NC0078955_Permit Issuance_20010924

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
William G. Ross, Jr., Secretary
Gregory J. Thorpe Ph.D., Acting
1 Veil "ej U sicu ema.L
Mr. jaseph-�ell
City of Dunn- Water Treatment Plant
P. O. Box 1065
Dunn, North Carolina 28334
ock"i, i Z
Dear Mr. Campbell:
1t •:'
L
NCDENR
NORTH CAROLINA DEPARTMENT OF
Director ENVIRONMENT AND NATURAL RESOURCES
September 24, 2001
Subject Issuance of NPDES Permit
Permit NCO078955
Dunn WTF
Harnett County
Division personnel have reviewed and approved your application for 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 May 9, 1994 (or as subsequently amended).
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 demand is made, this decision shall be final and binding.
Please note that this permit is not transferable except after notice to the Division. 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 Quality or permits required by the Division of
Land Resources, the Coastal Area Management Act or any other Federal or Local governmental permit that may be
required.
If you have any questions concerning this permit, please contact Carliethia Rivers at telephone number
[phone], extension 594.
cc: Fayetteville Regional Office/WateY Quality Section
Point Source Compliance
Central files
NPDES Unit
1617 Mail Service Center, Raleigh, North Carolina 27699.1617
VISIT us ON THE INTERNET 0 http:#h2o.enr.state.nc.us1NPDES
Sincerely,
ORIGINAL SIGNED BY
G - orpe. Ph.
k�,ln w , [cl v,ct -
919 733-5083, extension 594 (fax) 919 733-0719
Cadiethia.Rivers®nemail.nel

Permit NCO078955
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision 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,
City of Dunn
is hereby authorized to discharge wastewater from a facility located at the
Dunn Water Treatment Facility
805 West "E" Street
East of Erwin
Harnet County
to receiving waters designated as Juniper Creek in the Cape Fear River basin
in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I,
II, III and IV hereof.
This permit shall become effective 1
2,01 1
This permit and authorization to discharge shall expire at midnight on September 30, 288b:
Signed this day September S e hP� ',_ Q
ORIGINAL SIGNED BY
SUSAN A. WILSON
ctor 4UW .
Division of Water Quality
By Authority of the Environmental Management Commission

_ Permit NC0078955
SUPPLEMENT TO PERMIT COVER SHEET
Cityof Dunn is hereby authorized to CO
y r�
1. Continue to operate an existing drinking water treatment facility uith the following
components:
♦ Lined storage Lagoon
♦ 9,030 linear feet of sludge drying beds
The facility is located at Dunn Water treatment Facility, on 805 West "E" Street,
east of Erwin, Harnett County, U A.. Uhis-peFmit1.
2. Discharge filter -backwash wastewater from said treatment works at the location
specified on the attached map into Juniper Creek lassified CL-was C
waters in the Cape Fear River basin.

County Boundary
Cape Fear Hydrography
j� Highways
• NPDES discharger
Municipal boundary
N
A
City of Dunn
Dunn Water Treatment Facility
NCO078955
Harnett County
1 0 1 Miles
Facility Information
Stale Grid: F 24 SW
USGS Quad: Ervin
Subbasin: 03-06-13
b91*i4����®9b��•'����at

Permit NCO078955
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS �, _r y -
During the period beginning on the effective date of the permit and lasting until a fa =
Permittee is authorized to discharge from outfall 001. Such discharges shall be limited and monitored
by the Permittee as specified below:
EFFLUENT
CHARACTERISTICS
LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample Type
Sample Location
Flow
Weekly
Instantaneous
Effluent
Total Suspended Solids
30.0 m L
45.0 m L
2JMonth
Grab
Effluent
Settleable Solids
0.1 ml/L
0.2 mVL
Weekly
Grab
Effluent
Turbidity I
+
Weekly
Grab
Upstream & Downstream
Iron
Weekly
Grab
Effluent
Total Residual Chlorine z
Weekly
Grab
Effluent
Aluminum
Weekly
Grab
Effluent
Footnotes:
1. The discharge shall not cause the tribidity of the receiving water to exceed 50 NTU. If the tribidity
exceeds these levels due to natural background conditions, the discharge level cannot cause any
increase in the tribidity in the receiving water.
2.
All sap es collected should be of a representative discharge
There shall be no discharge of floating solids or visible foam in other than trace amounts.

P.g. 23. 2001 1:33PM
Aug 14 07:52 2001 User: Melody Tart; Title: 130150-1;
STATE OF NORTH CAROLINA,
COUNTY OF HARNETT
In the matter of:
Ref ad S: 60952 WASTEWATER PERMIT
I, Suzanne Lee, being duly sworn, say: that I am
CLASSIFIED ADVERTISING CLERK of THE DAILY RECORD,
a newspaper published at Dunn, Harnecc Councy, Norch C•
and that the attached clipping is a copy of the Notice
Published said newspaper for 1 daye, as Follows:
08/10/2001
as required by law in the above entitled suit
This newspaper is qualified fox legal advertising
in accordance with G.S. 1-597 and 1-59 qNI A.
Classified Aft eing
Subscribed and sworn to before toe,
this 14th day of August, 2001
Notary Public
t My commission expiAGOMMISSIONEXPIRESDULY21 2002
No,5461 P. 4
PUBLIC NOTICE
STATE OF NORTH. CAROLINA
ENVIRONMENTAL MANA4ELdEN1_COMMISSIOWNPDES UNIT,
:1617 MAIL SE t,E.CENTER'
RALEIGH, I fZ 276994 517
NOTIFICATION OF INTENT. TO ISSUE A NPDES WASTEWATER PEWITI
On the basis of thorough staff; review aM appllcatf0n:6fNC General'$tatute j
.143.21 P.ubllc law 92.500 and other lawful stapdirds and regulations, the ;II
North Carolina Environmental Matiagement Commission proposes to issue.
a National Pollutant Discharge Elimination System (NPDES).wastew.ater .
discharge permit to the parson(s) listed below effective 45 days trorn,the
publish date of this notice- .
NPDES Pemtk'Number N000786SS. DUNN, CITY, 99 P.0• BOX i 065,
DUNN, NC 28334 has applied for a facility bcated in.HARNETT County
discharging wastewater Into JUNIPER CREEK iri the CAPE FEAR Aber
Basin. Currerttfy no parameters are water qualityAriited' This discharde
may affect future allocations in this portion of the receiving stream.
NPDES Permit Number NC00SO660, ERWIN WTP, TOWN OF. P.O: BOX
459, ERW INh NG 28339 has appliedlor afacillty'looaied in HARNETT Cmn;
ty diseharging.wastewater into LIT CAPE FEAR RIVER In the CAPE FEAR
Rtvar Basin- Cuuentlynoparameterserewaferqualdyllmfted,,This.
discharge may affectfuture agocations in this.pordon ottee receiving stream
Written comments regarding the proposed permit will be accepted until 30
days after the publish date of this notice.' All comments received prior to tha
date are considered In the final determinations regarding the proposed'
permit The Director of the NO Division of Water Quality may dectdab hole
A public meeting for the proposed permit should the Division, receive asignif
4 loan degree.of public interest.
Copies of the draft permit and other supporting information.oih fits used in
determine conditions present in the draft permit are available upon request
and payment of tie costs of reproduction; Mall comments andlor requests
for infornalloA to -the NC Division of Water Oualftyat the above address of
bell Ms. Christie Jackson at (919),733.5d83, extension Ple Areeslcl
the NPDES permit number (attached) in 'any comyn
ed
persons may also visit the Division of Water Quality at 512 N. Salisbury
Street, Raleigh, NC 27604-1.148 between the hours of 8:00 a.rit.; and 5:00
p.m. to review information on file.

Draft NPDES Permit Review
Subject: Draft NPDES Permit Review
Date: Fri, 14 Sep 2001 10:50:22 -0400
From: Kitty Kramer <[e-mail]>
Organization: NC Dept. of Environment and Natural Resources
To: carliethia rivers <[e-mail]>
Goodmoming Carliethia,
I finished a review of two (2) draft NPDES Permits NC0080560, Town of Erwin WTP and NC0078955,
Town of Dunn WTP and they looked very good, thank you.
I do have one thing I would ask you to check on priour to issuance of these two permits, and that is
whether monitoring for pH is still required for water treatment plants. I thought there had been a memo
issued from Colleen Sullins that deleted this parameter.
Kitty
1 of 1 9/17/01 12:52 PM

DIVISION OF WATER QUALITY
April 12, 2001
MEMORANDUM
TO:
Christie Jackson
NPDES Permits
THROUGH:
Paul Rawls, Water Qual' ional Supervisor
Fayetteville Regional Offic
FROM:
Hughie M. White II, Environmental Technician
Fayetteville Regional Officoi
/n
SUBJECT:
NPDES Permit Renewal
City of Dunn Water Treatment Plant
NPDES Permit No. NCO078955 1,
Harnett County
Please find below the regional comments for the subject minor permit renewal.
The applicant is not requesting modification of facility or increasing flow at this time.
A rating sheet is not attached as no modifications were made to this facility during the
previous permit cycle.
A review of compliance data did not reveal any significant or repetitive violations.
Based on the last NPDES Compliance Inspection, there are no outstanding repairs or
modifications of the treatment works necessary at this time.
No special conditions, limitations, or monitoring is suggested at this time.
Based on the above information, the Fayetteville Regional Office recommends reissuance in
keeping with the current basin wide strategy.
/iT# 400 5
Attachment
cc: Kitty Kramer
Central Files
u' APR 19 e'LJJ
DENR - WATER QUi'UTY
POINT SOURCE BR.'�iiCH

North Carolina
Department of Environment and Natural Resources
AM
Division of Water Q ualit Y r
!Ll��
Fayetteville Regional Office NCDENR
Michael F. Easley, Governor
William G. Ross, Jr., Secretary
Kerr T. Stevens, Director
March 15, 2001
The Honorable Abraham Oudeh
Mayor, City of Dunn
PO Box 1065
Dunn, NC 28335
SUBJECT: Compliance Evaluation Inspection
City of Dunn WTP
NPDES Permit No. NCO078955
Harnett County
Dear Mr. Oudeh:
Enclosed is a copy of the Compliance Evaluation Inspection conducted on March 14, 2001.
As part of the inspection, a tour of the Water Treatment Plant was conducted. All
observations and recommendations are in Part D. (Summary of Findings/Comments) of this
inspection report. Remember, it is our goal to insure the quality of the surface waters of this State.
Please review the attached report. If you or your staff have any questions do
not hesitate to contact me at [phone].
Sincerely,
Hughie M. White II
Environmental Technician
/hmw
Enclosures
cc: Central files
DWQ NPDES Compliance
225 GREEN STREET - SUITE 714 / SYSTEL BUILDING / FAYETTEVILLE, NC 28301-5043
PHONE [phone] FAX [phone] WWW.E R.STATE.NC_US/ENW
AN EQUAL OPPORTUNITY / AFFIRMATIVE ACTION EMPLOYER- 50116 RECYCLED/10% POST CONSUMER PAPER
DENR TOLL FREE HOTLINE: [phone]

NPDES COMPLIANCE INSPECTION REPORT
North Carolina Division of Water Quality
Fayetteville Regional Office
Section A. National Data System Coding
Transaction Code: N NPDES NO. NCO078955
Inspector: S Facility Type: 1
Facility Evaluation Rating: 4 BI: N QA: N
Section B: Facility Data
Name and Location of Facility Inspected:
City of Dunn WTP
Harnett County
Entry Time: 10:00 am
Exit Time/Date: 11:05 am
Name(s), Title(s) of On -Site Representative(s):
Mr. Darryl Glover (Cert. Grade I) - "ORC"
Phone Number(s): 910-897-5129
Name, Title and Address of Responsible Official:
Mr. Abraham Oudeh, Mayor
PO Box 1065
Dunn, NC 28335
Section C: Areas Evaluated During Inspection
Date: 010314 Inspection Type: C
Reserved:
Reserved:
Permit Effective Date: 960601
Permit Expiration Date: 010930
Contacted: no
S = Satisfactory, M = Marginal, U = Unsatisfactory, N = Not Evaluated, NIA = Not Applicable)

Section D: Summary of Findings/Comments:
1. A copy of the NPDES permit was available upon request.
2. A Compliance Evaluation Analysis Report for the period of January, 2000 through December, 2000
revealed no NPDES permit violations.
3. Laboratory records for the months of September, 2000 and October, 2000 were reviewed. All
benchsheet data appeared to be correct as reported on the DMR's. Calibration records for the
4 and 7 pH buffers were also reviewed and being correctly recorded.
4. Chlorine Residual and pH are analyzed on site. Total suspended solids are analyzed at the Dunn
WWTP laboratory. Iron and Aluminum are analyzed by the commercial laboratory, Chemical
and Environmental Technologies, Inc.
5. Maintenance records were also reviewed and properly documented. Flow rate, at this facility, is
determined by multiplying the pumping rate (GPM) by the pump time (in minutes) and dividing
by 1440 min/day= gals/day. Flow rate is logged everyday.
6. Alum sludge from the sedimentation basins and filter backwash make up the wastewater produced at
this facility. The wastewater flows into a 1.5 million gallon lagoon. From the lagoon, the wastewater
is pumped into a clair-vac system where the solids settle out and the clear water on top flows over the
weirs to the receiving stream. Initially, the sludge build up in the clair-vac system was designed to
flow into five (5) drying beds for further processing. Currently, the drying beds are not being used
and the sludge in the clair-vac system is directly transferred back into the lagoon. Once the lagoon
has reached its sludge holding capacity, the lagoon is then pumped and the sludge is disposed of at
a permitted land application site. It was also recommended to Mr. Glover, "ORC," that once the
lagoon has reached its maximum sludge holding capacity, immediate action needs to be taken to
remove the sludge in order to prevent any NPDES permit violations.
7. The outfall was accessible and the effluent was very clear.
8. Asa reminder, the current NPDES permit will expire on September 30, 2001. A permit renewal
application needs to be submitted at least 180 days prior to the current permit expiration date.

Name and Signature of Inspector Agency/Office/Telephone Date
Hughie M. ite II DENR/Fayetteville/910-486-1541
Nam and Signature of Reviewer Agency/Office/Telephone Date
Belinda S. Henso 1 DENR/Fayettevillet910-486-1541 3 — 15 — 01
Regulatory Office Use Only
Action Taken Compliance Status Date
Noncompliance
_Compliance

CITY OF DUNN
POST OFFICE BOX 1065 • DUNN • NORTH CAROLINA 2
Mayor
Abraham Oudeh
Mayor Pro Tem
Michael H. Womble
Councilmembers
George Robinson
Carolyn P. McDougal
Paul Bass
Toby Sumner
Joey Tart
Ms. Valery Stephens
DENR-Water Quality Section
Point Source Branch
1617 Mail Service Center
Raleigh, NC 27699-1617
Dear Ms. Stephens:
I
AN - 2 2001
DENR-WATER QUALITY
POINT SOURCE BRANCH
March 27, 2001
Re: Renewal of NPDES Permit No. NCO078955
.City Manager
Carl G. Dean
We are enclosing the following information in regards to this request for renewal of the City of Dunn
Water Treatment Plant NPDES permit to discharge treated supernate waters from our alum sludge
facilities:
• One signed original and two copies of NPDES Permit Renewal Application - Short Form
C.
• Three copies of a narrative description of our water treatment plant and sludge handling
processes.
• Two additional copies of this letter.
There have been no changes in our operation at the water plant since the permit was last renewed.
If you have any questions, please call me at [phone].
x
Sincerely yours,
,&osepK J. Campbell
Public Utilities Director
k�ieF.'MIr:1p

Water Produced
Raw Water
Processed
Flow
MGD
Avera a
Peak
Per Day
3.39
5.2
Per Month
101
103
Per Year
1,237
11237
Chemicals Consumed
Chemicals
Consumed
Average/Monthly (LBS.)
Aluminum Sulfate
37,300
Sodium Hydroxide
14,827
Chlorine
4,990
Phosphate
690
Carbon
20
Polymer
85
Ammonia
11050

CITY OF DUNN, NORTH CAROLINA
WATER TREATMENT FACILITY
NARRATIVE DESCRIPTION
The City of Dunn's water treatment facility is an eight MGD conventional type treatment facility
securing it's raw water from the Cape Fear River. This facility supplies potable water to the City of
Dunn as well as the Town of Benson and other rural regions of Harnett and Sampson Counties. The
facility, as originally constructed during the 1960's included a raw water pump station, flash mixer,
flocculators, sedimentation basins with mud drains, gravity sand -anthracite standard rate filters,
clearwell storage, chemical feed equipment, and high service pumping units.
During the late 1970's, alum sludge handling facilities were added to the facility to decant
backwash and basin blowdown wastewater. The wastewater handling facilities include a large
storage lagoon and a dosing pump station which provides a controlled flow rate to a sludge
concentrator. The concentrated sludge is dewatered using sand drying beds or co -disposed of in
liquid form with liquid wastewater sludge on properly permitted farm lands. The concentrator clear
overflowing supernate water is discharged to Juniper Creek.
During the early 1990's the water treatment facility was expanded to its current capacity of
eight MGD. This upgrade include the renovation and expansion of raw and finish water pumping
units, the installation of a vacuum operated sedimentation basin sludge collection system, the
installation of sedimentation basin tube settlers, the high rating of the gravity filters, chemical feed
renovations, etc.
The wastewaters from the sedimentation basin sludge collection system and the gravity filter
backwash waters are transferred to the previously installed sludge handling facilities. The
sedimentation basin sludge collection system transfers approximately 80,000 GPD of wastewater to
the existing storage lagoon at 1 % solid concentration. Filter backwash waters are discharged to the
lagoon as necessary and each backwash cycle waste approximately 50,000 gallons. The

accumulated wastewaters in the storage lagoon are transferred to a sludge concentration unit which
has a flow through rate of approximately 250 GPD. The supernate clear water is returned to Juniper
Creek located in the Cape Fear River Basin. Actually daily flows which may be discharged may be
up to 200,000 GPD. The water filtration plant operation employees a conventional coagulant type
system using aluminum sulfate and sodium hydroxide. Accumulated solids are periodically disposed
of by land application of liquid sludge (co -disposed with wastewater's sludge) on permitted farm
lands. Approximately 400,000 gallons of 6.2% solid sludge was land applied during the past 12
months.

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
August 18, 2000
Mr. Carl Dean
City of Dunn
P. O. Box 1065
Dunn, NC 28334
ALT
AWN
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Subject: NPDES Permit Modification
Permit NCO078955
Dunn WTP
Harnett County
Dear Mr. Dean:
The Division is beginning the cycle of permit renewals for the Cape Fear river basin. An examination of the Cape
Fear basin plan and the NPDES permit schedule has revealed that the existing expiration dates in Cape Fear NPDES
permits do not coincide with the revised permit expiration dates for the basin. This discrepancy could create unnecessary
delays in the processing of over 200 permit renewals. Accordingly, the Division is changing the permit expiration dates for
NPDES permits in the Cape Fear river basin.
This permit modification changes the expiration date of the subject permit in subbasin 30613 to September 30, 2001.
Please find enclosed the revised permit cover page. Insert the new cover page into your permit and discard the old page.
All other terms and conditions contained in the original permit remain unchanged and in full effect. This permit
modification is issued under the requirements of North Carolina General Statutes 143-215.1 and the Memorandum of
Agreement between North Carolina and the U. S. Environmental Protection Agency.
In accordance with the modification of the permit expiration date, the new due date for your renewal application is
April 3, 2001. Renewal application forms will be sent to you approximately 6-8 weeks in advance of the new due date or
you may download the forms from the NPDES web site at http://h2o.enr.state.nc.us/NPDES/documents.html. You
will need to download Short Form C. If you have already submitted a permit renewal form, there is no need to submit
any other forms to the Division; the application will be processed during the renewal period for your subbasin.
If any part of this permit modification 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 a written petition conforming
to Chapter 150B of the North Carolina General Statutes, filed with the Office of Administrative Hearings (6714 Mail
Service Center, Raleigh, North Carolina 27699-6714). Unless such demand is made, this decision shall be final and binding.
If you have any questions concerning this permit modification, please contact Natalie Sierra at [phone],
extension 551.
Sincerely, %n
Id Id ojuv
Kerr T. Stevens
cc: Central Files
Fayetteville Regional Office, Water Quality Section
Point Source Compliance Enforcement Unit
ODES Unn
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer VISIT us ON THE INTERNET @ http://h2o.enr.state.nc.us/NPDES

Permit NCO078955
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
PFRMTT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision 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,
City of Dunn
is hereby authorized to discharge wastewater from a facility located at the
Dunn WTP
West E Street
Erwin
Harnett County
to receiving waters designated as Juniper Creek in the Cape Fear River Basin
in accordance with effluent limitations, monitoring requirements, and other
conditions set forth in Parts I, II, III and IV hereof.
This permit shall become effective September 1, 2000.
This permit and authorization to discharge shall expire at midnight on September 30,
2001.
Signed this day August 18, 2000.
Kerr T. Stevens, director
Division of Water Quality
By Authority of the Environmental Management Commission