NC0046302_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. Jerry R. Carlton
Town Manager
210 W. Main Street
Mayodan, North Carolina 27027
Dear Mr. Carlton:
C) FEE HNF 1
Subject: NPDES Permit Issuance
Permit No. NCO046302
Mayodan WTP
Rockingham County
In accordance with the application for a discharge permit received on July 15, 1996, the Division is
forwarding herewith the subject 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 US
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
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, Post Office Drawer
27447, Raleigh, North Carolina 27611-7447. Unless such demand is made, this decision shall be final and
binding.
Please take notice this permit is not transferable. Part IL E.4. 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 permit that may be required.
If you have any questions concerning this permit, please contact Mary Cabe at telephone number (919) 733-
5083, extension 518.
Sincerely,
Original Signed By
David A. Goodrich
A. Preston Howard, Jr., P.E.
cc Central Files
Winston-Salem Regional Office
Mr. Roosevelt Childress, EPA
Permits and Engineering Unit y
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. NCO046302
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 Mayodan
is hereby authorized to discharge wastewater from a facility located at the
Mayodan Water Treatment Plant
500 East Roach Street
Mayodan
Rockingham County
to receiving waters designated as an unnamed tributary to the Mayo River 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
Qavid A. Goodrich
A. Preston Howard, Jr., P.E., Director
Division of Water Quality
By Authority of the Environmental Mangement Commission

Permit No. NC0046302
SUPPLEMENT TO PERMIT COVER SHEET
Town of Mayodan
is hereby authorized to:
1. Continue to operate two alternately utilized settling lagoons located at Mayodan Water Treatment
Plant, 500 East Roach Street, Mayodan, Rockingham County (See Part III of this Permit), and
2. Discharge from said treatment works at the location specified on the attached map into an
unnamed tributary to the Mayo River which is classified Class WS-IV CA waters in the Roanoke
River Basin.

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ROAD CLASSIFICATION
PRIMARY HIGHWAY LIGHT -DUTY ROAD, HARD OR
HARD SURFACE IMPROVED SURFACE
SECONDARY HIGHWAY
HARD SURFACE CEM= UNIMPROVED ROAD
Latitude 36°25'18° Longitude 79058'04"
Map # B19NW Sub -basin 03-02-02
Stream Class WS-lV CA
Discharge Class _ 21
Receiving Stream UT to Mayo River
Design 0 varinhIp _ Permit expires 1 /31 /02
a
SCALE 1:24 000
...xsPp[yaryyS.iW.lW..2 :A�.. :'C6.Yi�=`'TBnT.'�`._
7000
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CONTOUR INTERVAL 20 FEET
QUAD LOCATION Town of Mayodan
NCO046302
Rockingham County
WTP

A. (). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS FINAL
Permit No. NC0046302
During the period beginning on the effective date of the permit and lasting until expiration, the Petmittee is authorized to discharge from outfall
serial number 001. Such discharges shall be limited and monitored by the permittee as specified below:
Effluent Characteristics
Discharge Limitations
Lbs/dav Units (sReclfv)
Monitoring
Measurement
Requirements
Sample *Sample
Mon.
Ava. Daily Max Mon. Ava. Daily Max.
Frequency
Tvpe Location
Flow
Weekly
Instantaneous
E
Total Suspended Solids
30.0 mg/I 45.0 mg/I
2/Month
Grab
E
Settleable Solids
0.1 ml/I 0.2 ml/I
Weekly
Grab
E
Turbidity
Weekly
Grab
U,D
Iron
Weekly
Grab
E
Total Residual Chlorine
Weekly
Grab
E
.�i
* Sample locations: E - Effluent, U - Upstream, D - Downstream at least 100 feet from the outfall.
** The discharge shall not cause the turbidity of the receiving water to exceed 50 NTU. If the turbidity exceeds these levels due to natural
background conditions, the discharge level cannot cause any increase in the turbidity in the receiving water.
All samples collected should be of a representative discharge.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

Staff Review and Evaluation
NPDES Wastewater Permit
FACILITY INFORMATION
Facility Town of Mayodan WTP
NPDES No. NCO046302
Design Flow (MGD) 0.03
Facility Class I
STREAM CHARACTERISTICS
Stream Name
LIT to Mayo River
Stream Class
WS-IV CA
Sub -basin
03-02-02
Drainage Area (mil)
S7Q10 (cfs)
0
W7Q10 (cfs)
30Q2 (cfs)
IWC M
100%
Proposed Changes
Parameters Affected
Basis for change(s)
Added monitoring requirements,
(Weekly, Grab, E)
Iron, TRC
9/30/92 WTP memo from
Coleen Sullins
Compliance Schedule: N/A
Special Condition(s): N/A
Permits & Engineering Comments:
Receiving Stream: UT to Mayo River WS-IV CA Index #: 22-30-(9.5) 8/3/92
(Mayo River Classification from a point 0.9 miles downstream from Avalon
Dam to Dam at Mayodan Water Supply Intake`)' Changed from WSn III on last permit.
W Is the facility still planning to connect to the W TP? /V b '04."S - b di � to,
Please specify a Downstream location to put on the effluent page (50 ft or 100ft?()
loo fX ULlpSvµi.� LVOi.�d'
Recommend renewal of NPDES permit with the above changes.
M
Prepared by:
Regional Office Evaluation and Recommendations:
O^ /
pa2

PERMIT NOTES MLC
NC0046302 Town of Mayodan WTP
7/15/96 Received application.
723 Wrote ack letter.
03-02-02 Streamline Package
Receiving Stream: UT to Mayo River WS-IV CA Index #: 22-30-(9.5) 8/3/92
(Mayo River Classification from a point 0.9 miles downstream from Avalon
Dam to Dam at Mayodan Water Supply Intake.)
Changed from WS III on last permit.
WLA Meg Kerr 10/1/84
CF Notes:
SR Ron Linville 5/30/91 Class 1 Lagoons are working well and there is
very little discharge.
Compliance Inspection: Ron Linville 1/11/93 No discharge; plant in
compliance. Ron mentions that the plant will be connecting to the W WTP m
the future.
Compliance data: OK
925 Drafting permit:
Added TRC and Iron monitoring requirements per WTP memo, 9/30/92, C. Sullins.
To Steve Pellei for review.
Public Notice 11/6/96 Issue 1223/96