NC0003425_Permit (Issuance)_20180101

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AMR 13 � -
1987 1� •��:.;..•
State of North Carolina
nt of Natural Resources and Community Development
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor
S. Thomas Rhodes, Secretary
Mr. G. H. Warriner
Carolina Power & Light Company
Route 1, Box 327
New Hill, NC 27562
Dear Mr. Warriner:
March 13, 1987 R. Paul Wilms
CERTIFIED MAIL Director
RETURN RECEIPT REQUESTED
Subject: Permit No. NCO003425
Roxboro Plant
Person County
In accordance with your application for discharge permit received on
January 7, 1985, 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 may request a waiver
or modification pursuant to Regulation 15 NCAC 2B .0508(b) by written
request to the Director identifying the specific issues to be contended.
Unless such request is made within 30 days following receipt of this permit,
this permit shall be final and binding. Should your request be denied, you
will have the right to request an adjudicatory hearing.
Please take notice that this permit is not transferable. Part II, B.2.
addresses the requirements to be followed in case of change in ownership or
control of this discharge.
This permit does not affect the legal requirement 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 Mr.
Dale Overcash, at telephone number 919/733-5083.
Sinc rely,
W�
R. Paul Wilms
cc: Mr. Jim Patrick, EPA
Raleigh Regional Supervisor
Pollution Nn"tion Pays
P.Q. Box 27687 Raleigh, North Carolina 27611-7697 Tekphone 919-733-7015
An Equal Opportunity AEfir nadw Action Empbyer

Permit No. NCO003425
STATE OF NORTH CAROLINA
DEPARTMENT OF NATURAL RESOURCES & COMMUNITY DEVELOPMENT
DIVISION OF ENVIRONMENTAL MANAGEMENT
P E R M I T
To Discharge Wastewater Under the NATIONAL
POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provisions 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,
CAROLINA POWER AND LIGHT COMPANY
is hereby authorized to discharge wastewater from a facility located at
Roxboro Steam Electric Generating Plant
Person County
to receiving waters designated as Hyco Lake in the Roanoke River Basin
in accordance with effluent limitations, monitoring requirements, and other conditions
set forth in Part I, II, and III hereof.
This permit shall become effective March 13, 1987
This permit and the authorization to discharge shall expire at midnight on
July 31, 1991.
Signed this day of March 13, 1987
A Z
R. PAUL WILMS, DIRECTOR
DIVISION OF ENVIRONMENT MANAGEMENT
BY AUTHORITY OF THE ENVIRONMENTAL
MANAGEMENT COMMISSION
M1 & 11

I
Ormit No. NCO003425
SUPPLEMENT TO PERMIT COVER SHEET
Carolina Power and Light Company
is hereby authorized to:
1. Enter into a contract for construction of any additional
wastewater treatment facilities necessary to comply with
the final effluent limitations contained in this permit,
and
2. After receiving an Authorization to Construct from the
Division of Environmental Management, construct and
operate additional wastewater treatment facilities
necessary to comply with the final effluent limitations
contained in this permit, and -continue to operate and
maintain the existing wastewater treatment facility
located at the Roxboro Steam Electric Generating Plant
(See Part III of this permit), and
3. Discharge from said treatment works into Hyco Lake which
is classified Class "C" waters in the Roanoke River
Basin.

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Part I
Permit No. NC
R. SCHEDULE OF COMPLIANCE
1. The permittee shall achieve compliance with the effluent
limitations specified for discharges in accordance with the
folllowing schedule:
2. No later than 14 calendar days following a date identified in
the above schedule of compliance, the permittee shall submit
either a report of progress or, in the case of specific actions
being required by identified dates, a written notice of
compliance or noncompliance. In the latter case, the notice
shall include the cause of noncompliance, any remedial actions
taken, and the probability of meeting the next scheduled
requirement.
24

Permit No. INIC101,01 I 1 1
C. MONITORING AND REPORTING
1. Representative Sampling
Samples collected and measurements taken
shall be characteristic of the volume
permitted discharge. Samples collected
than daily shall be taken on a day
characteristic of the discharge over the
the sample represents.
2. Reporting
as required herein
and nature of the
at a frequency less
and time that is
entire period which
Monitoring results obtained during the previous month(s)
shall be summarized for each month and reported on a monthly
Discharge Monitoring Report (DMR) Form (DEM No. MR 1, 1.1,
2, 3,) or alternative forms approved by the Director, DEM,
postmarked no later than the 30th day following the
completed reporting period.
The first DMR is due on the last day of the month following
the issuance of the permit or in the case of a new facility,
on the last day of the month following the commencement of
discharge. Duplicate signed copies of these, and all other
reports required herein, shall be submitted to the following
address:
Division of Environmental Management
Water Quality Section
ATTN: Central Files
Post Office Box 27687
Raleigh, NC 27611
3. Definitions
a. Act or "the Act": The Federal Water Pollution Control
Act, also know as the Clean Water Act, as amended, 33 U.S.C.
1251, et. seq.
b. The "daily average" discharge means the total discharge
by weight during a calendar month divided by the number of
days in the month that the production or commercial facility
was operating. Where less than daily sampling is required by
this permit, the daily average discharge shall be determined
by the summation of all the measured daily discharges by
weight divided by the number of days sampled during the
calendar month when the measurements were made.
c. The "daily maximum" discharge means the total discharge
by weight during any calendar day.
15

Permit No. ;N;C110101 I I I I
d. DEM or Division: means the Division of Environmental
Management, Department of Natural Resources and Community
Development.
e. EMC: used herein means the North Carolina Environmental
Management Commission.
f. Flow, M3/day (MGD): The flow limit expressed in this
Permit is the 24 hour average flow, averaged monthly. It is
determined as the arithmetic mean of the total daily flows
recorded during the calendar month.
g. Arithmetic Mean: The arithmetic mean of any set of
values is the summation of the individual values divided by
the number of individual values.
h. Geometric Mean: The geometric mean of any set of values
is the Nth root of the product of the individual values
where N is equal to the number of individual values. The
geometric mean is equivalent to the antilog of the
arithmetic mean of the logarithms of the individual values.
For purposes of calculating the geometric mean, values of
zero (0) shall be considered to be one (1).
i. Composite Sample: These samples consist of grab samples
collected at equal intervals and combined proportional to
flow, a sample continuously collected proportionally to
flow, or equal volumes taken at varying time intervals. If a
composite sample is obtained from grab samples, the
following requirements apply. The intervals between influent
grab samples shall be no greater than hourly. Intervals
between effluent grab samples shall be no greater than
hourly except where the detention time of the wastewater in
the facility is greater than 24 hours, in which case, the
interval between grab samples shall be no greater in number
of hours than the detention time in number of days;
provided, however, in no case may the time between effluent
grab samples be greater than six hours nor the number of
grab samples less than four during any discharge period of
24 hours or less.
]. Grab Sample: Grab samples are individual samples
collected over a period of time not exceeding 15 minutes;
the grab sample can be taken manually.
k. Multiple Grab Sample: A multiple grab sample shall be a minimum of
three individual grab samples collected in a single sampling period.
1 6

Permit No. IN11C10101 I 1 ; 1
4. Test Procedures
Test procedures for the analysis of pollutants shall conform
to the EMC regulations published pursuant to N.C.G.S.
143-215.63 et seq, the Water and Air Quality Reporting Act
and to regulations published pursuant to Section 304(g), 35
USC 1314, of the Federal Water Pollution Control Act, As
Amended, and Regulation 40 CFR 136.
5. Recording Results
For each measurement or sample taken pursuant to the
requirements of this permit, the permittee shall record the
following information:
a. The exact place, date, and time of sampling;
b. The dates the analyses were performed; and
c. The person(s) who performed the analyses.
6. Additional Monitoring by Permittee
If the permittee monitors any pollutant at the location(s)
designated herein more frequently than required by this
permit, using approved analytical methods as specified
above, the results of such monitoring shall be included in
the calculation and reporting of the values is required in
the DMR. Such increased frequency shall also be indicated.
The DEM may require more frequent monitoring or the
monitoring of other pollutants not required in this permit
by written notification.
7. Records Retention
All records and information resulting from the monitoring
activities required by this Permit including all records of
analyses performed and calibration and maintenance of
instrumentation and recordings from continuous monitoring
instrumentation shall be retained for a minimum of three (3)
years. This period of retention shall be extended during the
course of any unresolved litigation or if requested by the
Division of Environmental Management or the Regional
Administrator of the Environmental Protection Agency.
1 7

Permit No. iNiCi0i0i i i i i
PART II GENERAL CONDITIONS
A. MANAGEMENT REQUIREMENTS
1. Change in Discharge
All discharges authorized herein shall be consistent with
the terms and conditions of this permit. The discharge of
any pollutant identified in this permit more frequently than
or at a level in excess of that authorized shall constitute
a violation of the permit. Any anticipated facility
expansions, production increases, or process modifications
which will result in new, different, or increased discharges
of pollutants must be reported by submission of a new NPDES
application or, if such changes will not violate the
effluent limitations specified in this permit, by notice to
the DEM of such changes. Following such notice, the permit
may be modified to specify and limit any pollutants not
previously limited.
2. Noncompliance Notification
The permittee shall report by telephone to either the
central office or appropriate regional office of the
division as soon as possible but in no case more than 24
hours or on the next working day following the occurrence or
first knowledge of the occurrence of any of the following:
a. Any occurrence at the water pollution control
facility which results in the discharge of significant
amounts of wastes which are abnormal in quantity or
characteristic, such as the dumping of the contents of a
sludge digester, the known passage of a slug of
hazardous substance through the facility or any other
unusual circumstances.
b. Any process unit failure, due to known or unknown
reasons, that render the facility incapable of adequate
wastewater treatment, such as mechanical or electrical
failures of pumps, aerators, compressors, etc.
c. Any failure of a pumping station, sewer line, or
treatment facility resulting in a by-pass directly to
receiving waters without treatment of all or any portion
of the influent to such station or facility.
d. Any time that self -monitoring information indicates
that the facility has gone out of compliance with its
NPDES permit limitations.
1 8

�l
Permit No. INICI0I01 I 1
Persons reporting such
file a written report
following first knowledge
3. Facilities operation
occurrences by telephone shall also
in letter form within 15 days
of the occurrence.
The permittee shall at all times maintain in good working
order and operate as efficiently as possible all treatment
or control facilities or systems installed or used by the
permittee to achieve compliance with the terms and
conditions of this permit.
4. Adverse Impact
The permittee shall take all reasonable steps to minimize
any adverse impact to navigable waters resulting from
noncompliance with any effluent limitations specified in
this permit, including such accelerated or additional
monitoring as necessary to determine the nature and impact
of the noncomplying discharge.
5. Bypassing
Any diversion from or bypass of facilities is prohibited,
except M where unavoidable to prevent loss of life or
severe property damage, or (ii) where excessive storm
drainage or runoff would damage any facilities necessary for
compliance with the effluent limitations and prohibitions of
this permit. All permittees who have such sewer bypasses or
overflows of this discharge shall submit, not later than six
months from the date of issuance of this permit, detailed
data or engineering estimates which identify:
a. The location of each sewer system bypass or overflow;
b. The frequency, duratidn and quantity of flow from
each sewer system bypass or overflow.
The permittee shall report by telephone to either the
central office or appropriate regional office of the
division as soon as possible but in no case more than 24
hours or on the next working day following the occurrence or
first knowledge of the occurrence of any diversion from or
bypass of facilities.
1 9

Permit No. INIC;010!
6. Removed Substances
Solids, sludges, filter backwash,
removed in the course of treatment or
shall be disposed of in accordance
in a manner such as to prevent
materials from entering waters of
waters of the United States.
7. Power Failures
or other pollutants
control of wastewaters
with NCGS 143-215.1 and
any pollutant from such
the State or navigable
The permittee is responsible for maintaining adequate
safeguards to prevent the discharge of untreated or
inadequately treated wastes during electrical power failures
either by means of alternate power sources, standby
generators or retention of inadequately treated effluent.
8. Onshore or Offshore Construction
This permit does not authorize or approve the construction
of any onshore or offshore physical structures or facilities
or the undertaking of any work in any navigable waters.
B. RESPONSIBILITIES
1. Right of Entry
The permittee shall allow the Director of the Division of
Environmental Management, the Regional Administrator, and/or
their authorized representatives, upon the presentations of
credentials:
a. To enter upon the permittee's premises where an
effluent source is located or in which any records are
required to be kept under the terms and conditions of
this permit; and
b. At reasonable times to have access to and copy any
records required to be kept under the terms and
conditions of this permit; to inspect any monitoring
equipment or monitoring method required in this permit;
and to sample any discharge of pollutants.
1 10

Permit No. INICIO_10_1__l 1 j
2. Transfer of Ownership or Control
This permit is not transferable. In the event of any
changein control or ownership of facilities from which the
authorized discharge emanates or is contemplated, the
permittee shall notify the prospective owner or controller
by letter of the existence of this permit and of the need to
obtain a permit in the name of the prospective owner. A copy
of the letter shall be forwarded to the Division of
Environmental Management.
3. Availability of Reports
Except for data determined to be confidential under NCGS
143-215.3(a) (2) or Section 308 of the Federal Act, 33 USC
1318, all reports prepared in accordance with the terms
shall be available for public inspection at the offices of
the Division of Environmental Management. As required by the
Act, effluent data shall not be considered confidential.
Knowingly making any false statement on any such report may
result in the imposition of criminal penalties as provided
for in NCGS 143-215.1(b) (2) or in Section 309 of the
Federal Act.
4. Permit Modification
After notice and opportunity for a hearing pursuant to NCGS
143-215.1(b) (2) and NCGS 143-215.1(e) respectively, this
permit may be modified, suspended, or revoked in whole or in
part during its term for cause including, but not limited
to, the following:
a. Violation of any terms or conditions of this permit;
b. Obtaining this permit by misrepresentation or failure
to disclose fully all relevant facts; or
c. A change in any condition that requires either a
temporary or permanent reduction or elimination of the
authorized discharge.
1 11

Permit No. iNiCi0i0
5. Toxic Pollutants
Notwithstanding Part I1, B-4 above, if a toxic effluent
standard or prohibition (including any schedule of
compliance specified in such effluent standard or
prohibition) is established under Section 307(a) of the Act
for a toxic pollutant which is present in the discharge, if
such standard or prohibition is more stringent than any
limitation for such pollutant in this permit, this permit
shall be revised or modified in accordance with the toxic
effluent standard prohibition and the permittee so notified.
S. Civil and Criminal Liability
Except as provided in permit conditions on "Bypassing" (Part
II, A-5) and "Power Failures" (Part II, A-7), nothing in
this permit shall be construed to relieve the permittee from
any responsibilities, liabilities, or penalties for
noncompliance pursuant to NCGS 143-215.3, 143-215.6 or
Section 309 of the Federal Act, 33 USC 1319. Furthermore,
the permittee is responsible for consequential damages, such
as fish kil1S, even though the responsibility for effective
compliance may be temporarily suspended.
7. oil and Hazardous Substance Liability
Nothing in this permit shall be construed to preclude the
institution of any legal action or relieve the permittee
from any responsibilities, liabilities, or penalties to
which the permittee is or may be subject to under NCGS
143-215.75 et seq. or Section 311 of the Federal Act, 33 USC
1321. Furthermore, the permittee is responsible for
consequential damages, such as fish kills, even though the
responsibility for effective compliance may be temporarily
suspended.
8. Property Rights
The issuance of this permit does not convey any property
rights in either real or personal property, or any exclusive
privileges, nor does it authorize any injury to private
property or any invasion of personal rights, nor any
infringement of Federal, State or local laws or regulations.
112

Permit No. iNiCi0_[0[
9. Severability
The provisions of this permit are severable, and if any
provision of this permit to any circumstance is held
invalid, the application of such provision to other
circumstances, and the remainder of this permit shall not be
affected thereby.
10. Expiration of Permit
Permittee is not authorized to discharge after the
expiration date. In order to receive authorization to
discharge beyond the expiration date, the permittee shall
submit such information, forms, and fees as are required by
the agency authorized to issue permits no later than 180
days prior to the expiration date. Any discharge without a
permit after the expiration will subject the permittee to
enforcement procedures as provided in NCGS 143-215.6, and 33
USC 1251 et seq.
I 13
r

Permit No. 1NIC1010
PART III OTHER REQUIREMENTS
A. Previous Permits
All previous State water quality permits issued to this
facility, whether for construction or operation or discharge,
are hereby revoked by issuance of this permit. The conditions,
requirements, terms, and provisions of this permit authorizing
discharge under the National Pollutant Discharge Elimination
System govern discharges from this facility.
B. Construction
No construction of wastewater treatment facilities or additions
thereto shall be begun until Final Plans and Specifications have
been submitted to the Division of Environmental Management and
written approval and Authorization to Construct has been issued.
C. Certified Operator
Pursuant to Chapter 90A of North Carolina General Statutes, the
permittee shall employ a certified wastewater treatment plant
operator in responsible charge of the wastewater treatment
facilities. Such operator must hold a certification of the grade
equivalent to or greater than the classification assigned to the
wastewater treatment facilities.
D. Groundwater Monitoring
The permittee shall, upon written notice from the Director of
the Division of Environmental Management, conduct groundwater
monitoring as may be required to determine the compliance of
this NPDES permitted facility with the current groundwater
standards.
E. Limitations Reopener
This permit shall be modified or alternatively, revoked and
reissued, to comply with any applicable effluent guideline or
water quality standard issued or approved under Sections
302 (b) (2) (c) , and (d) , 304(b)(2), and 307 (a) (2) of the Clean
Water Act, if the effluent guideline or water quality standard
so issued or approved:
1. contains different conditions or is otherwise more
stringent than any effluent limitation in the permit; or
2. controls any pollutant not limited in the permit.
1 14

Part III Continued
Permit No. KC0003425
F. In the event that waste streams from various sources are combined
for treatment or discharge, the quantity of each pollutant or
pollutant property attributable to each controlled Waste source
shall not exceed the specified limitation for that waste source.
G. There shall be no discharge of polychlorinated byphenyl compounds
such as those commonly used for transformer fluid.
H. The permittee shall not use any biocides except these approved in
conjunction with the permit application. The permittee shall
notify the Director in writing not later than ninety (90) days
prior to instituting use of any additional biocide used in cooling
systems which may be toxic to aquatic life other than those
previously reported to the Division of Environmental Management.
Such notification shall include completion of Biocide Worksheet
Form 101 and a map locating the discharge point and receiving
stream.
I. Continued intake screen backwash discharge is permitted without
limitations or monitoring requirements.
J. Nothing contained in this permit shall be construed as a waiver by
the permittee or any right to a hearing it may have pursuant to
State or Federal Laws or regulations.
K. The term "low volume waste sources" means the waste is taken
collectively as if from one source except those for which specific
limitations are otherwise established in this part. Low volume
wastes sources include but are not limited to: wastewaters from
vet scrubber air pollution control systems, ion exchange water
treatment system, water treatment evaporator blovdown, laboratory
and sampling streams, boiler blovdown, floor drains, cooling tower
basin cleaning wastes, and recirculating house service water
Systems. Sanitary and air conditioning wastes are not included.
L. The term "metal cleaning waste" means any wastewater resulting from
cleaning (with or without chemical cleaning compounds) any metal
process equipment including, but not limited to, boiler tube
cleaning, boiler fireside cleaning, and air preheater cleaning.
M. "The permittee shall develop and implement a Best Management
Practices (BMP) Plan to identify and control the discharge of oils
and the hazardous and toxic substances listed in 40 CPR, Part 117
and Tables II and III of Appendix D to 40 CFR, Part 122. The Plan
shall include a listing of all potential sources of spills or leaks
of these materials, a method for containment, a description of
training, inspection and security procedures, and emergency
response measures to be taken in the event of a discharge to the
surface waters. Sources of such discharges may include, but are
not limited to, materials storage area, in —plant transfer, process
and material handling areas, loading and unloading operations,
plant site runoff, and sludge and waste disposal areas. The BMP
Plan shall be developed in accordance with good engineering
practices, shall be documented in narrative form, and shall include
any necessary plot plans, drawings, or maps. The BMP Plan shall be

Part III Continued
Permit No. NC0003425
developed no later than one year after issuance of the final permit
(or modification). The BMP Plan shall be maintained at the plant
site and shall be available for inspection by EPA and DEM
personnel."
N. 1. Water quality standards for temperature will not apply within a
mixing zone which shall include the North Hyco arm downstream
of NC Highway 57, the main body of Hyco Lake downstream of the
confluence of the Cobbs Creek Arm and the North Hyco Arm, and
the entire afterbay lake. The area described does not include
the South Hyco Arm or the first three finger arms on the west
side of the lake lying upstream of the dam.
2. All water discharged from the afterbay to Hyco River shall comply
with all applicable standards including temperature standards.
3. Waters within the main lake and the afterbay lake to Hyco River
shall comply with water quality standards except the temperature
standards in the areas of the lake defined herein as a mixing
zone.
4. Temperature measurements made to monitor compliance with this
provision shall be made at least six inches but not more than
one foot below the surface of the lake. A monthly average
temperature shall consist of at least five determinations
conducted on five separate days representative.
5. Temperature increases shall be determined as the increase in
temperature above that temperatuue measured at th confluence of
two southern finger arms on the north side of the lake (NC Grid
coordinates North 1,005,000, East 1,981,000).
0. Biological Monitoring
In accordance with the previously submitted biological monitoring
program (as approved by the Director of the Division of
Environmental Management and as it may be amended), the permittee
shall submit results of biological studies and monitoring programs
in a manner and under schedule to be approved by the Director of
the Division of Environmental Management.
P. 1. The permittee shall conduct effluent sampling for outfall serial
number 002, vest ash pond, as required in I —A (2) except that
selenium and pH shall be sampled according to the following
schedule:
a. While the permitteets ash pond expansion project is under
active construction such that access to the sampling point
is limited, sampling will be once per week.
b. Due to the remote and potentially hazardous location of the
effluent sampling point, sampling for the vest ash pond will
not be required on days where weather or other unavoidable
conditions present a reasonable safety concern.

Part III Continued
Permit No. NCO003425
Q. Toxicity-Reopener
This permit shall be modified, or revoked and reissued to incorporate
toxicity limitations and monitoring requirements in the event
toxicity testing or other studies conducted on the effluent or
receiving stream indicate that detrimental effects may be expected in
the receiving stream as a result of this discharge.