NC0079561_Permit Issuance_19960628

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
Mayor Brenda Cook
Town of Elk Park
P.O. Box 248
Elk Park, North Carolina 28622
Dear Ms. Cook:
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June 28, 1996
Subject: NPDES Permit Issuance
Pemrit No. NCO079561
Elk Park WWTP
Avery County
In accordance with your application for discharge permit received on December 19, 1995, we are
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
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 fried 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 11, EA. addresses the requirements to be followed
in case of change in ownership or control of this discharge. The Division of Environmental Management 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 Environmental Management 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 wlephuue uulltbcr
[phone], extension 518.
cc:
Sin ely, I
i 4Aeston Howar6JrP.
Central Files
Asheville Regional Office / Water Quality Section
Roosevelt Childress, EPA
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. NCO079561
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT, HEALTH, AND NATURAL RESOURCES
DIVISION OF ENVIRONMENTAL MANAGEMENT
TO DISCHARGE WASTEWATER UNDER THE
In compliance with the provision of North Carolina General Statute 143-215.19
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 Elk Park
is hereby authorized to discharge wastewater from a facility located at
Town of Elk Park Waste Water Treatment Plant
off of NCSR 1305
north of Elk Park
Avery County
to receiving waters designated as Little Elk Creek in the Watauga 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 August - 1, 1996.
This permit and authorization to discharge shall expire at midnight on July 31, 2001.
Signed this day June 28,1996.
A. Presto owara, Jr., P.E., Director
Division of Environmental Manage
By Authority of the Environmental Management Commission

Permit No. N00079561
SUPPLEMENT TO PERMIT COVER SHEET
Town of Elk Park
is hereby authorized to:
1. Enter into a contract for construction of a wastewater treatment facility, and construct and
operate a 0.10 MGD wastewater treatment facility consisting of an inlet bar screen, two
aeration basins, three blowers, two clarifiers, a chlorine contact chamber with gaseous
chlorination and sulfur dioxide dechlorination, two digesters, and a diesel engine gelierawf
located at Town of Elk Park Wastewater Treatment Plant, off of NCSR 1305, north of Elk
Park, Avery County (See Part III of this permit), and
2. Discharge from said treatment works at the location specified on the attached map into
Little Elk Creek which is classified as Class C-Trout waters in the Watauga River Basin.

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ROAD CLASSIFICATION
PRIMARY HIGHWAY LIGHT -DUTY ROAD. HARD OR
HARDSURFACE IMPROVED SURFACE
SECONDARY HIGHWAY
HARD SURFACE C7001110=1 UNIMPROVED ROAD
Latitude: 36210'06" Longitude: 81 °58'30"
Map # C11 NW Sub -basin 04-02-01
Stream Class C-Trout
Discharge Class 01
Receiving Stream Little Elk Creek
Permit exp. 06/30/01 QW 0.10 MGD
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SCALE 1:24 000
1 1 MILE
1 7000 FEET
11 KILOMETER
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CONTOUR
QUAD LOCATION NCO079561
Elk Park WWTP
Avery County

A. (). EFFLUENT 1.1M ITATIONS AND MONITORING REQUIREMENI'S SUMMER (April 1 - October 31) Permit No. NC01079561 •
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:
Effluent Characteristics Discharge Limitations Monitoring Regulrements
Measurement
Sam121e *Sample
Monthly Avg. Weekly Avg. Daily Max Freauencv
TvRe Location
Flow 0.1 NICE Continuous
Recording I or E
BOD, 5 day, 2010C** 30.0 mg/l 45.0 mg/l Weekly
Composite E,
Total Suspended Residue" 30.0 m g / l 45.0 m g / I Weekly
Composite E, I
NH3 as N 4.2 m g/ 1 Weekly
Composite E
Dissolved Oxygen Weekly
Grab E, U, D
Fecal Coliform (geometric mean) 200.0 /100 ml 400.0 /100 ml Weekly
Grab E, U, D
Total Residual Chlorine*** 28.0 ug/l 2/Week
Grab E
Total Nitrogen (NO2 + NO3 + TKN) Semi-annually
Composite E
Total Phosphorus Semi-annually
Composite E
Conductivity Weekly
Grab E, U, D
Turbidity * * * * * * * * Weekly
Grab E, U, D
* Sample locations: E - Effluent, I - Influent, U - Upstream at least 100 feet, D - Downstream at least 300 feet.
** The monthly average effluent BOD5 and Total Suspended Residue concentrations shall not exceed 15% of the respective influent value
(85% removal).
*** Monitoring only required if chlorine disinfection is used. Either dechlorination or UV disinfection is required.
**** The discharge shall not cause the turbidity of the receiving waters to exceed 10.0 NTU. U the turbidity exceeds these levels due to
natural backgroundconditions, the discharge level cannot cause any increase in the turbidity in the receiving water.
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. (). EFRXEliT LIMITATIONS AND MONITORING REQUIREv1ENTS SUMMER (April 1 - October 31) Permit No. NC0079561
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. (Continued)
Effluent Characteristics Discharge Limitations Monitoring Requirements
Units (sReclUj Measurement Sample "Sample
Monthly Avg. WeeKW Avg. DailyMax Fre uencv Type Location
Temperature °C Daily Grab E
Temperature °C Weekly Grab U, D

A. (). l :FFLUENT LIMITATIONS AND MONITORING REQUIREMENTS WINTER (November 1 - March 31) Permit No. NCO079561
Dunn; the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from
outfal l(s) serial number 001. Such discharges shall be limited and monitored by the permittee as specified below:
Effluent Characteristics
Flow
BOD, 5 day, 200C**
Total Suspended Residue**
NH3 as N
Dissolved Oxygen
Fecal Coliform (geometric mean)
Total Residual Chlorine***
Total Nitrogen (NO2 + NO3 + TKN)
Total Phosphorus
Conductivity
Turbidity
Discharge
Urriltations
Monthly Avg.
Weekly Avg.
0.1 MW
30.0 mg/I
45.0 mg/I
30.0 mg/l
45.0 mg/I
11.0 mg/l
200.0 /100 ml
400.0 /100 mi
Monitoring
Requirements
Measurement
Sample
*Sample
gaily Max Freauencv_
TyRe
Location
Continuous
Recording
I or E
Weekly
Composite
E,
Weekly
Composite
E, I
Weekly
Composite
E
Weekly
Grab
E, U, D
Weekly
Grab
E, U, D
28.0 ug/l 2/Week
Grab
E
Semi-annually
Composite
E
Semi-annually
Composite
E
Weekly
Grab
E, U, D
Weekly
Grab
E, U, D
* Sample locations: E - Effluent, I - Influent, U - Upstream at least 100 feet, D - Downstream at least 300 feet.
** The monthly average effluent BOD5 and Total Suspended Residue concentrations shall not exceed 15% of the respective influent value
(85% removal).
*** Monitoring only required if chlorine disinfection is used. Either dechlorination or UV disinfection is required
**** The discharge shall not cause the turbidity of the receiving waters to exceed 10.0 NTU. H the turbidity exceeds these levels due to
natural background conditions, the discharge level cannot cause any increase in the turbidity in the receiving water.
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 1- March 31) Permit No. NCO079561
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. (Continued)
Effluent Characteristics Discharge Limitations Monitoring Requirements
Units (specify) Measurement Sample amRle,
Monthly Avg, Weekly Avg. Daily Max Frequency Type Location
Temperature 'C Daily Grab E
Temperature °C Weekly Grab U, D

9 Part III Permit No. NCO079561
E. Dechlorination or UV disinfection is required..