NC0075027_Permit Issuance_19961223

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
December 23, 1996
Mr. R. Don Cain
Cains Way Homeowners Association
P.O. Box 846
Walkertown, North Carolina 27051
A
[DEHNt=1
Subject: NPDES Permit Issuance
Permit No. NCO075027
Cains Way Mobile Home Park
Forsyth County
Dear Mr. Cain:
In accordance with the application for discharge permit received on July 23, 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 [phone], extension 553.
Sincerely,
Driginal Signed By
David A. Goodrich
A. Preston Howard, Jr., P.E.
cc: Central Files
Mr. Roosevelt Childress, EPA
Winston-Salem Regional Office, Water Quality
Permits 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

Permit No. NCO075027
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT, HEALTH, AND NATURAL RESOURCES
DIVISION OF WATER QAULTIY
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,
Cains Way Homeowners Association
is hereby authorized to discharge wastewater from a facility located at
Cams Way Mobile Home Park
Pinehall Road
North of Walkertown
Forsyth County
to receiving waters designated as Ader Creek in the Roanoke River Basin
in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I,
II, III and IV hereof.
The permit shall become effective February 1, 1997
This permit and the authorization to discharge shall expire at midnight on January 31, 2002
Signed this day December 23, 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. NC0075027
SUPPLEMENT TO PERMIT COVER SHEET
Cains Way Homeowners Association
is hereby authorized to:
Continue to operate a 0.0432 MGD wastewater treatment facility consisting of an
aerated 10,000 gallon equalization basin, bar screen and splitter box, dual extended
aeration basins, clarifier, tertiary filters, and chlorinator located at R. Don Cain
Property, North of Walkertown on Pinehall Road, Forsyth County (See Part III of
this Permit), and
2. Discharge from said treatment works at the location specified on the attached map
into Ader Creek which is classified Class C waters in the Roanoke River Basin.

ROAD CLASSIFICATION
PRIMARY HIGHWAY LIGHT -DUTY ROAD. HARD OR
HARD SURFACE IMPROVED SURFACE
SECONDARY HIGHWAY
HARD SURFACE =3011111=1 UNIMPROVED ROAD C -
Latitude 36012'20° Longitude 80109'08"
Map # C18NW Sub -basin 03-02-01
Stream Class C
Discharge Class 08
Receiving Stream Ader Creek
Design Q 43200 GPD Permit expires 1/31/02
SCALE 1:24 000
0 7000
0 1 KILOMETER
CONTOUR INTERVAL 10 FEET
QUAD LOCATION Cains Way Mobile Home Park
NCO075027
% Forsyth County
WWTP

A. (). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS SUMMER (April I - October 31)
Permit No. NC0075027
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 number 001. Such discharges shall be limited and monitored by the Permittee as specified below:
Mon. Ave.
Flow
0.0432 MGD
BOD, 5 day, 20°C
11.0 mg/I
Total Suspended Residue
30.0 mg/I
NH3 as N
rg/1
Dissolved Oxygen2
Fecal Coliform (geometric mean)
200,W100ml
Total Residual Chlorine
Temperature
Temperature
i�
Measurement
Sample
Sample]
Daily Max.
Frequency
Type
Location
Continuous
Recording
I or E
16.5 mg/I
Weekly
Composite
E
45.0 mg/I
Weekly
Composite
E
Weekly
Composite
E
Weekly
Grab
E,U,D
400 / I OOmI
Weekly
Grab
E,U,D
2/Week
Grab
E
Daih
Grab
E
Wethiy
Grab
U,D
Weekly
Grab
E,U,D
Notes:
Sample Locations: E - Effluent, I - Influent, U - Upstream at least 100 feet, D - Downstream at NCSR 1939
2 The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/I.
The pH 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. (). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS WINTER (November I - March 31) Permit No. NC0075027
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 number 001. Such discharges shall be limited and monitored by the Permittee as specified below:
Flow
BOD, 5 day, 20°C
Total Suspended Residue
NH3 as N
Dissolved Oxygen2
Fecal Coliform (geometric mean)
Total Residual Chlorine
Temperature
Temperature
Units
(specify)
Measurement
Sample
Sample,
Mon. Ave.
Daily Max.
Frequency
_Type
Location
0.0432 MGD
Continuous
Recording
I or E
22.0 mg/I
33.0 mg/I
Weekly
Composite
E
30.0 mg/I
45.0 mg/I
Weekly
Composite
E
4.0 mg/I
Weekly
Composite
E
Weekly
Grab
E,U,D
209AI100ml
400,E/100mI
Weekly
Grab
E,U,D
2/Week
Grab
E
Daily
Grab
E
Weekly
Grab
U,D
Weeklv
Grab
E,U,D
Notes:
t Sample Locations: E - Effluent, I - Influent, U - Upstream at least 100 feet, D - Downstream at NCSR 1939
2 The daily average dissolved oxygen effluent concentration shall not be less than 5.0 mg/I.
The pH 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.

Staff Review and Evaluation
NPDES Wastewater Permit
FACILITY INFORMATIO
Facility
Cain Mobile Home Park
NPDES No.
NC0075027
Design Flow (MGD)
0.0432
Facility Class
II
STREAM CHARACTERISTICS
Stream Name
Ader Creek
Stream Class
C
Sub -basin
030201
Drainage Area (miz)
1.11
S7Q10 (cfs)
0.075
W7Q10 (cfs)
0.2
30Q2 (cfs)
0.2
IWC (%)
47% (@0.0432 MGD)
Proposed Changes
Parameters Affected
Basis for change(s)
Permit Limit
NH3
Mass balance calculation
Compliance Schedule: None
Special Condition(s): None
Permits & Engineering Comments:
There have been no facility modifications since the last renewal. Facility has consistently
met permit limits. Recommend changing the ammonia limits to 2 mg/1 and 4 mg/1 based on
the mass balance calculations. Recommend renewal of permit.
Prepared by: _
Regional Office Evaluation and Recommendations:
9
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