NC0020052_Permit (Issuance)_19960830

NPDES DOCUMENT SCANNING COVER SHEET
NPDES Permit: NCO020052
MCAdenville WWTP
Document Type: "I ernut Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Speculative Limits
Compliance
Instream Assessment (67B)
Environmental Assessment (EA)
Permit
History
Document Date: August 30, 1996
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1
State of North Carolina
Department of Environment,
Health and Natural Resources 4 • •
Division of Water Qualityr�71
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary C) E
A. Preston Howard, Jr., P.E., Director
August 30, 1996
Mr. Mike Church
Environmental Engineer
129 Main Street
McAdenville,North Carolina 28101
Subject: NPDES Permit Issuance
Permit No. NCO020052 Renewal
Town of McAdenville WWTP
Gaston County
Dear Mr.Church:
In accordance with the application for discharge permit received on March 18, 1996,the Division
is forwarding herewith the subject state - NPDES 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 December 6, 1983.
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 redeipt 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,
Post Office Drawer 27447, Raleigh, North Carolina 27611-7447. Unless such a demand is made, this
permit shall be final and binding.
Please take notice that this permit is not transferable. Part II,EA. addresses the requirements to be
followed in case of change in ownership or control of this discharge.
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, Coastal Area -
Management Act,or any other Federal or Local governmental permits may be required.
If you have any questions or need additional information, please contact Mr. Mark McIntire,
telephone number(919)733-5083,extension 553.
Sincerely,
Original Signed By
David A. Goodrich
A. Preston Howard, Jr., P.E.
cc: Central Files
Mr. Roosevelt Childress, EPA
Mooresville Regional Office,Water Quality
Mecklenburg County Environmental Protection
P��ermits.and Engineering Unit
Facility Assessment Unit
P.O. Box 29535, Raleigh,North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50%recycled/ 10%post-consumer paper

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Permit No. NCO020052
i
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT, HEALTH, 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,
Town of McAdenville
is hereby authorized to discharge wastewater from a facility located at
Town of McAdenville
end of Church Street
McAdenville, North Carolina
Gaston County
to receiving waters designated as South Fork Catawba River in the Catawba River Basin
in accordance with effluent limitations, monitoring requirements, and other conditions set forth in
Parts I, II, I11 and IV hereof.
This permit shall become effective October 1, 1996
This permit and authorization to discharge shall expire at midnight on September 30, 2001
Signed this day August 30, 1996
Original Signed By
David A. Goodrich
A. Preston Howard, Jr., P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission

Permit No. NC0020052
SUPPLEMENT TO PERMIT COVER SHEET
Town of McAdenville
is hereby authorized to:
1 . Continue to operate a contact stabilization wastewater treatment plant containing an influent
pump station, bar screen, grit chamber, flow measuring device, contact aeration basin,
reaeration basin, aerobic digestor, clarifier, a polishing pond and effluent disinfection located at
McAdenville WWTP, end of Church Street, McAdenville, NC, Gaston County (See Part III of
this Permit), and
2 Discharge from said treatment works at the location specified on the attached map into South
Fork Catawba River which is classified Class WS-V waters in the Catawba River Basin.

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ROAD CLASSIFICATION SCALE 1 :24 000
PRfMARY HIGHWAY LIGHT-DUTY ROAD.HARD OR 0 1 MILE
HARD SURFACE IMPROVED SURFACE
SECONDARY HIGHWAY o 70DO FEET
HARD SURFACE C=300= UNPAPROVEA ROAD __ -
1 0 1 KILOMETER
Latitude . 35°15 2" Longitude 81°04'21 I'
Map # F14SE Sub-basin 03-08-36 CONTOUR INTERVAL 10 FEET
Stream Class WS-V
QUAD LOCATION Town of McAdenville
Discharge Class 100% Domestic NCO020052
Receiving Stream South Fork Catawba River % Gaston County
Design Q 0.13 MW Permit expires 9/30/01 WWTP

A. O. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS FINAL Permit No. NCO020052
During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from
outfall(s) serial nuniber 001. Such discharges shall be limited and monitored by the perntiltee as specified below:
Effluent Characteris lcr Discharge l.lroltatl_4ns Mgn;toring__Reauiremgnts
Measurement am 1-e *Sample
Monthly Avg. Weekly Avg. Daily Max Frpquen.p fivge Location
Flow 0.130 MGD Continuous Recording I or E
BOD, 5 day, 20°C" 30.0 m g/l 45.0 m g/I Weekly Composite E, I
Total Suspended Residue" 30.0 mg/I 45.0 mgll Weekly Composite E, I
NH3 as N Weekly Composite E
Fecal Coliform (geometric mean) 200.0 /100 ml 400.0 /100 ml Weekly Grab E
Total Residual Chlorine 2/Week Grab E
Temperature Daily Grab E
Total Nitrogen (NO2 + NO3 + TKN) Quarterly Composite E
Total Phosphorus Quarterly Composite E
* Sample locations: E- Effluent, I - Influent
** The monthly average effluent BOD5 and Total Suspended Residue concentrations shall not exceed 15 %of the respective influent value(85
% removal).
The p14 shall not be less than 6.0 standard units nor greater than 9.0 standard units and shall be monitored weekly at the effluent by grab
sample.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

• a ,
Staff Review and Evaluation
NPDES Wastewater Permit
FACILITY INFORMATION
Facility ( Town of McAdenville, WWTP
NPDES No. NC0020052
Design Flow(MGD) 0.130
Facility Class 11
STREAM CHARACTERISTICS
Stream Name; South Fork Catawba River
Stream Class WS-V
Sub-basin k03O836
Drainage Area (mil) 632
S7Q10 (cfs) 124
W7Q10 (cfs) 226
30Q2 (cfs)
IWC (%) 0.16 (©0.130 MGD)
Proposed Changes Parameters Affected Basis for change(s)
Monitoring Frequencies HODS, TSS, NH3, TRC, FC, T 213 .0500 Regulations
Compliance Schedule. None
Special Condition(s): None
Permits&Engineering Comments:
Recommend renewal of NPDES permit. Have been no modifications since last renewal.
Monitoring frequencies have changes due to the 213 .0500 Regs. Stream classification has
changed from WS III to WS V. Permitted flow remains 0.130 MGD.
Prepared by: _111AZ & :
Regional Office Evaluation and Recommendations:

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Dat e April 29 , 199,::
NFDF3 STAFF REPORT AND RECOMMENDA71ONS
County : Gaston
FFDES Permit No , ! FC0020052
MRO No . : 96- 32
PART 1 - GENE - WWRMATION CrI
Faniiity and Rdorrsy : Town of Mchlenville NHTP Uj 11 j
7.
Port Of4ce Box 129
McAdenville , N . C . 28101
Date of investigation : spril 29 , 1996
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3 - Report Prerared By : Michael L , Forker , 0,aviron . Engr . ! I
1 . Ferson WntactK and Telephone Number : mike Church, (704 )
5 . Mentions to Site : From the jV . of Hwy , 7 (Main Street .,
and SR 2225 (Nesloyan Drive) in the Town of Mchdenvillej
? ravel Fcnth on SR 2209 1 0 , 3 mile and torn left ontc Churv'',,
Street (no SR number ) . The WNTF is 1ccatee at the end of
Much Stvaet .
6 - Discharge Foint ( s ) , List MY all d0wharge Faints ; -
Latitude : TY H ' 20''
Lan,ity6e : 31 ' 94 ' 22''
a USGS MRy Wtrawt and indicate treatment plant site
and discharge point on nap -
USGS UK No . : F 14 SE
Site size and exVansion area consistent with app a o n licti :
let , Limited area is available for expanTion .
8 , Topography Crelationship to flood plain included) :
Relatively flat , 1- 3% slopes . The NWTF site appears to 02
located within the 100 year flood plain, however , the WWT
facilities are elevated , which minimizes the potentiAl for
flooding .
9 . Location of Nearest Dwelling : Several within 500 feet of
the WWTF site . The nearest dwelling is 1 200± feet from the
WWTP

Fage Two
in . Receiving Stream cr ARnoted furface Nate: E : so& h Foy.''�
Catawba River
R Classification ! AS-7!
b . River Basin and Subbasin No . - fatayoR 010SM:-
C . Describe reapiving stream features and pertinent
down0ream uoes ! Receiving stream h3s excellent fW-_-
and is impFated Wth upUream •aud down2tream by Mher
waotew t aer disch e r argB . D ownstream u e ss are fer fisln-
aM wildliEa propagation as well as a &VAling wate''
supply source .
PRRT TT DESCRIPTION OF DISCHARGE RM TREATME77 FORM
1 . a . Volume of Wastewater : 0 . 130 MC D ( Design CaDacity)
> ' Hhat is the current permitted capacity : 0 , 130 MGD
C . Actwal trPatment capacity of current 'arility kurrpnt
design capacity) : 0 , 110
a _ Date( s ) anQ conntr�ction activities n1lowed by previour-
ATM issued in the previou3 two year— 0-1.
W . Description of existing or subntantial : y ccnstructed
NWT facilities : The existing HTT facilities consist of
an influent pump station followed by a bar screen ,
grit chamber , a flow measuring device. a contact
veration chamber (Viffused) , a Leaerstion hasin, an
aerobic digester , a clarifier , and effluent
disinfection . A polishing pond also car isti , however. it
ia not in use and An Town haF nn plans to reactivate
it , Stand-by power is available becauss the WWTP can
obtain power from "wo ( 2 ) separate pouTr swurc— Duke
Fower and a neauby mill ) ,
2 Dpsrription of proposed NWT fdrilitins : N/-7.
91 Fnsvibly toxic impacts to aurface Mays : Chlorine is
US& for disinfection -
h . Frespeatment Frogram (PCTHs c
only) : This facility
Kepeives a small amount of non-domesti wastewater from
a- adjacent tP& P , mill , The wastewater consists of
cooling towen was"TwateL and hoiler KSWHOyn . _TL'
pretreatment program is unnecessary ,
2 . Residual handling and utilization!disposal scheme : Residuals
ore removed when necessary and taken for lisposal to the
Phair Yarns inUstrial NHTP -
3 . Treatment Plant Classification : Cla5s 11 (no change from
previous rating) -
4 - SIC Code( s ) ; 4952 Matewater Codv( s ) ; 01

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