NCG500129_Regional Office Physical File Scan Up To 6/4/2020

LEPAT MCCRORY
Governor
DONALD R. VAN DER VAART
Secretary
Water Resources S. JAY ZIMMERMAN
ENVIRONMENTAL QUALITY
Director
May 25, 2016
Marcus Pitts
Duke Energy Carolinas, LLC
PO Box 478
Salem, SC 29676
SUBJECT: Compliance Evaluation Inspections
Duke Hydroelectric Facilities.
Permit No(s): NCG500129&NCG500657
Macon& Swain Counties
Dear Mr. Pitts:
Enclosed please find copies of Compliance Evaluation Inspections conducted at Duke Energy's hydroelectric
facilities listed below on 5/12/2016. The purpose of the inspection was to assess these facilities with regard to
best operating practices and the requirements of General Permits for non-contact cooling water.
Facility Name Permit Number Status
Bryson Hydro NCG500129 Compliant
Franklin Hydro NCG500657 Compliant
Please refer to the enclosed inspection report for additional observations and comments. If you or your staff
have any questions, please call me at 828-296-4500.
Sincerely,
�I/V
BeverlylPri* e
Environmental Senior Specialist
Enc.
cc: Melanie Gardner, Duke Energy Carolinas 526 S. Church St. (Mail Code EC13K) Charlotte NC 28202
MSC 1617-Central Files-Basement
Asheville Files
G:\WR\WQ\Macon\Wastewater\General\NCG50 Non-contactTranklin Hydroelectric CEI16.docx
State of North Carolina I Environmental Quality I Water Resources
2090 U.S.Highway 70 Swannanoa,NC 28778
828 296 4500

C
United States Environmental Protection Agency Form Approved.
EPA Washington,D.C.20460 OMB No.2040-0057
Water Compliance Inspection Report Approval expires 6-31-98
Section A:National Data System Coding(i.e.,PCS)
Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type
1 IN 1 2 I5 I 3 I NCG500129 111 12 16/05/12 17 18 19 1 � 1 20 u
I I
21I111 1 1 I I I I II I I 1 I I I I 1 l l l l 1 I I I I I I I I I I II I I 1 1 1 f6
Inspection Work Days Facility Self-Monitoring Evaluation Rating 61 CIA --------------------Reserved------------
671 70 U 71 I I 72 73 I I 174 75I III I I 1180
Section B:Facility Data L_J I I
Name and Location of Facility Inspected(For Industrial Users discharging to POTW,also include Entry Time/Date Permit Effective Date
POTW name and NPDES permit Number)
09:45AM 16/05/12 16/01/19
Bryson Hydroelectric Station
310 Dam Rd Exit Time/Date Permit Expiration Date
Bryson City NC 28713 11:45AM 16/05/12 20/07/31
Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data
Name,Address of Responsible Official/Title/Phone and Fax Number
Contacted
W Marcus Pitts,41 Mountain Farm Ln Tuckasegee NC 28783//864-304-9703/
No
Section C:Areas Evaluated During Inspection(Check only those areas evaluated)
Permit Flow Measurement Operations&Maintenance 0 Records/Reports
Self-Monitoring Program Effluent/Receiving Waters Laboratory
Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary)
(See attachment summary)
Name(s)and Signature(s)of Inspector(s) Agency/Office/Phone and Fax Numbers Date
Beverly Price Division of Water Quality//828-296-45001
Signature of M gement Q A Revie Agency/Office/Phone and Fax Numbers Date /
K.a
EPA Form 3560-3(Rev 9-94)Previous editions are obsolete.
Page# 1

NPDES yr/mo/day Inspection Type 1
31 NCG500129 I11 12 16/05/12 IT 18 ICI
Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary)
The inspection was conducted by Beverly Price of the Asheville Regional Office. Marcus Pitts, Glen
Long, Melanie Gardener and Kourtney Flowe assisted with the inspection.
Page# 2

n
Permit: NCG500129 Owner-Facility: Bryson Hydroelectric Station
Inspection Date: 05/12/2016 Inspection Type: Compliance Evaluation
Permit Yes No NA NE
(If the present permit expires in 6 months or less). Has the permittee submitted a new ❑ ❑ N ❑
application?
Is the facility as described in the permit? N ❑ 1:1 ❑
#Are there any special conditions for the permit? ❑ 0 ❑ ❑
Is access to the plant site restricted to the general public? N ❑ ❑ ❑
Is the inspector granted access to all areas for inspection? 0 ❑ ❑ ❑
Comment: The Certificate of Coverage was renewed and became effective on January 19,2016. The
general permit expires July 31, 2020.The last inspection for this facility was conducted June
15, 2011.
Operations & Maintenance Yes No NA NE
Is the plant generally clean with acceptable housekeeping? ❑ ❑ ❑
Does the facility analyze process control parameters,for ex: MLSS, MCRT, Settleable ❑ ❑ 0 ❑
Solids, pH, DO, Sludge Judge, and other that are applicable?
Comment: The Bryson Station includes two generators and the permittee has noted two outfalls. New
secondary containment has been added around the generating units.
Effluent Sampling Yes No NA NE
Is composite sampling flow proportional? ❑ ❑ N ❑
Is sample collected below all treatment units? 0 ❑ ❑ ❑
Is proper volume collected? ❑ ❑ ❑
Is the tubing clean? ❑ ❑ NEI
#Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees 0 ❑ ❑ ❑
Celsius)?
Is the facility sampling performed as required by the permit(frequency,sampling type M ❑ ❑ ❑
representative)?
Comment: Although the permittee notes two ouffalls, it is difficult to sample each ouffall separately.
Effluent sampling is conducted at one location within the tailrace. There are no chemical
additions during the power generation process so TRC and COD are not monitored.
Upstream/Downstream Sampling Yes No NA NE
Is the facility sampling performed as required by the permit(frequency,sampling type, and 0 ❑ ❑ ❑
sampling location)?
Comment:
Record Keeping Yes No NA NE
Are records kept and maintained as required by the permit? ❑ ❑ ❑
Page# 3

Permit: NCG500129 Owner-Facility: Bryson Hydroelectric Station
Inspection Date: 05/12/2016 Inspection Type: Compliance Evaluation
Record Keeping Yes No NA NE
Is all required information readily available, complete and current? 0 ❑ ❑ ❑
Are all records maintained for 3 years(lab. reg.required 5 years)? ❑ ❑ ❑ ,
Are analytical results consistent with data reported on DMRs? ❑ ❑ ❑
Is the chain-of-custody complete? M ❑ ❑ ❑
Dates,times and location of sampling
Name of individual performing the sampling
Results of analysis and calibration
Dates of analysis
Name of person performing analyses
Transported COCs
Are DMRs complete:do they include all permit parameters? ❑ ❑ 0 ❑
Has the facility submitted its annual compliance report to users and DWQ? ❑ ❑ ❑
(If the facility is=or>5 MGD permitted flow) Do they operate 24/7 with a certified operator ❑ ❑ M ❑
on each shift?
Is the ORC visitation log available and current? ❑ ❑ ❑
Is the ORC certified at grade equal to or higher than the facility classification? ❑ ❑ 0 ❑
Is the backup operator certified at one grade less or greater than the facility classification? ❑ ❑ M ❑
Is a copy of the current NPDES permit available on site? M ❑ ❑ ❑
Facility has copy of previous year's Annual Report on file for review? ❑ ❑ M ❑
Comment: The records were well maintained, orqanized and readily available for review. No limit
violations were noted and monitoring frequencies were correct.
Laboratory Yes No NA NE
Are field parameters performed by certified personnel or laboratory? 0 ❑ ❑ ❑
Are all other parameters(excluding field parameters)performed by a certified lab? M ❑ ❑ ❑
#Is the facility using a contract lab? ❑ M ❑ ❑
#Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees 0 ❑ ❑ ❑
Celsius)?
Incubator(Fecal Coliform)set to 44.5 degrees Celsius+/-0.2 degrees? ❑ ❑ 0 ❑
Incubator(BOD)set to 20.0 degrees Celsius+/-1.0 degrees? ❑ ❑ M ❑
Comment: Duke Energy Carolinas. LLC is certified by the Division to conduct all analyses required by
the permit(Laboratory certifications 248&5193) Field instruments appeared to be properly
calibrated and documented (PH and temperature).
Flow Measurement-Effluent Yes No NA NE
Page# 4

Permit: NCG500129 Owner-Facility: Bryson Hydroelectric Station
Inspection Date: 05/12/2016 Inspection Type: Compliance Evaluation
Flow Measurement- Effluent Yes No NA NE
#Is flow meter used for reporting? ❑ 0 ❑ ❑
Is flow meter calibrated annually? ❑ ❑ 0 ❑
Is the flow meter operational? ❑ ❑ 0 ❑
(If units are separated)Does the chart recorder match the flow meter? ❑ ❑ M ❑
Comment: Flow is calculated based on megawatt output.
Page# 5

PAT4.
M'CCRORY
s'lA � - ti(21i 1l1l1f {
DONAi D R VAN -A
Water Resources
S J e ZIMIVIERMAN
ENVIRONMENTAL QUALITY 7, f
i /.117 ZhU
January 19, 2016
Mr. Steve Cahoon
Duke Energy Carolinas, LLC
410 S Wilmington St
Raleigh, NC 27601
Subject: Renewal of General Permit NCG500000
Bryson Hydroelectric Station
Certificate of Coverage NCG500129
Swain County
Dear Permittee:
The Division has renewed the subject General Permit. We appreciate your patience during the
longer-than-expected renewal period. The Division hereby issues the updated version of Certificate of
Coverage (CoC) NCG500129 under General Permit NCG500000. It is issued pursuant to the requirements
of North Carolina General Statue 143-215.1 and the Memorandum of Agreement between North,,Carolina
and the US Environmental Protection agency dated October 15, 2007 [or as subsequently amended].
If any parts, measurement frequencies or sampling requirements contained in this General Permit
are unacceptable to you,you have the right to request an individual permit by submitting an individual
permit application. Unless such demand is made, the certificate of coverage shall be final and binding.
Please take notice that this Certificate of Coverage is not transferable except after notice to the
Division. The Division may require modification or revocation and reissuance of the certificate of coverage.
Contact the Asheville Regional Office prior to any sale or transfer of the permitted facility
Regional Office staff will assist you in documenting the transfer of this CoC
This permit does not affect the legal requirements to obtain any other State, Federal, or Local
governmental permit that may be required. If you have any questions concerning the requirements of the
General Permit,please contact Charles Weaver of the NPDES staff[919 807-6391 or
[e-mail]].
Sinc rely,
C
r
for S.Jay Zimmerman, Director
Division of Water Resources
cc: !;Asheville Regional Office R,- 1 D
NPDES file Division of Water Resource9
,AN 2 8 241 ►
State of North Carolina Environmental Quality I Water Resources Water ounlity neplonal operations
1617 Mail Service Center I Raleigh,NC 27699-1617 Ashev fic;I it^gbi ,,ai Uftce
919 807 6300 919-807-6389 FAX
http://portal.ncdenr.org/web/wq

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
GENERAL PERMIT NCG500000
CERTIFICATE OF COVERAGE NCG500129
DISCHARGE OF NON-CONTACT COOLING WATER, COOLING TOWER AND BOILER
BLOWDOWN, CONDENSATE, EXEMPT STORMWATER, COOLING WATERS ASSOCIATED
WITH HYDROELECTRIC OPERATIONS, AND SIMILAR WASTEWATERS UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission, and
the Federal Water Pollution Control Act, as amended,
Duke Energy Carolinas, LLC
is hereby authorized to discharge from a facility located at the
Bryson Hydroelectric Station
310 Dam Rd
Whittier
Swain County
to receiving waters designated as Oconaluftee River, a class C-Trout stream in subbasin 04-04-02
of the Little Tennessee River Basin in accordance with the effluent limitations; monitoring
requirements, and other conditions set forth in Parts I, II, III and IV hereof.
This certificate of coverage takes effect January 19, 2016.
This Certificate of Coverage shall remain valid for the duration of the General Permit.
Signed this day January 19, 2016
C
for S,/ y Zimmerman, Director ,
....
Division of Water Resources
By Authority of the Environmental Management Commission
-a
i

C) ALT4
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Resources
Pat McCrory Thomas A.Reeder John E. Skvarla, III
Governor Director Secretary
NOTICE OF RENEWAL INTENT
[Required by 15A NCAC 02H.0127(d)]; [term definition see 15A NCAC 02H.0103(19)]
Application for renewal of existing coverage under General Permit NCG500000
Existing Certificate of Coverage(CoQ: NCG500129
(Press Tab to navigate form)
1) Mailing address of facility owner/operator: (address to which all correspondence should be mailed)
Company Name Duke Energy Carolinas,
Owner Name Steve Cahoon
Street Address 410 S Wilmington St
City Raleigh State N.C. ZIP Code 27601 -
Telephone# [phone] Fax# [phone]
Email Address [e-mail] RECEIVEDIDENROWR
2) Location of facility producing discharge: -JAN 3 0 2015
Facility Name Bryson Hydroelectric Station Water Quality
Permitting Section
Facility Contact W.Marcus Pitts
Street Address 310 Dam Road
City Whittier State NC ZIP Code 28713-
County Swain
Telephone# [phone] Fax# - -
Email Address [e-mail]
3) Description of Discharge:
a) Is the discharge directly to the receiving stream?
® Yes
❑ No—Please submit a site map with the pathway to the potential receiving waters clearly marked. This
includes tracing the pathway of the storm sewer to the discharge point,if the storm sewer is the only
viable means of discharge.
b) Number of discharge outfalls(ditches,pipes, channels, etc. that convey wastewater from the property):
Two
Page 1 of 3

,YCG500000 Renewal Application
c) What type of wastewater is discharged?Indicate which discharge points,if more than one.
® Non-contact cooling water Outfall(s)#: 001,002
❑ Boiler Blowdown Outfall(s)#:
❑ Cooling Tower Blowdown Outfall(s)#:
❑ Condensate Outfall(s)#:
❑ Other Outfall(s)#:
(Please describe"Other"):
d) Volume of discharge per each discharge point(in GPD):
#001: 11,520 GPD #002: 11,520 1 GPD #003: GPD #004: GPD
4) Please check the type of chemical[s] added to the wastewater for treatment,per each separate discharge
point(if applicable, use separate sheet):
❑Chlorine ❑Biocides ❑Corrosion inhibitors ❑Algaecide ❑Other ®None
If a_y box other than None is checked,a completed Biocide 101 Form and manufacturers' information on the
additive must be submitted to the following address for approval:
NC DENR/DWR/Environmental Sciences Section
Aquatic Toxicology Unit
1621 Mail Service Center
Raleigh,NC 27699-1621
5) Is there any type of treatment being provided to the wastewater before discharge?(i.e., retention ponds,
settlingponds, etc.)
❑ Yes-Please include design specifics(i.e., design volume,retention time,surface area,etc.)with submittal
package. Existing treatment facilities should be described in detail.
® No
6) Discharge Frequency:
a) The discharge is: ® Continuous ❑ Intermittent ❑ Seasonal
i) If the discharge is intermittent,describe when the discharge will occur:
ii) If seasonal,check the month(s)the discharge occurs:
❑Jan ❑Feb ❑Mar. ❑Apr ❑May ❑Jun ❑Jul ❑Aug. ❑Sept. ❑Oct. ❑Nov. ❑Dec.
b) How many days per week is there a discharge? Seven
c) Please check the days discharge occurs: ® Sat. ®Sun. ®Mon. ®Tue. ®Wed. ®Thu. ®Fri.
Page 2 of 3

NCG500000 Renewal Application
Additional Application Requirements:
The following information must be included in duplicate [original+ 1 copy] with this application or it
will be returned as incomplete.
➢ Site map. If the discharge is not directly to a stream,the pathway to the receiving stream must
be clearly indicated. This includes tracing the pathway of a storm sewer to its discharge point.
➢ Authorization for representatives. If this application will be submitted by a consulting
engineer(or engineering firm), include documentation from the Permittee showing that the
consultant submitting the application has been designated an Authorized Representative of the
applicant, per 15A NCAC 02H.0138(b)(1).
CERTIFICATION
I certify that I am familiar with the information contained in this application and that to the best of my
knowledge and belief such information is true,complete,and accurate.
Printed Name of Person Signing: Randy C.Herrin Title: GM III Regional Fleet
(Please review 15A NCAC 02H.0106(e)for authorized signing officials)
'4�z
1
Click here to enter a dale.
Signature of Aiim Date Signed
North Carolina General Statute§ 143-215.613 provides that:
Any person who knowingly makes any false statement representation, or certification in any application, record,
report, plan, or other document filed or required to be maintained under this Article or a rule implementing this
Article;or who knowingly makes a false statement of a material fact in a rulemaking proceeding or contested case
under this Article;or who falsifies,tampers with,or knowingly renders inaccurate any recording or monitoring device
or method required to be operated or maintained under this Article or rules of the Commission implementing this
Article, shall be guilty of a Class 2 misdemeanor which may include a fine not to exceed ten thousand dollars
($10,000). 18 U.S.C. Section 1001 provides a punishment by a fine or imprisonment not more than 5 years,or both,
for a similar offense.
This Notice of Renewal Intent does NOT require a separate fee.
The permitted facilit already an annual fee for coverage under NCG500000.
Mail the original and one copy of the entire package to:
NC DENR/DWR/Water Permitting Section
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
Attn: Charles Weaver
Page 3 of 3

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United States Environmental Protection Agency
Form Approved.
EPA Washington,D.C.20460 OMB No.2040-0057
Water Compliance Inspection Report Approval expires 8-31-98
Section A:National Data System Coding(i.e.,PCS)
Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type
1 IN 1 2 15 I 3 I NCG500129 I11 12 76/07/04 17 18 I�j 19 I C I 201
21111111111111111111111111111111111111111111 �6
Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA --------------------Reserved-------------
67 70 lI—I I 71 L
L] 72 L r, � 73I I I74 75I I I I I I I I80
Section B:Facility Data J L_I-1
Name and Location of Facility Inspected(For Industrial Users discharging to POTW,also include Entry Time/Date Permit Effective Date
POTW name and NPDES permit Number)
76/07/04 16/01/19
Bryson Hydroelectric Station
310 Dam Rd Exit Time/Date Permit Expiration Date
Bryson City NC 28713 20/07/31
Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data
Name,Address of Responsible Official/Title/Phone and Fax Number
Contacted
W Marcus Pitts,41 Mountain Farm Ln Tuckasegee NC 28783H864-304-9703/
No
Section C:Areas Evaluated During Inspection(Check only those areas evaluated)
Permit Flow Measurement Operations&Maintenance 0 Records/Reports
Self-Monitoring Program Effluent/Receiving Waters Laboratory
Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary)
(See attachment summary)
Name(s)and Signature(s)of Inspector(s) Agency/Office/Phone and Fax Numbers Date
Beverly Price Division of Water Quality//828-296-4500i
Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date
EPA Form 3560-3(Rev 9-94)Previous editions are obsolete.
Page# 1
k

NPDES yr/mo/day Inspection Type 1
31 NCG500129 I11 12 76/07/04 17 18 i c
Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary)
DA
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Page# 2

Permit: NCG500129 Owner-Facility: Bryson Hydroelectric Station
Inspection Date: 07/04/1976 Inspection Type: Compliance Evaluation
Permit Yes No NA NE
(If the present permit expires in 6 months or less). Has the permittee submitted a new ❑ ❑ 14 ❑
application?
Is the facility as described in the permit?C0( 4 M.Z art A&L ❑ ❑ ❑
#Are there any special conditions for the permit? pol ti v — ❑ ro
Aj ❑ ❑
Is access to the plant site restricted to the general public? C&k,L - ❑ ❑ ❑
Is the inspector granted access to all areas for inspection? ilk ©ACT"" ❑ ❑ ❑
Comment: ►-�5 - v��P � -! `lr
Operations & Maintenance Yes No NA NE
Is the plant generally clean with acceptable housekeeping? ❑ ❑ ❑
Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable ❑ ❑ IV ❑
Solids, pH, DO, Sludge Judge, and other that are applicable?
Comment:
Effluent Sampling Yes No NA NE
Is composite sampling flow proportional? ❑ ❑ [ ] ❑
Is sample collected below all treatment units? ❑ ❑ ❑
Is proper volume collected? I t_ �r ® � ❑ ❑ El
Is the tubing clean? ❑ ❑ 14 ❑
#Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees ] ❑ ❑ ❑
Celsius)?
Is the facility sampling performed as required by the permit(frequency,sampling type ❑ ❑ ❑
representative)? Octomment: ,'ova nod �'�' � �w. + - Al I a0`'T
Upstream/Downstream Sampling Yes No NA NE
Is the facility sampling performed as required by the permit(frequency,sampling type, and ❑ ❑ ❑
sampling location)?
Comment:
Record Keepinq Yes No NA NE
Are records kept and maintained as required by the permit? 14 ❑ ❑ ❑
Is all required information readily available,complete and current? 10 ❑ ❑ ❑
Are all records maintained for 3 years(lab. reg. required 5 years)? 10 El ❑ ❑
Are analytical results consistent with data reported on DM Rs? ❑ ❑ )0 ❑
Page# 3

Permit: NCG500129 Owner-Facility: Bryson Hydroelectric Station
Inspection Date: 07/04/1976 Inspection Type: Compliance Evaluation
Record Keeping Yes No NA NE
Is the chain-of-custody complete? ❑ ❑ ❑
Dates, times and location of sampling � )
Name of individual performing the sampling
Results of analysis and calibration
Dates of analysis
Name of person performing analyses
Transported COCs A
Are DMRs complete:do they include all permit parameters? ❑ ❑ rA El
Has the facility submitted its annual compliance report to users and DWQ? ❑ ❑ [ ❑
(If the facility is=or>5 MGD permitted flow) Do they operate 24/7 with a certified operator ❑ ❑ ❑
on each shift?
Is the ORC visitation log available and current? ❑ ❑ ❑
Is the ORC certified at grade equal to or higher than the facility classification? ❑ ❑ [V ❑
Is the backup operator certified at one grade less or greater than the facility classification? ❑ ❑ IV ❑
Is a copy of the current NPDES permit available on site? ® ❑ ❑ ❑
Facility has copy of previous year's Annual Report on file for review? /❑` ❑ 0 ❑
Comment:
Laboratory . Yes No NA NE
Are field parameters performed by certified personnel or laboratory? ❑ ❑ ❑
Are all other parameters(excluding field parameters)performed by a certified lab? 'f ❑ ❑ ❑
#Is the facility using a contract lab? ❑ ru ❑ ❑
#Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees ❑ ❑ ❑
Celsius)?
Incubator(Fecal Coliform)set to 44.5 degrees Celsius+/-0.2 degrees? ❑ ❑ ❑
Incubator(BOD)set to 20.0 degrees Celsius+/-1.0 degrees? ❑ ❑ ] ❑
Comment: NC ll L N R -Lo- v�ci)
C
Flow Measurement- Effluent P Yes No NA NE
#Is flow meter used for reporting? Sri T ` 'C .Su.pPoj ❑ 0 ❑ ❑
Is flow meter calibrated annually? ❑ ❑ [A ❑
Is the flow meter operational? ❑ ❑ [ ❑
(If units are separated) Does the chart recorder match the flow meter? ❑ ❑ [K ❑
Comment: ROW (�� • �Da� IJy�,� ®��,Ai�"
Q Page# 4

Permit: NCG500129 Owner-Facility: Bryson Hydroelectric Station
Inspection Date: 07/04/1976 Inspection Type: Compliance Evaluation
Flow Measurement- Effluent Yes No NA NE
Page# 5

A72
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Charles Wakild, P.E. Dee Freeman
Governor Director Secretary
August 3, 2012
Mr.Allen Stowe,Jr.
Duke Energy Corporation
526 South Church Street/EC 13K
Charlotte,NC 28202
Subject: Renewal of coverage/General Permit NCG500000
Bryson Hydroelectric Station
Certificate of Coverage NCG500129
Swain County
Dear Permittee:
In accordance with your renewal application[received on January 27,2012],the Division is renewing
Certificate of Coverage (CoC)NCG600129 to discharge under General Permit NCG500000. This CoC is
issued pursuant to the requirements of North Carolina General Statue 143-215.1 and the Memorandum of
Agreement between North Carolina and the US Environmental Protection agency dated May 9, 1994[or as
subsequently amended].
If any parts,measurement frequencies or sampling requirements contained in this General Permit
are unacceptable to you,you have the right to request an individual permit by submitting an individual
permit application. Unless such demand is made,the certificate of coverage shall be final and binding.
Please take notice that this Certificate of Coverage is not transferable except after notice to the
Division. The Division may require modification or revocation and reissuance of the certificate of coverage.
Contact the Asheville Regional Office prior to any sale or transfer of the permitted facility.
Reaional Office staff will assist you in documenting the transfer of this CoC
This permit does not affect the legal requirements to obtain other permits which may be required by
the Division of Water Quality or permits required by the Division of Land Resources, Coastal Area
Management Act or any other Federal or Local governmental permit that may be required.
If you have any questions concerning the requirements of the General Permit,please contact John
Hennessy[919 807-6377 or [e-mail]].
!mcer y
for Charles Wakild,P.E.
cc: Ashoville Regional Office/Surface Water Protection'
NPDES:file
1617 Mail Service Center,Raleigh,North Carolina 27699-1617 t N
512 Noah Salisbury Street,Raleigh,North Carolina 27604
Phone: [phone]/FAX [phone]/Internet;www.ncwaterquality.org
An Equal Opportunity/Affirmative Action Employer-50%Recycled110%Post Consumer Paper

i
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NCG500000
CERTIFICATE OF COVERAGE NCG500129
TO DISCHARGE NON-CONTACT COOLING WATER, COOLING TOWER AND
BOILER BLOWDOWN, CONDENSATE AND SIMILAR WASTEWATERS UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1,other lawful standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission,and I
the Federal Water.Pollution Control Act,as amended,
Duke Energy Corporation
i
is hereby authorized to discharge Hydroelectric Dam Sumps & Non-contact Cooling Water
from a facility located at
l_
Bryson Hydroelectric Station
Dam Road Off U.S. Hwy 19
Franklin
Swain County
to receiving waters designated as the Oconaluftee River in subbasin 04-04-02 of the Little
Tennessee River Basin in accordance with the effluent limitations, monitoring
requirements, and other conditions set forth in Parts-I, II, III and IV hereof.
This Certificate of Coverage shall become effective August 3, 2012.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
i
Signed this day August 3, 2012
. I
for C r Wakild, Director
Division of Water Quality
L

NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Charles Wakild, P.E. Dee Freeman,
Governor Director Secretary
August 3, 2012
Mr.Allen Stowe, Jr.
Duke Energy Corporation
526 South Church Street/EC 13K
Charlotte, NC 28202
Subject: Renewal of coverage/General Permit NCG500000
Bryson Hydroelectric Station
Certificate of Coverage NCG500129
Swain County
Dear Permittee:
The Division is renewing Certificate of Coverage (CoC) NCG500129 to discharge under NPDES
General Permit NCG500000. This CoC is issued pursuant to the requirements of North Carolina General
Statue 143-215.1 and the Memorandum of Agreement between North Carolina and the US Environmental
Protection agency dated October 15, 2007 [or as subsequently amended].
If any parts, measurement frequencies or sampling requirements contained in this General Permit
are unacceptable to you, you have the right to request an individual permit by submitting an individual
permit application. Unless such demand is made, the certificate of coverage shall be final and binding.
Please take notice that this Certificate of Coverage is not transferable except after notice to the
Division. The Division may require modification or revocation and reissuance of the certificate of coverage.
Contact the Asheville Regional Office prior to any sale or transfer of the permitted facility.
Regional Office staff will assist you in documenting the transfer of this CoC.
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 Actor any other Federal or Local governmental permit that may be required.
If you have any questions concerning the requirements of the General Permit,please contact John
Hennessy [919 807-6377 or [e-mail]].
Sincerely,
Original signed by John Hennessy
for Charley Wdkild, P:E
cc: Asheville Regional Office/Surface Water Protection NPDES file
i � I
�� 20,
a
1617 Mail Service Center,Raleigh,North Carolina 27699-1617 i
512 North Salisbury Street,Raleigh,North Carolina 27604 VV A TE i r 1111 I ry "-opt
Phone: [phone]/FAX [phone]/Internet:www.ncwaterquality,org1OrtLCa 01111a
.. ;Vdtura!!r�
An Equal Opportunity/Affirmative Action Employer-50%Recycled/10%Post Consumer Paper

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NCG500000
CERTIFICATE OF COVERAGE NCG500129
TO DISCHARGE NON-CONTACT COOLING WATER, COOLING TOWER AND
BOILER BLOWDOWN, CONDENSATE AND SIMILAR WASTEWATERS UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission, and
the Federal Water Pollution Control Act, as amended,
Duke Energy Corporation
is hereby authorized to discharge Hydroelectric Dam Sumps & Non-contact Cooling Water
from a facility located at
Bryson Hydroelectric Station
Dam Road Off U.S. Hwy 19
Franklin
Swain County
to receiving waters designated as the Oconaluftee River in subbasin 04-04-02 of the Little
Tennessee River Basin in accordance with the effluent limitations, monitoring
requirements, and other conditions set forth in Parts I, II, III and IV hereof.
This Certificate of Coverage shall become effective August 3, 2012.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day August 3, 2012
Original si ned by John Hennessy
for Charles Wakild, Director
Division of Water Quality
By Authority of the Environmental Management Commission

t�/)
FOR AGENCY USE ONLY
Date Received
Division of Water Year Month Da
Quality/Water Quality Section
.ertrr+rrr �� Certificate of Covera re
NCDENRNational Pollutant Discharge Elimination System N CheckI Amount
-'k.W 1 Ci OLINA DEPW EV7 QF
FNvinoNMFNT Aso WruRN,RF&TJRCFA
NCG500000 Permit Assigned to
NOTICE OF INTENT
National Pollutant Discharge Elimination System application for coverag under Cenera(l Pelrmlt" -
NCG500000: Non-contact cooling water, boiler blowdown, cooling tower o d6vn��olt`der�sa4, a6
similar point source discharges
(Please rent p or type) '` L MAR '" 5 201Z
}
1) Mailing address'of owner/operator: �t
Company Name Duke Energy Carolinas,LLC WATER QUALITY SECTION
s �. _ (,Ig1IAL OFFICE '
Owner Name Allen Stowe-Water Management y
Street Address 526 South Church Street,Interoffice-EC13K
CityCharlotte
State N.C. ZIP Code 28202
Telephone No. (704) 382-4309 Fax: [phone]
*Address to which all permit correspondence will be mailed
2) Location of facility producing discharge:
Facility Name Bryson Hydroelectric Station
Facility Contact Gary Morgan
Street Address 310 Dam Road
City Whittier State NC ZIP Code 28713
County Swain
Telephone No. 828 369-4605 Fax: NIA
3) Physical location information:
Please provide a narrative description of how to get to the facility(use street names, state road numbers,
and distance and direction from a roadway intersection). From Dillsboro: Take Hwy 74 West to Exit 72 to Whittier(10 miles),
Merge onto Hwy 19A. Follow to stop sign a(Hwy 19 and Hwy 19A intersection. Turn right;go 0.1 miles,turn right on gravel road. Plant at end of road.
(A copy of a county map or USGS quad sheet with facility clearly located on the map is required to be submitted with this application)
4) This NPDES permit application applies to which of the following
❑ New or Proposed
❑ Modification
Please describe the modification:
8 Renewal
Please specify existing permit number and original issue date:
5) Does this facility have any other NPDES permits?
B No
❑ Yes
If yes, list the permit numbers for all current NPDES permits for this facility:
6) What is the nature of the business applying for this permit? Electric Generation
Page 1 of 4 04/05

NCG600000 N.O.I.
7) Description of Discharge:
a) Is the discharge directly to the receiving water? B Yes ❑ No
If no, submit a site map with the pathway to the potential receiving waters clearly marked. This
includes tracing the pathway of the storm sewer to the discharge point, if the storm sewer is the only
viable means of discharge.
b) Number of discharge points(ditches, pipes,channels, etc.that convey wastewater from the
property): One
c) What type of wastewater is discharged? Indicate which discharge points, if more than one.
8 Non-contact cooling water Discharge point(s)M 001
❑ Boiler Blowdown Discharge point(s)#:
❑ Cooling Tower Blowdown Discharge point(s)M
❑ Condensate Discharge point(s)#:
❑ Other Discharge point(s)M
(Please describe"Other")
d) Volume of discharge per each discharge point(in GPD):
#1: 11,520 #2: #3: #4
e) Please describe the type of process (i.e., compressor, A/C unit, chiller, boiler, etc.)the wastewater is
being discharged from, per each separate discharge point(if applicable, use separate sheet):_
Hydroelectric generator
8) Please check the type of chemical added to the wastewater for treatment, per each separate discharge
point(if applicable, use separate sheet):
❑ Biocides Name: Manuf.:
❑ Corrosion inhibitors Name: Manuf.:
❑ Chlorine Name: Manuf.:
❑ Algaecide Name: Manuf.:
❑ Other Name: Manuf.:
8 None
9) If any box in item (8)above, other than none,was checked, a completed Biocide 101 Form and
manufacturers' information on the additive is required to.be submitted with the application for the
Division's review.
10) Is there any type of treatment being provided to the wastewater before discharge(i.e., retention ponds,
settling ponds, etc.)? ❑ Yes 8 No
If yes, please include design specifics (i.e., design volume, retention time, surface area, etc.)with
submittal package. Existing treatment facilities should be described in detail. Design criteria and
operational data(including calculations) should be provided to ensure that the facility can comply with the
requirements of the General Permit. The treatment shall be sufficient to meet the limits set by the
general permits.
Note: Construction of any wastewater treatment facilities requires submission of three (3) sets
of plans and specifications along with the application. Design of treatment facilities
must comply with the requirements of 15A NCAC 2H .0138. If construction applies to
this discharge, include the three sets of plans and specifications with this application.
Page 2 of 4 04/05

NCG500000 N.O.I.
11) Discharge Frequency:
a) The discharge is: 8 Continuous ❑ Intermittent ❑ Seasonal❑
i) If the discharge is intermittent, describe when the discharge will occur:
ii) If seasonal check the month(s)the discharge occurs: ❑ Jan. ❑ Feb. ❑ Mar. ❑ Apr.
❑ May ❑ Jun. ❑ Jul. ❑ Aug. ❑ Sept. ❑ Oct. ❑ Nov. ❑ Dec.
b) How many days per week is there a discharge? Seven
c) Please check the days discharge occurs:
8 Sat. B Sun. 8 Mon. 8 Tue. B Wed. 8 Thu. 8 Fri.
12) Pollutants:
Please list any known pollutants that are present in the discharge, per each separate discharge point(if
applicable, use separate sheet):
13) Receiving waters:
a) What is the name of the body or bodies of water(creek, stream, river, lake, etc.)that the facility
wastewater discharges end up in? If the site wastewater discharges to a separate storm sewer
system (4S), name the operator of the 4S (e.g. City of Raleigh). Oconaluftee River
b) Stream Classification: HQW,TR,C
14) Alternatives to Direct Discharge:
Address the feasibility of implementing each of the following non-discharge alternatives
a) Connection to a Municipal or Regional Sewer Collection System Not Available
b) Subsurface disposal(including nitrification field, infiltration gallery, injection wells, etc.) Too much flow
c) Spray irrigation Not justifiable, no significant thermal gradient or pollutant load
The alternatives to discharge analysis should include boring logs and/or other information indicating that
a subsurface system is neither feasible nor practical as well as written confirmation indicating that
connection to a POTW is not an option. It should also include a present value of costs analysis as
outlined in the Division's"Guidance For the Evaluation of Wastewater Disposal Alternatives".
15) Additional Application Requirements:
For new or proposed discharges,the following information must be included in triplicate with this
application or it will be returned as incomplete.
a) 7.5 minute series USGS topographic map(or a photocopied portion thereof)with discharge location
clearly indicated.
b) Site map, if the discharge is not directly to a stream, the pathway to the receiving stream must be
clearly indicated. This includes tracing the pathway of a storm sewer to its discharge point.
c) If this application is being submitted by a consulting engineer(or engineering firm), include
documentation from the applicant showing that the engineer(Or firm)submitting the application has
been designated an authorized Representative of the applicant.
d) Final plans for the treatment system (if applicable). The plans must be signed and sealed by a North
Carolina registered Professional Engineer and stamped-"Final Design-Not released for construction".
Page 3 of 4
04/05

NCG500000 N.O.I.
e) Final specifications for all major treatment components(if applicable). The specifications must be
signed and sealed by a North Carolina registered Professional Engineer and shall include a narrative
description of the treatment system to be constructed.
I certify that I am familiar with the information contained in this application and that to the best of my
knowledge and belief such information is true, complete, and accurate.
Printed Name of Person Signing: Carol S.Goolsby
Title: -Vac . Pr .widen , Hydro Fleet
(Signature of Applicant) (Date Signed)
North Carolina General Statute 143-215.6 b(1) provides that:
Any person who knowingly makes any false statement, representation, or certification in any
application, record, report, plan or other document filed or required to be maintained under Article 21
or regulations of the Environmental Management Commission implementing that Article, or who
falsifies, tampers with or knowingly renders inaccurate any recording or monitoring device or method
required to be operated or maintained under Article 21 or regulations of the Environmental
Management Commission implementing that Article, shalt be guilty of a misdemeanor punishable by
a fine not to exceed $25,000, or by imprisonment not to exceed six months, or by both. (18 U.S.C.
Section 1001 provides a punishment by a fine of not more than $25,000 or imprisonment not more
than 5 years, or both,for a similar offense.)
Notice of Intent must be accompanied by a check or money order for$100.00 made payable to:
NCDENR
Mail three(3)copies of the entire package to:
NPDES Permits Unit
Division of Water Quality
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Final Checklist
This application will be returned as incomplete unless all of the following items have been
included:
B Check for$100 made payable to NCDENR
8 3 copies of county map or USGS quad sheet with location of facility clearly marked on map
B 3 copies of this completed application and all supporting documents
❑ 3 sets of plans and specifications signed and sealed by a North Carolina P.E.
8 Thorough responses to items 1-7 on this application
B Alternatives analysis including present value of costs for all alternatives
Note
The submission of this document does not guarantee the issuance of an NPDES permit
Page 4 of 4 04/05

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PDVDuke Duke Energy Corporation
Energy® 526 South Church St.
Charlotte, NC 28202
January 29,2007 Mailing Address..
..
Charlotte,:NC 28201 ]006
Mr. Charles Weaver
State of North Carolina iY=fl
Department of Environment and Natural Resources f` 5 '
Division of Water Quality
Point Source Branch FED .. , 2007 /
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
WATER QUALITY SECTIOrd 3
ASI iE!/ILLF REGIQI 1,^",l.t; I-!ti E_. ..... .,_....._A.......rZiCE
Subject: , Duke Energy Carolinas, LLC—NPDES Per lt. �':1'icafiori
Renewal of NPDES General Permit-#NC00�R
Bear Creek Hydroelectric Plant—NCG500124
Bridgewater Hydroelctric Plant—NCG600102
Bryson Hydroelectric Plant-NCG500129
Cedar Cliff Hydroelctric Plant—NCG500125
Cowans Ford Hydroelectric Plant—NCG500139
Lookout Shoals Hydroelectric Plant—NCG500120
Mission Hydroelectric Plant—NCG500128
Mountain Island Hydroelectric Plant—NCG500131
Nantahala Hydroelectric Plant—NCG500136
Oxford Hydroelectric Plant—NCG500119
Rhodhiss Hydroelectric Plant—NCG500108
Tennessee Creek Hydroelectric Plant—NCG600123
Thorpe Hydroelectric Plant—NCG600127
Tuckasegee Hydroelectric Plant—NCG500126
Facility Duke Energy Environmental Telephone Number
Contact
Bear Creek Marcus Pitts 864 847-3054
Bridgewater- Nob Zalme 704 645-2706
Bryson Marcus Pitts 864 847-3054
Cedar Cliff Marcus Pitts 864 847-3054
Mission Marcus Pitts 864 847-3054
Tennessee Creek Marcus Pitts 864 847-3064
Nantahala Marcus Pitts 864 8 - 05
Rhodhiss Nob Zalme 704 645-2706
Tuckasee ee Marcus Pitts 864 847-3064
Tuxedo Steve Hodges 828 657-2339
Thorpe Marcus Pitts 864)847-3054

Y3r
c

Michael F.Easley,Governor
Q William G.Ross Jr.,Secretary
North Carolina Department of Environment and Natural Resources
rAlan W.Klimek,P.E. Director
C3 ,C
Division of Water Quality
Asheville Regional Office
SURFACE WATER PROTECTION
January ,26 2007
Mr. Allen Stowe
Duke Energy Corporation
Mail Code EC13K
Post Office Box 1006
Charlotte, North Carolina 28201-1006
SUBJECT: Compliance Evaluation Inspection
Bryson Hydroelectric Plant
Permit No: NCG500129
Swain County
Dear Mr. Stowe:
. Enclosed please find a copy of the Compliance Evaluation Inspection form from
the inspection conducted on January 24, 2007. Mr. Larry Frost and I of the Asheville
Regional Office conducted the Compliance Evaluation Inspection. The facility was found
to be in Compliance with permit NCG500129.
Please refer to the enclosed inspection report for additional observations and
comments. If you or your staff have any questions, please call me at [phone].
Sin y
Keith Hay es
Environmental Specialist
Enclosure
cc: Marcus Pitts, Lee Steam Station, P.O Box 366, Pelzer, SC 29669
Central Files
NPDES Unit
Asheville Files -
NorthCarolina
Alaturally
2090 U.S.Highway 70, Swannanoa, NC 28778 Telephone: [phone] Fax: [phone] Customer Service 1 877 623-6748

United States Environmental Protection Agency
EPA Washington,D.C.20460 Form Approved.
OMB No.2040-0057
Water Compliance Inspection Report Approval expires 8-31-98
Section A: National Data System Coding (i.e., PCS)
Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type
1 I_I 2 3I icr31-i0',2S'i I11 121 O;i0.1.124 117 18IIL
191_-1 20 L I
21I11111111111 Remarks
111111111111111111111111111111111116
Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 CA ---------------------------Reserved----------------------
67I 169 70I I 71 I I 72I_,t I 73 L 174 751 I I I I I I 180
Section B: Facility Data u_1
Name and Location of Facility Inspected(For Industrial Users discharging to POTW,also include Entry Time/Date Permit Effective Date
POTW name and NPDES permit Number)
0...
),;
D._nz Rd Off t;s tt:vy 1.9 Exit Time/Date Permit Expiration Date
09:1i At? 0'7101./ 4 u., „ ,'t_.
Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data
Name,Address of Responsible Offidal/Title/Phone and Fax Number
Stowe,Ma 1 Code Ed1.3k — Duke P:ie:rg l Contacted
1 ...,�,. ,-:, cat:ioi ._�zirin,.1<<. :IC
Ves
Section C: Areas Evaluated During Inspection(Check only those areas evaluated)
Permit Operations&Maintenance,N Records/Reports Self-Monitoring Program
Facility Site Review
Section D: Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary)
(See attachment summary)
Name(s)and Signature(s)of Inspector(s) Agency/Office/Phone and Fax Numbers Date
;., ,.:_
...Jx. 9.;0u L:x;.�tt:.,8; � � `f'
WQ.r,,,.
Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date
Rr' AYI'v'i.c; ��
A1t(, Niyil;s:.'.',3-- 'SiE .11::Oli ]':'F•t. j`'.'`-)J
EPA Form 3560-3(Rev 9-94)Previous editions are obsolete.
Page# 1

NPDES yr/mo/day Inspection Type (cont. 1
3I L;,:G,;_r) 2 9 I11 12I I17 18
Section D: Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary)
Duke Energy's Bryson Hydroelectric Powerhouse consists of the dam, powerhouse generation equipment,
central powerhouse sump and tailrace. The tailrace discharges to Tuckasegee River. The plant has
permitted discharges of generator thrust bearing cooling water and central powerhouse sump.
Mr. Keith Haynes and Mr. Larry Frost performed the inspection. The facility appeared to be well maintained
and operating properly, There were no un-permitted discharges noted during the inspection.
The purpose of the permit is to protect the receiving stream; therefore, the inspectors recommend that
Upstream, Effluent and Downstream sampling points be re-evaluated for this facility. The recommended
upstream sampling site should be at the dam inlet to the powerhouse, the effluent site from the tailrace and
the downstream at a predetermined (safe access) site downstream of the tailrace discharge point to the
stream. Possible sites were discussed during the inspection; it is recommended that these sites be
established by written policy.
Once the sampling sites are established, then the monitoring requirements and monitoring frequency for
each site should re-evaluated.
The proper reporting of flow from the powerhouse was discussed at length, during the inspection. Since
monitoring data is not required to be submitted to the State, the inspectors recommend that Duke Energy
use common units of measure for this type industry(examples discussed were; CFS and MGD, however
some other unit may be more appropriate) with regards to flow. If you should have any questions regarding
this issue please contact one of the inspectors.
Finally, a special word of thanks to Mr. Marcus Pitts for his assistance during the inspection.
Page# 2

Permit: NCG500129 Owner-Facility: Bryson Hydroelectric Plant
Inspection Date: 01/24/2007 Inspection Type: Compliance Evaluation
to etiC n Maintenance Yes No NA NE
Is the plant generally clean with acceptable housekeeping? Q ❑ ❑
Does the facility analyze process control parameters,for ex:MLSS, MCRT, Settleable Solids, pH, DO, Sludge ❑ 0 ■ n
Judge,and other that are applicable?
Comment:
el•rnit Yes No NA NE
(If the present permit expires in 6 months or less). Has the permittee submitted a new application? ❑ ■ Q
Is the facility as described in the permit? ❑ ❑ o
#Are there any special conditions for the permit? ❑ 0 M ❑
Is access to the plant site restricted to the general public? 0 El El Ej
Is the inspector granted access to all areas for inspection? ■ ❑ ❑ 0
Comment:
Page# 3

w ....��
N41�
CDENR
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
NOTICE OF RENEWAL INTENT
Application for renewal of existing coverage under General Permit NCG500000
Existing Certificate of Coverage (CoC): NCG500129
(Please print or type)
1) Mailing address" of facility owner/operator:
Company Name Duke Energy Carolinas, LLC t-
Owner Name Allen Stowe, Scientist-Water Management I << r
Street Address 526 South Church Street, EC 13K
City Charlotte StateNC ZIP Code 28202
Telephone Number(704) 382-4309 Fax: [phone]
Email address iastowe(@duke-energy.com _
*Address to which all permit correspondence should be mailed I I
Ij
2) Location of facility producing discharge: �[B ��Q�
Facility Name Bryson Hydroelectric Station
i {
Facility Contact John Reighard F
Street Address Dam-Road off US Highway 19
City Ela State NC ZIP Code 28734
County Swain
Telephone Number(828) 488-2278 Fax:
Email address iireigha(@duke-energy
3) Description of Discharge:
a) Is the discharge directly to the receiving stream? ® Yes ❑ No
(If no,submit a site map with the pathway to the potential receiving waters clearly marked.This includes tracing the pathway of the
storm sewer to the discharge point,if the storm sewer is the only viable means of discharge.)
b) Number of discharge outfalls (ditches, pipes, channels, etc. that convey wastewater from the
property): One
c) What type of wastewater is discharged? Indicate which discharge points, if more than one.
®Non-contact cooling water Outfall(s) #: 001
❑ Boiler Blowdown Outfall (s) #:
Page 1 of 3
i

NCG500000 renewal application
❑ Cooling Tower Blowdown Outfall(s)#:
❑ Condensate Outfall(s)#:
❑ Other Outfall(s)#:
(Please describe"Other")
d) Volume of discharge per each discharge point(in GPD):
#001: 11,520 #002: #003: #004
4) Please check the type of chemical [s] added to the wastewater for treatment,per each separate discharge
point(if applicable, use separate sheet):
❑ Chlorine ❑ Biocides ❑ Corrosion inhibitors ❑Algaecide ❑ Other
®None
5) If any box in item(4)above [other than None] was checked, a completed Biocide 101 Form and
manufacturers'information on the additive must be submitted to the following address for approval:
NC DENR/DWQ/Environmental Sciences Section
Aquatic Toxicology Unit
1621 Mail Service Center
Raleigh,NC 27699-1621
6) Is there any type of treatment being provided to the wastewater before discharge(i.e.,retention ponds,
settling ponds, etc.)? ❑Yes ® No
(If yes,please include design specifics(i.e.,design volume,retention time,surface area,etc.)with submittal package. Existing
treatment facilities should be described in detail.)
7) Discharge Frequency:
a) The discharge is: ®Continuous ❑Intermittent ❑Seasonal*
i) If the discharge is intermittent, describe when the discharge will occur:
ii) *Check the month(s)the discharge occurs: ❑Jan ❑ Feb ❑ Mar. ❑Apr❑ May ❑Jun ❑Jul ❑
Aug. ❑ Sept. ❑ Oct. ❑Nov. ❑Dec.
b) How many days per week is there a discharge?Seven
c) Please check the days discharge occurs: ® Sat. ® Sun. ®Mon. ® Tue. ® Wed. ®Thu. ® Fri.
8) Receiving stream[s]:
a) To what body or bodies of water(creek, stream,river,lake,etc.)does the facility discharge wastewater?
If the site discharges wastewater to a separate storm sewer system(4S),name the operator of the 4S
(e.g. City of Raleigh). Oconaluftee River
b) Stream Classification: HQW,TR C
Additional Application Requirements:
Page 2 of 3

NCG500000 renewal application
Additional Application Requirements:
The following information must be included in triplicate [original + 2 copies] with this application or
it will be returned as incomplete.
➢ Site map. If the discharge is not directly to a stream, the pathway to the receiving stream
must be clearly indicated. This includes tracing the pathway of a storm sewer to its
discharge point.
➢ Authorization for representatives. If this application will be submitted by a consulting
engineer (or engineering firm), include documentation from the Permittee showing that the
consultant submitting the application has been designated an Authorized Representative of
the applicant.
Certification
I certify that I am familiar with the information contained in this application and that to the best of
my knowledge and belief such information is true, complete, and accurate.
Printed Name of Person Signing: Carol S. Goolsby
Title: General Manager, Hydro Fleet
1 29 07
(Signature of Appli ant) (Date Signed)
North Carolina General Statute 143-215.6 b (i) provides that:
Any person who knowingly makes any false statement,representation,or certification in any application,record,report,plan or other document
filed or required to be maintained under Article 21 or regulations of the Environmental Management Commission implementing that Article,or who
falsifies,tampers with or knowingly renders inaccurate any recording or monitoring device or method required to be operated or maintained under
Article 21 or regulations of the Environmental Management Commission implementing that Article,shall be guilty of a misdemeanor punishable by
a fine not to exceed$25,000,or by imprisonment not to exceed six months,or by both.(18 U.S,C.Section 1001 provides a punishment by a fine
of not more than$25,000 or imprisonment not more than 5 years,or both,for a similar offense.)
ammEasasasasacasasasa
This Notice of Renewal Intent does NOT require a separate fee.
The permitted facility already pays an annual fee for coverage under NCG500000.
asasasasasasasasasasasa
Mail the original and two copies of the entire package to:
Mr. Charles H. Weaver
NC DENR / DWQ / NPDES
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Page 3 of 3

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Energy® 526 South Church St.
Charlotte, NC 28202
January 29, 2007 Mailing Address:
I' Charlotte,,NC 28201 1006
Mr. Charles Weaver , •n
State of North Carolina ,
Department of Environment and Natural Resources
Division of Water Quality ,
Point Source Branch FEB — ) 2C07 .+--
1617 Mail Service Center 'a`
Raleigh, North Carolina 27699-1617
WATER OLIAI_ITY SECTION
kk ASHEV1LLE REGIOI•L',1,OFF! ,E
Subject: Duke Energy Carolinas, LLC—NPDES Perra.t A� Ilcation
Renewal of NPDES General Permit-#NCU6 fir{
Bear Creek Hydroelectric Plant—NCG500124
Bridgewater Hydroelctric Plant—NCG500102
Bryson Hydroelectric Plant—NCG600129
Cedar Cliff Hydroelctric Plant—NCG600125
Cowans Ford Hydroelectric Plant—NCG500139
Lookout Shoals Hydroelectric Plant—NCG500120
Mission Hydroelectric Plant—NCG500128
Mountain Island Hydroelectric Plant—NCG500131
Nantahala Hydroelectric Plant—NCG500136
Oxford Hydroelectric Plant—NCG500119
Rhodhiss Hydroelectric Plant—NCG500108
Tennessee Creek Hydroelectric Plant—NCG500123
Thorpe Hydroelectric Plant—NCG500127
Tuckesegee Hydroelectric Plant— NCG500126
Tuxedo Hydroelectric Plant—NCG500110
Dear Mr. Weaver:
Duke Energy Carolinas, LLC requests the subject general permit be renewed and reissued. The
above referenced permit expires July 31, 2007. As mandated by North Carolina Administrative Code
15A NCAC 2H.0105 (e), this permit application for renewal is being submitted at least 180 days prior
to expiration of the current permit.
Please find enclosed in triplicate, the Notice of Renewal Intent for each of the hydroelectric facilities
named above.
Duke Energy Carolinas, LLC requests notification that this application is complete.
Thank you in advance for your assistance on this matter. Should you have questions regarding this
application, please contact me at(704)382-4309.
Sincerely,
Allen Stowe
Scientist,.Water Management
Attachments
lldfc w/: Mr. Larry Frost—.NC DENR Asheville R.O.
www.duke-energy.com

A74LA.
NCDENR
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
NOTICE OF RENEWAL INTENT
Application for renewal of existing coverage under General Permit NCG500000
Existing Certificate of Coverage (CoC): NCG500129
(Please print or type)
1) Mailing address* of facility owner/operator:
Company Name Duke Energy Carolinas, LLC
Owner Name Allen Stowe, Scientist-Water Management
Street Address 526 South Church Street, EC 13K
City Charlotte StateNC ZIP Code 28202
Telephone Number(704) 382-4309 Fax: [phone]
Email address iastowe(@duke-energom
*Address to which all permit correspondence should be mailed
2) Location of facility producing discharge:
Facility Name Bryson Hydroelectric Station
Facility Contact John Reighard
Street Address Dam-Road off US Highway 19
City Ela State NC ZIP Code 28734
County Swain
Telephone Number(828) 488-2278 Fax: N A
Email address iireigha(7a,duke-energy
3) Description of Discharge:
a) Is the discharge directly to the receiving stream? ® Yes ❑ No
(if no,submit a site map with the pathway to the potential receiving waters clearly marked.This includes tracing the pathway of the
storm sewer to the discharge point,if the storm sewer is the only viable means of discharge.)
b) Number of discharge outfalls (ditches, pipes, channels, etc. that convey wastewater from the
property): One
c) What type of wastewater is discharged? Indicate which discharge points, if more than one.
N Non-contact cooling water Outfall(s) #: 001
❑ Boiler Blowdown Outfall (s) #:
Page 1 of 3

NCG500000 renewal application
❑ Cooling Tower Blowdown Outfall(s)#:
❑ Condensate Outfall(s)#:
❑ Other Outfall(s)#:
(Please describe"Other")
d) Volume of discharge per each discharge point(in GPD):
#001: 11,520 #002: #003: #004
4) Please check the type of chemical [s] added to the wastewater for treatment,per each separate discharge
point(if applicable, use separate sheet):
❑ Chlorine ❑ Biocides ❑Corrosion inhibitors ❑Algaecide ❑ Other
®None
5) If any box in item(4)above [other than None] was checked, a completed Biocide 101 Form and
manufacturers'information on the additive must be submitted to the following address for approval:
NC DENR/DWQ/Environmental Sciences Section
Aquatic Toxicology Unit
1621 Mail Service Center
Raleigh,NC 27699-1621
6) Is there any type of treatment being provided to the wastewater before discharge(i.e.,retention ponds,
settling ponds, etc.)? ❑Yes ® No
(If yes,please include design specifics(i.e.,design volume,retention time,surface area,etc.)with submittal package. Existing
treatment facilities should be described in detail.)
7) Discharge Frequency:
a) The discharge is: ®Continuous ❑Intermittent ❑Seasonal*
i) If the discharge is intermittent, describe when the discharge will occur:
ii) *Check the month(s)the discharge occurs: ❑Jan ❑ Feb ❑ Mar. ❑Apr❑ May ❑Jun ❑Jul ❑
Aug. ❑ Sept. ❑ Oct. ❑ Nov. ❑Dec.
b) How many days per week is there a discharge?Seven
c) Please check the days discharge occurs: ® Sat. ® Sun. ® Mon. ®Tue. ® Wed. ®Thu. ® Fri.
8) Receiving stream[s]:
a) To what body or bodies of water(creek, stream,river,lake, etc.)does the facility discharge wastewater?
If the site discharges wastewater to a separate storm sewer system(4S),name the operator of the 4S
(e.g. City of Raleigh). Oconaluftee River
b) Stream Classification: HQW.TR C
Additional Application Requirements:
Page 2 of 3

NCG500000 renewal application
Additional Application Requirements:
The following information must be included in triplicate [original + 2 copies] with this application or
it will be returned as incomplete.
➢ Site map. If the discharge is not directly to a stream, the pathway to the receiving stream
must be clearly indicated. This includes tracing the pathway of a storm sewer to its
discharge point.
➢ Authorization for representatives. If this application will be submitted by a consulting
engineer (or engineering firm), include documentation from the Permittee showing that the
consultant submitting the application has been designated an Authorized Representative of
the applicant.
Certification
I certify that I am familiar with the information contained in this application and that to the best of
my knowledge and belief such information is true, complete, and accurate.
Printed Name of Person Signing: Carol S. Goolsby
Title: General Manager, Hydro Fleet
JP 1129107
(Signature of Appli ant) (Date Signed)
North Carolina General Statute 143-215.6 b (i) provides that:
Any person who knowingly makes any false statement, representation,or certification in any application,record,report,plan or other document
filed or required to be maintained under Article 21 or regulations of the Environmental Management Commission implementing that Article,or who
falsifies,tampers with or knowingly renders inaccurate any recording or monitoring device or method required to be operated or maintained under
Article 21 or regulations of the Environmental Management Commission implementing that Article,shall be guilty of a misdemeanor punishable by
a fine not to exceed$25,000,or by imprisonment not to exceed six months,or by both.(18 U.S.C.Section 1001 provides a punishment by a fine
of not more than$25,000 or imprisonment not more than 5 years,or both,for a similar offense.)
aeaeasasaeaeasasasasasa
This Notice of Renewal Intent does NOT require a separate fee.
The permitted facility already pays an annual fee for coverage under NCG500000.
asasaeasasasasasasasasa
Mail the original and two copies of the entire package to:
Mr. Charles H. Weaver
NC DENR / DWQ / NPDES
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Page 3 of 3

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Facility Duke Energy Environmental Telephone Number
Contact -
Bear Creek Marcus Pitts 864 847-3054
Bridgewater Nob Zalme 704 645-2706
Bryson Marcus Pitts 864 847-3054
Cedar Cliff Marcus Pitts 864 847-3054
Mission Marcus Pitts 864 847-3054
Tennessee Creek Marcus Pitts 864 847-3054
Nantahala Marcus Pitts 864 847-3054
Rhodhiss Nob Zalme 704 645-2706
Tuckasee ee Marcus Pitts 864 847-3054
Tuxedo Steve Hodges 828 657-2339
Thorpe Marcus Pitts 864) 847-3054

WA
::
NCDENR
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
November 15,2006
Allen Stowe
Duke Energy Corporation
P.O. Box 1006 [EC13K]
Charlotte,NC 28201-1006
Subject: NPDES Permit NCG500000 renewal
Certificate of Coverage(CoC)NCG500129
Bryson Hydroelectric Plant
Swain County
Dear Permittee:
The facility listed above is covered under NPDES General Permit NCG500000. NCG500000 expires
on July 31, 2007. Federal(40 CFR 122.41)and North Carolina(15A NCAC 2H.0105(e))regulations require
that permit renewal applications must be filed at least 180 days prior to expiration of the current permit. If
you have already mailed a renewal request,you may disregard this notice.
To satisfy this requirement,the Division must receive a renewal request postmarked no later than
February 1, 2007. Failure to request renewal by this date may result in a civil penalty assessment. Larger
penalties may be assessed depending upon the delinquency of the request. This renewal notice is being sent
well in advance of the due date so that you have adequate time to prepare your application.
If any discharge previously covered under NCG500000 will occur after July 31, 2007,the
CoC must be renewed. Discharge of wastewater without a valid permit would violate North Carolina
General Statute 143-215.1;unpermitted discharges of wastewater may be assessed civil penalties of up to
$25,000 per day.
If all discharge has ceased at your facility and you wish to rescind this CoC [or if you have other
questions], contact me at the telephone number or e-mail address listed below.'
Sincerely,
Charles H. Weaver,Jr.
NPDES Unit
cc: Central Files
NPDES File
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1617 Mail Service Center,Raleigh,North Carolina 27699-1617One
512 North Salisbury Street,Raleigh,North Carolina 27604 I`, NOhCar01111a
Phone: [phone],extension 511/FAX [phone]/[e-mail] I a'�a Uy��//b
An Equal Opportunity/Affirmative Action Employer—50%Recycled/10%Post Consumer Paper V L "

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Duke DUKE ENERGY CORPORATION
t' 'Ener 400 South Tryon St.
�Y Charlotte, NC 28285
Mailing Address:
PO Box 1007
Charlotte, NC 28201-1007
May 11 2006
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Ms. Coleen Sullins E
Permits and Engineering Unit
North Carolina Department of Environmental, -- ' "' `b
Health and Natural Resources . "
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-1617
Re: Delegation of Authority- Signatures on Reports and Requested Information
Duke Energy NPDES Permitted Stations
Dear Ms. Sullins:
Federal Regulation 40 CFR 122.22, as well as Part II of Duke Energy's NPDES permits, specifies
that all reports required by NPDES permits and other information requested by the permit issuing
authority shall be signed by a principal executive officer of at least the level of Vice President or a
duly authorized representative. I hereby authorize the Site Production Manager the authority to
sign all reports and requested information related to the permits specified in the attached list
If you have questions or need additional information, you may contact Allen Stowe at 704-382-
4309.
Sincerely,
7chl C. Grigs
esident
Environment, Health and Safety
/phs
Attachment
xc: Rex Gleason, NCDENR, Mooresville, NC
Steve Mauney, NCDENR, Winston-Salem, NC
David Goodrich, NCDENR, Raleigh, NC
orest Westall, NCDENR,Asheville, NC
www.duke-energy.com

Permits Currently Held:
Allen Steam Station- NC0004979
Belews Creek Steam Station- NCO024406
Belews Creek Steam Station -WQ0005873
Belews Creek Steam Station Flyash Landfill Permit#85-03
Buck Steam Station- NC0004774
Cliffside Steam Station-NC0005088
Dan River Steam Station - NCO003468
Lincoln Combustion Turbine Station- NC0080781
Marshall Steam Station NC0004987
Marshall Steam Station Flyash Landfill Permit#18-04
Riverbend Steam Station - NC0004961
Bridgewater Hydro Station - NCG500102
Cowans Ford Hydro Station - NCG500139
Lookout Shoals Hydro Station - NCG500120
Mountain Island Hydro Station - NCG500131
Oxford Hydro Station- NCG500119
Rhodhiss Hydro Station- NCG500108
Tuxedo Hydro Station- NCG500110
Bear Creek Hydro Station—NCG500124
Bryson Hydro Station— NCG500129
Cedar Cliff Hydro Station NCG500125
Mission Hydro Station—NCG500128
Nantahala Hydro Station—NCG500136
Tennessee Creek Hydro Station—NCG500123
Thorpe Hydro Station—NCG500127
Tuckaseegee Hydro Station—NCG500126

State of North Carolina
Department of Environment •
and Natural Resources a
Division of Water Quality
Michael F. Easley, Governor
William G. Ross Jr., Secretary NCDENR
Alan W. Klimek, P.E., Director NORTH CAROLINA DEPARTMENT OF,
ENVIRONMENT AND NATURAL RESOURCES'
�,,
July 26,2002
Jul.. Ili
THOMAS D SMITHERMAN
BRYSON HYDROELECTRIC PLANT
301 NP&L LOOP RD MAIL CODE EC 11E
FRANKLIN, NC 28734
Subject: Reissue-NPDES Wastewater Discharge Permit
Bryson Hydroelectric Plant
COC Number NCG500129
Swain County
Dear Permittee:
In response to your renewal application for continued coverage under general permit NCG500000,the Division of
Water Quality(DWQ)is forwarding herewith the reissued wastewater general permit Certificate of Coverage
(COC). This COC is reissued pursuant to the requirements of North Carolina General Statute 143-215.1 and the
Memorandum of Agreement between the state of North Carolina and the U.S.Environmental Protection Agency,
dated May 9, 1994(or as subsquently amended).
The following information is included with your permit package:
* A copy of the Certificate of Coverage for your treatment facility
* A copy of General Wastewater Discharge Permit NCG500000
* A copy of a Technical Bulletin for General Wastewater Discharge Permit NCG500000
Your coverage under this general permit is not transferable except after notice to DWQ. The Division may require
modification or revocation and reissuance of the Certificate of Coverage. This permit does not affect the legal
requirements to obtain other permits which may be required by DENR or relieve the permittee from responsibility
for compliance with any other applicable federal,state,or local law rule,standard,ordinance,order,judgment,or
decree.
If you have any questions regarding this permit package please contact Aisha Lau of the Central Office Stormwater
and General Permits Unit at(919)733-5083,ext.578
Sincerely,
for Alan W.Klimek,P.E.
cc: Central Files
Stormwater&General Permits Unit Files
Asheville Regional Office
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10%post-consumer paper

State of North Carolina
Department of Environment •
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
William G. Ross Jr., Secretary NCDENR
Gregory J. Thorpe, Ph.D., Acting Director NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
11/26/2001
THOMAS D SMITHERMAN
NANTAHALA P&L-BRYSON CITY HYDR
301 NP&L LOOP RD
FRANKLIN, NC 28734
Subject: NPDES Wastewater Permit Coverage Renewal
Nantahala P&I-bryson City Hydr
COC Number NCG500129
Swain County
Dear Permittee:
Your facility is currently covered for wastewater discharge under.General Permit NCG500000. This permit expires
on July 31,2002. Division of Water Quality(DWQ)staff is in the process of rewriting this permit with a
scheduled reissue in the summer of 2002. Once the permit is reissued,your facility would be eligible for continued
coverage under the reissued permit.
In order to assure your continued coverage under the general permit,you must apply to the DWQ for renewal of
your permit coverage. To make this renewal process easier,we are informing you in advance that your permit
coverage will be expiring. Enclosed you will find a general permit coverage renewal application form. This
will serve as your application for renewal of your permit coverage. The application must be completed and
returned with the required information by February 01,2002 in order to assure continued coverage under the
general permit.There is no renewal fee associated with this process. Your facility will be invoiced for the annual
permit fee at a later date.
Failure to request renewal within this time period may result in a civil assessment of at least$250.00. Larger
penalties may be assessed depending on the delinquency of the request. Discharge of wastewater from your facility
without coverage under a valid wastewater NPDES permit would constitute a violation of NCGS 143-215.1 and
could result in assessments of civil penalties of up to$10,000 per day.
If the subject wastewater discharge to waters of the state has been terminated,please complete the enclosed
rescission request form. Mailing instructions are listed on the bottom of the form. You will be notified when the
rescission process has been completed.
If you have any questions regarding the permit coverage renewal procedures please contact the Asheville Regional
Office at 828-251-6208 or Delonda Alexander of the Central Office Stormwater Unit at(919)733-5083,ext.584
Sincerely,
Bradley Bennett,Supervisor
Stormwater and General Permits Unit
cc: Central Files
Stormwater and General Permits Unit Files
Asheville Regional Office
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50%recycled/10%post-consumer paper

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Nantahala Power
®®® and Light Company corresponding office
1990 October 24
Mr. Peter Nathanson
North Carolina Department of Natural Resources
P. O. Box 370
Asheville, N. C. 28802
Dear Mr. Nathanson:
If streamflow permits , we plan to drain Dicks Creek
Diversion Dam October 15, 1990 to remove silt and debris from
the intake area. The Diversion Dam will be placed back in
service October 29 , 1990 .
J The silt and debris will be removed from the dam with a
dragline and placed on the bank downstream of the dam. Silt
screens will be placed along the bank to prevent silt from
re-entering the stream.
If we do not here from you prior to the above dates, we
will assume this arrangement is satisfactory.
Sincerely,
Noah Jo neon, Jr,
Area and Plant Superintendent
cc : N.E. Tucker
R ECEI E
Water Quality Section
0 CT 1j - 1990
,Asheville Regional,Office.
.Asheville, North Carolina
General Office 17 West Main Street• P.O. Box 260, Franklin, North Carolina 28734. 704-524-2121

o Nantahala Power
and Light Company Corresponding Office
8B October 24
Mr. Peter Nathanson
N. C. Department of Natural Resource
P.O.. Box 370
Asheville, N.C. 28802
Dear Mr. Nathanson:
In order to do necessary maintenance on the Intake and
Tainter gates at Bryson Plant, it will be necessary to have
Bryson Plant reservoir drained from November I to November
20, 1988.
If we do not hear from you prior to the above date, we
will assume this arrangement is satisfactory.
Sincerely.,,
Noah 3 hnson, Jr.
Area Superintendent
cc: Jack Robinson
ID
General Office 17 West Main Street• P.O. Box 260, Franklin, North Carolina 28734 704-524-2121

A
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re
North Carolina Wildlife Resources Commission KN
512 N.Salisbury Street,Raleigh,North Carolina 27604-1188,919-733-3391
Charles R.Fullwood,Executive Director
MEMORANDUM
TO: Roy Davis, Water Quality Section
N.C. Division of Environmental Management (DEM)
FROM: Stephanie E. Goudreau, Mt. Region Coordinator
Habitat Conservation Program
DATE: December 13, 1993
SUBJECT: Recommendations regarding sediment removal from
reservoirs of run-of-river hydroelectric projects
Biological staff of the North Carolina Wildlife Resources
Commission (NCWRC) recently observed aquatic habitat degradation
downstream of two hydroelectric projects in western North
Carolina following the release of accumulated sediment from dams.
As you know, Cascade Power Company and Nantahala Power and Light
(NP&L) recently took such action, resulting in severe
sedimentation in Little River below the Cascade Hydroelectric
Project (Transylvania County) and in Oconaluftee River below the
Bryson City Reservoir (Swain County) .
Sediment flushing results when an operator opens gates in a
dam for maintenance or repair, sending silt-laden water
downstream in order to lower the reservoir level for easy access
to the work area. This memorandum is in response to your request
following a meeting on October 26, 1993 with NCWRC, DEM and NP&L
personnel for our concerns and recommendations regarding this
practice.
Our concerns include the following:
1) The rapid release of water and sediment from behind a dam
overwhelms downstream habitat with sudden high flows and
deep sediment so that fish may be buried in the sediment or
killed outright by the force of the released water.
2) Release of sediment during critical periods of fish spawning
and incubation can result in damage to eggs and fry,
possibly to the extent that few individuals in that year
class will survive to maturity.

Mr. Roy Davis Page 2 December 13 , 1993
J 3) Sediment settling downstream of the dam can be extremely
deep (3 feet or more) and completely change the substrate of
a stream. For instance, the Oconaluftee River downstream of
the Bryson City Reservoir provided good habitat for
smallmouth bass through boulder cover and gravel substrate
for spawning. The onslaught of sediment has changed the
substrate so that crevices and gravel are covered, making
the river in this area more suited for species tolerant to
these conditions.
4) Maintenance and repairs that require the opening of gates
are often done during periods of low flow (late summer and
fall) . Sediment released during this time will stay in the
stream a maximum amount of -time because there are no high
flows until later in the spring to moving it downstream.
5) While the reservoir is drawn down for work, the stream
flowing through the reservoir basin may continue to carry
accumulated sediment downstream.
The NCWRC recommends that the following options for
minimizing impacts' to aquatic habitat be considered when removal
of accumulated sediment from behind a dam becomes necessary:
1) Accumulated sediment could be flushed downstream during
periods of high flow to reduce the likelihood of large
amounts of sediment settling in the stream reach just below
the dam. In addition, operators could flush sediment from
behind dams on a regular schedule instead of waiting several
years until the reservoir is nearly filled with sediment.
Another consideration with this strategy would be to avoid
releasing sediment downstream during fish spawning periods
to minimize impacts to fish populations.
2) Sediment could be removed from a reservoir by dredging and
placing the material on an upland disposal site where it
would be stabilized with various erosion and sedimentation
measures. This would eliminate the need to flush sediments
downstream.
3) One or more sediment catch basins could be constructed at
the upstream end of a reservoir where sediment could
collect. Sediment would be removed from these basins on a
regular basis to avoid accumulation at the dam.
Upon further assessment of these options, our preference
would be the option having the least impact on aquatic habitat.
We look forward to further discussing this issue with you and
hydroelectric project operators.
cc: Mr. Micky Clemmons, District 9 Fisheries Biologist
Mr. Jim Borawa, Mt. Region Research Coordinator

fi/l/L
FEDERAL ENERGY REGULATORY COMMISSION
ATLANTA REGIONAL OFFICE
3125 Presidential Parkway - Suite 300
Atlanta, Georgia 30340 '� ��'�
9 0W
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Mr. Roy M. Davis t;,oftViLB pcc 1110 A6
Regional Supervisor
Division;,of Environmental Management
NC Department of Environment,
Health and Natural Resources
Interchange Building
59 Woodfin Place
Asheville, North Carolina 28801
Dear Mr. Davis:
This is in reference to your letter dated November 2, 1993,
requesting copies of notices from the Atlanta Regional Office (ARO)
to hydropower facilities ". . .that require maintenance or routine
checks which could result in the dewatering of the facility and
possible release of sediments. " As a general rule, the ARO does
not require licensees/exemptees to lower their reservoirs for
maintenance activities. We do, ' however' allow them to lower
reservoirs for_ inspection and maintenance, but-only after they have
adequately consulted with appropriate Federal and 'State environ-
mental agencies and obtained all necessary permits. Since we do
not specifically require that reservoirs be drawn down, we
obviously cannot provide you with advance notification of any
drawdowns not required by staff.
The exception to the general rule discussed above would be the
lowering of a reservoir for dam safety reasons. In this exception,
the ARO may require a licensee/exemptee to lower its reservoir.
However, even with this exception, the owner must still. notify
appropriate Federal and State environmental agencies of the
drawdown. Lowering of reservoirs for dam safety reasons is usually
required immediately after the unsafe situation becomes evident
and, as a result, advance notification of other agencies may not be
possible.
Your letter states: "Repair of the tainter gate seals at a
particular facility required dewatering behind the dam, the
subsequent`. release of sediments resulted in a violation of North
Carolina. Water Quality Standards and a small fish 'kill:"' However,
your letter does not specifically state if the facility discussed
is under FERC jurisdiction, and if so, to which project you are
referring. If the project is under, FERC jurisdiction-, please
furnish the following information:
Ali

Mr. Roy M. Davis -2-
�r
• The name of the project and FERC project number if known.
• Was DEHNR notified by the licensee/exemptee prior to the
drawdown?
• If DEHNR was notified, did DEHNR respond to that
notification? What was DEHNR's response? Was a permit
required and issued prior to the drawdown?
• If DEHNR was not notified, should it have been notified?
• How was the violation of the North Carolina Water Quality
Standards documented?
• Has a formal complaint been issued to the Secretary,
FERC, Washington? If not, does DEHNR intend to issue a
formal complaint to the FERC?
As of this date, the ARO has not been notified that any FERC
licensee/exemptee has dewatered a reservoir to repair Tainter gate
seals. If a licensee/exemptee did dewater a FERC-regulated project
reservoir to such an extent that it was in violation of Federal or
State water quality standards, and the licensee/exemptee did not
properly notify the ARO and the various other responsible Federal
and State regulatory agencies, and appropriate permits from those
agencies were not secured prior to the drawdown, the licensee/
exemptee for that project could have been in violation of its
license/exemption and could be subject to the enforcement and
penalty actions. Upon receipt of the requested information, we
will thoroughly review this matter and advise you of the results of
the review.
Very truly yours,
Robert W. Cris P. E.
Director

State '. of North Carolina
' Department of Environment ,
Health, and Natural Resources •
Division of Environmental Management
Asheville Regional Office
James B . Hunt , Jr. Governor E H N F 1
Jonathan B. Howes , Secretary
WATER QUALITY SECTION
October 28, 1993
Mr. Bob Johnson
US Army Corps of Engineers
Regulatory Field Office
Room 75, Grove Arcade Building
37 Battery Park Avenue
Asheville, North Carolina 28801
Subject: Sediment Releases During Dam
Maintenance
Dear Bob:
The recent release of sediment and resultant water quality
violations at Nantahala Power' s Bryson City hydro power facility
have served to emphasize a long standing problem. Certain
required maintenance at power generation dams makes necessary the
opening of the discharge gates in those dams . While there is no
permitting involvement with this process, the release of
concentrated sediment usually results in a violation of water
quality standards, particularly turbidity, downstream. In
several cases, fish mortality has resulted from such sediment
releases .
The Corps of Engineers is occasionally called upon to
provide written communications with regards to the proposed
drainage of reservoirs . It would be very useful in terms of
letting reservoir owners know what might happen as a result of
release of sediment if some mention of threat to fish and Water
Quality Standards appeared in your letters . You might consider
the following:
You should be aware that the release of impounded
sediment while draining a reservoir frequently
results in the killing of fish and violation of
N Water Quality Standards for turbidity. The
Water Quality Section of the North Carolina
Division of Environmental Management has asked
that we request anyone contemplating lowering
Interchange Buiding, 59 Woodfin Place, Asheville, N.C. 28801
Telephone [phone] Fax [phone]
An Fniial onn-ti—ity Affi—,ti..n Art iron F`m..l.....,.-

Rob Johnson
October 28, 1993
Page Two
the water level in a reservoir to contact them
before beginning that process . The Asheville
Regional Office be reached at 704/251-6208 . o
Thank you for any assistance you might be able to give in
letting reservoir owners know of potential impacts to fish from
the release of impounded sediment.
Sincerely,
Roy M. Davis, Regional Supervisor
Division of Environmental Management
xc: Forrest R. Westall
Bill Anderson
s
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® Nantahala Power U ar
®®® 2� � DEC .a. 1�g� I
and Light Company 9-: Corresponding Office
tUAil i LIA I SECTION
November 30, 1993 SE i[VIIL Rt CIONIA OFFICE
_..._ .:..,,,.....<-VIL.au...._crsa.,,.c..2:u.'arnzas�cf�c&r.urnszsa+
Mr. Roy M. Davis, Supervisor
Asheville Regional Office,
North Carolina DEHNR
59 Woodfin Place
Asheville, NC 28801
Subject: DEHNR Letter
October 22, 1993
Oconoluftee River
Bryson City Hydroelectric Plant
Dear Mr. Davis:
In response to your letter of October 22, 1993, please
be advised that myself and others inspected the river for
a long distance downstream and found no dead fish. During
our meeting with you and others in Asheville, some members
in attendance also said they failed to find any dead fish
during their inspections. However, at this point in time,
I feel we must exercise special caution to involve all
1 regulatory bodies and officials relating to future
maintenance of our Hydroelectric Plants.
We did notify the Department of the Army, Corps of
Engineers prior to our recent maintenance and were assured
that all concerned regulatory agencies were notified and were
advised that our proposed activities would be acceptable and
legal. Please accept our position that we felt all bases had
been covered and we were in a position to perform maintenance
work which had been specified by the Federal Energy Regulatory
Commission.
Due to this episode, we plan to pursue an acceptable
Hydroelectric maintenance schedule and work practice plan
that will meet your requirements, along with other regulatory
agencies requirements. I will be contacting you the first
of 1994 to establish a plan that hopefully will result in us
being able to maintain the plants and satisfy any legal
requirement.
Please advise if you need additional response or action.
Sincerely.
Thomas D. Smitherman,
Vice President
- Production,Transmission, Distribution
General Office 17 West Main Street• P.O. Box 260, Franklin, North Carolina 28734. 704.524-2121

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State of North Carolina �l
Department of Environment ,
Health, and Natural ResourcesW4*v
Division of Environmental Management A!
James B. Hunt, Jr. Governor 1:3 E H N F1
Jonathan B. Howes , Secretary
Nann Guthrie, Regional Manager
Asheville Regional Office
WATER QUALITY SECTION
October 22 , 1993
Tom Smitherman, Vice President
Operations and Construction
Nantahala Power and Light Co.
Post Office Box 260
Franklin, North Carolina 28734
Subject: Notice Of Violation
Oconoluftee River Fish Kill
Bryson City Hydroelectric Plant
Swain County
Dear Mr. Smitherman:
On October 6 , 1993 the Division of Environmental Management received
information of a fish kill occurring in the Oconoluftee River below
Bryson City hydro plant. Investigation by staff of the North Carolina
Division of Environmental Management' s Asheville Regional Office revealed
that the fish kill was a result of the release of sediments from behind
the dam.
The water quality standard for trout streams is 10 NTU. Turbidity
measurements in the Oconoluftee River on October 6, 1993 were 1 . 3 NTU
upstream of the dam 220 NTU downstream of the dam, clearly indicating a
violation of the water quality standard.
Please respond in writing by November 30, 1993 as to what will be
done to prevent the future occurrence of this problem at this and other
hydro plants and your reasons why the Division should not seek civil
penalties in this matter.
Sincerely,
Roy M. Davis, Supervisor
Asheville Regional Office
Bill Anderson cc:
Kerry Becker
Interchange Buiding, 59 Woodfin place, Asheville, N.C. 28801
Telephone [phone] Fax [phone]
An P—AI nnr,. u—ity Aff i—Ativy A`-f-inn P-n1n 1

State of North Carolina
Department of Environment,
Health, and Natural Resources •
Division of Environmental Management mle ,
James B. Hunt, Jr. Governor E H
Jonathan B. Howes , Secretary
Nann Guthrie, Regional Manager
Asheville Regional Office
WATER QUALITY SECTION
October 22, 1993
Tom Smitherman, Vice President
Operations and Construction
Nantahala Power and Light Co.
Post Office Box 260
Franklin, North Carolina 28734
Subject: Notice Of Violation
Oconoluftee River Fish Kill
Bryson City Hydroelectric Plant
Swain County
Dear Mr. Smitherman:
On October 6, 1993 the Division of Environmental Management received
(information of a fish kill occurring in the Oconoluftee River below
Bryson City hydro plant. Investigation by staff of the North Carolina
Division of Environmental Management' s Asheville Regional Office revealed
that the fish kill was a result of the release of sediments from behind
the dam.
The water quality standard for trout streams is 10 NTU. Turbidity
measurements in the Oconoluftee River on October 6, 1993 were 1 . 3 NTU
upstream of the dam 220 NTU downstream of the dam, clearly indicating a
violation of the water quality standard.
Please respond in writing by November 30, 1993 as to what will be
done to prevent the future occurrence of this problem at this and other
hydro plants and your reasons why the Division should not seek civil
penalties in this matter.
Sincerely,
R�
Roy M. Davis, Supervisor
Asheville Regional Office
cc: Bill Anderson
Kerry Becker
Interchange Buiding, 59 Woodfin Place, Asheville, N.C. 28801
Telephone [phone] Fax [phone]
All P--1 ()--Unnity Affirmative Art-inn Fmnl-, �*a

Figure 7
Division of Environmental Management
CHITIN OF TODY RECO
For Investigation.of !�l/
Samples collected and WI forme completed by:
ab. Unly Station.
Lab •tio. No. Station Location . .
10 3 Z l
`016
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ReliWished by( tyre): Rece4,ved by(Signa�e): Datt Time
0
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el Rec by
Rel 4 Rec by
Rel Rec by (Lab)
Method of Shipment:
Seallb : Broken b
Security a and Condition: Lock b cn by:
E
LAB USE ONLY
Lab No. No.
From Throw h Containers 1►nal aia Relinquish b Received b Date Time
Page 5-5

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DEPARTMENT OF THE ARMY
WILMINGTON DISTRICT, CORPS OF ENGINEERS
P.O.BOX 1890
WILMINGTON,NORTH CAROLINA 28402-1890
IN REPLY REFER TO September 21, 1993
Regulatory Branch
Action ID. 199304412
Nantahala Power and Light Company
Noah Johnson, Jr.
17 West Main Street
Post Office Box 260
Franklin, North Carolina 28734
Dear Mr. Johnson:
Reference your recent discussion with David Baker of our Asheville
Regulatory office regarding proposed repairs at the Bryson Plant Dam on the
Oconaluftee River in Bryson City, Swain County, North Carolina. Specifically,
the gate seal areas and the seals on both tainter gates are to be repaired and
replaced while the lake is drawn down.
Discharges of dredged and/or fill material into -Waters of the United
States in conjunction with the maintenance of currently serviceable structures
are not prohibited by .or otherwise subject to regulation under Section 404 of
the Clean Water Act. Maintenance does not include any modification that
changes the character, scope or size of the original fill design.
We appreciate the opportunity to comment on the proposed repair work. If
you have any further questions please contact David Baker at (704) 211-4856.
Sincerely,
G. Wayne Wright
Chief, Regulatory Branch
Copies furnished:
NC Wildlife Resources Commission
Mickey Clemmons
Route 1, Box 624
Waynesville, North Carolina 28786
vision of Environmental Management
North Carolina Department of �� 9 ��,
Environment, Health, and
Natural Resourcesb
59 Woodfin Place SEP 2 719M
Asheville, North Carolina 28801-2482

t
FEDERAL ENERGY REGULATORY C MISSION ` 7 y,gd-
REGIONAL OFFICE
730 PEACHTREE STREET, N.E.
ATLANTA, GEORGIA 30308
August 13 , 1992
Projects Nos. 2601, 2603 , and 2619 - NC
Mr. N. E. Tucker, Jr.
Executive Vice President
Nantahala Power and Light Company
Post Office Box 260
Franklin, North Carolina 28734
Dear Mr. Tucker:
We appreciate the cooperation extended to Mr. William H.
Duke during the annual operation inspections of the Bryson Project
No. 2601, the Franklin Project No. 2603 , and the Mission Project
No. 2619.
The following items are presented as a result of Mr. Duke' s
operation inspections.
1. You should provide a plan and schedule to reduce gate
leakage at the Bryson project. Also, you should provide
a schedule for completing the mechanical work .on the
generating units.
2 . You should provide a schedule for completing the
electrical/mechanical work that is presently ongoing at
the Franklin project.
Within 30 days of the date of this letter, please provide your
response to the above items.
Very truly yours,
Robert W. Crisp#P.�
.
Director
I

FEDERAL ENERGY REGULATORY COMMISSION
REGIONAL OFFICE
730 PEACHTREE STREET, N.E.
ATLANTA, GEORGIA 30308
September 15 1988 ,
i �:�' fit
Piojects Nos . 2601 and 2603 - NCyka
SEP 1 l^
Mr. Jack Robinson
Vice President E M1'iS & E1,4 G 1NEEFiltIN�
Engineering and Operations
Nantahala Power and Light Company
Post Office Box 260
Franklin, North Carolina 28734
Dear Mr. Robinson:
The annual operation inspection of the Bryson Project
No. 2601 and Franklin Project No. 2603 is scheduled for
September 22, 1988. Mr. Steve Collins, Atlanta Regional Office
staff engineer assigned to perform the inspections, will meet
your representatives at the Bryson dam at 9 a.m. An itinerary
for the inspections will be arranged at that time.
Enclosed for your review is a copy of the Action Status
Report from our computer-based Hydro License Compliance Tracking
System (HLCTS) for these two projects . This report lists
information describing the status of actions to be taken to
comply with the requirements of your license . A licensee is
expected to timely comply with the terms and conditions of its
license by the required dates, unless a request for extension
of time is filed and approved by the Commission. Failure to
comply with a requirement may result in the. Commission 's taking
enforcement action. Following the current operation inspec-
tions, Mr. Collins will review the report with you or your
representatives and discuss any items with which you are not in
compliance .
The Commission's 'order on P-233-008, -013, and -014,
dated July 17, 1987 (copy furnished previously) , requires the
licensee to serve copies of any Commission filing required by
the license on an entity specified in the license order to be
consulted on matters related to that filing. This procedure
applies to all existing and future licenses/exemptions issued
by the Commission where consultation with other entities is
required. When sending a copy of your filing' to these enti-
ties, please state in the cover letter that you are providing
this copy in accordance with procedures outlined in the order
referenced above. Proof of service on these entities must be
�� provided to the Commission along with the filing.

Mr. Jack Robinson -2-
During the inspections, Mr. Collins may request that
any of the spillway gates at each dam be operated using standby
emergency power.
Copies of this letter are being furnished to appropriate
State and Federal agencies in the event they are interested in
participating in the inspection of the project facilities.
While in the area, Mr. Collins intends to make an inspec-
tion of the parapet wall construction at Bear Creek dam,
Project No. 2698. This is tentatively scheduled for Friday,
September 23, 1988.
Very truly yours ,
Robert W. Crisp, P.E.
Regional Director
Enclosure

Mr. Jack Robinson -3-
cc: Director
U. S. Fish and Wildlife Service
75 Spring Street, S. W.
Atlanta, GA 30303
Mr. Jim Kirkwood
U. S. Fish and Wildlife Service
Richard B. Russell Federal Building
75 Spring Street, S. W. , Suite 1276
Atlanta, GA 30303
Ms. L. K. (Mike ) Gantt
Field Supervisor
U. S. Fish and Wildlife Service
Post Office Box 25039
Raleigh, NC 27611-5039
Director
Southeast Region
National Marine Fisheries Service
9450 Koger Boulevard
St. Petersburg, FL 33702
Director Mr. John D. Wray, Deputy Director
Southeast Office Division of Water Resources
National Park Service NC Department of Natural Resources
- 75 Spring Street, S. W. and Community Development
Atlanta, GA 30303 Post Office Box 27687
Raleigh, NC 27611-7687
U. S. Forest Service
1720 Peachtree Road, N. W. State of North Carolina
Atlanta, GA 30309 Wildlife Resources Commission
Archdale Building
Regional Administrator 512 North Salisbury Street
Region IV Raleigh, NC 27611
Environmental Protection Agency.
345 Courtland Street, N. E.
Atlanta, GA 30308
Attn: Mr. Heinz Mueller
State of North Carolina
Department of Natural Resources
and Community Development
Environmental Management
and Recreation
Post Office Box 27687
Raleigh, NC 27611
w/o enclosure

SOC PR.TORITY(--�OJECT: Yes No x
IF YES , SOC NUMBER
TO: PERMITS AND ENGINEERING UNIT c
WATER QUALITY SECTION
ATTENTION: Randy Kepler.
DAT'. : July 21 , 1993
NPDES STAFF REPORT AND RECOMMENDATION
COUNTY Swain.
PERMIT NUMBED NCG500129
PART I - GENERAL INFORMATION
1. Facility and Address: Bryson City Hydroelectric Plant
Ela, North Carolina
Swain Co .
2 . Date of Investigation:
\ 3 . Report Prepared By: Kerry S. Becker
4. Persons Contacted and Telephone Number: Noah Johnson, Jr.
704-321-5633
5. Directions to Site: The facility is located on NCSR 1358 off of
Hwy 19 near Ela, N.C.
6. Discharge Point(s) , List for all discharge points:
Latitude: 350 26' 45" Longitude: 830 22 ' 30"
Attach a USGS map extract and indicate treatment facility site and
discharge point on map.
U. S.G. S. Quad No. F5 NE U. S. G. S. Quad Name Whittier, NC
7. Site size and expansion area consistent with application? N/A
Yes No If No, explain.-
Page 1.

1
8. Topography (relationship to floo(7l plain included) : Steep,
mountainous . This is a hydroelect.ri.c plant.
9'. Location of nearest dwelling: >500 ft: .
10. Receiving stream or affected surface waters: Oconaluftee River
a. Classification: C Trout HQW
b. River. Basin and Subbasin No. : 04--04-02
C . Describe receiving stream features and pertinent downstream
uses: Provides habitat for Fb e propagation and maintenance
of wildlife.
PART II - DESCRIPTION OF DISCH A RC E AND TREATMENT WORKS
1. a. Volume of wastewater to be pe.r_initted N/A MGD (Ultimate
Design Capacity)
e. Please provide a description of existing or substantially
constructed wastewater treatment facilities: No treatment
facilities---non-contact cooling water discharge.
f. Please provide a description of proposed wastewater treatment
facilities: N/A
g. Possible toxic impacts to surface waters: None expected.
3 . Treatment plant classification (attach completed rating sheet) :
Not rated, cooling water discharge .
4. SIC Codes(s) : 4911
Wastewater Code(s) of actual wastewater, not particular facilities
i .e. , non-contact cooking water discharge from a metal plating
company would be 14, not 56.
Primary 14 Secondary
Main Treatment Unit Code: 000--0
1 Page 2
r J

\ I
PART IV - EVALUATION AND RECOMME'NDATIONS
This is a hydroelectric plant: . Thp 11on-contact cooling water
discharge originates from the tiirbities during power generation.
There should be no problems restil t-i nq from the issuance of this
permit.
Signature of Report Preparer
ater ttality Regional Supervisor
D to
,� Page 3

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6tate of North Carolina
Department of Environment,
Health and Natural Resources ` • •
Division of Environmental Management
0 ames B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary p H NF1
A. Preston Howard, Jr., P.E., Director
=0 W. yrt
JUL 9
July 1, 1993
N.E. Tucker., Jr. , Exec. Vice President Subject: NPDES Permit Application
Nantahala Power and Light Company NPDES Permit No.NCCJ500129
Star Route
Topton, NC 28781 Bryson City Hydroelectric Plant
Dear Mr. Tucker Swain County
This is to acknowledge receipt of the following documents on June 24, 1993 :
Application Form
Engineering Proposal (for proposed control facilities) ,
Request for permit renewal,
Application Processing Fee of $400 .00,
Engineering Economics Alternatives Analysis,
Local Government Signoff,
Source Reduction and Recycling,
Interbasin Transfer,
Other ,
The items checked below are needed before review can begin:
Application Form ,
Engineering proposal (see attachment) ,
Application Processing Fee of
Delegation of Authority (see attached)
Biocide Sheet (see attached)
Engineering Economics Alternatives Analysis,
Local Government Signoff,
Source Reduction and Recycling,
Interbasin Transfer,
Other
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10%post-consumer paper
ov-/

(� If the application is not made complete within thirty (30) days, it will be
} returned to you and may be resubmitted when complete.
This application has been assigned to Randy Kepler
(919/733-5083) of our Permits Unit for review. You wiii be advised ot any
comments recommendations, questions or other information necessary for the
review of the application.
I am, by copy of this letter, requesting that our Regional Office
Supervisor prepare a staff report and recommendations regarding this
discharge. If you have any questions regarding this applications,
please contact the review person listed above.
Sincerely,
Coleen H. Sullins, P.E.
cc. Asheville Regional Office ��

/ 6- S 0a/Zy
a a,.
-'
State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 2761.1
James G. Martin, Governor A Preston Howard,,,-., P.E.
William W. Cobey,Jr., Secretary Acting Director
NOTICE OF INTENT
Ns1�4nal�011uLanr T)icrharge Fliminarinn CvC�
Application for Coverage under General Permit NCG500000;N,)n-contact cooling water,boiler blowdown,
cooling tower blowdown,condensate,and similar point source d=harges. ^
1. Na.me AddresC,'�„atia: and t;,le i' - 1�l�vrr�..a�•,ncl' l �
- p:oric nw-Libe of f.r acility requesting Permit &V,
.A. Official Name: Bryson City Hvdroel rtric Plant
B. Mailing Address: Nantahala Power and Light Company sib✓
(1)Strt�tAdtirrss; Star Route
(2)":ty: Topton �Q
O
3 Stax, ;
North CTr I.lna
Macon •-�
C. Location. (Atta^h man delincaLng gene L fa Hity laration) �A/1i/Ut'76�)
(1)SueetAddrt Address;- Highway 19 ( V
(2)City; Bryson City _
(3)State; North Carolina
.� (4)County; Swain
D. c a
Telephone Number, (704 ) 321 - 5633
2. Facility Contact:
A. Name; Noah Johnson Jr.
B. Title; Area and Plant Superinten ent
C. Company Name; N_antahala Power and Light Company
D. Phone Number, ( 7ot--) 391.�A 3 3
3. Application type(check appropriate selection):
A. New or Proposed;
P.. Existing; X rf„ l ,
-� Y VtiJ! y...:.,it�wd, Provide pe.:ntt nlu:.ve_
dale
C. Modification; and issue
bra the naw e of the codification).
4. Description of discharge
A.Please state the number of separate discharge points.
1,bd ; 2,[] ; 3,[1 4,[] ; _,[]•
B.Please describe the amount of wastewater being discharged per each separat:-discharge point: 1: 1 1 ,520
gallons per day (gpd) 2;— (gpd) 3: (gpd) 4' (SPd)
�J� � Page 1

,:heck the duration and freq?'-`�y of the dis harge,per each separate dischargg int.
1. Continuous:_
2. Intermittent (please describe): Discharge when plant is ru,.ntng
3. Seasonal(check month(s) the discharge occurs):January W;February (A; March Q 1; April (];
May N;June [)Q;July[j; .August M; September N;October Q];November[$;December.W.
\ 4. How many days per week is there a discharge?(check the days the discharge occurs)
Monday M, Tuesday N, Wednesday N, Thursday N Friday W, Saturday M, Sunday R].
5. How much of the volume discharged is treated?(state in percent) 0 %
D. 1T giat type of wastewater is discharged,per separate discharge point.(plave check next to correct type):
1. Non-contact cooling water; X
2. Boiler blowdown;
3. Cooling tower blowdown;
4. Condensate;
5. Odrr(please describe);
Please list any known pollutants that are present in the discharge, pe- each separate discharge point (if
applicable):
E. Please describe the type of process the cooling water is being discharged from,per separate discharge point
(i.e.compressor,boiler blowdown,cooling tower blowdown,air conditioning unit,etc.):
Gendratbr coolers and bearing coolers
F. PIease.check the type of chemical added to the wastch Ater for treatment or other, per separate discharge
point:
1. Biocides;
?. Corrosion inhibitots; _
3. Chlorine;
4. Algae control;
5. Other(please describe ;
6. None; X
If 1,2,3,4,or 5 was checked,please state the name and manufacturer of the chemical additive. Also include
a completed Biocide 101 form,and manufacturers'information on the additive with the application for the
Division's review.
G. Is there any type of treatment being provided to the wastewater before discharge (i.e. rew,ntion ponds,
settling ponds, etc.); if yes, please describe. Give design specifics (i.e. design volume, retention time,
surface area, etc.). Existing treatment facilities should be described in detail and design criteria or
operational data should be provided(including calculations) to ensure that the facility can comply with
requirements of the General PeUnit. None
NOTE: Construction of any wastewater treatment facilities require submission of three (3) sets of plans and
specifications along with their application. Design of treatment facilities must comply with requirement
15A NCAC 2H .0138. If construction applies to the discharge, include the three sets of plans and
specifications with the application.
5. What is the nature of the business applying for this permit? Investor owned electric utility
6. Name of receiving water. 0cona l of tee River Classification:
(Attach a USGS topographical map with all discharge points)clearly marked)
�� Page 2

.Ae discharge directly to the iving water? (Y N) Y
If no, state specifically the harge point. Marl clearly the pathway,to tix'^'�=6al receiving waters on the
site map. ('This includes tracing the pathway of the storm sewer to its discho.te point, if a storm sewer is the
only viable means of discharge.)
S. Please address possible non-discharge alternatives for the following options:
A. Connection to a Regional Sewer Collection System;
B.Subsurface Disposal; N/A
C. Spray Irrigation;
9. I certify that I am familiar with the information contained in the application and that to the best of my knowledge
and belief such information is true,complete,and accurate.
Printed Name of Person Signing N. E. Tucker, J r.
Title Executive Vice President
Date Application Signed May 5, 1993
Signature of Applicant
NORTH CAROLINA (r ,N ,RAI.,;S-'ZAT[1TF 143-215 6B U) PROVIDES TfiAT'
Any person who knowingly makes any false statement, representation, or certification in any application, re:;0rd,
report.,plan or other document filed or required to be maintained under Article 21 or regulations of t_;s Enviror.rr::;.t1
1,danagement Commission implementing that Article,or who falsifies,tampers with or knowingly render:; inac urate
any recording or monitoring device or method requimd to.be epe=.,a or maintain.3 under Article 21 or regulations of
the Environmental Management Commission implementing that Article, shall be guilty of a misdemeanor
punishable by a fine not to exceed $10,000, or by imprisonment not to exceed six months, or by both. (18 U.S.C.
Q ) Section 1001 provides a punishment by a fine of not more than$10,000 or imprisonment not more than 5 years,or
both,for a similar offense.)
Notice of Intent must be accompanied by a check or money order for$400.00 made payable to the North Carolina
Department of Environment,Health,and Natural Resources. Mail three(3)copies of entire package to:
Division of Environmental Management
NPDES Permits Group
Post Office Box 29535
Raleigh, North Carolina 27626-0535
;�� Page 3

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-BRYSON S ITE LOCATION MAP
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I
SCALE: I`= APPROX. 10 MILES FIGURE I

State of North Carolina
Department of Environment,
Health and Natural Resources 4 •
Division of Water Quality �, 1f
IV
James B. Hunt, Jr., Governor ID E H N
Wayne McDevitt, Secretary
A. Preston Howard, Jr., P.E., Director July 24, 1997
Thomas D. Smitherman
Nantahala Power & Light Company
301 NP&L Loop Road
Franklin,NC 28734
Subject: Certificate of Coverage No. NCG500129
Renewal of General Permit
Bryson City Hydro Station
Swain County
Dear Permittee:
In accordance with your application for renewal of the subject Certificate of Coverage, the Division is forwarding
the enclosed General Permit. This renewal is valid until July 31,2002. 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 December 6,1983. If any parts,measurement
frequencies or sampling requirements contained in this permit are unacceptable to you,you have the right to request
an individual permit by submitting an individual permit application. Unless such demand is made,this certificate
of coverage shall be final and binding.
The Certificate of Coverage for your facility is not transferable except after notice to the Division. Use the enclosed
Permit Name/Ownership Change form to notify the Division if you sell or otherwise transfer ownership of the
subject facility. The Division may require modification or revocation and reissuance of the Certificate of Coverage.
If your facility ceases discharge of wastewater before the expiration date of this permit, contact the Regional
Office listed below at [phone]. Once discharge from your facility has ceased, this permit may be rescinded.
This permit 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,Coastal Area Management Act or any other Federal or Local
governmental permit that may be required.
If you have any questions concerning this permit,please contact the NPDES Group at the address below.
Sincerely,
A.Preston Howard,Jr.,P.E.
cc: Central Files
Asheville Regional Office
NPDES File
Facility Assessment Unit
JUL lon
P.O. Box 29535, Raleigh, North Carolina 27626-0535 [phone] FAX[phone] p&[e-mail]
An Equal Opportunity Affirmative Action Employer 50%recycled /10%post-consumer paper

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT, HEALTH, AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMIT NO. NCG500000
CERTIFICATE OF COVERAGE NO. NCG500129
TO DISCHARGE NON-CONTACT COOLING WATER,COOLING TOWER AND BOILER
BLOWDOWN, CONDENSATE, EXEMPT STORMWATER, COOLING WATERS ASSOCIATED WITH
HYDROELECTRIC OPERATIONS, AND SIMILIAR WASTEWATERS UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards
and regulations promulgated and adopted by the North Carolina Environmental Management
Commission, and the Federal Water Pollution Control Act,as amended,
Nantahala Power & Light Company
is hereby authorized to discharge
cooling water and other waters associated with hydroelectric operations
from a facility located at
Bryson City Hydro Station
Dam Road (Off U.S.Highway 19)
Ela
Swain County
to receiving waters designated as subbasin 40402 in the Little Tennessee River Basin
in accordance with the effluent limitations, monitoring requirements,and other conditions set forth
in Parts I, II,III and IV of General Permit No. NCG500000 as attached.
This certificate of coverage shall become effective August 1, 1997.
This certificate of coverage shall remain in effect for the duration of the General Permit.
Signed this day July 24, 1997.
' Y
A. Preston Howard,Jr., P.E., Director
�
Division of Water Quality
By Authority of the Environmental Management Commission