NC0004987_Issuance of Permit_20040109

Michael F. Easley, Governor
State of North Carolina
William G. Ross, Jr., Secretary
Department of Environment and Natural Resources
Alan W. Klimek, P.E., Director
Division of Water,Quality
January 9, 2004
Mr. Michael A. Ruhe, Manager
Environmental Support
Duke Energy Corporation
EC11E/526 South Church Street
Charlotte, North Carolina 28202-1802
Subject: NPDES Permit Issuance
Permit No. NC0004987
Marshall Steam Station
Catawba County
Dear Mr. Ruhe:
Division personnel have reviewed and approved your application for modification of
the subject permit. Accordingly, we are forwarding the attached modified NPDES discharge
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 May 9, 1994 (or as subsequently amended).
below.
Responses to your November 24, 2003 comments on the draft permit are summarized
• Page numbers have been included.
• The effluent limitations and monitoring requirements for outfall 004 have been
moved to follow those for outfall 003.
• The notes for outfall 004 have been modified to include a condition requiring
submittal of DMRs for said outfall only after the FGD system begins operation.
• The word "internal" has been deleted from Part I, condition 2 pertaining to outfall
002.
• The spelling error in Part I, condition 7 has been corrected.
• Part I, condition 11 has been modified to include language that waives the
requirement to receive Division approval prior to use of a new biocide in an outfall
containing whole effluent toxicity testing.
• The reference to Buck Steam Station in Part I, condition 13 has been changed to
Marshall Steam Station.
• The word "minimum" in Part I, condition 16, number 7, has been changed to
"maximum".
As for comments regarding the boiler plate language, typographical errors will be
corrected as they are identified. Boiler plate language, by definition, is standard language
approved by US EPA and included in all NPDES discharge permits. The permittee should
ignore those portions not applicable.
Regarding monitoring frequencies and locations for internal outfall 004 from the FGD
wastewater treatment system, thorough characterization of the wastewater entering the ash
1617 MAIL SERVICE CENTER, RALEIGH, NORTH CAROLINA 27699-1617 - TELEPHONE [phone]/FAX [phone]
VISIT US ON THE WEB AT http://h2o.enr.state.nc.us/NPDES

Mr. Ruhe
Marshall Steam Station - NC0004987
Page 2
settling basin is an absolute necessity to ensure protection of water quality. Furthermore, a
characterization of the performance of the FGD wastewater treatment system is also
imperative. However, recognizing the costs associated with the analytical monitoring
prescribed in the draft permit, wetland influent monitoring has been eliminated in lieu of
process monitoring to be conducted by Duke. Regarding the monitoring frequencies of those
parameters of concern discharging from outfall 004 and perhaps 002, the Division strongly
feels that weekly monitoring is appropriate given the potentially toxic nature of the discharge
and the innovative nature of the treatment system. As such, weekly monitoring will be
required for the remainder of the current permit (April 30, 2005). Monitoring frequencies will
be re-evaluated upon permit renewal.
Compliance with all terms and conditions of the attached permit is the responsibility
of the Permittee. Please note that T15A 08G .0204 of the North Carolina Administrative Code
has been interpreted to mean that the Operator in Responsible Charge is responsible for
operation of water pollution control systems.
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 (6714 Mail Service Center,
Raleigh, North Carolina 27699-6714). Unless such demand is made, this permit shall be final
and binding.
Please take notice that this permit is not transferable. 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 which may be required.
If you have any questions or need additional information, please do not hesitate to
contact Mark McIntire of my staff at [phone], extension 508.
Sincerely,
�a� 9 8%ned By
Alan W. Klimek, P.E.
cc: Central Files
NPDES Unit Files
Mooresville Regional Office
Aquatic Toxicology Unit
EPA Region 4

PERAUT NO. NC0004987
c
STATE OF NORTH 'CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
PERMIT
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,
Duke Energy Corporation
is hereby authorized to discharge wastewater from a facility located at
Marshall Steam Station
At the intersection of NC Highway 150 and NCSR 1841
Terrell
Catawba County
to receiving waters designated as the Catawba River (Lake Norman) in the Catawba
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 February 1, 2004.
This permit and authorization to discharge shall expire at midnight on April 30, 2005.
Signed this day January 9, 2004.
ccdelfl, Red By
Alan W. Klimek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Page l of 13

5 ",*
PERNUT NO. NC0004987
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge are
hereby revoked, and as of this issuance, any previously issued permit bearing this number is
no longer effective. Therefore, the exclusive authority to operate and discharge from this facility
arises under the permit conditions, requirements, terms, and provisions included herein.
Duke Energy Corporation
is hereby authorized to:
Continue to discharge once -through cooling water and intake screen backwash
through outfall 001; treated wastewater (consisting of metal cleaning wastes,
coal pile runoff, ash transport water, domestic wastewater, low volume wastes,
and FGD wet scrubber wastewater) from the ash settling basin through outfall
002; treated FGD wet scrubber wastewater through internal outfall 004
(upstream of the ash settling basin); yard sump overflows through outfalls 002A
and 002B; and non -contact cooling water from the induced draft fan control
house through outfall 003. All discharges result from activities at Duke Energy's
Marshall Steam Station at the intersection of NC Highway 150 and NCSR 1841
in Terrell, Catawba County;
2. After receiving an Authorization to Construct from the Division of Water Quality,
construct and operate a FGD wet scrubber wastewater treatment system
discharging to the ash settling basin through internal outfall 004; and
3. Discharge from said treatment works at the locations specified on the attached
map into the Catawba River (Lake Norman) which is classified WS -IV and B CA
waters in the Catawba River Basin.
Pale 2 of 13

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PART I
SECTION A. FINAL LIMITATIONS AND CONTROLS
1. Effluent Limitations and Monitoring Requirements (Outfall 001)
During the period beginning on the effective date of this permit and lasting until expiration, the
Permittee is authorized to discharge from Outfall 001 (once -through cooling water). Such
discharges shall be limited and monitored by the Permittee as specified below:
NOTES:
1 Once -through cooling water shall not be chlorinated. Should the facility wish to chlorinate once -
through cooling water, a permit modification must be issued prior to commencement of chlorination.
The monitoring requirement and effluent limitations only apply if chlorination is commenced.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
The Regional Administrator has determined pursuant to Section 316(a) of the Act that the thermal
component of the discharge assures the protection and propagation of a balanced. indigenous population
of shellfish and wildlife in and on the receiving body of water. Water quality temperature standards must
be maintained outside the approved 316(a) mixing zone.
Page 4 of 13
DISCHARGE LIMITATIONS
MONITORING REQUIREMENTS
EFFLUENT
MonthlyDaily
Measurement
Sample
Sample
CHARACTERISTICS
Average I
Maximum
Frequency
Tye
Location
Pump logs or
Flow (NIGD)
Monitor & Report
Daily
similar
Effluent
readings
Temperature
33.3 °C
Daily
Grab
Effluent
(November 1 - June 30
Temperature
34.4 °C
Daily
Grab
Effluent
ul 1 - October 31
Free Available Chlorinel
0.2 mg/L
0.5 mg/L
Daily
Grab
Effluent
NOTES:
1 Once -through cooling water shall not be chlorinated. Should the facility wish to chlorinate once -
through cooling water, a permit modification must be issued prior to commencement of chlorination.
The monitoring requirement and effluent limitations only apply if chlorination is commenced.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
The Regional Administrator has determined pursuant to Section 316(a) of the Act that the thermal
component of the discharge assures the protection and propagation of a balanced. indigenous population
of shellfish and wildlife in and on the receiving body of water. Water quality temperature standards must
be maintained outside the approved 316(a) mixing zone.
Page 4 of 13

PART I
2. Effluent Limitations and Monitoring Requirements (Outfall 002)
During the period beginning on the effective date of this permit and lasting until expiration, the
Permittee is authorized to discharge from Outfall 002 (ash settling basin discharge). Such
discharges shall be limited and monitored by the Permittee as specified below:
EFFLUENT
CHARACTERISTICS
DISCHARGE LIMITATIONS
MONITORING REQUIREMENTS
Monthly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location'
Flow (NIGD)
Monthly
Pump logs or
similar
readings
Effluent
Oil and Grease
9.0 mg/L
12.0 mg/L
Monthly
Grab
Effluent
Total Suspended Solidsz
20.0 mg/L
65.0 mg/L
Monthly
Grab
Effluent
Total Arsenic3
Weekly
Grab
Effluent
Total Cadmium;
Weekly
Grab
Effluent
Total Chromium+
Weekly
Grab
Effluent
Chloride{
Weekly
Grab
Effluent
Total Copper
1.0 mg/L
1.0 mg/L
See note 5
Grab
Effluent
Total Iron
1.0 mg/L
1.0 mg/L
See note 5
Grab
Effluent
Total Dlercuty{
Weekly
Grab
Effluent
Total Nickel+
Weekly
Grab
Effluent
Total Selenium3
Weekly
Grab
Effluent
Total Silver+
Weekly
Grab
Effluent
Total Zinc;
Weekly
Grab
Effluent
Total Nitrogen
'Monthly onthly
Grab
Effluent
Total Phosphorus
Monthly
Grab
Effluent
Chronic Tonicity
See Part I, Section A, #14
Quarterly
Grab
Effluent
pH
Between 6.0 and 9.0 Standard
Units
Monthly
Grab
Effluent
Pollutant Analysis
See Part I, Section A, #20
Grab
Effluent
NOTES:
1 Effluent sampling shall be conducted at the discharge from the ash settling basin prior to mixing with
any other waste stream(s).
2 A total suspended solids monthly average of 40 mg/L is permitted provided the Permittee can
demonstrate that the difference between the monthly average of 20 mg/L and 40 mg/L is the result of
the concentration of total suspended solids in the intake water.
3 Monitoring for arsenic & selenium shall be conducted weekly when outfall 004 is discharging. When
004 is not discharging, monitoring shall revert to quarterly.
4 Monitoring is required only when outfall 004 is discharging.
5 Monitoring shall be per occurrence of chemical metal cleaning and samples shall be from a
representative discharge.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Page 5 of 13
It

PART I
3. Effluent Limitations and Monitoring Requirements (Outfall 002A)
During the period beginning on the effective date of this permit and lasting until expiration, the
Permittee is authorized to discharge from Outfall 002A (yard sump #1 overflows). Such
discharges shall be limited and monitored by the Permittee as specified below:
EFFLUENT
CHARACTERISTICS
DISCHARGE LIMITATIONS
MONITORING REQUIREMENTS
Monthly
Average
Daily
Maximum
Measurement Sample
Frequency Type
Sample
Location'
Flow (NIGD)
Episodic Estimate
Effluent
PH
Episodic Grab
Effluent
Total Suspended Solids
Episodic Grab
Effluent
Total Iron _
See note 2 Grab
Effluent
NOTES:
1 Effluent samples shall be collected at a point upstream of the discharge to the Catawba River.
2 Sampling, for iron is required when TSS is reported as greater than 100 mg/L.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
All flows shall be reported on monthly DMRs. Should no flow occur during a given month, the words "No
Flow" shall be clearly written on the front of the DMR. Episodic sampling is required per sump overflow
occurrence lasting longer than one hour. All samples shall be of a representative discharge.
Pale 6 of 13

PART I
4. Effluent Limitations and Monitoring Requirements (Outfall 002B)
N
During the period beginning on the effective date of this permit and lasting until expiration, the
Permittee is authorized to discharge from Outfall 002B (yard sump #2 overflows). Such
discharges shall be limited and monitored by the Permittee as specified below:
EFFLUENT
CHARACTERISTICS
DISCHARGE
LIMITATIONS
MONITORING REQUIREMENTS
Monthly
Average'
Daily
Maximum
Measurement
Frequency
Sample Sample
Type Location'
Flow (MGD)
Episodic
Estimate Effluent
pH
Episodic
Grab Effluent
Total Suspended Solids
Episodic
Grab Effluent
Total Iron
See note 2
Grab Effluent
NOTES'
1 Effluent samples shall be collected at a point upstream of the discharge to the Catawba River.
2 Sampling for iron is required when TSS is reported as greater than 100 mg/L.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
All flows shall be reported on monthly DMRs. Should no flow occur during a given month, the words "No
Flow" shall be clearly written on the front of the DMR Episodic sampling is required per sump overflow
occurrence lasting longer than one hour. All samples shall be of a representative discharge.
Page 7 of 13

PART I
5. Effluent Limitations and Monitoring Requirements (Outfall 003)
During the period beginning on the effective date of this permit and lasting until expiration, the
Permittee is authorized to discharge from Outfall 003 (non -contact cooling water from the
induced draft fan control house). Such discharges shall be limited and monitored by the
Permittee as specified below:
EFFLUENT
CHARACTERISTICS
DISCHARGE LIMITATIONS
MONITORING REQUIREMENTS
Monthly
Average'
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location
Flow (i fGD)
Temperature'
Total Residual Chlorine' -
Free Available Chlorine'-
0.2 mg/L
0.5 mg/L
PH
Between 6.0 and 9.0 Standard
Units
NOTES:
1 The temperature of the effluent shall be such as not to cause an increase in the temperature of the
receiving stream of more than 2.8oC and in no case cause the ambient water temperature to exceed
29oC.
2 Monitoring requirements apply only if chlorine is added to the cooling water. Neither free available
chlorine nor total residual chlorine may be discharged from any unit for more than two hours in any
one day and not more than one unit in any plant may discharge free available chlorine or total
residual chlorine at any one time.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Limitations shall be met at the discharge effluent. Monitoring frequencies are not specified as the
discharge is to the intake canal for outfall 001.
Page 8 of 13

PART I
6. Effluent Limitations and Monitoring Requirements (Outfall 004)
During the period beginning on the effective date of this permit and lasting until expiration, the
Permittee is authorized to discharge from- Internal Outfall 004 (treated FGD wet scrubber
wastewater to ash settling basin). Such discharges shall be limited and monitored by the
Permittee as specified below:
EFFLUENT
CHARACTERISTICS
DISCHARGE LIMITATIONS
MONITORING REQUIREMENTS
Monthly
Average 7
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Locations
Flow (MGD)
Monitor & Report
Monthly
Pump logs or
similar
readings
E
Total Suspended Solids
Monitor & Report
Meekly
Grab
E
Total Arsenic
Monitor & Report
Weekly
Grab
E
Total Cadmium
Monitor & Report
Weekly
Grab
E
Total Chromium
Monitor & Report
Weekly
Grab
E
Chloride
monitor & Report
Weekly
Grab
E
Total Mercury
Monitor & Report
Weekly
Grab
E
Total Nickel
Monitor & Report
Weekly
Grab
E
Total Selenium
Monitor & Report
Weekly
Grab
E
Total'Silver
Monitor & Report
Weekly
Grab
E
Total Zinc
Monitor & Report
Weekly
Grab
E
NOTES:
1 Sample Location: E - Effluent from the constructed wetland prior to discharge to the ash settling
basin.
All flows shall be reported on monthly DMRs. Should no flow occur during a given month, the words "No
Flow" shall be clearly written on the front of the DMR. All samples shall be of a representative discharge.
DMRs for this outfall shall be submitted only after discharge commences from the FGD system.
Page 9 of 13

PART I
7. DEFINITIONS
The term "low volume waste sources" means„ taken collectively as if from one source, wastewater from all
sources except those for which specific limitations are otherwise established in this part. Low volume
wastes sources include, but are not limited to: Wastewater from wet scrubber air pollution control
systems, ion exchange water treatment system, water treatment evaporator blowdown, laboratory and
sampling streams, boiler blowdown, floor drains, and recirculating house service water systems. Sanitary
and air conditioning wastes are not considered low volume wastes.
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.
The term, "chemical metal cleaning waste" means any wastewater resulting from the cleaning of any
metal process equipment with chemical compounds, including, but not limited to, boiler tube cleaning.
Chemical metal cleaning will be conducted according to approved Duke Power equivalency
demonstration.
The term "FGD wet scrubber wastewater" means wastewater resulting from the use of the flue -gas
desulfurization wet scrubber.
8. TOXICITY RE -OPENER CONDITION
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.
9. MONITORING FREQUENCIES
If the Permittee, after monitoring for at least six months, determines that effluent linuts contained herein
are consistently being met, it may be requested of the Director that the monitoring requirements be
reduced to a lesser frequency.
10. POLYCHLORINATED BIPHENYL COMPOUNDS
There shall be no discharge of polychlorinated biphenyl compounds such as. those commonly used for
transformer fluid.
11. BIOCIDE CONDITION
The permittee shall not use any biocides except those 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 Water Quality. Such notification shall include
completion of Biocide Worksheet Form 101 and a map locating the discharge point and receiving stream.
Completion of Biocide Worksheet Form 101 is not necessary for those outfalls containing toxicity testing.
Division approval is not necessary for the introduction of new biocides into outfalls currently tested for
whole effluent toxicity.
12. INTAKE SCREEN BACKWASH
Continued intake screen backwash discharge and overflow from the settling basin are permitted without
limitations or monitoring requirements.
13. BEST MANAGEMENT PRACTICES
It has been determined from information submitted that the plans and procedures in place at Marshall
Steam Station are equivalent to that of a Best Management Practice (BMP).
Pa -0e 10 of 13

PART I
14. CHRONIC TOXICITY PASS/FAIL PERAUT LIbUT (QUARTERLY)
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant
mortality to Ceriodaphnia dubia at an effluent concentration of 12%.
The permit holder shall perform at a minimum, auarterlu monitoring using test procedures outlined in the
"North Carolina Ceriodaphnfa Chronic Effluent Bioassay Procedure," Revised February 1998, or
subsequent versions or "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure"
(Revised -February 1998) or subsequent versions. The tests will be performed during the months of
February, May, August, and November. Effluent sampling for this testing shall be performed at the
NPDES permitted final effluent discharge below all treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV below the
permit limit, then multiple -concentration testing shall be performed at a minimum, in each of the two
following months as described in "North Carolina Phase II Chronic Whole Effluent Toxicity Test
Procedure' (Revised -February 1998) or subsequent versions.
The chronic value for multiple concentration tests will be determined using the geometric mean of the
highest concentration having no detectable impairment of reproduction or survival and the lowest
concentration that does have a detectable impairment of reproduction or survival. The definition of
"detectable impairment," collection methods, exposure regimes, and further statistical methods are
specified in the "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure' (Revised -
February 1998) or subsequent versions.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form (MR -1) for the months in which tests were performed, using the parameter
code TGP3B for the pass/fail results and THP3B for the Chronic Value. Additionally, DWQ Form AT -3
(original) is to be sent to the following address:
Attention: Environmental Sciences Branch
North Carolina Division of
Water Quality
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Environmental Sciences Branch no later
than 30 days after the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved designate
signature. Total residual chlorine of the effluent toxicity sample must be measured and reported if
chlorine is employed for disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month in which toxicity monitoring is
required, the permittee will complete the information located at the top of the aquatic toxicity (AT) test
form indicating the facility name, permit number, pipe number, county, and the month/year of the report
with the notation of "No Flow" in the comment area of the form. The report shall be submitted to the
Environmental Sciences Branch at the address cited above.
Should the permittee fail to monitor during a month in which toxicity monitoring is required, monitoring
will be required during the following month.
Should any test data from this monitoring requirement or tests performed by the North Carolina Division
of Water Quality indicate potential impacts to the receiving stream, this permit may be re -opened and
modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control
organism survival, minimum control organism reproduction, and appropriate environmental controls,
shall constitute an invalid test and will require immediate follow-up testing to be completed no later than
the last day of the month following the month of the initial monitoring.
Page 11 of 13

PART I
IL 5. ASH SETTLING BASIN
Beginning on the effective date of this permit and lasting until expiration, there shall be no discharge of
plant wastes to the ash pond unless the permittee provides and maintains at all times -a minimum free
water volume equivalent to the sum of the maximum 24-hour plant discharges plus all direct rainfall and
all runoff flows to the pond resulting from a 10 -year, 24-hour rainfall event, when using a runoff
coefficient of 1.0.
During the term of the permit, the permittee shall remove settled material from the ponds or otherwise
enlarge the available storage capacities in order to maintain the required minimum volumes at all times.
Annually the permittee shall determine and report to the permit issuing authority: (1) the actual free
water volume of the ash pond, (2) physical measurements of the dimensions of the free water volume in
sufficient detail to allow validation of the calculated volume, and (3) a certification that the required
volume is available with adequate safety factor to include all solids expected to be deposited in the ponds
for the following year. Any changes to plant operations affecting such certification shall be reported to the
Director within five days.
NOTE: In the event that adequate volume has been certified to exist for the term of the permit, periodic
certification is not needed.-
16.
eeded.
16. CHEMICAL METAL CLEANING WASTES
It has been demonstrated that under certain conditions it is possible to reduce the concentration of
metals in boiler cleaning wastes in the range of 92 to 99+ percent by treatment in ash ponds. Because of
dilution problems, and the existence of boundary interface layers at the extremities of the plume, it is
difficult to prove beyond doubt that the quantity of iron and copper discharged will always be less than
one milligram per liter times the flow of metal cleaning when treated in this manner.
The application of physical/chemical methods of treating wastes has also been demonstrated to be
effective in the treatment of metal cleaning wastes. However, the effectiveness of ash pond treatment
should be considered in relation to the small differences in effluent quality realized between the two
methods.
It has been demonstrated that the presence of ions of copper, iron, nickel, and zinc in the ash pond
waters was not measurably increased during the ash pond equivalency demonstration at the Duke Power
Company's Riverbend Steam Station. 'Therefore, when the following conditions are implemented during
metal cleaning procedures, effective treatment for metals can be obtained at this facility:
(1) Large ash basin providing potential reaction volumes.
(2) Well-defined shallow ash delta near the ash basin influent.
(3) Ash pond pH of no less than 6.5 prior to metal cleaning waste addition.
(4) Four days retention time in ash pond with effluent virtually stopped.
(5) Boiler volume less than 86,000 gallons.
(6) Chemicals for cleaning to include only one or more of the following:
(a) Copper removal step- sodium bromate, NaBr03; ammonium carbonate, (NH4)2CO3; and
ammonium hydroxide, NH40H.
(b) Iron removal step -hydrochloric acid, HCl; and ammonium bifluoride, (NH4)BF2 and proprietary
inhibitors.
,(7) Maximum dilution of wastes before entering ash pond 6 to 1.
(8) After treatment of metal cleaning wastes, if monitoring of basin effluents as required by the permit
reveals discharges outside the limits of the permit, the permittee will re -close the basin discharge,
conduct such in -basin sampling as necessary to determine the cause of nonconformance, will take
appropriate corrective actions, and will file a report with EPA including all pertinent data.
17. FLOATING MATERIALS
The Permittee shall report all visible discharges of floating materials, such as an oil sheen, to the Director
when submitting DMRs.
18. DIKE INSPECTIONS
The permittee shall check the diked areas for leaks by a visible inspection and shall report any leakage
detected.
Page 12 of 13

PART I
19. CHEMICAL DISCHARGES
Discharge of any product registered under the Federal Insecticide, Fungicide, and Rodenticide Act to any
waste stream which may ultimately be released to lakes, rivers, streams or other waters of the United
States is prohibited unless specifically authorized elsewhere in this permit. Discharge of chlorine from
the use of chlorine gas, sodium hypochlorite, or other similar chlorination compounds for disinfection in
plant potable and service water systems and in sewage treatment is authorized. Use of restricted use
pesticides for lake management purposes by applicators licensed by the N.C. Pesticide Board is allowed.
20. PRIORITY POLLUTANT ANALYSIS
The Permittee shall conduct a priority pollutant analysis (in accordance with 40 CFR Part 136) once per
permit cycle at outfall 002 and submit the results with the application for permit renewal.
21. WAIVERS
Nothing contained in this permit shall be construed as a waiver by permittee or any right to a hearing it
may have pursuant to State or Federal laws or regulations.
Page 13 of 13

DENR/DWQ
FACT SHEET ADDENDUM
NPDES No. NC0004987
Mark McIntire, NPDES UNIT
October 10, 2003
This is a fact sheet addendum for a major modification at Duke Energy's Marshall Steam
Station currently permitted in North Carolina as NC0004987.
In association with Clean Smokestacks legislation, Duke Energy will be installing a flu -gas
desulfurization (FGD) wet scrubber. This scrubber will generate a wastewater needing
treatment prior to discharge. This permit modification allows for the discharge of treated FGD
wastewater to the ash pond. An internal outfall (004) has been established for the effluent from
the FGD treatment system. Weekly influent and effluent monitoring has been established at
outfall 004 for flow, arsenic, cadmium, chromium, chloride, mercury, nickel, selenium, silver,
suspended solids, and zinc. This influent/ effluent monitoring should allow the facility to assess
the effectiveness of its FGD treatment system.
Internal outfall 004 will discharge to the ash settling basin which is currently permitted as
outfall 002. Monitoring for the above mentioned parameters has been installed for outfall 002
and is required only when outfall 004 is discharging.
Duke Energy has been working with faculty from Clemson University to identify FGD
wastewater treatment options. Pilot scale constructed wetlands have provided positive results.
Current plans are to construct a clarifier, equalization basin, and constructed wetland to treat
the FGD wastewater.
Mars11a11 Stearn Station
FG1) 'Moc: i:,:cntloll
pagie 1

SCHEMATIC OF AIR AND WATER FOR FGD PROJECT
1 AIR
lNS

Subject: PHONE CALL
;From: "Robert R Wylie" <[e-mail]>
Rate: Tue, 6 Jan 2004 20:16:39 -0500
` To: [e-mail]
Mark,
Would you be available this week (30 min.) to discuss a few items with me?
I am currently open all day on Thursday and could call you anytime it suits
you. Besides Thursday, Wednesday after 2:00 p.m. and Friday after 2:00
p.m. are other days this week that we could talk. The items most pressing
to me are:
1. The NPDES permit modification for Marshall's FGD system addition.
2. The ATC for Marshall's FGD wastewater treatment system.
J
3. A need to use a product at Belews Creek to clean oil out of a system.
4. The recently submitted NPDES application for Buck Steam Station.
Thanks,
Robert
s6 '"4�L 1 �� / -e, f
�,,fS4 sa/f
VS,
1 of 1 1/8/2004 9:53 AM

NCO084581
Subject: NCO084581
From: Randy Jones <[e-mail]>
Date: Mon, 08 Sep 2003 09:21:40 -0400
To: Mark Mcintire <[e-mail]>
CC: Kirk Stafford <Kirk. Stafford@ ncmail.net>
Mark,
We noticed that the issued permit for Wilson Technical Community
College (NC0084581) incorrectly listed Wake County on the cover
letter.
1 of 1. 9/29/03 8:22 AM

Subject: MARSHALL NPDES PERMIT
From: '-'Robert R Wylie" <[e-mail]>
Date: Mon, 8 Dec 2003 14:09:01 -0500
To: [e-mail]
Mark,
The following are some very minor changes needed that I wanted to e-mail to
you instead of putting into the formal letter:
Part I item 16. (8) appears to have a period in mid sentence after the
word "permit".
Boiler plate......... page 4 of 16 item 4 "USG" should be "USC"
Boiler plate......... page 8 of 16, item 5 b (3) .............the (B)
reference with Part II E.6.(b) does not exist in the draft permit.
Boiler plate......... page 8 of 16, item 5 .........the (d) should be
a (c)
Boiler plate......... page 10 of 16, item E 2 c. the word "alternation"
should be "alteration".
These items were noted to me. Since they are typos, etc. I thought an
e-mail would be the best way to let you know.
Thanks,
Robert
1 of 1
1/6/2004 8:29 AM
s,
1,

DWQ EMPLOYEE PHONE LIST -- 12/2/02
Page 13
NAME
SECTION/REGION
LOCATION
MSC/COURIER
OFFICE PHONE
FAX NUMBS E-MAIL ADDRESSES
Wilcox, Betty
GW
Parker Lincoln
MSC 1636
715-6167
[phone] [e-mail]
Williams, Ed
ESB - WQ
4401 Reedy Creek Rd (WQ La MSC 1621
733-6510, Ext. 217
[phone] [e-mail]
Williams, Harold
Chem Lab - Support
4405 Reedy Creek Rd
MSC 1623
733-3908, Ext. 219
[phone] [e-mail]
Williams, Sonja
WSRO-WQ
WSRO
Courier 13-15-01 [phone]. Ext. 215 [phone] [e-mail]
Williford, Nancy
CG & L
Parker Lincoln
MSC 1633
715-6226
[phone] [e-mail]
Wilson, Stephanie
NON - DISCHARGE WQ
Archdale -12th floor
MSC 1617
733-5083, Ext. 556
[phone] [e-mail]
Wilson, Susan
POINT SOURCE - WQ
Archdale - 9th floor
MSC 1617
733-5083, Ext. 510
[phone] [e-mail]
Wolfe, Greg
GW
Parker Lincoln
MSC 1636
715-6420
[phone] [e-mail]
Woolfolk, Michelle
PLANNING - WQ
Archdale - 7th floor
MSC 1617
733-5083, Ext. 505
[phone] [e-mail]
Worst, Teresa
NRRT - NEW BERN
New Bern
Courier 16-67-01 [phone]
[phone] [e-mail]
Wrenn, Brian
NON - DISCHARGE WQ
Archdale - 13th floor
MSC 1617
733-5083, Ext. 529
[phone] [e-mail]
Wynn, Jason
PLANNING - WQ
Archdale - 6th floor
MSC 1617
733-5083, Ext. 351
[phone] [e-mail]
Xu, Lin
PLANNING - WQ
Archdale - 6th floor
MSC 1617
733-5083, Ext. 357
[phone] [e-mail]
Yarborough,Elizabeth
ADMIN
Archdale - 9th floor
MSC 1617
733-7015, Ext. 240
[phone] [e-mail]
Yocum, Tom
WSRO-WQ
WSRO
Courier 13-15-01 [phone], Ext. 382 [phone] [e-mail]
York, Marion
CG & L
Parker Lincoln
MSC 1633
715-6207
[phone] [e-mail]
Young, Cheryl
Chem Lab - Organics
4405 Reedy Creek Rd
MSC 1623
733-3908, Ext. 238
[phone] [e-mail]
Yount, Michael
WARO-WQ
WARO
Courier 16-04-01 [phone], Ext. 344 [phone] [e-mail]
Zarzecki, Bob
WETLANDS/401
Parkview Building
MSC 1650 • ..
733-9726.
[phone] [e-mail]
Zimmerman, Jay
RRO-GW
3800 Barrett Drive - RRO
Courier 52-01-00 571-4700, Ext. 252
[phone] [e-mail]
Zoufaly, Steve
PLANNING - WQ
Archdale - 6th floor
MSC 1617
733-5083, Ext. 566
[phone] [e-mail]
V

Duke
`Power®
A Duke Energy Company
November 24, 2003
To: Mark McIntire
North Carolina Department of Environment,
and Natural Resources
Division of Water Quality -
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Subject: Marshall Steam Station
Proposed Modification to
NPDES Permit No. NC0004987
Dear Mr. McIntire:
FOSSIL -HYDRO GENERATION
Duke Power
EC11E / 526 South Church Street
Charlotte, NC 28202-1802
IT
L DEC 10 2003
r(JENr7-t"VA i ESR'. OUALfTY
With reference to the proposed subject NPDES permit modification, Duke Energy Corporation
(Duke) offers the following comments.
The modified NPDES permit includes weekly monitoring for the influent and effluent of the new
internal waste water treatment system (WWTS) and also weekly monitoring at the current
WWTS (outfall 002) for several new parameters. Duke requests that the monitoring frequency
be revised from weekly to monthly for the new identified NPDES parameters and also that the
monitoring requirements for the influent to the new WWTS be eliminated.
Duke plans to install a constructed wetland waste water treatment system in order to treat the flue
gas desulfurization (FGD) waste water. The pilot study being conducted at Clemson University
indicates that this treatment system will sufficiently remove targeted pollutants. Additionally,
once the new WWTS is installed and in operation, Duke plans to conduct in -process monitoring
in order to ensure that the system is operating as designed. This monitoring will focus on several
of the parameters that are identified in the proposed NPDES permit, in addition to other
performance parameters as determined by the system designer.
Additional comments on the subject permit are as follows:
�It is requested that page numbers be included.
t2. It is requested that the page for outfall 004 follow the page for outfall 003.
'Under the "NOTES" for outfall 004 it is requested that a statement be inserted that the
submittal of monthly DMRs is only required once the FGD system begins operation. This will
reduce the paper work until the operation begins.
www. dukepower. com

-u4 On the page entitled "3. Effluent Limitations and Monitoring Requirements Outfall 002", in
the first paragraph it states that outfall 002 is an "internal" outfall. This outfall is actually a
"final" outfall. Therefore, it is requested that "internal" be replaced with the word "final".
1'S. Under Part I. item 7.,, the word "flue" is misspelled.
Under Part I. item 11., the wording used in other NPDES permits provides further
clarification on when the Biocide Worksheet 101 is not required. The current wording in other
NPDES permits states," Completion of Biocide Worksheet Form 101 is not necessary for those
outfalls containing toxicity testing. Division approval is not necessary for the introduction of a
new biocide into an outfall currently being tested for toxicity." It is requested that this wording
be included in the NPDES permit for Marshall Steam Station.
X/I.eiUnder Part I. item 13., "Buck Steam Station is referenced instead of "Marshall Steam
Station". It is requested that the reference be changed to "Marshall Steam Station".
-►moi. Under Part I. item 16. (7), the word "Minimum" should actually be changed to "Maximum".
This restricts the chemical cleaning from being diluted and suspending the metals during a
chemical metals cleaning.
9. In Parts II and IV references are made to municipalities. This new wording does not apply to
Marshall Steam Station since it is not considered a municipality. In order to minimize some
potential misinterpretations, it is Duke preference that the paragraphs that refer to municipalities
be deleted.
Duke appreciates the opportunity to review and provide comments on this proposed permit
modification. We will be glad to meet and discuss any items that you would like to discuss
further. If you need additional information or have any questions please contact Robert Wylie at
[phone].
Sincerely,
Vint"Al'X t, fit..4�
Michael A. Ruhe, Manager
Environmental Support
cc: Ms. Karrie-Jo Robinson -Shell - USEPA Region IV
Mr. Michael Parker — NCDENR Mooresville Regional Office

imap://marls.mcintire"/o4Uclwq.aenr.ncmaii.netUcros.ncmaii.net: t4...
Subject: Re: Marshall Steam Station Modification
From: [e-mail]
Date: Wed, 22 Oct 2003 11:15:27 -0400
To: Mark McIntire <[e-mail]>
CC: [e-mail], [e-mail]
Mark,
I suggest you include in the permit a re -opener in -the event that
monitoring from 004 or 002 shows that limits are need. This could be
based on 12 -months worth of data.
Karrie-Jo Robinson -Shell, P.E.
1 of 1 1/6/2004 8:29 AM

DWQ EMPLOYEE PHONE LIST -- 12/2/02 `
Page 8
NAME
SECTION/REGION
LOCATION
MSC/COURIER OFFICE PHONE
FAX NUMBER E-MAIL ADDRESSES
Lewis, Linda
WIRO-WQ
WIRO
Courier 04-16-33 [phone], Ext. 210 [phone] [e-mail]
Lewis, Steve
NON - DISCHARGE WQ
Archdale - 13th floor
MSC 1617 733-5083, Ext. 539
[phone] [e-mail]
Lieber, Marcia
PLANNING - WQ
Archdale - 6th floor
MSC 1617 733-5083, Ext. 530
[phone] [e-mail]
Livingston, David
Chem Lab - Certification
4405 Reedy Creek Rd
MSC 1623 733-3908, Ext. 272
[phone] [e-mail]
Lopez, Dale
FRO-WQ
FRO
Courier 14-56-25 [phone], Ext. 712 [phone] [e-mail]
Love, Barry
MRO-WQ
MRO
Courier 09-08-06 (704) 66371699, Ext. 230 [phone] [e-mail]
Lutheran, Noelle
WIRO-WQ
WIRO
Courier 04-16-33 [phone], Ext. 211 [phone] [e-mail]
MacPherson, Trish
ESB - WQ
4401 Reedy Creek Rd (WQ La MSC 1621 733-6946, Ext. 238
[phone] [e-mail]
Madden, Cecil
CG & L
Parker Lincoln
MSC 1633 715-6203
[phone] [e-mail]
Mangum, Bob
RRO-WQ
3800 Barrett Drive - RRO
Courier 52-01-00 571-4700, Ext. 266
[phone] [e-mail]
Manning, Jeff
PLANNING - WQ
Archdale - 6th floor
MSC 1617 733-5083, Ext. 579
[phone] [e-mail]
Manuel, Vanessa
POINT SOURCE - WQ
Archdale - 9th floor
MSC 1617 733 -5083, -Ext. 532
[phone] [e-mail]
Markham, Robin
PLANNING - WQ
Archdale - 6th floor
MSC 1617 733-5083, Ext. 558
[phone] [e-mail]
Martin, Jesse
GW-KINSTON
1766 HWY 258 South
Kinston, NC 285 252) 523-3620
[phone] [e-mail]
Massengale, Susan
ADMIN-PIO
Archdale - 9th floor
MSC 1617 733-7015, Ext. 227
[phone] [e-mail]
Mathis, Stonewall
WQ-WIRO
WIRO
Courier 04-16-33 [phone], Ext. 203 [phone] [e-mail]
Matthews, Matt
ESB - WQ
4401 Reedy Creek Rd (WQ La MSC 1621 733-2136, Ext. 256
[phone] [e-mail]
Mauney, Steve
WSRO-WQ
WSRO
Courier -13-15-01 [phone], Ext. 262 [phone] [e-mail]
May, David
WARO-GW
WARO
Courier 16-04-01 [phone], Ext. 357 [phone] [e-mail]
McCoy, Don
Chem Lab - Micro & Inorg.
4405 Reedy Creek Rd
MSC 1623 733-3908, Ext. 215
[phone] [e-mail]
McDonald, Michael
ARO-WQ (Haywood Park ium
ARO
Courier 12-78-05 [phone]
[phone] [e-mail]
McGee, Keyes
POINT SOURCE - WQ
Archdale - 7th floor
MSC 1617 733-5083, Ext. 580
[phone] [e-mail]
McIntire, Mark
POINT SOURCE - WQ
Archdale - 9th floor
MSC 1617 733-5083, Ext. 508
[phone] [e-mail]
McNutt, Cam
PLANNING - WQ
Archdale - 6th floor
MSC 1617 733-5083, Ext. 575
[phone] [e-mail]
McPherson, Fran
ADMIN BUDGET
Archdale - 9th floor
MSC 1617 733-7015, Ext. 210
[phone] [e-mail]
Merritt, Daryl
NON - DISCHARGE WQ
Archdale - 13th floor
MSC 1617 733-5083, Ext. 581
[phone] [e-mail]
Messenger, Harold
RRO-GW
3800 Barrett Drive - RRO
Courier 52-01-00 571-4700, Ext. 250
[phone] [e-mail]
Mew, Ted
GW
Parker Lincoln
MSC 1636 715-6182
[phone] [e-mail]
Meyer, James (Jim)
Chem Lab - Certification
4405 Reedy Creek Rd
MSC 1623 733-3908, Ext. 207
[phone] [e-mail]
Mickens, Brenda
Chem Lab -Organics
4405 Reedy Creek Rd
MSC 1623 733,;3908, Ext. 229
[phone] [e-mail]
Mickey, Michael
WSRO-WQ
WSRO
Courier 13-15-01 [phone], Ext. 264 [phone] [e-mail]
Miguez, Kristin
NON - DISCHARGE WQ
Archdale - 12th floor
MSC 1617 733-5083, Ext. 524
[phone] [e-mail]
Mills, Bill
POINT SOURCE - WQ
Archdale - 9th floor
MSC 1617 733-5083, Ext. 548
[phone] [e-mail]
Miller, Kevin
Wetlands Restoration Program
Home -Based
XXXXXXX [phone]
(xxx) XXXXX [e-mail]
Milosh, Ray
GW
Parker Lincoln
MSC 1636 71576185
[phone] [e-mail]
Minnick, Ted
ARO -GW
ARO
lCourier 12-59=01 [phone], Ext. 268 [phone] [e-mail]
Mitchell, Helena
IADMIN BUDGET
jArchdale - 9th floor
IMSC 1617 733-7015, Ext. 218
[phone] [e-mail]

Re: MARSHALL PERMIT MODIFICATION
Subject: Re: MARSHALL PERMIT MODIFICATION
From: "Robert R Wylie" <rrwylie @ duke-energy.com>
Date: Thu, 16 Oct 2003 18:07:19 -0400
To: Mark McIntire <[e-mail]>
Mark,
Thanks for all of your efforts to issue a draft modified NPDES
permit.
Duke appreciates the opportunity to comment on this draft permit.
It will
be good to get the permit in place so we can follow with an ATC for
the
treatment system in the first quarter of 2004.
With reference to our telephone conversation yesterday, I wanted to
follow-up on some of the items that we discussed. If possible, it
will be _
most appreciated if some of our requests could be incorporated prior
to -
public notice. If -not, I understand. Duke may submit comments in
the form
of a letter during the commenting period, after a little more time
to
review the permit. But I think the following addresses'the main
items that
are of interest to Duke.
The biggest issues are with the frequency of monitoring and also
having to
monitor the.influent to an internal waste water treatment system.
As
mentioned yesterday, Duke will be conducting its own in -process
monitoring
routinely to ensure that the treatment system works as designed and
also
indicated by the pilot study. There may also be a few parameters
that we
may propose to be dropped, based on estimated concentrations, but
that can -
be addressed later.
Once the FGD system is in operation for all four units, the
constructed
wetlands should receive FGD wastewater almost everyday._ Being a
base load
station it is very rare that at least one unit is not operating at
all
times. Most of the time all four units,are in operation. So
overtime, a
1 of 4 10/22/03 9:14 AM

Re: MARSHALL PERMIT MODIFICATION
monthly sample program should be sufficient to determine the peaks
and
valleys of the parameters that are of concern. In addition a lot of
time,
cost and effort has been put into the pilot study to show that the
proposed
constructed wetland treatment system will successfully remove
parameters of
concern. This technology also may ultimately prove to aid other
industries
that may have difficulties in removing the same parameters.
In summary, for monitoring Duke requests that the frequency of
monitoring
for the new parameters listed for outfalls 002 and 004 be set at
once per
month and that the requirement to monitor at the influent to the
constructed wetland treatment system be removed under outfall 004.
A few other comments are as follows:
Until the FGD system becomes operational it is requested that a
DMR need
not be completed for outfall 004. This will relief the site from
having
to write "No Flow" across a DMR page for this outfall in the
interim.
Part I, 3. - Effluent Limitations and Monitoring Requirements -
delete
the word "Internal" for outfall 002.
Part I, #7 - Definitions (last sentence) - Change "flu -gas" to
"flue -gas".
Part I, #11 - Biocide Condition - Some NPDES permits include
wording
that states "Division approval is not necessary for the
introduction of
a new biocide into an outfall currently being tested for
toxicity." It
is understood that this is the policy of NCDENR and would help to
provide additional clarification for Marshall.
Part I, #13 - Best Management Practices - Please change "Buck" to
"Marshall".
Part I, #16 - Chemical Metal Cleaning Wastes - Item (7) should
state
"maximum" instead of "minimum" dilution of wastes before entering
ash
pond 6 to 1.
2 of 4 10/22/03 9:14 AM

Re: MARSHALL PERMIT MODIFICATION
Please contact me if you have any questions. Thanks again for the
opportunity to provide some comments.
Sincerely,
Robert
704 382-4669
Mark McIntire
<mark.mcintire@nc To: Robert R
Wylie <[e-mail]>
mail.net> cc:
Subject: Re:
MARSHALL PERMIT MODIFICATION
10/10/2003 11:22
i
Robert,
Attached is the draft permit for Marshall. I went ahead and updated
the
entire permit, but really the only changes are to the supplement
page,
the effluent limitations page for outfall 002, and a new effluent
limitations page for the internal outfall from the FGD system (004).
I
forwarded the draft to EPA this morning, so hopefully they'll get
any
comments to me in the next few weeks. The draft should go to public
notice next Wednesday.
Call or e-mail with comments/questions.
Have a good weekend.
Mark
3 of 4 10/22/03 9:14 AM

Re: MARSHALL PERMIT MODIFICATION
Robert R Wylie wrote:
Hi Mark,
My apology for asking, since I know Isabel put you behind, but
what is
your
latest best estimate for when a draft NPDES permit will be issued
for the
FGD project at Marshall Steam Station?
In the project management tracking system the NPDES permit
modification is
linked to: the final system design, which is linked to the ATC,
site
excavation, wetland construction, etc. After we met in April I
set the
schedule with the FGD team for receiving the draft permit this
September.
Right now I am planning to tell the design engineering firm to go
ahead
begin the final design. However, I still need to let the FGD
project
manager know the permitting status.
Anyway my apology for asking, but I need to know something so I
can
provide
a status as accurately as possible.
Thanks,
Robert
704 382-4669
(See attached file: 4987 permit.pdf)
4 of 4 10/22/03 9:14 AM

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
William G. Ross, Jr., Secretary
Alan W. Klimek, P.E., Director
October
MEMORANDUM
To: Britt Setzer
NC DENR / DEH / Regional Engin
Mooresville Regional Office
From: Mark McIntire
NPDES Unit
1 ?OWA
•
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
NOV 5 2003
DENR - vJo-i7Ef? Q fAU lL TY
POINT LBRANCH
T. OF E N1ROMMEN
Tf_IP AI. RESOURCES
.`'; VAL OFFICE
OCT 2 8 2003
Subject: Review of Draft NPDES Permit NC0004987
Catawba County
Please indicate below your agency's position or viewpoint on the draft permit and return this form by
November 21, 2003. If you have any questions on the draft permit, please contact me at the
telephone number or e-mail address listed at the bottom of this page.
❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑
RESPONSE: (Check one)
Concur with the issuance of this permit provided the facility is operated and maintained properly, the
stated effluent limits are met prior to discharge, and the discharge does not contravene the
designated water quality standards.
F-1
Concurs with issuance of the above permit, provided the following conditions are met:
F-1 Opposes the issuance of the above permit, based on reasons stated below, or attached:
Sign
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 919 733-5083, extension 508 (fax) 919 733-0719
VISIT US ON THE INTERNET @ http://h2o.enr.state.nc.us/NPDES Mark.Mclntire@ ncmail.net

In Account With
observer Ne
Enterprise
i
North Carolina's First Web Offset Multi -Color News
P. O. BOX 48 NEWTON, N. C. 28658 TELEPHONE [phone]
ONCDENR/.DWQ/NPDES
•Attn:Valery Stephens
01617 Mail Service Center
Raleigh,NC 27699-1617
DUE 10TH OF THE FOLLOWING MONTH
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NDuke
Powere
A Duke Energy Company
April 30, 2003
To: Mark McIntire
North Carolina Department of Environment
and Natural Resources
Division of Water Quality
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Subject: Marshall Steam Station
NPDES Permit No. NC0004987
NPDES Permit Modification Request
Dear Mr. McIntire:
FC(,t ► Uv i lc-=
FOSSIL AND HYDRO GENERATION
Duke Power
P.O. Box 1006
Charlotte, NC 28201-1006.
I DD
013 M AY 2 2003
1 � !
To comply with the North Carolina Clean Air Initiative (NCCAI), Duke Power Company
plans to install a Flue Gas Desulfurization (FGD) system at Marshall Steam Station.
Installation of the FGD system will create an additional wastewater stream that discharges
to the current wastewater treatment system (WWTS) that discharges to NPDES outfall
002. As required by the North Carolina Administrative Code, Title 15A Subchapter 2H
.0114 and the federal regulations 40 CFR 122.62 and 124.5 (a), Duke Power requests the
subject NPDES permit be modified in order to account for this future wastewater stream.
Based on a review of the projected parameter concentrations (attachment) of this additional
FGD wastewater stream, Duke Power's review indicates the need for an additional
WWTS. As discussed at our April 2, 2003 meeting in Raleigh, Duke Power has contracted
with Clemson University to conduct a pilot scale treatment study using constructed
wetlands. This study is currently underway using wastewater that has been synthesized to
simulate the projected concentrations of the FGD wastestream. In addition, other treatment
systems are also being reviewed.
Enclosed is a check for $860 to process this permit modification request. In order to
maintain the projected construction schedule for implementation of the NCCAI
requirements, the approved permit modification is needed by December 31, 2003. Upon
receipt of the permit modification, Duke Power plans to develop and submit the
application for "Authorization to Construct" of the additional WWTS.
www.duke-energy.com

Your efforts to complete this permit modification in a timely manner are much appreciated.
Additionally, you and other agency representatives are more than welcome to visit the pilot
study at Clemson University. Please coordinate this trip with Robert Wylie. If you have
questions or need additional information on the pilot study and/or this permit modification
request, please contact Robert at [phone].
Sincerely,
�rG
Michael A. Ruhe, Manager
Environmental Support
cc: Ms. Caroline Ejimofor - USEPA Region IV
Mr. Michael Parker — NCDENR Mooresville Regional Office

Attachment
MARSHALL STEAM STATION
SUMMARY OF
FLUE GAS DESULFURIZATION
WASTEWATER CHARACTERISTICS AND INFORMATION
Wastewater from the FGD system is projected to have concentrations as identified below. These
projections are prior to any wastewater treatment occurring. Treatment for this wastewater is to
be provided by an additional wastewater treatment system (WWTS). The effluent from this
WWTS treatment system is to be discharged into the current WWTS where additional treatment
will occur prior to the discharge at:NPDES outfall 002. The average flow rate for the FGD waste
stream is calculated to be 0.675 mgd. The average flow rate from the current wastewater
treatment system is 6.7 mgd.
PROJECTED
PARAMETERS IN FGD
WASTEWATER
Antimony
-Arsenic
Barium
Beryllium
Boron
Cadmium
Chemical Oxygen Demand 4
Chloride
-,,Chromium
Cobalt
'Copper
-Fluoride
Lead
Manganese
Mercury
Molybdenum
Nickel
'-Selenium
'-Silver
Sulfate
Thallium
Notal Suspended Solids
Vanadium
Zinc
PROJECTED 1999 NPDES FORM 2C
CONCENTRATIONS IN APPLICATION
FGD WASTEWATER (DDM) 1 RESULTS FOR
OUTFALL 002 (pi)
0.01 <0.003 2
0.28
0.0082
4.20
0.093
0.01
<0.005 2
20
0.447
0.06
<0.0005..2
100
<20 2
5,857
NM 3
0.19
<0.001 2
0.23
<0.00006 2
0.28
0.031
37.29
0.29
0.21
<0.001 2
0.73
0.132
0.02
<0.0001 2
0.20
<0.00004 2
0.43
0.0056
7.40
0.0041
0.01
<0.0005 2
3,000
83.7
0.01
<0.002 2
1000
3.1
0.34
NM 3
0.48
0.034
1 The projected concentrations are based primarily on models and the analysis of coal., In some
situations literature research was used along with analytical results from current FGD sites.
2 < values = Less than detection for the analysis conducted in 1999.
3 NM = Not measured.
4 COD may range up to approximately 1,000 mg/l in the FGD wastewater if dibasic acid (DBA)
is used in the FGD system. Whether DBA will be used has not yet been decided.

Duke
®Power.
A Duke Ewv ComPa'7
George T. Everett, Ph.D.
Vice President, Environmental Affairs
June 10, 2003
Mr. James Giattina
Director, Water Management Division
US Environmental Protection Agency, Region 4
Sam Nunn Atlanta Federal Center
61 Forsyth Street, SW
Atlanta, Georgia 30303
Subject: Duke Power Company
NPDES Permit Modification Review Process
Flue Gas Desulfurization Wastewater
Dear Mr. Giattina:
Duke Power
526 South Church Street
P.O. Box 1006
Charlotte, NC 28201-1006
Q
3 2003
QUALM
In order to comply with the North Carolina Clean Air Initiative (NCCAI), Duke Power
plans to install Flue Gas Desulfurization (FGD) systems at several of our North Carolina
coal-fired steam stations. Operation of the FGD systems will produce an additional
wastewater stream. Based on projected pollutant characteristics in the FGD wastewater,
NPDES permit modifications will be required. The FGD construction projects represent
major capital expenditures with critical schedule requirements. Duke Power respectfully
requests your assistance to ensure that permitting delays do not impact our FGD
construction schedules.
In preparation for installation of additional wastewater treatment systems, Duke Power is
evaluating the potential for constructed wetland treatment as well as conventional
treatment options. With regards to the constructed wetland treatment option, Duke Power
has contracted with Dr. John Rodgers of the Clemson Institute of Environmental
Toxicology to develop a constructed wetland pilot study for treating the FGD
wastestream. This study is currently Lderway using wastewater that has been
synthesized to simulate the projected concentrations of the FGD wastestream. The two
main pollutants of concern are mercury and selenium. Preliminary results from this pilot
study are very encouraging. Duke Power is very excited about the possibility of
installing such an innovative method to treat FGD wastewater.
Progress Energy, Inc. recently joined this study and will also be submitting NPDES
permit modification requests. Representatives from Duke Power and Progress Energy
met with representatives from the North Carolina Department of Environment and
Natural Resources (NCDENR) on April 2, 2003, to discuss the FGD wastestream and the
potential use of constructed wetlands as a treatment option. Overall, NCDENR provided
favorable feedback on this treatment approach. Representatives from NCDENR have

r
Mr. James Giattina
June 10, 2003
Page 2
tentatively planned to visit the wetland pilot study in late June 2003. If EPA
representatives would also, like to visit the pilot study, Duke would be glad to make
arrangements with Dr. Rodgers.
Duke Power's initial FGD system is planned for Marshall Steam Station. An NPDES
permit modification for Marshall Steam Station was submitted to NCDENR on April 30,
2003. In order to maintain the projected construction schedule for .the FGD system
installation at Marshall Steam Station, the approved permit modification must be received
by December 31, 2003. Thus, once NCDENR issues the draft modified NPDES permit
for review (currently projected for September), a prompt review will be most appreciated.
Please advise if the review process can be enhanced by meeting with Duke Power
representatives.
Duke Power is grateful for your cooperation in this matter. If you have questions or need
additional information please contact me at [phone].
Sin4T.verett,
1 &,Zv'
GeoPh.D.
Vice President, Environmental Affairs
cc: Ms. Coleen Sullins - NCDENR Raleigh Office
j Mr -Mark M.__ cIntire - NCDENR Raleigh Office
Mr. Ben White — Progress Energy, Inc.
Mr. Jimmy Palmer, EPA
Ms. Carolina Ej imofor, EPA

Get d Document - by Citation - 20 F.P.C. 360 tA Ptis �� �� Page 1 of 13
F6oec_
20 F. P.C. 360; 1958 FPC LEXIS 647, * jV GD/io 1-99" 7
DUKE POWER COMPANY, PROJECT NO. 2232
FEDERAL POWER COMMISSION
20 F.P.C. 360; 1958 FPC LEXIS 647
September 17, 1958
CORE TERMS: license, concrete, licensee, mile, constructed, dam, gravity, powerhouse, spillway,
river, acre-feet, horsepower, reservoir, elevation, kilowatt, storage, generators, turbines, consisting,
connected, acre, electrical, intake, foot, appurtenant, mechanical, drawdown, usable, water, earth
[*1]
ORDER ISSUING LICENSE (MAJOR)
Before Commissioners: Jerome K. Kuykendall, Chairman; Frederick Stueck and John B. Hussey.
OPINION:
Application was filed May 15, 1957, and amended September 4, 1957, -by Duke Power Company of.
Charlotte, North Carolina (Applicant) for a license under Section 4 (e) of the Federal Power Act
(hereinafter referred to as the Act) for Project No. 2232, known as the Catawba-Wateree Project, on
the Catawba River, North Carolina, and on the Catawba and Wateree Rivers, South Carolina,
(navigable waterways of the United States) in the counties of Alexander, Burke, Caldwell, Catawba,
Gaston, Iredell, Lincoln, McDowell and Mecklenburg, North Carolina, and in the counties of Chester,
Fairfield, Kershaw, Lancaster and York, South Carolina.
The Santee River, which flows into the Atlantic Ocean near Georgetown, South Carolina, is formed by
the Congaree and Wateree Rivers -143 miles above its mouth. The Congaree is formed by the Saluda
and Broad Rivers at Columbia, South Carolina, about 51 miles above the point of junction with the
Santee and Wateree Rivers. From this point of junction, the Wateree extends northerly to the mouth
of Big Wateree Creek where it [*2] is known as the Catawba River and then continues northerly
into North Carolina thence westerly to its source in the Blue Ridge Mountains.
Applicant requests a 50 year license, effective as of the date of its issuance, to include ten
hydroelectric developments constructed between 1905 and 1928 by various predecessors of Applicant
and one proposed development, known as the Cowan's Ford development.
The ten constructed developments are spread over a reach of the river a distance of about 215 miles.
These developments with location as to river mile, dates of completion, and installed horsepower
capacities are as follows, beginning with the, uppermost development and proceeding downstream:
Development
River
Date of
Capacity
mile
completion
(kw.)
Bridgewater
275
1919
20,000
Rhodhiss
239
1925
25,500
Oxford
222
1928
36,000
Lookout Shoals
212.5
1915
18,720
Mountain Island
163.5
1923
60,000
Catawba
138.5
1905 and 1925
60,000
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Get a Document - by Citation - 20 F.P.C. 360
t
Fishing Creek
100.5
1916 and 1927
36,720
Great Falls n1
98
1907
24,000
Dearborn n1
98
1923
45,000
Rocky Creek n2
96
1909
24,000
Cedar Creek n2
96
1926
45,000
Wateree
73.5
1919 and 1925
56,000
n1 Share a common reservoir.
n2 Share a common reservoir. [*3]
Page 2 of 13
The Secretary of the Army and the Chief of Engineers have approved the plans of the project
structures insofar as the interests of navigation are concerned.
The Secretary of the Interior, in reporting on the application, recommended for inclusion in any
license issued certain conditions in the interests of fish and wildlife resources and public enjoyment of
such resources, and for archaeological salvage in the area to be inundated by the proposed Cowan's
Ford development, all as hereinafter substantially provided.
The North Carolina Wildlife Resources Commission, Stream Sanitation Committee, and Board of
Conservation and Development, both of North Carolina, in reporting on the application, 'recommended
for inclusion in any license issued substantially the same conditions recommended by the Secretary of
the Interior. However, the State agencies mentioned herein and the Applicant concluded successful
negotiations in the form of two agreements, with respect to minimum water releases and establishing
public recreation areas as hereinafter provided.
The South Carolina State Board of- Health (Water Pollution Control Authority), in reporting on the
application, recommended for inclusion in [*4] any license issued a condition respecting minimum
daily flow releases as hereinafter provided.
Beginning in about 1826, the State of South Carolina undertook various projects to improve the
Wateree (Catawba) River for navigation. At a point about 5 miles upstream from Camden, the State
constructed a canal and locks about 5 miles long which paralleled the stretch of the Wateree River
now occupied by the dam and lower part of the reservoir of Applicant's Wateree Development. The
next group of navigation works consisted of dams, canals and locks extending around Great Falls
from a short distance below the mouth of Rocky Creek to a point about a mile above the mouth of
Fishing Creek. These navigation works paralleled the part of the Catawba River now occupied by
Applicant's Rocky Creek, Cedar Creek, Great Falls, Dearborn and Fishing Creek Developments. The
State also constructed navigation improvements consisting of a canal'2 miles long with locks and a
dam near Landsford, South Carolina, in the vicinity of mile 113, between Applicant's Fishing Creek
and Catawba Developments.
In their aforementioned report on the application for license, the Secretary of the Army and the
[*5] Chief of Engineers stated that the existing Federal navigation improvement project on the
Wateree River extends from its mouth to mile 67 near Camden, South Carolina, which is 6.5 miles
downstream from Applicant's lowest development (Wateree Development) at mile 73.5 on the River.
According to Senate Document No. 189, 78th Congress, 2d Session, page 18, for the Santee River,
North Carolina and South Carolina, the average width of the Wateree River below Camden is 350
feet, and its controlling depth for 5 days of each week when Applicant's 10 constructed developments
above Camden, South Carolina, are operating is approximately 5 feet. These developments generally
curtail operation over week ends, however, causing a reduction of about 4 feet in the stages of the
Wateree River. According to the chart which is part of Exhibit I of Applicant's application for license,
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Get a Document - by Citation - 20 F.P.C. 360
Page 3 of 13
the flow available 50 percent of the time of the Wateree River at Camden is about 4500 cfs; at Rock
Hill, South Carolina, about 3100 cfs; and at Catawba, South Carolina, about 1900 cfs.
The Wateree Development with an effective storage of about 120,000 acre-feet could withhold the
median flow at Camden of 4500 cfs for 13 [*6] days, and the Fishing Creek Development with an
effective storage of about 28,000 acre-feet could withhold such a flow for about 3 days. The Catawba
Development with about 108,000 acre-feet and Mountain Island with 26,000 acre-feet could withhold
a flow equal to the median flow of 3100 cfs at the Rock Hill gaging station at mile 135 for 17 days
and 4 days, respectively. The proposed Cowan's Ford Development with 588,000 acre-feet, the
Oxford Development with 37,000 acre-feet, and the Rhodhiss Development with 28,000 acre-feet
could withhold a flow equal to the median flow of 1900 cfs at the Catawba gaging station at mile 209
for 155 days, 10 days and 7 days, respectively.
A reduction of 3100 cfs from 4500 cfs at Camden would cause a reduction in stage at Camden of 2.8
feet, and a reduction of 1900 cfs from 4500 cfs would cause a reduction in stage at Camden of 1.7
feet.
When the proposed Cowan's Ford Development is completed the Catawba-Wateree Project will
develop 890.5 feet of powerhead, which is 85 percent of the total head available in the 215 -mile
reach of the river between the Wateree dam and the upper reaches of the Bridgewater Development.
The present installation is 450,940 [*7] kilowatts and the ultimate installation of Cowan's Ford will
be approximately 350,000 kilowatts, which is an increase of about 78 percent in the installed capacity
of the Catawba-Wateree Project. The additional capacity is necessary for meeting in the peak loads in
the Applicant's system, which has been changing from a hydro system with auxiliary steam, to a
steam system with hydro used for peaking.
The existing reservoirs have an operating storage capacity of 650,000 acre feet. The addition of
Cowan's Ford with 588,300 acre-feet of storage will bring the total capacity available for power and
flood control to 1,283,300 acre-feet.
The subject application for license shows the estimated cost of the initial construction of Cowan's Ford
as $46,088,000 and the ultimate cost as $50,868,000, and that Applicant proposes to finance its
construction by funds from Applicant's treasury or by funds to be obtained by the issuance of notes,
bonds, debentures, or common stock, or a combination of two or more of these types of financing.
We recently had occasion to consider the license term problem in connection with the licensing of
constructed project works in formal proceedings on [*8] applications for licenses filed by Carolina
Aluminum Company in Project No. 2197 and Carolina Power & Light Company in Project No. 2206 on
the Yadkin-Peedee River in North and South Carolina. In those proceedings we said in summary (19
FPC 704), that:
There is no basis in the act for saying that the operation and maintenance of these existing
hydroelectric developments, which were constructed prior to the 1935 amendments to the Act, have
been operated and maintained unlawfully or in trespass against the United States. This would be true
even if it should be subsequently determined that they are occupying navigable waters of the United
States.
An examination of the record does not, in our judgment, disclose a rational basis in the evidence
which would justify shorter license terms than 50 years or the back dating of the licenses, and
therefore, on the basis of the evidence of record and the legal principles set out above, we are
without authority to back date the licenses or to issue them for a term of less than 50 years.
We are not advised of any prior determination that the reaches of the Catawba and Wateree Rivers
involved here are navigable waters of the United States making Applicant's [*9] prior operation and
maintenance of its existing developments on those streams unlawful under Section 23 (b) of the Act.
Official notice may not be taken of navigability of sections of rivers unless it is a matter of general
r__
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Get a Document - by Citation - 20 F.P.C. 360
Page 4 of 13
knowledge that such sections are navigable. That fact must be determined through evidence unless it
is a matter of general knowledge. United States v. Utah, 283 U.S. 64, 77. We do not think there is
general knowledge that the Wateree and Catawba Rivers are navigable above Camden, at about river
mile 67. Furthermore, there has not been a prior Commission determination that these existing
developments affect navigable capacity downstream from these developments or that they otherwise
affect the interest of interstate or foreign commerce.
We are unable to distinguish this proceeding from our decision with respect to Project Nos. 2197 and
2206 although some of the project works under consideration here are located on a stretch of a
stream which is now found to be a navigable water of the United States. Moreover, if these existing
developments were unlawful under the Federal Power Act they would also be unlawful under the River
and Harbor Act of 1899 (33 [*10] U.S.C. 401, 403) from the date of their construction. Compare,
United States v. Appalachian Power Co., 311 U.S. 377, 398. Accordingly, if these existing
developments had been operated unlawfully it would appear that any license issued should be made
effective as of the time of their construction. The Great Falls development has been in operation in
excess of 50 years.
The situation here is similar to that presented in the proceeding on application by The Montana Power
Company for a license for Project No. 2188 involving existing and proposed project works on the
navigable Missouri River and existing project works on the Madison River which affect the
downstream navigable capacity of the Missouri. There (15 F.P.C. 15330, 1335) we said:
The Applicant seeks a single license for its proposed new Cochrane development and its eight existing
hydroelectric developments as a completely integrated project. We agree with the Applicant that a
single license should be issued for these developments. The proposed development and the eight
existing developments are integrated and are best adapted to a comprehensive plan for the
development of this watershed. There is no constitutional [*11] necessity for viewing each project
or development in isolation from a comprehensive plan for the entire basin. This is clearly pointed out
by the Supreme Court in the Denison Dam case. Oklahoma v. Atkinson, 313 U.S. 508.
This concept of considering a particular watershed as a whole, as expressed in Sections 4 (e) and 10
(a), is the backbone of the licensing provisions of the Federal Power Act. This question was
considered at length by the Commission In the Matter of Pacific Gas and Electric Co., 2 F.P.C. 216
(1941). There the Pacific Gas and Electric Company contended that the proposed Pit No. 5 run -of -
river hydroelectric development on the Pit River downstream from a licensed development was not
subject to the licensing provisions of the Act (p. 521). The Commission found (pp. 525, 529) that the
proposed Pit No. 5 development was an essential part of a comprehensive plan of development of the
Pit River; that it was subject to the licensing provisions of the Act; and that the license previously
issued for the Pit No. 3 and Pit No. 4 developments should be amended to include the proposed Pit
No. 5 development.
The Applicant also asks that the terms of the license be [*12] for a period of fifty years from the
date of issuance. The application for the eight existing developments was filed pursuant to the
Commission's findings and order issued December 7, 1948, wherein it was determined that they are
subject to the licensing provisions of the Act (7 F.P.C. 163). Upon consideration of all of the
circumstances involved, we conclude that the license to be issued herein for the eight existing
developments and the proposed Cochrane development shall be for a period of fifty years from the
first day of December 1948. This action is consistent with our previous orders upon application
presenting similar proposals.
The legislative history of the Act concerning the term of a license demonstrates the desirability of
having the license expire at the same time with respect to all of the project works. Moreover, the
legislative history shows that this was the principal reason for not making a 50 -year term mandatory
under the Act. Although a 50 -year license period is not mandatory we must have a rational basis for
specifying a shorter period. We find no basis in this proceeding for specifying any period less than 50
years.
i.. ii t_ _e_ ____L_______1_L__..—_____0 O_ L...,__.,...T_.. 17PIPI Aril

Get a Document - by Citation - 20 F.P.C. 360
.
The Commission finds:
Page 5 of 13
(1) The Applicant [*13] is a corporation organized under the laws of the State of New Jersey and
has submitted satisfactory evidence of compliance with the requirements of all applicable State laws
insofar as necessary to effect the purposes of a license for the project.
(2) The project would consist of:
(a) All lands constituting the project area and inclosed by the project boundary or the limits of which
are otherwise defined, and/or interest in such lands necessary or appropriate for the purposes of the
project, whether such lands or interest therein are owned or held by the licensee or by the United
States; such project area and project boundary being more specifically shown and described by
certain exhibits which formed part of the application for license and which are designated and
described as follows:
Exhibit J: (FPC No. 2232-2) Sheet 1, General Map and Profile; (FPC No. 2232-3) Sheet 2,
Transmission System Map; FPC Nos. 2232-41 and -42) Sheets 3 and 4, Details of Transmission
System.
(b) Project works consisting of:
1. Bridgewater Development (constructed in 1919) located at river mile 275 on Catawba River near
Morganton, North Carolina, and consisting of the Catawba Dam, -[*14] comprised of a concrete
gravity overflow spillway section, a concrete gravity non -overflow section, a concrete core wall, and
earth embankment sections on either end; Paddy Creek Dam, an earth dam located on Paddy Creek;
Linville Dam, an earth dam located on Linville River; Linville -Paddy Creek spillway, and uncontrolled
overflow weir located between the Linville and Paddy Creek dams; a reservoir formed by the three
dams with an area of 6,510 acres at elevation 1200, and 3,322 acres at elevation 1160 and usable
storage of 189,370 acre-feet at the 40 -foot drawdown; a tunnel and penstock at Linville dam leading
to the powerhouse which contains two 13,200 -horsepower turbines connected to two 10,000 -kilowatt
generators; a substation and switchyard; and appurtenant mechanical and electrical facilities;
2. Rhodhiss Development (constructed in 1925) located at river mile 239 on Catawba River near
Rhodhiss, North Carolina, consisting of a dam comprised of a concrete gravity overflow spillway
section with crest at elevation 995, two concrete gravity non -overflow sections, a rolled earth
embankment and a concrete intake and powerhouse section; a reservoir with an area of 3,515 acres
[*15] at elevation 995 and usable storage of 27,570 acre-feet at 10 -foot drawdown; a powerhouse,
integral with the dam, containing three 14,140 -horsepower turbines connected to three 8,500 -
kilowatt generators; a substation and switchboard; and appurtenant mechanical and electrical
facilities;
3. Oxford Development (constructed in 1928) located at river mile 222 on Catawba River near
Hickory, North Carolina, consisting of a dam comprised of a concrete gravity gated spillway section, a
concrete intake and powerhouse section, two concrete non -overflow sections, and an earth
embankment section; a reservoir with an area of 4,110 acres at normal pool elevation of 935 and
usable storage of 36,890 acre-feet at 10 -foot drawdown; a powerhouse, integral with the dam,
containing two 28,000 -horsepower turbines connected to two 18,000 -kilowatt generators; a
substation and switchyard; and appurtenant mechanical and electrical facilities;
4. Lookout Shoals Development (constructed in 1915) located at river mile 212.5 on Catawba River
near Claremont, North Carolina, consisting of a dam comprised of an earth embankment section, two
concrete gravity non -overflow sections, a concrete gravity overflow [*16] spillway section, and a
concrete intake and powerhouse section; a reservoir with an area of 1,270 acres at spillway crest
elevation 838 and usable storage of 3,670 acre-feet at 3 -foot drawdown; a power house, integral
with dam, containing three 11,000 -horsepower turbines connected to three 6,240 -kilowatt
f.. it t . l.__._.._ 1_ V._....•---- r1 ___-_n-1__ArM"1 ALIN INP7-/)-IN-P7.7- Al- /1i lA O_ L...._..,, .. P- --.- ^7 N1 PIArV2

Get a Document - by Citation - 20 F.P.C. 360
h .
Page 6 of 13
generators; a substation and switchyard; and appurtenant mechanical and electrical facilities;
5. Cowan's Ford Development (proposed) located on Catawba River at river mile 179 on Catawba
River near Davidson, North Carolina, to consist of a dam comprised of a concrete intake and
powerhouse section, a concrete gravity controlled spillway section, two concrete gravity non -overflow
sections, and two rolled earth fill embankment sections; a reservoir with an area of 29,760 acres at
normal pool elevation of 760 and a usable storage of 588,300 acre-feet at a 25 -foot drawdown; an
outdoor type power house, integral with the dam, containing three 121,000 -horsepower turbines
connected to three 87,500 -kilowatt generators, installed initially and with provisions for a fourth
similar unit; step-up transformers; and appurtenant mechanical and electrical facilities;
6. Mountain Island Development [*17] (Constructed in 1923) located at river mile 163.5 on
Catawba River near Mt. Holly,' North Carolina, consisting of a dam comprised of an earth embankment
section, a concrete intake and powerhouse section, two concrete gravity non -overflow sections, and a
concrete gravity overflow spillway section; a reservoir with an area of 3,235 acres at spillway crest
elevation 648 and usable storage of 25,987 acre-feet at 10 -foot drawdown; a powerhouse, integral
with the dam, containing four 22,700 -horsepower turbines connected to four 15,000 -kilowatt
generators; step-up transformers; a switchyard; and appurtenant mechanical and electrical facilities;
7. Catawba Development (constructed in 1904 and redeveloped in 1925) located at river mile 138.5
on Catawba River near Fort Mill, South Carolina, consisting of a dam comprised of a rolled earth fill
embankment, two concrete gravity non -overflow sections, a concrete gravity intake and powerhouse
section, and a concrete gravity spillway section of which two sections are controlled by gates and an
overflow section; a reservoir with an area of -12,455 acres'at the uncontrolled spillway crest elevation
570 and usable storage of 107,670 acre-feet [*18] at 10 -foot drawdown; a powerhouse, integral
with the dam, containing four 20,000 horsepower turbines connected to four 15,000 -kilowatt
generators; a substation and switchyard; and appurtenant mechanical and electrical facilities;
8. Fishing Creek Development (constructed in 1916 and redeveloped in 1927) located at river mill
100.5 on Catawba River near Great Falls, South Carolina, consisting of a dam comprised of a concrete
gravity non -overflow section, a concrete intake and powerhouse section, a concrete gravity gate
controlled spillway section, and a concrete gravity overflow spillway section; a reservoir with an area
of 3,370 acres at uncontrolled spillway crest elevation 416.5 and usable storage of 27,770 acre-feet
at 10 -foot drawdown; a powerhouse, integral with the dam, containing five 8,800 -horsepower
turbines connected to three 6,000 -kilowatt generators and two 9,360 -kilowatt generators; a
substation and switchyard; and appurtenant mechanical and electrical facilities;
9. Great Falls -Dearborn Development (constructed in 1907 and 1923) located at river mile 98 on
Catawba River at Great Falls, South Carolina, consisting of a concrete diversion dam in the main (left)
[*19] channel, a .combination concrete main spillway, canal spillway and canal headworks in the
right channel; a reservoir with an area of 450 acres at elevation 355.5 and a usable storage of 1,082
acre-feet at 3 -foot drawdown; a forebay canal; Greeat Falls powerhouse, which is a concrete gravity
intake structure, containing eight 5,200 -horsepower horizontal turbines connected to eight 3,000 -
kilowatt horizontal generators; Dearborn powerhouse, which is a concrete gravity intake structure
adjacent to the Great Falls powerhouse, containing three 17,000 -horsepower turbines connected to
three 15,000 -kilowatt generators; step-up transformers; and appurtenant mechanical and electrical
facilities;
10. Rocky Creek -Cedar Creek Development (constructed in 1909 and 1926) located at river mile 96
on Catawba River near Great Falls, South Carolina, consisting of a concrete gravity overflow spillway;
a forebay canal on the right bank with an uncontrolled concrete spillway section, a concrete gravity
section, and concrete intake and powerhouse section forming the river wall of the forebay canal; a
forebay canal on the left bank with an uncontrolled concrete spillway section, a concrete gated
spillway [*20] section and a concrete intake and powerhouse section forming the river wall; a
reservoir with an area of 800 acres at elevation 284.5 and usable storage of 2,296 acre-feet at 3 -foot
drawdown; Rocky Creek powerhouse containing eight 5,200 -horsepower horizontal turbines
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-Get a Document - by Citation - 20 F.P.C. 360 Page 7 of 13
connected to eight 3,000 -kilowatt horizontal generators; Cedar Creek powerhouse containing three
20,000 -horsepower turbines connected to three 15,000 -kilowatt generators; a substation; and
appurtenant mechanical and electrical facilities; and
11. Wateree Development (constructed in 1919 and 1924) located at river mile 73.5 on Wateree
River near Camden, South Carolina, consisting of a dam comprised of an earth embankment section,
a concrete gravity non -overflow section, a concrete intake and powerhouse section, and a concrete
gravity overflow spillway section; a reservoir with an area of 13,710 acres at spillway crest elevation
226.5 and usable storage of 119,590 acre-feet at 10 -foot drawdown; a powerhouse integral with the
dam containing five 17,500 -horsepower turbines connected to five 11,200 -kilowatt generators; a
switchyard; and appurtenant mechanical and electrical facilities; the location, nature and [*21]
character of which are more specifically shown by the exhibits herebefore cited and by certain other
exhibits which also formed part of the application for license and which are designated and described
as follows:
Fishing Creek
Exhibit L: Plans of structures for all developments.
Sections and details.
Development FPC No.
Description
Bridgewater
2232-19
Plans and profiles.
Bridgewater
2232-20
Sections and details.
Rhodhiss
2232-21
Plan and elevation.
Rhodhiss
2232-22
Section and details.
Oxford
2232-23
Plan, elevation and sections.
Lookout Shoals
2232-24
Plan and profile.
Lookout Shoals
2232-25
Sections and details.
Cowan's Ford
2232-26
Plan and profiles.
Cowan's Ford
2232-27
Sections and details.
Mountain Island
2232-28
Plan and elevation.
Mountain Island
2232-29
Sections and details.
Catawba
2232-30
Plan and elevations.
Catawba
2232-31
Sections and details.
Fishing Creek
2232-32
Plan and profile.
Fishing Creek
2232-33
Sections and details.
Great Falls -Dearborn
2232-34
Plans and elevations.
Great Falls -Dearborn
2232-35
Sections and details.
Rocky Creek -Cedar Creek
2232-36
Plan and elevations.
Rocky Creek -Cedar Creek
2232-37
Sections and details.
Wateree
2232-38
Plan and profile.
Wateree
2232-39
Sections and details.
[*22]
Exhibit M: General Description of Mechanical, Electrical and Transmission Equipment consisting of 25
typewritten pages, filed in the Commission on May 15, 1957, as amended September 4, 1957.
(c) All other structures, fixtures, equipment or facilities used or useful in the maintenance and
operation of the project and located on the project area, including such portable property as may be
used or useful in connection with the project or any part thereof, whether located on or off the
project area, if and to the extend that the inclusion of such property as a part of the project is
approved or acquiesced by the Commission; also, all riparian or other rights, the use or possession of
which is necessary or appropriate in the maintenance and operation of the project.
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Get a Document - by Citation - 20 F.P.C. 360 Page 8 of 13
(3) The constructed project developments have been and are operated as a unit, and when
constructed the Cowan's Ford development will be operated as a unit with the constructed
developments.
(4) The constructed developments and the proposed Cowan's Ford development are part of the
project herein authorized within the meaning of Section 3 (11) of the Act.
(5) The existing navigation improvement project on the Wateree River [*23] extends from its
mouth to mile 67 near Camden, South Carolina.
(6) The Wateree and Catawba Rivers are navigable waters of the United States at least as far
upstream as Applicant's Catawba development at mile 138.5 above the confluence of the Wateree
and the Congaree Rivers.
(7) The constructed project developments are operated by Applicant so as to affect the navigable
capacity of the Catawba, Wateree and Santee Rivers.
(8) The proposed Cowan's Ford development will be capable of operating separately in such manner
as to affect the navigable capacity of the Catawba, Wateree, and Santee Rivers.
(9) The project is located in part on navigable waters of the United States and will affect the interests
of interstate or foreign commerce.
(10) No conflicting application is before the Commission. Public notice has been given of the filing of
the application for a license.
(11) The Applicant has submitted satisfactory evidence of its financial ability to construct the Cowan's
Ford development and to operate the project.
(12) The issuance of a license as hereinafter provided will not affect the development of any water
resources for public purposes which should be undertaken by the [*24] United States.
(13) Subject to the terms and conditions her specified, the project is best adapted to a
comprehensive plan for improving and developing a waterway or waterways for the use or benefit of
interstate or foreign commerce, for the improvement and utilization of water -power development,
and for other beneficial public uses, including recreational purposes.
(14) The amount of the annual charge to be paid under the license for the purpose of reimbursing the
United States for the costs of administration of Part I of the Act is reasonable as hereinafter fixed and
specified.
(15) The installed horsepower capacity of the project hereinafter authorized for the purpose of
computing the capacity component of the administrative annual charge is 951,000 horsepower, and
the energy generated by the constructed developments is used for public utility purposes as will that
generated by the proposed Cowan's Ford development.
(16) In accordance with Section 10 (d) of the Act, the rate of return upon the net investment in the
project, and the proportion of surplus earnings to be paid into and held in amortization reserves, are
reasonable'as hereinafter specified.
(17) The exhibits [*25] designated and described in finding (2) above conform to the Commission's
rules and regulations and should be approved as part of the license for the project subject to the
filing of final design Exhibit L drawings for the Cowan's Ford development and Exhibits F and K for the
entire project as hereinafter provided.
(18) The public interest requires that the Commission reserve the right to order the Applicant to
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, Get a Document - by Citation - 20 F.P.C. 360
Page 9 of 13
install additional generating units in the constructed developments to the extent that such additional
units are economically feasible and after opportunity for hearing.
(19) In order to insure the maximum benefits of the water resources provision shall be made for
coordination of operation of the project with the operations'of other utilities in the area.
(20) It is desirable to reserve for future Commission determination the question of what additional
transmission facilities, if any, should be included in this license.
The Commission orders:
(A) This license is issued to Duke Power Company under Section 4 (e) of the Act for a period of 50
years, effective as of September 1, 1958, for the construction, operation, and maintenance of the
Cowan's Ford development and the [*26] continued operation and maintenance of the constructed
Bridgewater, Rhodhiss, Oxford, Lookout Shoals, Mountain Island, Catawba, Fishing Creek, Great
Falls -Dearborn, Rocky Creek -Cedar Creek, and Wateree developments all of which constitute project
No. 2232, affecting navigable waters of the United States, subject to the terms and conditions of the
Act which is incorporated by reference as a part of this license, and subject to such rules and
regulations as the Commission has issued or prescribed under the provisions of the Act.
(B) This license is also subject to the terms and conditions set forth in Form L-4, December 15, 1953,
entitled "Terms and Conditions of License for Unconstructed Major Project Affecting Navigable Waters
of the United States" (16 F.P.C. 1284), except for Articles 7 and 14 thereof, which terms and
conditions are attached hereto and made a part hereof; and subject to the following special
conditions set forth herein as additional articles:
Article 19. The Licensee shall pay to the United States the following annual charge:
For the purpose of reimbursing the United States for the costs of administration f Part I of the Act,
one (1) cent per horsepower [*27] on the authorized installed capacity (951,000 horsepower) plus
two and one-half (2 1/2) cents per 1,000 kilowatt-hours of gross energy generated by the project
during the calendar year for which the charge is made.
Article 20. The Licensee shall commence construction of the Cowan's Ford development within one
year from the effective date of this license and shall complete the initial installation of three units
within four years of the effective date of this license. Installation of the fourth unit of the Cowan's
Ford development shall be completed within 10 years from the effective date of this license.
Article 21. The Licensee shall file within three years from the effective date of this license for
Commission approval, Exhibits F.and K describing the project lands and showing the project boundary
for all developments, prepared in accordance with the Commission's, rules and regulations.
Article 22. The Licensee shall submit, in accordance with the Commission's rules and regulations, final
design Exhibit L Drawings for the Dowan's Ford development; and the Licensee shall not begin
construction of the project structures of this development until the Commission has approved [*28]
such Exhibit L drawings.
Article 23. The Licensee shall, prior to impounding water in Cowan's Ford reservoir, clear all lands in
the bottom and margin of such reservoir between elevation 760 feet (top of the power pool) and a
plane at elevation 730 feet (5 feet below the bottom of the power pool), and shall cut all trees and
brush within the area below the 730 -foot elevation so that no brush or trees will protrude above
elevation 730; and shall dispose of all temporary structures, unused timber, brush, refuse or
inflammable material resulting from the clearing of the lands or from the construction and
maintenance of the project -works. In addition, all trees along the margin of the reservoir which may
die during the operation of the project shall be removed. The clearing of the lands and the disposal of
the material shall be done with due diligence and to the satisfaction of the authorized representative
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of the Commission.
Page 10 of 13
Article 24. The actual legitimate original cost, estimated where not known, and the accrued
depreciation of the parts of the project completed prior to the effective date of the license shall be
determined by the Commission as of such effective date, in [*29] accordance with the Act and the
rules and regulations of the Commission, and such cost less such accrued depreciation, so
determined, shall be the net investment in the project as of such effective date.
Article 25. The actual legitimate original cost of the parts of the project to be completed after to
effective date of the license, and of any addition to or betterment of the project, shall be determined
by the Commission in accordance with the Act and the rules and regulations of the Commission
thereunder.
Article 26. The Licensee shall to the maximum feasible extent coordinate the operation of its
Catawba-Wateree Project with the systems of Carolina Aluminum Company and Carolina Power &
Light Company, and others with which it may be interconnected, taking into account existing and
future situations as to: amount of regulated flow available at -site and upstream from Wateree
development, generating capacity at hydroelectric and other power plants, and magnitudes and
characteristics of loads to be served not only by the Licensee but also be interconnected electric
utilities; and, the Commission reserves the right, after opportunity for hearing, to order such
coordination [*30] of operations or changes therein as it finds to be economically feasible and in
the public interest, and to require the submission of reports and filing of agreements, contracts, and
other papers relating to the coordination of operations, whenever requested by the Commission or
changes are made or accepted by the Licensee.
Article 27 The Licensee shall at such time and to the extent it is economically feasible to do so, after
notice and opportunity for hearing, install additional generating units in the constructed
developments of the project.
Article 28. The Commission reserves the right to determine at a later date what additional
transmission facilities, if any, shall be included in the license as part of the project works.
Article 29. The Licensee shall cooperate with .the fish and wildlife and pollution control agencies of the
State of North Carolina and the Bureau of Sport Fisheries and Wildife of the U.S. Fish and Wildlife
Service during the period of final planning, project construction, and operation of the Cowan's Ford
Development, and comply with such reasonable modifications of the project structures and operations
to insure the discharge of water of the highest [*31] quality practicably obtainable which would
protect the interest of fish and wildlife conservation, stream sanitation, and other beneficial public
uses, as may hereafter be prescribed by the Commission upon the recommendation of the Secretary
of the Interior and the fish and wildlife and pollution control agencies of the States of North and
South Carolina, after notice and opportunity for hearing and upon a funding based on substantial
evidence that such modifications are necessary and desirable, and consistent with the provisions of
the Federal Power Act: Provided, however, that such modifications shall be reasonably consistent with
the primary purpose of the project and not unduly impair the power value of the project and
provided, further, that any request for modification of project structures be filed with the Commission
not more than six months following the issuance of this license.
Article 30. (i) Pursuant to an agreement between the Licensee and the North Carolina Wildlife
Resources Commission, the Licensee shall keep open for free use by the public a number of public
access areas on each lake not less than the minimum, nor more than the maximum set forth below,
[*32] of a total acreage not less than the minimum, nor more than the maximum set forth below,
together with free public ingress and egress to and from said access areas; Provided, however, that
the maximum number of areas so specified shall not be construed to prevent the Licensee, of its own
volition, from opening additional areas on any lake:
Lake Number of access areas Number of acres to be
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r + A
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Bridgewater
Rhodhiss
Oxford
Lookout Shoals
Mountain Island
Cowan's Ford
Catawba (N.C.)
Catawba (S.C.)
Fishing Creek (S.C.)
Wateree (S.C.)
Tota I
to be provided
Minimum Maximum
Page 11 of 13
provided
Minimum Maximum
5
8
23
30
5
7
8
15
5
5
10
15
1
1
5
5
3
3
5
5
6
10
50
100
3
3
40
50
7
7
40
50
2
2
1 1/2
5
5
8
10
50
42
54
1521/2
275
(ii) The Licensee will, whenever it shall be necessary for ingress and degree to and from the lake or
lakes, permit the public to use company owned roads leading from public roads to the access areas.
(iii) There is reserved to the Licensee the right to move, alter or change the location or boundaries of
any access area or Company road whenever it be comes necessary to do so in order to insure
[*33] full public utilization of the area, or to prevent any noxious or offensive use of any area, or
whenever the land then occupied by such access area or road is needed by the Licensee for the
operation of its public utility business.
(iv) Licensee may lease any access area to a private operator for the purpose of selling food,
confections, gasoline, bait, fishing tackle, marine service, boat berthing and repair services, and like
products and services, and making reasonable charges for same, so long as free public parking, boat
launching and access is provided at the leased area.
(v) The term "access area" as used herein shall include areas at boat launching sites reserved for
parking of automobiles and boat trailers. All access areas on the Licensee's lakes to which the public
is admitted free shall be deemed "public access areas," whether they are maintained wholly by the
Licensee, or by the Licensee in cooperation with the N.C. Wildlife Resources Commission, or other
agency, individual or organization, or leased by the Licensee to a private or public operator.
(vi) Licensee's obligation hereunder shall be limited to furnishing or making available the land for
public access areas [*34] as herein specified, together with a right,of ingress and egress to and
from said land, where ingress and egress is not available over public`foads: Provided, the Licensee
shall not be obligated to construct, maintain or repair any area so furnished, in the absence of an
express agreement to do so between the Licensee and the operator of the access area.
(vii) Licensee will endeavor in good faith to accommodate any future increase in public use of the
project waters by expanding its existing public access areas, or providing new areas, whenever it has
land available for this purpose, irrespective of the maximum figures specified under (i) above:
Provided, that such areas can be furnished consistently with the proper operation of the Licensee's
business.
Article 31. Pursuant to an agreement between the Licensee and North Carolina Stream Sanitation
Committee, North Carolina Wildlife Resources Commission, and North Carolina Board of Conservation
and Development, the Licensee shall make minimum water releases at each development in North
Carolina, subject to the provisions of this article, in the interest of stream sanitation, fish and wildlife
conservation, and other beneficial [*35] public uses, except in cases of emergency and periods
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,Get a Document - by Citation - 20 F.P.C. 360
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` required for necessary repairs to the project works.
Page 12 of 13
(i) Licensee shall, upon completion of the project, discharge a minimum streamflow at all times,
below each development, at a rate set forth in the following schedule:
(ii) Licensee shall increase the discharge from each development, if and when additional water is
required and only for the period required, to maintain the quality standards prescribed by the State
Stream Sanitation Committee of North Carolina, as may be prescribed by the Commission upon the
recommendation of the appropriate State Agency, in an amount sufficient to maintain an average
daily flow below each development, as set forth in the following schedule:
Drainage area,
Minimum con -
Development
square miles
tinuous flow,
C.F.S.
Bridgewater
380
25
Rhodhiss
1,088
40
Oxford
1,310
40
Lookout Shoals
1,449
60
Cowan's Ford
1,770
80
Mountain Island
1,860
80
(ii) Licensee shall increase the discharge from each development, if and when additional water is
required and only for the period required, to maintain the quality standards prescribed by the State
Stream Sanitation Committee of North Carolina, as may be prescribed by the Commission upon the
recommendation of the appropriate State Agency, in an amount sufficient to maintain an average
daily flow below each development, as set forth in the following schedule:
[*36]
(iii) The discharge of water from the developments as prescribed in (i) and (ii) of this article shall
include all water flowing from the development, whether from leakage, spillage, generation, or
otherwise.
(iv) For the purpose of checking compliance with the provisions of (i) -,-;and (ii) of this article, the flows
may be estimated from the operation of the turbines and from estimates of leakage checked by
frequent actual measurements of discharge where pool conditions do not prevent such
measurements.
(v) Licensee shall cooperate with the various State agencies concerned, to develop and establish by
mutual agreement, after adequate study, operational patters or a combination of minimum
discharges together with operational patterns, that will provide benefits equivalent to those which
would accrue from the maintenance of minimum discharges specified under (ii) above.
Article 32. The Licensee shall cooperate with the South Carolina Water Pollution Control Authority to
establish a schedule of minimum daily flow requirements below the developments, which are
mutually agreeable, and shall make such minimum releases at the developments located in South
Carolina in such amounts not to [*37] exceed the minimum average daily flows as set forth in the
following schedule:
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Drainage area,
Minimum aver -
Development
Square miles
age daily flow,
C.F.S.
Bridgewater
380
66
Rhodhiss
1,088
225
Oxford
1,310
261
Lookout Shoals
1,449
278
Cowan's Ford
1,770311
Mountain Island
1,860
4
[*36]
(iii) The discharge of water from the developments as prescribed in (i) and (ii) of this article shall
include all water flowing from the development, whether from leakage, spillage, generation, or
otherwise.
(iv) For the purpose of checking compliance with the provisions of (i) -,-;and (ii) of this article, the flows
may be estimated from the operation of the turbines and from estimates of leakage checked by
frequent actual measurements of discharge where pool conditions do not prevent such
measurements.
(v) Licensee shall cooperate with the various State agencies concerned, to develop and establish by
mutual agreement, after adequate study, operational patters or a combination of minimum
discharges together with operational patterns, that will provide benefits equivalent to those which
would accrue from the maintenance of minimum discharges specified under (ii) above.
Article 32. The Licensee shall cooperate with the South Carolina Water Pollution Control Authority to
establish a schedule of minimum daily flow requirements below the developments, which are
mutually agreeable, and shall make such minimum releases at the developments located in South
Carolina in such amounts not to [*37] exceed the minimum average daily flows as set forth in the
following schedule:
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Get a Document - by Citation - 20 F.P.C. 360
Drainage area, Minimum aver -
Development square miles age daily flow,
C.F.S.
Catawba 3,020 4i1
Fishing Creek 3,810 440
Great Falls -- Dearborn 4,100 444
Rocky Creek -- Cedar Creek 4,360 445
Wateree 4,750 446
Page 13 of 13
Releases of water from the developments under this article shall include all water flowing from the
development, whether from leakage, spillage, generation, or otherwise.
* Article 33. The Licensee shall make available to the Secretary of the Interior or to an institution or
organization satisfactory to him, a sum of money not to exceed $5,000 for archeological salvage.
* Article 33 inserted in this order by order issued Octber 22, 1958.
(C) The exhibits designated and described in finding (2) above are approved as part of this license.
(D) This order shall become final 30 days from the date of its issuance unless application for
rehearing shall be filed as provided in Section 13 (a) of the Act, and failure to file such an application
shall constitute acceptance of this license. In acknowledgment of the acceptance of this license, it
shall be signed- [*38] for the Licensee and returned to the Commission within 60 days from the
date of issuance of this order.
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Citation: 20 F.P.C. 360
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Date/Time: Wednesday, July 2, 2003 - 6:20 PM EDT
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