NCG500189_NPDES Permit Renewal_20160119

Water Resources
ENVIRONMENTAL OUALtTY
Mr. Steve Cahoon
Duke Energy - Progress
410 S Wilmington'St
Raleigh; NC 27601
Dear Permittee:
January 19, 2016
PAT MCCRORY
DONALD R. VAN DER VAART
S. JAY ZIMMERMAN
RECEIVED
DEQ/DWR
JAN 2 8 2016
Subject: Renewal of General Permit NCG500000
Tillery Hydroelectric Station WQROS
Certificate of Coverage Pf T6$' .LE REGIONAL OFFICE
Montgomery County
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) NCG500189 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 FayettevilleRegional 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
charles. we aver@ncdenr. gov] .
cc:
rely,
or S. Jay Zimmerman, Director
Division of Water Resources
Fayetteville Regional Office 7
NPDES file
State of North Carolina I Environmental Quality Water Resources
1617 Mail Service Center I Raleigh, NC 27699-1617
- 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 N.CG500189
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
'T31complince witli-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 - Progress
is hereby authorized to discharge from a facility located at the
Tillery Hydroelectric Station
179 Tillery Plant Rd
Mount Gilead
Montgomery County
to receiving waters designated as the PEE DEE RIVER, a class WS-III & B stream in subbasin
,03-07-08 of the Yadkin 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
for S�Ia' immerman, Director
Dd. 'sion of Water Resources
By Authority of the Environmental Management Commission

Pat McCrory
Governor
NCDENR,
North Carolina Department of Environment and Natural Resources
Division of Water Resources
Thomas A. Reeder
Director
John E. Skvarla, III
'Secretary
NOTICE OF RENEWAL INTENT
[Required by 15A NCAC 02H .0127(d)1; [term definition see_15A NCAC 02H .0103(19)]
Application for renewal of existing coverage under General Permit NCG500000
Existing Certificate of Coverage (CoC): NCG500189
(Press Tab to navigate form)
1) Mailing address of facility owner/operator: (address to which all correspondence should be mailed)
Company. Name
Owner Name
Street Address
City
Telephone #
Email Address
Duke Energy -. Progress.
Steve Cahoon
410 S. Wilmington St.
Raleigh.
State NC
919 - 546 - 7457 Fax # 919 - 546 - 4409
[e-mail]
2) Location of facility producing discharge:
Facility Name
Facility Contact
Street Address
City
County
Telephone #
Email Address
Tillery Hydroelectric Station
Nob Zalme
179 Tillery Plant Road
Mount Gilead:
Montgomery
336 - 462 - 0221 Fax #
[e-mail]
State NC
3) Description of Discharge:
a) Is the discharge directly to the receiving stream?
® Yes
❑ No — Please submit a site map with the pathway to
includes tracing the pathway of the storm sewer to
viable means of discharge.
b) Number of discharge outfalls (ditches, pipes, channels,
Three
Page 1 of 3
ZIP Code 27601 -
ZIP Code 27306 -
the potential receiving waters clearly marked. This
the discharge point, if the storm sewer is the only
etc. that convey wastewater from the property):

NCG500000 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, 003
❑ Boiler Blowdown Outfall (s) #:
❑ Cooling Tower Blowdown Outfall (s) #:
❑ Condensate Outfall (s) #:
® Other Outfall (s) #: 001
(Please describe "Other"): 001- Station sump, including powerhouse drainage and non -contact
cooling water, 002 - Generator aircooler cooling water, 003 - diesel fire pump cooling water.
d) Volume of discharge per each discharge point (in GPD):
#001: 1,872,000 GPD #002: 216,000 GPD #003: 216,000 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 any 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,
settling ponds, 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 D 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.
9 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 thisapplication and that to the best of my
knowledge arid belief such information is true, complete, and accurate:
Printed Name of Person Signing: Randy C.Herrin,
(Please .review 15A NCAC 02H .0106(e) for authorized signing officials)
Signature of A
North Carolina General Statute $ 143-215.6B 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.
Title: GM III Regional Fleet
Click beret to 'e�%a date. •
Date` Signed
This Notice of Renewal Intent does NOT require a separate fee.
The permitted facility already pays 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

(iU
•
1 r.« " 00,
82°28'0'
Data Sources:
Outfall Locations:
Base Map: USGS 7.5 Minute Series Topographic Quadrangles, US Topo product: Mount Gilead West, NC,
URL http://stare.usgs.gov, accessed 8/22/2012.
Drawn By'. Tim Leonard
Project Manager: Bill Miller
Client Duke Energy Carolinas, LLC
Date: 3/4/2014
Scale
025
05
L'G'.u.iD.—..
Jekiold
not
MEMO
/:
34'34'30"
• NPDES Outfall
-B2°25'0
DISCHARGE LOCATION MAP
NPDES Permit No: XXNNNNNNN
DUKE ENERGY CAROLINAS, LLC
TILLERY HYDROELECTRIC STATION
MONTGOMERY COUNTY AND STANLY COUNTY,
NORTH CAROLINA
FIGURE
1