NC0024406_Temporary Cooling Water Intake Structure_20021213

4F N}ArF9 VE) 'ff V — C yv 1 S Michael F. Easley, Governor
William G. Ross Jr., Secretary
y _7 North Carolina Department of Environment and Natural Resources
> �—� Alan W. Klimek, P.E., Director
O5 Division of Water Quality
December 13, 2002
Ronald E. Lewis
Duke Power Company
Fossil/Hydro Generation Dept.
P.O. Box 1006
Charlotte, North Carolina 28201-1006
Subject: Authorization to Operate
Temporary Cooling Water Intake Structure
NPDES Permit No. NCO024406
Duke Power/Belews Creek Steam Station
Stokes County
Dear Mr. Lewis:
This letter authorizes the operation of a temporary cooling water intake structure at the
existing steam electric. plant. The intake structure will pump water from the Dan River to
Belews Lake, which provides condenser cooling water for the subject facility. In a typical year,
Belews Lake fills in the spring to 724.5 feet msl, then loses 2-4 feet over the summer and fall.
Due to exceptional drought conditions, projections for 2003 indigate Belews Lake may fall
below the minimum spring lake level necessary for continued intake pump operation through
the summer period (i.e., 720 feet msl). The plan proposes to pump lake levels to a minimum of
720 feet msl, up to a maximum of 724.5 feet msl, by end of March 2003.
This pumping plan has been proposed to ensure uninterrupted power production at this base
load facility, while mitigating effects on the aquatic community and downstream users. This
plan has been reviewed by staff of the NC Division of Water Quality (DWQ), NC Division of
Water Resources (DWR), NC Wildlife Resources Commission (WRC), NC Division of Land
Resources (DLR), and the US Army Corp of Engineers. Itis also my understanding that Duke
Power has discussed the proposed temporary pumping plan with downstream municipalities
with water intakes.
The temporary pumping plan is authorized to be implemented with the following operational
and design measures to minimize biological impacts and downstream water supply concerns:
■ Pumping is scheduled to begin in December 2002 and end in March 2003, which
coincides with the historical period of maximum flow in the Dan River, and avoids
the April -May fish spawning period. If water levels in Belews Lake are still below
720 feet msl after this period, Duke Power must request authorization to continue
temporary pumping beyond this date.
■ Pumping will not lower the flow in Dan River below 100 cfs, which is the sum of the
7Q10 flow plus near -field downstream municipal water withdrawals. River flow at
the pumping location will be estimated prior to each daily pumping event.
■ The minimum pumping rate will be 10 cfs (6 MGD), and the maximum pumping
rate will be 100 cfs (65 MGD).
• The Dan River intake pumps will be positioned above the river bottom and have an
approach velocity less than or equal to 0.5 feet/second across screening with mesh
openings of less than 1 cm2 to minimize fish entrainment and impingement.
• The withdrawal location will be near the confluence of the spillway channel below
Belews Lake Dam and the Dan River. This is a scoured bottom area that does not
provide suitable aquatic habitat.
■ The facility will perform routine monthly lake - monitoring during the period of
pumping to assess limnological conditions in Belews Lake.
N. C. Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 [phone]
Customer Service 1 800 623-7748

Page 2 of 2
NC0024406
December 13, 2002
The DWQ recognizes an additional fishery issue associated with this temporary pumping is still
under evaluation, that being the potential for transmittal of a fish virus (i.e., Spring Viremia of
Carp Virus) from the Dan River to Belews Lake. Duke Energy has reported that evidence to
date indicates pumping during winter conditions should minimize potential negative impacts
from this fish virus in Belews Lake. Duke Energy will continue to confer with the WRC on this
issue.
Please be aware that DWQ will continue to evaluate requirements for cooling water intake
structures at this facility on a case-by-case basis, until final rules for existing industrial
facilities are promulgated under Section 316(b) of the Clean Water Act. Final federal actions
are scheduled for February 16, 2004 for Phase II facilities, and June 1, 2006 for Phase III
facilities. Finally, this authorization does not affect the legal requirements to obtain other
permits which may be required by the Division of Water Quality, the Division of Land
Resources, the Coastal Area Management Act, or any other federal or local governmental
permit.
If you have any questions regarding this matter, please contact Tom Belnick at 919-733-5083,
ext 543.
Sin rely
een S lins
Chief, Water Quality Section
cc: Fred Harris, WRC
Bryn Tracy, DWQ
Winston-Salem Regional Office, Water Quality
NPDES File
Central File

Follow-up from Meeting on 11/12/02 - Spring Viremia Conference on 12/3/02-
a
Subject: Follow-up from Meeting on 11/12/02 - Spring Viremia Conference on 12/3/02 -
Date: Wed, 11 Dec 2002 16:01:37 -0500
From: "Ronald E Lewis" <relewisl @duke-energy.com>
To: [e-mail], [e-mail],
[e-mail], [e-mail]
CC: 'David J Coughlan" <[e-mail]>,
"Randolph W Price" <[e-mail]>,
"Jonathan R Wise" <[e-mail]>,
"Michael A Ruhe" <[e-mail]>,
"Mark S Hays" <[e-mail]>, "John S Velte" <j svelte@ duke-energy.com>,
"Tracy L Beer" <[e-mail]> 441 k's
Fred, attached for your review is additional information summarizing the r
conference that Dave Coughlan attended concerning Spring Viremia. Based on �
the information and case studies discussed, the potential for negative SVCV�
related impacts to Belews Lake are minimal.
Tom Belnick and I also discussed this today and we will be conferring again DU
on the phone tomorrow (12/12/02) for agreement with the proposed pumping
plan. We anticipate being ready to test and begin operation of the pumps
next week, if river flow permits.
Please confer with Tom Belnick (919-733-5083ext543) to assist us with
resolving this issue from a Wildlife Resources Commission perspective.
Thanks for your input.
Ron
(See attached file: SVCV_Atl_Conf.doc)
----- Forwarded by Ronald E Lewis/Gen/DukePower on 12/11/2002 03:06 PM
Ronald E Lewis
[e-mail],
11/19/2002 11:28
[e-mail],
AM
Coughlan/Gen/DukePower@DukePower, Randolph W
Jonathan R
Michael A
John S
11/12/02 - Spring
To:
[e-mail]
CQ%JL
state.nc.us,D�pr.
[e-mail] f\�1/
CC: David JIM
Price/Gen/DukePower@DukePower,
Wise/Corp/DukePower@DukePower,
Ruhe/Gen/DukePower@DukePower, Mark S
Hays/DFD/NorthAmerica/EnergyServices@Di
Velte/Gen/DukePower@DukePower
Subject: Follow-up from Meeting on
Viremia in the Dan River
We appreciated the opportunity to meet and discuss the possible presence of
Spring Viremia of Carp Virus (SVCV) in the Dan River with respect to the
proposed pumping plans. As a follow-up to our discussions and questions
concerning the control of SVCV in England, Dave contacted Dr. Barry J.
Hill, who is an expert on SCVC. Dave's attached memo documents his
conversation with Dr. Hill. This additional information appears to further
1 of 2 12/11/02 4:27 PM

Follow-up from Meeting on 11/12/02 - Spring Viremia Conference on 12/3/02 -
support our thoughts that the presence and transmittal of SVCV from Dan
River to Belews Lake associated with the proposed pumping during the winter
period is highly unlikely. Dave is still planning to attend the
conference on SVCV in Atlanta, GA, on December 3, 2002. Following that
meeting, we should be able to confirm our agreement on the pumping
protocol. Please call me at 704-373-5710, if you have questions. Again
your input and suggestions to resolve this issue are appreciated.
(See attached file: SVCV Call to CEFAS.doc)
Name: SVCV _Atl_Conf.doc
F_SVCV Ad Conf.doc Type: Microsoft Word Document (applicati
Encoding: base64
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Name: SVCV Call to CEFAS.doc
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Encoding: base64
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2 of 2 12/11/02 4:27 PM

Date: 12/5/02
To: Ron Lewis
Cc: Duane Harrell
From: Dave Coughlan
RE: SVCV Conference in Atlanta — December 3 & 4
My conversations and interactions with Dr. Rob Bakal (USFWS) and Greg Looney (USFWS
and Chairman of the Robust Redhorse Conservation Committee) greatly facilitated my
invitation to the recent Spring Viremia of Carp Virus (SVCV) conference in Atlanta. While I
was the only utility representative at the meeting, Duke's role in the investigation of the
disease thankfully made me more of a cooperator than a `non -resource agency outsider. As
this memo builds on previous SVCV memos, I have included only new information and
observations from the meeting.
The USFWS invited Dr. Winfried Ahne, University of Munich, to provide a European
perspective on the disease. Dr. Ahne stated that while SVCV shows wide host susceptibility
in vitro (i.e., it infects cell lines of many different species of fish in the laboratory) it really only
impacts the various carp species in nature. In Europe they can detect SVCV in wild fish
although they see no signs of the disease; the disease only manifests itself (causes morbidity
and mortality) in fish farms. Evidently the stress of confinment and culture conditions
predispose susceptible fish to SVCV disease. Additionally, Dr. Ahne stated that large carp
are less susceptible to the disease than juvenile carp.
Dr. Jim Winton, USGS Western Fisheries Research Center in Seattle, discussed work on the
genetic sequencing of the central region of the glycoprotein gene (the most informative region
of the SVCV gene). Sequencing the viral genome has provided information on various
strains of SVCV and helped to understand its evolution (which can be quite fast). This
information helped to explain some of the Wisconsin data presented later at the meeting.
Dr. Andy Goodwin, University of Arkansas at Pine Bluff, described detection methods. SVCV
can only be detected during active infections by viral isolation and subsequent culture
techniques. During non -disease periods a variety of techniques can be employed to find
antibodies to the virus and then confirm their identity. These antibody techniques are not as
robust as the viral techniques due to variations in reagents and the inability of rabbits to make
a uniform grade of antibody. Since most of the work on SVCV to date has been reactionary
(i.e., happening after the disease episodes) investigators have been left to use antibody
techniques with their associated limitations.
Dr. Terry Clark, USDA Animal and Plant Health Inspection Service, described the activities of
Blue Ridge Hatcheries where the NC disease incident took place. The company has a farm
on the upper Dan River in VA where the koi and goldfish are bred, four farms in Stokes
County, NC (on the Big Creek tributary to the Dan River) where the young fish are reared,
and a large distribution facility in Kernersville, NC. In addition to this breeding business the
hatchery routinely receives bait fish from Arkansas for redistribution in this region. Blue Ridge
Hatcheries has convinced the USDA that these two businesses are physically separated and
bait distribution continues despite quarantine of the koi and goldfish facilities.

The real stunning revelations came from Sue Marquenski of the Wisconsin Department of
Natural Resources. She related the May 2002 carp kill in Cedar Lake where an estimated
20,000+ large wild carp died as a result of exposure to an "Asian" strain of SVCV. FYI: The
NC incident was attributed to a "European" strain of SVCV. She then discussed the results of
some Sept. 2002 sampling conducted at several locations in, and downstream from, Cedar
Lake. Numerous samples were positive for SVCV antibodies in Cedar Lake (54/54), the St
Croix River (34/40), and in Pool 10 of the Mississippi River (138/164) so it is quite evident that
SVCV now has access to the entire Mississippi River drainage. Additionally, Sue and her
associates re -investigated historic carp kills in WI by sending embedded histology specimens
to the Centre for Environment, Fisheries, and Aquaculture Sciences (CEFAS) in Weymouth
England. The staff at CEFAS was able to identify SVCV in specimens from a 1989 carp kill
in the Petenwell Flowage on the Wisconsin River. Interestingly, the 1989 virus most closely
matched the "European" strain of SVCV. So it's evident that WI has had SVCV for at least 13
years and the virus was probably introduced at least twice based on the two different strains.
I spoke with Mike Staggs, Chief of Fisheries for the WI Department of Natural Resources,
after the meeting regarding impacts (fish kills or population declines) on native fishes. Mike
and his staff have been unable to identify any negative impacts on native fishes as a result of
possible SVCV exposure.
Information presented in previous memos indicated that the short life span of the virus
outside of fish, the lack of viral particle shedding during winter, the large minimum infective
dose, and the tremendous dilution that would take place in the Dan River and Belews Lake
were all factors minimizing the concern for SVCV to impact Belews Lake. Recent findings
from Europe and WI indicate that SVCV probably only impacts carp, further minimizing the
risk to native cyprinids. The long persistence of SVCV in WI and the variety of strains found
\ there suggest the virus is continually being re -introduced into the waters of the state from
some type of ornamental or aquacultural facility. The existence of SVCV in the Mississippi
River, the largest drainage in the US, would indicate that SVCV should eventually spread
throughout the US.
While there are many scenarios and speculations on what may happen in regards to the Dan
River pumping proposal, an examination of the available research information and case
studies indicates that the potential for negative SVCV related impacts to Belews Lake are
minimal. Further, with the documentation of SVCV in the Mississippi River, any thoughts at
containing the virus appear to have vanished.
Please let me know if I can answer any questions that you might have.

Follow-up from Meeting on 11/12/02 - Spring Viremia in the Dan River I
Subject: Follow-up from Meeting on 11/12/02 - Spring Viremia in the Dan River
Date: Tue, 19 Nov 2002 11:28:52 -0500
From: 'Ronald E Lewis" <relewis1 @duke-energy.com>
To: [e-mail], [e-mail],
[e-mail], [e-mail]
CC: "David J Coughlan" <[e-mail]>,
"Randolph W Price" <[e-mail]>,
"Jonathan R Wise" <[e-mail]>,
"Michael A Ruhe" <[e-mail]>,
"Mark S Hays" <[e-mail]>, "John S Velte" <j svelte@ duke-energy.com>
We appreciated the opportunity to meet and discuss the possible presence of
Spring Viremia of Carp Virus (SVCV) in the Dan River with respect to the
proposed pumping plans. As a follow-up to our discussions and questions
concerning the control of SVCV in England, Dave contacted Dr. Barry J.
Hill, who is an expert on SCVC. Dave's attached memo documents his
conversation with Dr. Hill. This additional information appears to further
support our thoughts that the presence and transmittal of SVCV from Dan
River to Belews Lake associated with the proposed pumping during the winter
period is highly unlikely. Dave is still planning to attend the
conference on SVCV in Atlanta, GA, on December 3, 2002. Following that
meeting, we should be able to confirm our agreement on the pumping
protocol. Please call me at 704-373-5710, if you have questions. Again
your input and suggestions to resolve this issue are appreciated.
(See attached file: SVCV Call to CEFAS.doc)
Name: SVCV Call to CEFAS.doc
SVCV Call to CEFAS.doc Type: Microsoft Word Document (application/msword)
Encoding: base64
Download Status: Not downloaded with message
1 of 1 11/20/02 8:36 AM

Date:
11/14/02
To:
Ron Lewis
Cc:
Duane Harrell
From:
Dave Coughlan
RE:
SVCV Call to CEFAS
As per our discussion with NCWRC and NCDWQ on 11/12/02, 1 contacted the Centre for
Environment, Fisheries, and Aquaculture Sciences (CEFAS) in Weymouth, England on
11/14/02 to learn more about Spring Viremia of Carp Virus (SVCV). I spoke with Dr. Barry J.
Hill, the Office International des Epizooties (OIE) Reference Expert on SVCV. Dr. Hill was
extremely knowledgeable and we had a cordial conversation. My questions, notes from our
conversation, and some information from Wolf (1988) follow.
Q: Does SVCV reside primarily in fish or can it survive indefinitely in the environment?
A: The virus lives and replicates in fish cells; it needs some amount of fish serum to survive
outside the cell for extended periods. The virus cannot survive indefinitely in the
environment, but can last for 2-3 weeks in water, 4-5 weeks in wet mud, and 3 weeks in dry
mud (temperature extremes and solar radiation will greatly shorten the time). Dr. Hill did say
that sunlight is a good disinfectant for SVCV. Thus, unless the virus is being shed during the
winter months (or just prior to the winter months) it is unlikely to be found in the environment
when the proposed pumping will occur. Also, since the Dan River intake pumps will be
effectively screened to prevent fish transfer there is little reason to believe infected fish will
enter Belews Lake.
Q: Is the virus being actively shed at times when no disease is being demonstrated?
A: Most virus particles are being shed (in the feces and urine) when there are signs of clinical
disease and then declines for the next few months after that. Wolf (1988, pg 205) states
..."During outbreaks, and for as much as several months thereafter, virus is shed in fecal
casts and possibly also in urine (references)". Dr. Hill believes that the virus may be present
during winter (the coldest months of the year) in asymptomatic carriers (or some other viral
reservoir) but is not being shed and should have very little chance of being found in the Dan
River.
Q: What is the best way to transmit the virus and is there a minimum effective dose?
A: The best way to get virus into a fish and subsequently express the disease is through
intraperitoneal, intracerebral, or intrapnuematic (swimbladder) injection. These methods
bypass all fish defense mechanisms and barriers; putting the virus in contact with susceptible
fish tissues. Water borne exposure (a bath in a laboratory setting) is less effective and a
minimum infective dose (concentration of plaque forming units (PFU)/m L) must be overcome
to achieve disease. Generally, Wolf (1988, pg. 206) states these dosages are on the order of
several thousand PFU's/mL in laboratory settings.
Q: Can SVCV be controlled?

A: Yes. There are several instances in Great Britain where there have been confirmed
outbreaks of SVCV one year and negative. results for the next several years. Dr. Hill's
thoughts were that control of the original'viral source and the actions of fish immune systems
within the affected water body acted to eliminate the virus.
I discussed the thermal nature of Belews Lake and received an interesting response from Dr.
Hill. The real (severest) pathogenicity of SVCV is expressed in northerly latitudes when carp
experience extremely low winter temperatures in ponds that typically have ice cover.
Evidently, low water temperatures and inactive carp immune system function make the fish
particularly susceptible to SVCV as water temperatures warm. Conversely, fish surviving the
winter at warmer temperatures have a more active'immune system that is better equipped to
mount a defense and eliminate the virus. Certainly, an examination of lower Belews Lake
water temperatures throughout the year would put this into better perspective. At
temperatures above 25 °C Dr. Hill thought it unlikely to see an SVCV disease outbreak. He
stated that .fingerling carp are the most susceptible life stage to SVCV and the peak
temperature for disease expression is 17 °C.
Numerous factors from our conversation tend to make me think less severely about the
potential consequences of SVCV entering Belews Lake and causing devastating harm. First,
it is highly unlikely that the virus is being shed into the water at the cold temperatures, typical
of the Dan River during the proposed winter pumping schedule. Second, any SVCV particles
in the water will have to survive long enough to infect a fish and at an appropriately high dose
to illicit disease. Further confounding this dose issue is the fact that the volume of water in
question will be tremendous. The Dan River will be swelling due to winter and spring rains
while its entry into a very large reservoir will provide further and substantial dilution, lessening
any infective dose. Finally, the thermal nature of lower Belews Lake surface waters will illicit
some amount of activation of carp immune systems during the winter and allow for a more
effective immune response to SVCV. I think the combination of all these factors provide
evidence for a substantive case against any potential negative impacts from SVCV in Belews
Lake.
Please let me know if I can answer any questions that you might have.
Reference
Wolf, K. 1988. Fish viruses and fish viral diseases. Cornell University Press, Ithaca, N.Y.

MEETING AGENDA J�� U�
NOVEMBER 12.2002 4 R
boo
INTRODUCTION
• MEETING ATTENDEES
PURPOSE
Discuss the transmittal of Spring Viremia of Carp Virus (SVCV) found at the Blue Ridge
Hatchery facilities to the Dan .River and pumping of water from the Dan River up to
Belews Lake this winter.
STATUS of SVCV
q
1
• SVCV outbreaks in NC (Blue Ridge Hatchery facilities on the Dan River and
monitoring of wild fish in the adjacent rivers has NOT been able to detect SVCV.
• Blue Ridge Hatcheries depopulated their affected ponds (a small percentage of
those available), drained them, and refilled the ponds within 30 days.
• Sampling of carp and minnows from Belews Lake did not detect SVCV, but that
does not conclusively rule out its possible presence in the lake.
• Stated by the USDA Animal and Plant Health Inspection Service (APHIS) that
SVCV has "...been reported on several occasions in Great Britain, however after
each report the virus has been successfully eradicated".
CONTROL OPTIONS
• Termination of the hatchery stockings will cause the invading virus to be naturally
eliminated.
• Chlorinate hatchery ponds (500 mg chlorine/L for 2 minutes) rather than Dan
River
• In Belews Lake the thermally enhanced nature of the lower portion of the lake
may act to limit the effects of SVCV on wild fish
ACTION ITEMS
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Duke RON LEWIS
®Energy® Environmental Scientist
526 South Church St.
Generation Services Charlotte, NC 28202
Mailing Address:
PO Box 1006
Charlotte, NC 28201-1006
[e-mail]
704,373 5710
www.duke-energi.com pager 8 778 9778
r
North Carolina
Wildlife Resources
Commission
Fred�
A. Harris �(,o��
Chief
Division of Inland Fisheries
1721 Mail Service Center Phone: [phone], ext.275
Raleigh, NC 27699-1721 Fax: [phone]
e-mail: harrisfa a,mail.wildlife state nc lis

Duke
ower.
A Duke Energy Company
October 25, 2002
Mr. Tom Belnick
North Carolina Department of Environment
and Natural Resources
Division of Water Quality
1617 Mail Service'Center
Raleigh NC 27699-1617
W
Duke Power Company
Fossil and Hydro Generation Department
P.O. Box 1006
Charlotte, NC 28201-1006
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Subject: Belews Creek Steam Station (BOSS) — Stokes County
Temporary Withdrawal of Water from Dan River to Belews Lake
Request for Letter of Agreement
Per our recent discussions, you are aware of the impact that the drought is having on the
lake level of Belews Lake. Temporary pumping of water from the Dan River to raise the
lake level of Belews Lake will be necessary to ensure uninterrupted power production by
BCSS in 2003. As we discussed, the proposed pumping plans and site drawing are
enclosed for your review and agreement.
Should you have questions regarding the enclosed information, please call me at (704)
-5710.
373
Sincerely,
Ronald E. Lewis
Scientist, Environmental Health and Safety
Fossil/Hydro Carolinas
cc: Mr. Bryn Tracy — NCDENR Environmental Sciences Branch
1621 Mail Service Center, Raleigh, NC 27699-1621

Page 1 of 3
PROJECT SCOPE FOR TEMPORARY PUMPING FROM DAN RIVER TO BELEws LAKE
\A`
�1®0 P � 0144
Background
Exceptional drought conditions have created low water levels ' Belews Lake, which is
the source of condenser cooling water for Belews Creek Stec Station. As a result of the
low lake levels in early 2002, vortices began to develop aroun e intake pumps. Flow
straighteners were installed at the intake to disrupt the vortices and improve pump
performance. Projections for 2003 indicate Belews, Lake may fall below the minimum
level required for intake pump operation, and the stationwould be inoperable.
Project Objective
The objective of this project is to ensure an adequate water level in Belews Lake to
support generation at Belews Creek Steam Station throughout 2003. Therefore, a
contingency plan has been developed to temporarily pump water from the Dan River to
Belews Lake. The project will be coordinated with regulatory agencies and downstream
users to develop an equitable plan that mitigates effects on the aquatic community and
downstream users. This project is an essential component of Duke's strategic plan to
ensure uninterrupted power production at this base load facility. • `.k ` -
0
Belews Lake Status and Projections
In a typical year, Belews Lake fills in the spring t 724.5 feet msl, loses 2-4 feet over the
summer and fall, and then refills the next spring. In , e ews Lake lost nearly 4 feet
over the summer and fall and received very little replenishment in early 2002. Belews
Lake began 2002 at 720.6 feet msl and rose to 721 feet msl in mid-February. This level
was maintained until mid-April when the elevation began to fall rapidly. Recent rain has
slowed the decline and as of mid-October 2002 the lake elevation was below 718 feet
msl. The lake level is projected to fall below 717 feet msl by the end of 2002.
Elevation 715 feet msl is the minimum suction head level recommended by the condenser
cooling water pump manufacturer. Operation of the pumps below this level could cause
pump failure, which would result in the entire station being offline for an extended
duration. Thus, to offset projected losses during summer and fall of 2003 and prevent the
lake level from falling below 715 feet, the lake would have to fill to at least 720 feet msl
in spring 2003. In the best case scenario, the extended forecast predicts normal rainfall in
MFirst quarter of 2003. However, groundwater and stream flow recovery from these
extreme drought conditions will require several years. Recent rain has improved
conditions and higher lake level projections, but considerable uncertainty remains that
Belews Lake will naturally fill during spring 2003 to an adequate level to ensure
generation throughout 2003.

Page 2 of 3
Proposed Pumping Volume
a
The storage capacity between elevations 715 and 720 feet msl is approximately 16,260
acre-feet. The storage capacity between 715 and 724.5 feet msl is 34,435 acre- ee .
Elevation 720 feet msl is the minimum level the lake must reach too set projected
evaporative losses in '2003. Raising the lake level to 724.5 feet msl would provide
additional margin of error for 2003 and help to ensure adequate level for 2004. For the
proposed 2002-2003 winter pumping period, inflow is assumed to be less than normal
and slightly greater than in 2001. A portion of the water pumped to the lake will
probably be lost to groundwater because the lake level will be elevated above the
groundwater level, but .the amount of loss is difficult to quantify. Assummimg the
pumped volume will be between 20,000 and 40,000 acre-feet, these volumes correspond
to lake level increases of about 5.5 and 8 feet, respectively, including losses to
groundwater.
Proposed Pumping Schedule and Rates
Pumping is scheduled to begin in December 2002, and withdrawals will vary based upon
available river flow. River flow will be determined by either developing a method of
measuring flow near the pumping location or by developing a relationship between river
flow at an upstream USGS gauge and the pumping location. Pumping will not lower the
in -stream flow rates to less than 100 cfs, which is the sum of 7Q10 plus near -field
downstream municipal water withdrawals. Thus, the in -stream flow rate should be
sufficient for NPDES discharges and water withdrawals. The minimum pumping rate
will be 10 cfs, and the maximum pumping rate will be 100 cfs. At the maximum
proposed pumping rate, 101 days would be required to pump 20,000 acre-feet and 152
days would be required to pump 30,000 acre-feet. Currently pumping is anticipated to
end in March 2003 unless the water level in Belews Lake is below 720 feet msl.
Piping and Discharge Information
The proposed withdrawal location is near the confluence of the spillway channel below
'Belews Lake Dam and the Dan River. This area is shown on the Belews Lake USGS.
quadrangle map. When river flow was low in August 2002, the deepest portion of the
river in the vicinity of the proposed water withdrawal location is 7 feet deep by about 10-
15 feet wide. The inlet piping has been designed to be positioned above the river bottom
and to have an approach velocity less than 0.5 ft/s across screening with mesh openings
of less than 1 cm2 to minimize entrainment and impingement. The pumping elevation is
approximately 180 feet and the piping distance is approximately 4,000 feet. Discharge of
water from the pipelines will be to the west of the Belews Lake dam.
Regulatory Interface and Environmental Review
Representatives of the North Carolina Department of Environment and Natural Resources

Page 3 of 3
(NCDENR), North Carolina Wildlife Resources Commission (NCWRC), Army Corps of
Engineers (ACOE) and Duke Energy Corporation began meeting in July 2002 to discuss
environmental permitting concerns and requirements for pumping water _from the Dan
River. Information concerning the proposed volume and timing of water withdrawal will
be registered with the North Carolina Division of Water Resources (NCDWR). This
information is used to coordinate with the ACOE to develop a "Drought Management
Plan" for the Roanoke River Basin. The team meets monthly and has a weekly telephone
conference call.
Based on review of biological studies conducted in the Dan River within the last decade
by Duke Energy and other agencies, the proposed plan to pump water from the Dan River
to Belews Lake should have minimum impact on the aquatic communities. The water
withdrawal site is a scoured area associated with the confluence of the spillway channel
below Belews Lake Dam and the Dan River. Of the few endangered and/or threatened
species that have been noted to occur in the Dan River basin, most are primarily bottom -
dwelling species. The combination of a lack of suitable habitat in the area, the design of
the inlet piping to be above the bottom of the river with approach velocities of less than
0.5 ft/s across 1 cm2 mesh -screening, and the timing of pumping will minimize potential
impact on aquatic communities.
In August 2002 the NCWRC reported the occurrence of Spring Viremia of Carp Virus
(SVCV) in North America that included the Dan River in North Carolina. Humans
cannot contract this virus, so this virus is only a concern for fish. Further investigation to
determine if this virus was present in fish in Belews Lake was initiated at the end of
August 2002 by Duke Energy Corporation in conjunction with NCWRC and the United
States Fish and Wildlife Service (USWFS) lab in Georgia. Blood samples from 25 carp
and approximately 70 whole satinfin shiners from Belews Lake were collected in
September 2002. The samples were prepared for shipment and sent to Dr. Bakal of the
USFWS lab for further processing. The assays on the fish indicated the presence of the
Largemouth Bass Virus, but unlikely that SVCV is present in the Belews Lake fish. A
recent research report in the July 2002 Journal of Aquatic Animal Health noted that the
virus causes disease only at cool temperatures (59°F to 68°F) and is efficiently cleared by
the immune system of fish at higher temperatures. Since Belews Lake is a cooling pond
and water temperatures in the epilimnion of the lake are elevated above these values for
most of the year, this could be preventing the occurrence of this disease in Belews Lake
fish. Further discussions with NCWRC and NCDWQ concerning SVCV are on-going.
The associated Sedimentation Erosion Control Plan for the proposed project was
submitted for review to the North Carolina Division of Land Quality in the Winston-
Salem Regional Office on October 16, 2002. In conjunction with submittal of the plan
for approval, communication of the proposed project within the local community and
nearby downstream water users was initiated.

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PkDuke
Power®
A Duke Energy Company
Temporary Pumping Project
From Dan River to Supplement Belews Lake

Belews Creek Plant Follow-up Questions/Comments
�1(0 q1-1
'Subject: Belews Creek Plant Follow-up Questions/Comments
Date: Wed, 21 Aug 2002 19:47:12 -0400
From: "Ronald E Lewis" <relewis1 @duke-energy.com>
To: [e-mail], [e-mail]
CC: "Jonathan R Wise" <[e-mail]>, "Tracy L Beer" <[e-mail]>,
"Randolph W Price" <[e-mail]>,
"Keith A Finley" <[e-mail]>,
"Shannon L Flowe" <[e-mail]>,
"David J Coughlan" <[e-mail]>
Bryn and Tom, please see below a response to questions. Also I have
requested that Patrick Grogan set up a site visit for next week on 8/27 or
the following week. If this is not possible then we can possibly discuss
by conference call the issues that we have identified or on a one -one
basis.
----- Forwarded by Ronald E Lewis/Gen/DukePower on 08/21/2002 06:16 PM
Tracy L Beer
To: Ronald E
Lewis/Gen/DukePower@DukePower
08/19/2002 cc: Jonathan R
Wise/Corp/DukePower@DukePower
01:41 PM bcc:
Subject: Belews Creek Plant Follow-up
Questions/Comments
Bryn had called Dave at the end of July with questions that he referred to
me. Bryn has more questions about our status. I have not responded.
Tracy Beer, P.E.
Duke Energy - Environmental Engineering
704-373-7890
----- Forwarded by Tracy L Beer/Corp/DukePower on 08/19/2002 01:41 PM -----
Bryn Tracy
<bryn.tracy@n To: [e-mail], Tom Belnick
cmail.net> <[e-mail]>
CC:
08/19/2002 bcc:
11:53 AM Subject: Belews Creek Plant Follow-up
Questions/Comments
A few questions:
1. Have you heard back from the other agencies regarding the
type(s) of studies that may be required? I have not. Tom did get the
response from EPA on 316(b). While we have directed the vendors to
design the pumping system to meet the one-half foot per second and
screen mesh size criteria, we don't think this requires modification
of the Belews' NPDES permit. We do have 316(b) determinations from
previous studies that addressed these issues.
2. Have the flow velocities and mesh size of the intake screens
been decided? If so, how were they decided upon? See question 1
above. The vendor will provide design and size specifications that we
1 of 2 8/22/02 9:37 AM

Belews Creek Plant Follow-up Questions/Comments
will forward upon final vendor selection.
3. Will traveling screens be used? The designs being evaluated do
not include traveling screens.
4. What impact will there be on the lower part of the reservoir if
12-15,000 Ac -ft (or -8% of the reservoir's volume from 715 to 720 ft.
pool level) is pumped from the river into the reservoir? Other than
a plume with suspended clay particles, no major impact is expected.
Will there be any impacts from the greater turbidity and nutrients in
the Dan River once pumped into the clearer and nutrient poor lower
part of the reservoir? Possibly some increase in biological
productivity.
5. What impingement/entrainment studies has DPC conducted on its
other reservoirs and rivers to show that impingement/entrainment is
not an issue? Studies at lake and riverine steam station sites were
conducted and can be provided. Can these studies be duplicated at the
Belews Lake? Similar studies can be conducted if needed.
6. What data will you provide to show there will be no perceived
impact to the biological communities of the river and the reservoir
should the project be approved? We are presently doing literature
reviews for data that supports this request. If data is not
available, then a monitoring plan for data collection will be proposed
as needed.
Please inform Tom or me of your progress with other agencies
recommendations.(See attached file: bryn.tracy.vcf)
Bryn Tracy [e-mail]>
Environmental Biologist III
NC Division of Water Quality
DENR
2 of 2 8/22/02 9:37 AM

Reapplication: Meeting'
7/08/02
Introduction of Attendees
Purpose: Discuss options for maintaining minimum water level in Belews Lake in 2003
and identify permitting requirements
Current Conditions
• First year that Belews Lake has not been at'full pond (724.5 ft-msl) prior to the
summer operation period, since operation began in the 1970's 5'
•' Installing "flow strai hteners" that will enable BCSS to operate CCW pumps at a
level of as low as 15 ft-msl,,
• ' ` Predicted lake level at the end of 2002 will be approximately ,716 ft-msl Sr
• Duke will need the capability to raise the lake level to assure operation of 3C i
in the 2003 summer.y✓zo+�- r6 U"
��
dog` ba) i,n
Options to raise the lake level: t44 }�
Pump water from the
ake
Reroute ash basD
in effluent back toan River othe lake elews L wa 3'`
• Drill water wells and pump water to the lake
Preferred option is to pump water from the Dan River to Belews Lake
• 'More water capacity in the Dan River than in the Ash Basinand aquifer
• Ash basin effluent is currently discharged upstream of suitable intake sites; so no
need to reroute ash basin effluent directly back to Belews Lake
• Permit a temporary or permanent water intake on the Dan River to pump water
into Belews Lake primarily during the historical period of high river flow
(December through February) to raise the lake level to 720 ft-msl.
• Minimum biological impact during the winter period
Identify Needs??
• Capability to pump water by'' December 2002
• Site selection
• Application for Water withdrawal
• Design of Intake (temporary or permanent?)
• Sedimentation Erosion Control Plan
• Construction permit
• 404 Dredge and Fill permit
• Archeological and Historical Preservation survey
• Modification of existing NPDES permit
• Other plans and/or permits?
Action Items?? ;
• Permitting schedule

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(Flow = 1/2 Dan near Wentworth)
----------------------------------------------------------------------------------
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RE: Duke Power-Belues Creek Project
Subject: RE: Duke Power-Belues Creek Project
Date: Tue, 25 Jun 2002 10:17:06 -0400
From: Patrick Grogan <[e-mail]>
To: "'Tom Belnick"' <[e-mail]>
Hey Tom,
I have the meeting set for July 8, 10:00 AM in the and Quality ConfeD-o
room. Please let those people in Water Quality know,
be there. I am still working on ACOE and Wildlife.
If you have any questions just give me a yell.
Thanks,
Patrick Grogan
NC One Stop Permitting
704-799-2987
-----Original Message -----
From: Tom Belnick [mailto:[e-mail]]
Sent: Monday, June 24, 2002 2:09 PM
To: Edythe McKinney; Patrick grogan
Subject: Re: Duke Power-Belues Creek Project
I think you touched on most folks I could think of- Trish MacPherson
(DWQ/ESB),
myself (NPDES), WRC, DWR, USFWS (?), Army Corp of Engineers (possibly for
instream structure?). Dave was wondering if any local governments get
involved
in such issues.
Edythe McKinney wrote:
> Following up on your phone call, I talked to Ron Lewis and he indicated it
> would be helpful if we could set up a meeting with all relevant players to
> discuss their needs, options and identify potential environmental issues.,
I
> will asked Patrick Grogan our One Stop Coordinator to take the lead on
> setting this up. I would appreciate your sending him your ideas on who
> should be included.
> As a minimum we need to have several folks from water quality, water
> resources, wildlife, probably fisheries and I am not sure who else. if
you
> have suggestions as to specific folks and can share that with Patrick we
> will get to work to pull together a meeting. Let me know, if there was
> something further you or Dave felt we should do. Identifying key players
> and have them meet together early in the process seem like a reasonable
> first step.
Mailto:[e-mail]
N.0 DENR-DWQ/NPDES Unit
1617 Mail Service Center, Raleigh NC 27699-1617
Work: [phone] ext. 543
Fax: [phone]
1 of 1 7/8/02 9:21 AM

Duke/Belews Creek Steam Plant
Subject: DukeBelews Creek Steam Plant
• Date: Thu, 20 Jun 2002 10:28:17 -0400
From: Tom Belnick <[e-mail]>
To: relewis1 @duke-energy.com
Hi Ron- I talked with Dave Goodrich about the drought concerns and
investigation of a new intake from the Dan River. Since this potential
activity would involve several DENR Divisions, Dave recommended that I
move your request up to the DENR Customer Service Center, which we've
started to use for coordination of these more complex projects. Edythe
McKinney (919-733-0823) with the CSC will contact you today.
Mailto:[e-mail]
N.0 DENR-DWQ/NPDES Unit
1617 Mail Service Center, Raleigh NC 27699-1617
Work: [phone] ext. 543
Fax: [phone]
1 of 1 6/20/02 10:28 AM

[Fwd: Biological concerns related to Belews]
Subject: [Fwd: Biological concerns related to Belews]
Date: Mon, 17 Jun 2002 08:39:12 -0400
From• Coleen Sullins <Coleen Sullins@ncmail net>
Organization: NC DENR DWQ-Dvl) jr� zhia7
e
To: Tom Belnick <[e-mail]>
- 6t11 Kd 19r400r" ALES ,
Tom - fyi _ wt C.o Olmwy �vW-u1 ice! e �% `°
Subject: Biological concerns related to Belews tw-;+�'� �-qd,•h
Date: Fri, 14 Jun 2002 15:12:21 -0400 o h A moi- ,
From: Dianne Reid <[e-mail]>
To: Michelle Woolfolk <[e-mail]>
CC: Coleen Sullins <[e-mail]>
I spoke with Trish regarding potential impacts of withdrawing water from the Dan River on aquatic life.
There are 3 species that are of concern in this stretch of the river. They are:
• Big eye sucker - Sccutomyzon ariommus - species of special concern in NC
• Orangefin madtom - Noturusilg berti - endangered species in NC
• Riverweed darter - Etheostoma podostemoa - species of special concern in NC
All three are bottom dwellers. Concerns related to the intact would be habitat destruction, velocity of
intake, and location of intake in the water column. Winter (Dec - Feb) withdrawls probably not a problem
if other considerations are addressed.
Trout are put & take above this location in the Dan River.
Supporting material is available from Bryn Tracy on this information.
Dianne
Dianne M. Reid
NC Division of Water Quality
1621 Mail Service Center
Raleigh NC 27699-1621
Location:
4401 Reedy Creek Road
Raleigh, N.C. 27607
Phone - 919.733.6510
Fax - 919.733.9959
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1 of 1 6/17/02 8:41 AM