figure
NC-BF-202-11 Briley,J D Beaufort 35°35'43" 77°05' 15" 17.50 Lenoir 1
NC-BF-202-31 Briley,J D Beaufort 35°35'50" 77°05'39" 9.60 Exum 2
NC-BF-202-32 Briley,J D Beaufort 35°35'39" 77°05'42" 30.60 Lenoir 2
NC-BF-202-72 Briley,J D Beaufort 35°35'28" 77°05'55" 6.70 Goldsboro 2
NC-BF-202-73 Briley,J D Beaufort 35°35'23" 77°05'51" 4.90 Tarboro sand,0 to 5%slopes 2
NC-BF-204-71 Briley,J D Beaufort 35°35'57" 77°04'45" 8.80 Leaf silt loam 3
NC-BF-204-72 Briley,J D Beaufort 35°36' 15" 77°04'53" 34.50 Lynchburg fine sandy loam 3
NC-PI-03-01 Briley,J D Pitt 35°38'26" 77° 12'04" 69.90 Olustee Variant 4
NC-PI-03-03 Briley,J D Pitt 35°39' 10" 77° 11'36" 74.40 Lynchburg 5
NC-PI-03-04 Briley,J D Pitt 35°39'05" 77° 11'22" 45.60 Lynchburg 5
NC-PI-03-05 Briley,J D Pitt 35°38'20" 77° 11'37" 20.50 Lynchburg 4
NC-PI-03-06 Briley,J D Pitt 35°37' 19" 77° 17'25" 164.00 Pactolus 6
NC-PI-03-07 Briley,J D Pitt 35°37'22" 77° 18' 13" 66.30 Osier 7
NC-PI-03-08 Briley,J D Pitt 35°37'38" 77° 17'09" 59.60 Alaga 8
NC-PI-03-09 Briley,J D Pitt 35°37'51" 77° 16'42" 59.60 Altavista 9
NC-PI-200-01 Barnhill,Marjorie R. Pitt 35°41'51" 77° 12'39" 27.20 Lenoir 10
NC-PI-200-02 Barnhill,Marjorie R. Pitt 35°41'45" 77° 12'08" 7.30 Exum 10
NC-PI-200-03 Barnhill,Marjorie R. Pitt 35°41'42" 77° 12' 17" 13.40 Lenoir 10
NC-PI-200-04 Barnhill,Marjorie R. Pitt 35°41'38" 77° 12' 15" 6.70 Craven 10
NC-PI-201-01 Congleton Farms Pitt 35°43'56" 77° 15'39" 13.30 Lenoir 11
NC-PI-201-02 Congleton Farms Pitt 35°43'48" 77° 15'53" 30.40 Exum 11
NC-PI-201-03 Congleton Farms Pitt 35'43'53" 77° 15'54" 7.70 Lenoir 11
NC-PI-201-04 Congleton Farms Pitt 35°43'53" 77° 16'02" 35.40 Goldsboro 11
NC-PI-201-05 Congleton Farms Pitt 35°43'57" 77° 16' 12" 5.90 Goldsboro 11
NC-PI-201-06 Congleton Farms Pitt 35°44'03" 77° 16' 10" 3.80 Lenoir 11
NC-PI-201-07 Congleton Farms Pitt 35°43'59" 77° 14'30" 33.20 Lenoir 12

A1"1'AC:HMENT B-Approved Land Application Sites Certification Date: January 23,2015
City of Washington Permit Number: WQ0001026 Version: 3.0
NC-PI-201-08 Congleton Farms Pitt 35°43'50" 77° 14'36" 4.70 Lenoir 12
NC-PI-201-09 Congleton Farms Pitt 35°44'44" 77° 14' 11" 1.80 Exum 13
NC-PI-201-10 Congleton Farms Pitt 35°44'48" 77° 14' 16" 7.80 Exum 13
NC-PI-201-11 Congleton Farms Pitt 35°45'00" 77° 14'20" 12.00 Exum 13
NC-PI-201-12 Congleton Farms Pitt 35°44'51" 77° 14' 14" 9.00 Exum 13
NC-PI-201-13 Congleton Farms Pitt 35°44'59" 77° 14'07" 6.70 Exum 13
NC-PI-201-14 Congleton Farms Pitt 35°45' 10" 77° 14'09" 36.60 Exum 13, 14
NC-PI-201-15 Congleton Farms Pitt 35°42'42" 77° 15' 19" 8.80 Goldsboro 15
NC-PI-201-16 Congleton Farms Pitt 35°42'37" 77° 15'09" 3.80 Craven 15
NC-PI-201-17 Congleton Farms Pitt 35°42'37" 77° 15'01" 5.30 Goldsboro 15
NC-PI-201-18 Congleton Farms Pitt 35°42'27" 77° 15'02" 14.20 Goldsboro 15
NC-BF-210-01 Hunters Roost Farms Beaufort 35°37'24.8" 77°03'50.0" 16.50 Craven 16
NC-BF-210-02 Hunters Roost Farms Beaufort 35°37'20.0" 77°03'56.6" 27.50 Goldsboro 16
NC-BF-210-23 Hunters Roost Farms Beaufort 35°37'9.2" 77°04'00.4" 13.00 Lynchburg 18
NC-BF-210-03 Hunters Roost Farms Beaufort 35°37'27" 77°04'25" 8.50 Goldsboro 17
NC-BF-210-04 Hunters Roost Farms Beaufort 35°37'09" 77°04'35" 65.50 Goldsboro 17
NC-BF-210-05 Hunters Roost Farms Beaufort 35°37'01.2" 77°04'04.7" 16.00 Rains 18
NC-BF-210-06 Hunters Roost Farms Beaufort 35°37'08.2" 77°03'35.5" 15.50 Lenoir 19
NC-BF-210-07 Hunters Roost Farms Beaufort 35°37' 17.4" 77°03'39.1" 13.50 Lenoir 19
NC-BF-210-08 Hunters Roost Farms Beaufort 35°37" 18.5" 77°03' 17.8" 17.50 Lenoir 20
NC-BF-210-09 Hunters Roost Farms Beaufort 35°38'46.0" 77°04' 18.5" 27.00 Craven 21
NC-BF-210-10 Hunters Roost Farms Beaufort 35°38'39.6" 77°04'39.0" 13.00 Craven 22
NC-BF-210-11 Hunters Roost Farms Beaufort 35°38'30.3" 77°04'45.0" 9.00 Craven 22
NC-BF-210-12 Hunters Roost Farms Beaufort 35°37'28.8" 77°05'21.3" 27.50 Goldsboro 23
NC-BF-210-13 Hunters Roost Farms Beaufort 35°37'36.5" 77°05'32.8" 26.50 Craven 23
NC-BF-210-14 Hunters Roost Farms Beaufort 35°37'39.4" 77°05'26.7" 6.00 Goldsboro 23
NC-BF-210-15 Hunters Roost Farms Beaufort 35°37'24.0" 77°05'33.9" 13.00 Lynchburg 23

ATTACH"-"'TT B-Approved Land Application Sites Certification Date: January 23,2015
City of Wasnington Permit Number: WQ0001026 \ .,ion: 3.0
NC-BF-210-16 Hunters Roost Farms Beaufort 35°41'41.0" 77° 10' 13.2" 25.50 Craven 24
Total 1,308.50

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