NCS000574_Fact sheet binder_20231101

DEQ / DEMLR
FACT SHEET FOR NPDES INDUSTRIAL INDIVIDUAL
STORMWATER PERMIT DEVELOPMENT
Basic Information for Permit Issuance and Renewals:
Permit Writer/Date Brianna Young 10/16/2023
Permit Number NCS000574
Owner/Facility Name Duke Energy Progress,LLC/Cape Fear Steam Electric
Power Plant
SIC Code/Category 4911 /Power Generation
Basin Name/Sub-basin number 002: Cape Fear/03-06-07
003: Cape Fear/03-06-07
Receiving Stream/HUC 002: UT to Shaddox Creek/030300020705
003: UT to Shaddox Creek/030300020705
Stream Classification/Stream Segment 002: WS-IV/ 16-43
003: WS-IV/ 16-43
Is the stream impaired [on 303(d) list]? No
Any TMDLs? No
Any threatened and/or endangered species? See Section 2 below
Any compliance concerns? See Section 2 below
Any permit mods since lastpermit? See Section 1 below
New expiration date 11/30/2028
Comments on Draft Permit? See Section 6 below
Section 1. Facility Activities and Process:
The Cape Fear Steam Electric Plant is a retired steam cycle electric generating plant that formerly
operated two coal-fired units, two heat recovery boilers, and four internal combustion turbines. The site
was retired in 2011 and demolition and final site grading was completed in May 2018. Beneficiation is
the approved method for ash removal at the site. Ash hauling will remain onsite and not affect the
permitted outfalls (Duke is not planning to haul ash offsite at this time).
The site has the 1953 Inactive Ash Pond, 1960/1970 Inactive Ash Pond, 1978 Ash Pond, and the 1985
Ash Pond. In December 2019, Duke notified Stormwater Permitting of their intent to add a stormwater
outfall for the proposed emergency overflow spillway that had to be constructed for the 1956 Ash Basin
to meet DEQ Dam Safety regulatory requirements. The new discharge point to the Haw River was
designed to divert flow from the full Probable Maximum Flood(PMF) storm event and the spillway was
set at an elevation sufficient to ensure the basin would contain the 100-year, 24-hour storm without
discharging. This outfall is not included in the draft permit.
Outfall SWO02:
The drainage area consists of a small area adjacent to a short section of the railroad track, a small
employee parking lot, a wooded employee picnic area, and vegetated open areas.
Outfall SWO03:
The drainage area consists of drainage from the plant entrance road and parking areas. Historically this
location was selected to capture potential impacts from an ash sluice line that crossed under the entrance
road; however, ash is no longer sluiced and the line has been disconnected.
Page 1 of 7

Additional Outfalls:
Stormwater outfall discharged from the Abandoned Ash Pond(1953) identified as SW-1 and
Abandoned Ash Pond(1960/1970) identified as SW-8 are not considered potential point source
discharge to surface waters as observed by DEMLR staff in November 2014. Outfall SW-1 and Outfall
SW-8 are legacy riser structures from inactive ponds, and the heavily vegetated area basically functions
as a large dry detention pond.
Stormwater collected in an open field along the entrance is directed via outfall SW-5. Outfall SW-5 is
not from industrial activity. Duke Energy removed the coal and coal residual and restored the area,
therefore discharge from the coal pile no longer exists. All wastewaters formally generated by the site
historically discharged to an effluent channel prior to the combined outfall (Outfall 007). Outfall 007
contains all waste stream flows including the West Ash Pond Discharge (Outfall 001) and the East Pond
Discharge (Outfall 005). Outfalls 001, 005, and 007 were regulated as wastewater discharge under a
separate NPDES permit.
Per the 2014 wastewater permit NC0003433 application amendment:
• SW-1 and SW-8 are legacy riser structures from inactive ash ponds (abandoned more than 35
years and covered in vegetation). Discharges of stormwater from these outfalls are rare (greater
than 25-year 24-hour storm event to generate discharge).
• SW-2: Stormwater collected along the railroad track between the plant entrance road and plant
site combines with drainage of an open field. Historically coal was moved along the railroad
track but coal is no longer brought onsite. There is no industrial activity in the area.
• SW-3: Stormwater collected along the roadside swell beside the plant entrance road. Historically
location selected to capture potential impacts from ash sluice line that crossed under the entrance
road. Ash is no longer sluiced and the line has been physically disconnected.
Why Industrial Sites with Stormwater are Subject to a Permit: Federal NPDES regulations define
stormwater discharge associated with industrial activity in 40 CFR §122.26 (b)(14) as: "the discharge
from any conveyance that is used for collecting and conveying storm water and that is directly related to
manufacturing,processing or raw materials storage areas at an industrial plant. The term does not
include discharges from facilities or activities excluded from the NPDES program under this part 122.
For the categories of industries identified in this section, the term includes, but is not limited to, storm
water [sic] discharges from industrial plant yards; immediate access roads and rail lines used or traveled
by carriers of raw materials, manufactured products, waste material, or byproducts used or created by
the facility; material handling sites; refuse sites; sites used for the application or disposal of process
waste waters (as defined at part 401 of this chapter); sites used for the storage and maintenance of
material handling equipment; sites used for residual treatment, storage, or disposal; shipping and
receiving areas; manufacturing buildings; storage areas (including tank farms) for raw materials, and
intermediate and final products; and areas where industrial activity has taken place in the past and
significant materials remain and are exposed to storm water. For the purposes of this paragraph, material
handling activities include storage, loading and unloading, transportation, or conveyance of any raw
material, intermediate product, final product, byproduct or waste product. The term excludes areas
located on plant lands separate from the plant's industrial activities, such as office buildings and
accompanying parking lots as long as the drainage from the excluded areas is not mixed with storm
water [sic] drained from the above described areas."
Page 2 of 7

Section 2. Monitoring Information and Compliance History:
• Per letter dated 10/26/2016, SWO03 was in Tier 1 status for pH
• September 2016 to March 2022, benchmarks exceeded for:
o No monitoring data submitted for March 2017 through April 2020
o Sampling for all coal ash constituents only taken in March 2022 during this submitted
time period
o SWO03: pH min not reached 1x
• Public hearings were held in September 2015 and February 2016 during the last permit issuance
Threatened/Endangered Species:
There are no threatened/endangered species at the discharge location, however, Piedmont Levee Forest
(typic subtype), waterbird colony, Buttercup Phacelia(Phacelia covillei; NC status: SR-T), Eastern
Isopyrum(Enemion biternatum; NC status: SC-V), Coppery Emerald(Somatochlora geogiana; NC
status: SR), Southern Skullcap (Scutellaria australis; NC status: E), Carolina Redhorse (Moxostoma sp.
3;NC status: T), Southeastern Bat (Myotis austroriparius;NC status: SC), and Tricolored Bat
(Perimyotis subflavus; NC status: SR) are located in the vicinity of the discharge.
Section 3. Proposed Monitoring for Stormwater Discharges:
The Division considered potential pollutants from past and present industrial activities (coal-fired
electric generation, plant decommissioning) and data was submitted for May 2020 to March 2022.
Quantitative sampling included pH, TSS, O&G,boron, zinc, antimony, arsenic,beryllium, cadmium,
chromium, copper, lead, nickel, selenium, silver, thallium, and mercury.
Parameters are based on potential pollutants in the drainage area, sampling results, and in some cases,
dependent upon future activities (e.g., ash removal through the drainage area). Below is a table of the
proposed monitoring for each outfall at the Cape Fear Electric Plant site.
Outfalls SWO02 and SWO03
Quarterly monitoring
Total Suspended Solids BASIS: Potential pollutant from drainage area and BMP effectiveness
(TSS) indicator. These outfalls may be impacted by coal ash.
Quarterly monitoring
H BASIS: Pollutant indicator and important to interpreting toxicity
p potential of metals. These outfalls may be impacted by coal ash.
Quarterly monitoring
Total Rainfall BASIS: Discharge potential indicator
Quarterly monitoring
Non-Polar Oil &Grease BASIS: Potential pollutant from lubricants; Method 1664 SGT-HEM
targets petroleum-based O&G
Quarterly monitoring
Monthly Oil Usage BASIS: Potential pollutant from drainage area
Page 3 of 7

Quarterly monitoring
Total Arsenic BASIS: Coal combustion waste (CCW) constituents.
Quarterly monitoring
Total Antimony BASIS: Coal combustion waste (CCW) constituents.
Quarterly monitoring
Total Beryllium BASIS: Coal combustion waste (CCW) constituents.
Quarterly monitoring
Boron BASIS: Coal combustion waste (CCW) constituent/coal tracer.
Quarterly monitoring
Total Cadmium BASIS: Coal combustion waste (CCW) constituents.
Quarterly monitoring
Total Chromium BASIS: Coal combustion waste (CCW) constituents.
Quarterly monitoring
Total Copper BASIS: Coal combustion waste (CCW) constituents.
Quarterly monitoring
Total Lead BASIS: Coal combustion waste (CCW) constituents.
Quarterly monitoring
Total Mercury BASIS: Coal combustion waste (CCW) constituents.
Quarterly monitoring
Total Nickel BASIS: Coal combustion waste (CCW) constituents.
Quarterly monitoring
Total Selenium BASIS: Coal combustion waste (CCW) constituents.
Quarterly monitoring
Total Silver BASIS: Coal combustion waste (CCW) constituents.
Quarterly monitoring
Total Thallium BASIS: Coal combustion waste (CCW) constituents.
Quarterly monitoring
Total Zinc BASIS: Coal combustion waste (CCW) constituents.
Stormwater Benchmarks and Tiered Response: Rather than limits,North Carolina NPDES
Stormwater permits contain benchmark concentrations. Stormwater benchmarks are numerical action
levels for stormwater monitoring. Benchmarks are not effluent limits, and benchmark exceedances are
not permit violations. Benchmarks provide facilities a tool for assessing the significance of pollutants in
stormwater discharges and the effectiveness of best management practices (BMPs). Benchmark
Page 4 of 7

concentrations are intended as guidelines for the facility's development and implementation of the
Stormwater Pollution Prevention Plan (SWPPP).
Benchmark exceedances require the permittee to increase monitoring, increase management actions,
increase record keeping, and/or install stormwater BMPs in a tiered program. The permit establishes a
tiered approach to specify actions the permittee must take in response to analytical results above
benchmark concentrations. The tiered structure of the permit provides the permittee and DEMLR wide
flexibility to address issues that may arise with one or more parameters and/or outfalls.
Metals benchmarks are calculated to mimic acute water quality standards and with the guidance of
DWR. NC DWR follows established federal procedures for calculating acute standards when developing
the benchmarks. Just like the acute standards, metals benchmarks normally reflect one half of the
calculated Final Acute Value (the "1/2 FAV"). In most cases, translation into total recoverable values is
based on an assumed hardness of 25 mg/L and a total suspended solids (TSS) concentration of 10 mg/L.
Acute standards protect aquatic life from negative impacts of short-term exposure to higher levels of
chemicals where the discharge enters a waterbody. The Stormwater Permitting Program applies this
approach because of the ephemeral nature of rainfall events.
The Division may evaluate results to determine if a smaller suite of parameters for some outfalls is
adequate to characterize potential pollution or BMP effectiveness. For example, one or more metals or
other parameters may serve as an adequate tracer for the presence of ash pollution during disturbance or
ash removal in specific drainage areas at this site. For parameters that do not have a stormwater
benchmark, the Division may develop a benchmark value if appropriate toxicity data become available
or if rising trends in concentrations suggest a persistent source.
A summary of the benchmarks in the draft permit, and their basis, is below:
Parameter Benchmark Basis
Antimony Total 340 µg/L Acute Aquatic Criterion, '/2 FAV
Arsenic Total 340 /L Acute Aquatic Criterion, 1/2 FAV
Beryllium Total 65 /L Acute Aquatic Criterion, %2 FAV
Boron 34,000 µg/L CCW/Coal constituent;Narrative National Recommended
Water Quality Criterion
Cadmium (Total) 3 /L Acute Aquatic Criterion, %2 FAV
1/2 FAV; Based on (Cr III+Cr VI) acute thresholds and
Chromium(Total) 905 µg/L assumption that industrial activities here are not a source of
hexavalent chromium
Copper Total 10 /L Acute Aquatic Criterion, %2 FAV
Lead Total 75 /L Acute A uatic Criterion, 1/2 FAV
Mercury(Total) 12 ng/L CCW/Coal Constituent; Chronic 02B standard
Nickel Total 335 /L Acute Aquatic Criterion, 1/2 FAV
Selenium(Total) 5 µg/L Y2 FAV,NC-specific, based on 1986 Study on Se impacts in
NC
Silver Total 0.3 /L Acute Aquatic Criterion, %2 FAV
Thallium Total 2,000 CCW/Coal constituent; Based on EPA Safe Drinking Water
(Total) µg/L Act MCL
Zinc Total 126 /L Acute Aquatic Criterion, %2 FAV
Page 5 of 7

Total Suspended 100 mg/L National Urban Runoff Program (NURP) Study, 1983
Solids TSS
H 6 s.u. —9 s.u. NC Water Quality Standard(Range)
Non-Polar Oil & Review of other state's daily maximum benchmark
Grease, EPA 15 mg/L concentration for this more targeted O&G;NC WQS that does
Method 1664 not allow oil sheen in waters
SGT-HEM
Stormwater Pollution Prevention Plan: The proposed permit conditions reflect the EPA and NC's
pollution prevention approach to stormwater permitting. The Division's maintains that implementation
of Best Management Practices (BMPs) and traditional stormwater management practices that control the
source of pollutants meets the definition of Best Available Technology (BAT) and Best Conventional
Pollutant Control Technology(BCT). The permit conditions are not numeric effluent limitations but are
designed to be flexible requirements for implementing site-specific plans to minimize and control
pollutants in stormwater discharges associated with the industrial activity. Title 40 Code of Federal
Regulations (CFR) §122.44(k)(2) authorizes the use of BMPs in lieu of numeric effluent limitations in
NPDES permits when the agency finds numeric effluent limitations to be infeasible. The agency may
also impose BMP requirements which are "reasonably necessary" to carry out the purposes of the Act
under the authority of 40 CFR 122.44(k)(3). The conditions proposed in this draft permit are included
under the authority of both of these regulatory provisions. In essence, the pollution prevention and BMP
requirements operate as limitations on effluent discharges that reflect the application of BAT/BCT.
Mercury Monitoring Requirements: The proposed permit requires mercury to be measured in
stormwater samples by EPA Method 1631 E,which can detect levels as low as 0.5 ng/l. This requirement
is consistent with recent federal rule-making that requires NPDES permittees to monitor discharges with
sufficiently sensitive test procedures approved under 40 CFR §136. Modifications to 40 CFR §122.44(i)
require a method that has a minimum level (ML) at or below the effluent limit(not applicable here), or
the lowest minimum level (ML) of EPA approved analytical methods for the measured parameter. Based
on results, Method 1631E will be required to quantify levels in these discharges. NC DEMLR
understands that this method is more costly and requires a more intensive sampling protocol than most
other parameters, and that fish tissue sampling will be provided during the permit cycle.
Flexibility in Tier Responses: Tier Two actions provide an opportunity for the permittee to propose an
alternative monitoring plan for approval by the Region:
• Alternatively, in lieu of steps 2 and 3, the permittee may, after two consecutive exceedances,
exercise the option of contacting the DEMLR Regional Engineer as provided below in Tier
Three. The Regional Engineer may direct the response actions on the part of the permittee as
provided in Tier Three, including reduced or additional sampling parameters or frequency.
• If pursuing the alternative above after two consecutive exceedances, the permittee may propose
an alternative monitoring plan for approval by the Regional Engineer.
The permit therefore allows the permittee to petition the Regional Office for monitoring changes sooner
than Tier Three (upon any four benchmark exceedances) and gives guidance on one option to take. For
example, the permittee may request that mercury only be monitored semi-annually under the tiers, or
that only parameters over the benchmark be monitored more frequently. In this way, changes to the
monitoring scheme for any outfall could be handled outside of a permit modification.
Page 6 of 7

Other Proposed Requirements:
• It is standard for Stormwater Pollution Prevention Plan(SWPPP) requirements to include an
annual certification that stormwater outfalls have been evaluated for the presence of non-
stormwater discharges, and if any are identified, how those discharges are permitted or otherwise
authorized.
• Requirement to submit a request for permit modification if the facility identifies or creates any
new outfalls, removes outfalls, or alters any drainage area that changes potential pollutants.
• The Division expects the permittee to apply best professional judgment and consider the safety
of its personnel in fulfilling sampling obligations under the permit.
• Federal regulations require electronic submittal of all discharge monitoring reports (DMRs). If a
state does not establish a system to receive such submittals, then permittees must submit DMRs
electronically to the EPA.
• Quarterly QualitativeNisual Monitoring to assure regular observation of outfalls throughout
year.
Section 4. Changes from previous permit to draft:
• Monitoring increased from semi-annually to quarterly for all parameters (qualitative and
quantitative)
• "No discharge" clarifications made
• eDMR requirement added
• Boilerplate language moved into body of the permit; boilerplate no longer attached
• Feasibility study removed from SWPPP requirements
• Mercury benchmark implemented and tiered response required for exceedance
• Monitoring for total hardness added for all outfalls as monitoring for hardness dependent metals
is required
• Benchmarks updated for parameters per guidance from DWR Standards group on stormwater
benchmarks
Section 5. Changes from draft to final:
• None
Section 6. Discussions with the Facility and Regional Office:
• Initial contact with facility made: 4/18/2022
• Initial contact with Regional Office: 5/27/2022
• Draft sent to CO peer review: 8/23/2023
• Draft sent to Regional Office: 9/6/2023
• Final permit sent for supervisor signature: 10/18/2023
Section 7. Comments received on draft permit:
• None
Page 7 of 7

Chatham News Record
RECEIVLZL.4 CLIPPING OF LEGA
NORTH CAROLINA SEP 1 3 2023 ADVERTISEMEN
CHATHAM COUNTY ATTACHED HERET(
DEMLR-StorrmatsrProyrn; NORTH CAROLINA ENVIRONMENTAL MANAGEMENT
AFFIDAVIT OF PUBLICATION COMMISSION IN ENITT0ISSUE NPDESSTORMWATER
DISCHARGE PERMITS
Before the undersigned,a Notary Public of said County and State, The North Carolina Environmental Management
duly commissioned,qualified and authorized by law to administer Commission proposes to Issue NPDES stormwater
discharge permit(s)to the person(s)listed below.
Public comment or objection to the draft permits is
oaths, personally appeared Florence Turner invited. Written comments regardingthe proposed
permit will be accepted until 30 days after the
who publish date of this notice and considered in the
final determination regarding permit issuance
and permit provisions. The Director of the NC
being first duly sworn,deposes and says:that he (she) is Division of Energy, Mineral, and Land Resources
(DEMLR)may hold a public hearing should there be
Accounts Receivable Clerk a significant degree of public interest. Please mail
comments and/or information requests to DEMLR
(Owner,partner,publisher,or other officer or employee authorized to make this affidavit) at 1612 Mail Service Center,Raleigh, NC 27699-
1612.
of the Chatham Media Group, LLC.,engaged in the publication of Duke Energy Progress.LLC[526S Church St,Mail
Code Ec13k,Charlotte.NC 282011 has requested
a newspaper known as,Chatham News+Record, published, issued renewal of permit NCS000574 for the Cape Fear
Steam Electric Power Plant in Chatham County.
and entered as second class mail in theTown of Siler City,in said This facility discharges to an unnamed tributary to
County and State;that he (she)is authorized to make this affidavit shaddock Creek in the Cape Fear River Basin.
and sworn statement;that the notice or legal advertisement, Interested persons may visit DEMLR at 512 N.
g Salisbury street. Raleigh, NC 27604 to review
a true copy of which is attached hereto,was published in the information on
NPDES information
permts and this n'oltice lmay be found on
Chatham News+Record on the following dates: our website: https://deq.nc.gov/about/divisions/
energy-mineral-and-land-resources/stormwater/
or by contacting
at brianna.notices,
or by contacting 8rianna Young at brianna.young®
deq.nc.gov or 919 707-3647.
and that the said newspaper in which such notice, paper,
document,or legal advertisement was published was, at the
time of each and every such publication., a newspaper meeting
all of the requirements and qualifications of Section 1-597 of the
General Statues of North Carolina and was a qualified newspaper
within the meaning of Section 1-597 of the General Statues of
North Carolina.
This • —day of ' © �� `\`\\��NIiW py/�
NOTAR �m
(Signature of person making affidavit)
Sworn to and subscribed before me,this T :g PUBLIC
Sv
day of �, O q� // AM T of N� a'
� . 7
of ry Pub 1
My Commission expires: l J-

SUMMARY OF LABORATORY ANALYSES
INDUSTRIAL STORM WATER-NCS000574
CAPE FEAR STEAM STATION
APRIL 2016-March 2022
SW OaNall SWW2 SW003 SUMMARY OF LABORATORY ANALYSES
SamPBng Dah 6-Dec-16 20-Jan-17 15-Feb-17 27-May-20 25-Jun-21 23-Mar-22 6-Dec-16 20-tan-17 15-Feb-17 27-May-20 25-Jun-21 23-Mar-22 INDUSTRIAL STORMWATER
Total Rainfall Bnches) 0.28 0.31 0.47 0.95 0.11 0.03 0.28 0.31 0.47 0.95 0.11 0.03 APRIL 2016-AUGUST 20196
pH(6-9) N/A 6.35 N/A 6.7 6.8 6.9 6 6.54 646 6.7 6.2 6.6
T55(100 mg/L) N/A 13.6 N/A 7.8 10.3 7.1 17.9 14.6 11.6 24.5 246 6.3
Ag(0.0003 mg/L) N/A N/A N/A N/A N/A 10.0003 N/A N/A N/A N/A N/A <0.0003
A(0.34 mg/L) N/A N/A N/A N/A N/A 0.00103 N/A N/A N/A N/A N/A 10.001
M(0.065 mg/L) N/A N/A N/A N/A N/A <0.001 N/A N/A N/A N/A N/A 10.001
Cd(0.003 mg/L) N/A N/A N/A N/A N/A <0.001 N/A N/A N/A N/A N/A 10.001
Cr(0.9 mg/L) N/A N/A N/A N/A N/A <0.001 N/A N/A N/A N/A N/A <0.001
Cu(0.010 mg/L) N/A N/A N/A N/A N/A <0.002 N/A N/A N/A N/A N/A <0.002
Hg(ng/1) N/A N/A N/A N/A N/A 3.11 N/A N/A N/A N/A N/A 2.09
Ni(0.335 mg/L) N/A N/A N/A N/A N/A 0.00274 N/A N/A N/A N/A N/A 0.00575
Pb(0.075 mg/L) N/A N/A N/A N/A N/A <0.001 N/A N/A N/A N/A N/A <0.001
Sb(0.09 mg/L) N/A N/A N/A N/A N/A <0.001 N/A N/A N/A N/A N/A <0.001
Se(0.056 mg/L) N/A N/A N/A N/A N/A <0.001 N/A N/A N/A N/A N/A <0.001
TI(ug/l) N/A N/A N/A N/A N/A <0.2 N/A N/A N/A N/A N/A <0.2
2n(0.126 m9/L) N/A N/A N/A N/A N/A <0.w5 N/A N/A N/A N/A N/A 0.005
B(mg/I) N/A N/A N/A N/A N/A 0.452 N/A N/A N/A N/A N/A 1.4
OgG(15 mg/1) N/A 4 N/A <5.0 <5.0 <4.9 <4 7 4 <4 'Sr0 <4.9 <4.8

Young, Brianna A
From: Dishmon, Joyce Martin <[e-mail]>
Sent: Thursday, May 19, 2022 10:56 AM
To: Young, Brianna A
Cc: Stamas,Jonathan; Winston, Cynthia C;Zarzar, Issa J
Subject: RE: [EXTERNAL] Cape Fear Steam Electric Plant (NCS000574) stormwater permit renewal
application
Attachments: NCS000574 - Cape Fear Renewal File Update.pdf
CAUTION: External email. Do not click links or open attachments unless you verify.Send all suspicious email as an attachment to
Report Spam.
Hello Brianna,
I have attached the requested information for the Stormwater Permit Renewal File. Please let me know if you
have questions/comments or require additional information.
Regards,
Permitting and Compliance, Carolinas
Office: 336-623-0238
Cell: 336-394-5524
Email:[e-mail]
From: Young, Brianna A<[e-mail]>
Sent: Monday,April 18, 2022 11:58 AM
To: Bednarcik,Jessica L<Jessica.Bed [e-mail]>
Cc: Dishmon,Joyce Martin<Joyce.Dishmon @duke-energy.com>
Subject: [EXTERNAL] Cape Fear Steam Electric Plant (NCS000574) stormwater permit renewal application
CAUTION! STOP. • expecting
and spelling correct? Does the content make sense? Can you verify the sender? If suspicious report it, then do
not click links, open attachments or enter your ID or password.
Good morning,
I am working on renewing the individual stormwater permit for the Cape Fear Steam Electric Plant
(NCS000574). I need additional information in order to 1) confirm that the information I have is correct and 2)
make sure the permit adequately serves the needs of the facility. Please provide the following:
• An electronic spreadsheet summarizing all of the monitoring data that has been collected since the
effective date of the current permit;
• Verification that the information in the renewal application is still complete and correct; and
• An explanation of any operational changes since the renewal application was submitted.
1

Enter your stormwater permit number into the Stormwater Permit Summary Report and you will see a form that
includes the address of the facility, contact information for the permit, and the regulated stormwater outfall(s)for the
facility. Please review the facility information to make sure it is correct. Information can be updated using the links
provided below,where applicable:
• Facility/Company name or ownership: Name/Ownership Change Form
• Owner Affiliation (Legally responsible person; i.e., someone with the company who is designated to
represent the company per signatory requirements or another authorized representative): Permit Contact
Update Request Form
• Delegation of Signature Authority (DOSA): Permit Contact Update Request Form
• Billing contact: Permit Contact Update Request Form
• Permit contact: Permit Contact Update Request Form
• Facility contact: Permit Contact Update Request Form
• Facility address only: Email Bethany Geor og ulias
• Stormwater outfall information: Email Bethany Geor_og ulias
• Visit the eDMR Six Steps website and complete Steps I and 2.
• Pay outstanding permit fees: Stormwater ePayment website
Once I have the above listed information, I can continue my review. You will receive a draft permit for a 30-day
comment period. During this time we will be able to address any comments or concerns you have. During the
same 30-day period, the draft will be sent to a Regional Office staff member for review as well as out to public
notice. Once all comments and concerns are addressed, you may be issued a final permit.
Please contact me if you have any questions.
Thank you,
Brianna Young, MS(she/her/hers)
Industrial Individual Permits Coordinator
Stormwater Program
NC DEQ/Division of Energy, Mineral, and Land Resources (DEMLR)
[e-mail](e-mail preferred)
919-707-3647 (office)
Mailing address: 1612 Mail Service Center, Raleigh, NC 27699-1612
Physical address: 512 North Salisbury Street, Raleigh, NC 27604
Email correspondence to and from this address is subject to the North Carolina
Public Records Law and may be disclosed to third parties.
Based on the current guidance to minimize the spread of COVID-19,the Department of Environmental Quality has adjusted
operations to protect the health and safety of the staff and public. Many employees are working remotely or are on staggered shifts.
Please check with the appropriate staff before visiting our offices,as we may be able to handle your requests by phone or email.We
appreciate your patience as we continue to serve the public during this challenging time.
2

�•� DUKE Duke Energy Progress,LLC
ENERGY. 500 CP&L Road
PROGRESSMoncure,NC 27599
May 18,2022
Brianna Young
Industrial Individual Permits Coordinator
Stormwater Program
1612 Mail Service Center
Raleigh,NC 27699-1612
Subject: Duke Energy Progress,LLC
Cape Fear Steam Electric Station
NPDES Stormwater Permit NCS000574
Permit Renewal Application
Dear Ms.Young:
Per your email dated 4/18/2022, Cape Fear Steam Electric Station, CF, is submitting this letter as
verification that the information provided with the permit renewal application is still complete and correct
and that there have not been any operational changes.
This submittal includes updated analytical data for outfalls SWO02 and SW003.
Should you have any questions or need additional information, please contact Joyce Dishmon at 336-623-
0238 or email [e-mail].
I certify under penalty of law, that this document and all attachments were prepared under my
direction or supervision in accordance with a system designed to assure that qualified personnel
properly gather and evaluate the information submitted. Based on my inquiry of the person or
persons who manage the system, or those persons directly responsible for gathering the
information, the information submitted is, to the best of my knowledge and belief, true, accurate,
and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations
Sincerely,
Issa Zarzar
GM CCP Project Management
Attachment
cc:
Joyce Dishmon/Filenet,Carolinas Permitting&Compliance
Jonathan Stamas.Env Specialist

SUMMARY OF LABORATORY ANALYSES
INDUSTRIAL STORMWATER - NCS000574
CAPE FEAR STEAM STATION
APRIL 2016- March 2022
SW Outfall SWO02 SWO03
Sampling Date 27-May-20 25-Jun-21 23-Mar-22 27-May-20 25-Jun-21 23-Mar-22
Total Rainfall(inches) 0.95 0.11 0.03 0.95 0.11 0.03
pH (6-9) 6.7 6.8 6.9 6.7 6.2 6.6
TSS(100 mg/L) 7.8 10.3 7.1 24 246 6.3
Ag(0.0003 mg/L) N/A N/A <0.0003 N/A N/A <0.0003
As(0.34 mg/L) N/A N/A 0.00103 N/A N/A <0.001
Be(0.065 mg/L) N/A N/A <0.001 N/A N/A <0.001
Cd (0.003 mg/L) N/A N/A <0.001 N/A N/A <0.001
Cr(0.9 mg/L) N/A N/A <0.001 N/A N/A <0.001
Cu (0.010 mg/L) N/A N/A <0.002 N/A N/A <0.002
Hg(ng/1) N/A N/A 3.11 N/A N/A 2.09
Ni (0.335 mg/L) N/A N/A 0.00274 N/A N/A 0.00575
Pb (0.075 mg/L) N/A N/A <0.001 N/A N/A <0.001
Sb(0.09 mg/L) N/A N/A <0.001 N/A N/A <0.001
Se(0.056 mg/L) N/A N/A <0.001 N/A N/A <0.001
TI (ug/1) N/A N/A <0.2 N/A N/A <0.2
Zn (0.126 mg/L) N/A N/A <0.005 N/A N/A 0.005
B(mg/1) N/A N/A 0.452 N/A N/A 1.4014
0&G (15 mg/1) <5.0 <5.0 <4.9 <5.0 <4.9 <4.8

DUKE
ENERGY®
September 30, 2020
RECEIVED
Suzanne McCoy SEP 2 9 2020
NCDEMLR Stormwater Program
1612 Mail Service Center DENR-OND QUAUTY
Raleigh, North Carolina 27699-1612 STORMWATER PERMITTING
Subject: Duke Energy Progress, LLC
Cape Fear Steam Electric Plant
NPDES Stormwater Permit NCS000574
Permit Renewal Application
Dear Ms. McCoy:
Duke Energy Progress, LLC requests the subject permit be renewed and reissued. The subject permit
expires April 30, 2021. Section III, Part B of this permit requires the permit application for permit renewal
to be submitted at least 180 days prior to the expiration date of the permit.
Attached is the renewal application from and duplicate copies of the supplemental information. The fist
tissue monitoring results are also included as required by the letter dated October 2, 2017 from Annette
Lucas of NC Division of Energy, Mineral and Land Resources to Mr. Shannon Langley of Duke Energy.
Should you have any questions or need additional information, please contact Joyce Dishmon at 336-623-
0238 or [e-mail].
Sincerely,
Issa Zarzar
GM CCP Project Management
Attachments:
Renewal Application
Supplemental Information
Site Map from the Stormwater Pollution Prevention Plan
Summary of Analytical Monitoring Results
Summary of Visual Monitoring Results
Narrative of Significant Site Changes
Certification of the Development and Implementation of SPPP
Fish Tissue Monitoring Results

Permit Coverage
Renewal Application Form K,r- a National Pollutant Discharge Elimination System NP ES NC Permit Number
Environmental
Stormwater Individual Permit S 000574
Quality
Please provide your permit number in box in the upper right hand corner, complete the information in the space provided
below and return the completed renewal form along with the required supplemental information to the address indicated.
Owner Information * Address to which permit correspondence will be mailed
Owner/Organization Name: Duke Energy Progress,LLC
Owner Contact: Paul Draovitch
Mailing Address: 526 South Church Street
526 South Church Street RECEIVED
Phone Number: 980-373-0408
Fax Number:
E-mail address: [e-mail] SEP 2 9 2020
Facility Information
Facility
DENR-LAND QUALITY
lty Name: Cape Fear Steam Electric Plant STORMWATER PERMITTING
Facility Physical Address: 500 CP&L Road
Moncure,NC 27559
Facility Contact: Issa Zarzar
Mailing Address: 411 Fayetteville Street
Raleigh,NC 27601
Phone Number: 919-546-7574
Fax Number:
E-mail address: [e-mail]
Permit Information
Permit Contact: Joyce Dishmon
Mailing Address: 864 S.Edgewood Road
Eden,NC 27288
Phone Number: 336-635-0238
Fax Number:
E-mail address: [e-mail]
Discharge Information
Receiving Stream: Shaddox Creek
Stream Class: WS-Iv
Basin: Cape Fear River Basin
Sub-Basin: 03-06-07
Number of Outfalls: 2-SW02 and SW03
Facility/Activity Changes Please describe below any changes to your facility or activities since issuance of your permit. Attached a
separate sheet if necessary.
Cape Fear Steam Electric Station completed Demolition of the Steam Plant and Final Site Grading in May 2018. There has not been any changes to the stormwater drainage
areas for SW02 and SW03. Beneficiation is the approved method for ash removal at Cape Fear. The ash hauling will remain onsite and not effect the permitted outfalls.
A separate General Stormwater Permit,#NCG200530,was issued for the STAR unit. Duke is not planning to haul ash offsite at this time.
CERTIFICATION
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.
Signature " ^ Date ef l t 8 Z Zo Z d
Issa Zarzar GM CCP Project Managment
Print or type name of person signing above Title
Please return this completed application form DEMLR- Stormwater Program
and requested supplemental information to: Dept. of Environmental Quality
1612 Mail Service Center
Raleigh, North Carolina 27699-1612

Cape Fear Electric Steam Station
Storm Water Permit NCS000574
Individual Permit Application
Supplemental Information

SUPPLEMENTAL INFORMATION REQUIRED FOR RENEWAL OF INDIVIDUAL
NPDES STORMWATER PERMIT
Two copies of each of the following shall accompany this submittal in order for the application
to be considered complete:
(Do not submit the site Stormwater Pollution Prevention Plan)
Initials
JMD 1. A current Site Map from the Stormwater Pollution Prevention Plan. The location of
industrial activities (including storage of materials, disposal areas,process areas and
loading and unloading areas), drainage structures, drainage areas for each outfall,
building locations and impervious surfaces should be clearly noted.
JMD 2 A summary of Analytical Monitoring results during the term of the existing permit
(if your permit required analytical sampling). Do not submit individual lab reports.
The summary can consist of a table including such items as outfall number,
parameters4sampled, lab results, date sampled, and storm event data.
JMD 3. A summary of the Visual Monitoring results. Do not submit individual monitoring
reports. The summary can consist of a table including such items as outfall number,
parameters surveyed, observations, and date monitoring conducted.
JMD 4. A summary of the Best Management Practices utilized at the permitted facility.
Summary should consist of a short narrative description of each BMP's in place at
the facility. If the implementation of any BMP's is planned, please include
information on these BMP's.
JMD
5. A short narrative describing any significant changes in industrial activities at the
permitted facility. Significant changes could include the addition or deletion of
work processes, changes in material handling practices, changes in material storage
practices, and/or changes in the raw materials used by the facility.
JMD
6. Certification of the development and implementation of a Stormwater Pollution
Prevention Plan for the permitted facility (Sign and return attached form).
If the final year analytical monitoring of the existing permit term has not been completed
prior to filing the renewal submittal,then the last years monitoring results should be submitted
within 30 days of receipt of the laboratory reports. (i.e. do not withhold renewal submittal
waiting on lab results)

Attachment 1
Site Map

Legend
4
n Railroad Tracks
Streams A
Wetlands
2-ft Contours
Roads
■ ■ Drainage Areas SW-002 •
Property Line
• SW-003
•, Stormwater Outfall Description and Impervious
Permit
Outfalls Coordinates Receiving Water Body Drainage Area Area Monitoring Drainage Area Runoff Description
Table
35°35'41"N The drainage area consists of a small area adjacent to a short
S W-002 79'02,48„W 2 RCPs to UT to Shaddox Creek 9.9 acres 14% 1 section of the railroad track,a small employee parking lot,a
wooded employee picnic area,and vegetated open areas.
SW-003 35°35'35"N RCP to UT to Shaddox Creek 4.7 acres 8/ 1 The drainage area consists of drainage from the plant entrance
MEN- Feet 79'02'40"W road and parking areas
0 125 250 500 750 1 ,000
•: sri �i i � � I
(•� DUKE CAPE FEAR STORMWATER POLLUTION PREVENTION PLAN
ENERGY.: SITE PLAN
FIGURE 2

Attachment 2
Summary of Analytical Monitoring Data

SUMMARY OF LABORATORY ANALYSES
INDUSTRIAL STORMWATER
APRIL 2016 -AUGUST 20196
NPDES Stormwater Permit NCS000574
Cape Fear Steam Electric Plant
SW Outfall SWO02 SWO03
Sampling Date 27-May-20 27-May-20
Total Rainfall (inches) 0.95 0.95
pH (6 -9) 6.7 6.7
TSS(100 mg/L) 7.8 24
Ag(0.0003 mg/L) N/A N/A
As(0.34 mg/L) N/A N/A
Be(0.065 mg/L) N/A N/A
Cd (0.003 mg/L) N/A N/A
Cr(0.9 mg/L) N/A N/A
Cu (0.010 mg/L) N/A N/A
Hg(ng/1) N/A N/A
Ni (0.335 mg/L) N/A N/A
Pb (0.075 mg/L) N/A N/A
Sb (0.09 mg/L) N/A N/A
Se(0.056 mg/L) N/A N/A
TI (ug/1) N/A N/A
Zn (0.126 mg/L) N/A N/A
B(mg/1) N/A N/A
0&G (15 mg/1) <5.0 <5.0

Attachment 3
Summary of Visual Monitoring Data

Cape Fear Steam Electric Plant Site Contact: Jonathan Stamas
Phone Number: 919-516-1986
Stormwater Outfall: NPDES SW Permit#NCS000574: SWO02
DATE SAMPLED 9/19/2016 9/21/2016 12/6/2016 1/20/2017 2/15/2017 4/24/2017 Average
Clear to Lt
Color Grey Clear Light Grey Light Grey Lt Brown Light Grey light clear
Odor None None None None None None None
Clarity 1 1 2 1 2 2 1.5
Floating Solids 1 1 1 1 1 1 1.0
Suspended Solids 1 1 1 1 2 2 1.3
Foam (Y/N) None None None None None None None
Oil Sheen (Y/N) None None None None None None None
Erosion/Deposition (Y/N) None None None None None None None
Rain Event Accumulation (in) 0.62 0.55 0.28 0.30 0.47 0.39 0.44
Stormwater Outfall: NPDES SW Permit#NCS000574: SWO02
DATE SAMPLED 6/5/2017 9/13/2017 12/8/2017 3/26/2018 5/22/2018 9/14/2018 Average
Color Lt Brown Light Grey Lt Brown Grey Grey/Green Lt Grey light clear
Odor None None None None None None None
Clarity 2 1 2 2 2 1 1.7
Floating Solids 1 2 1 1 2 2 1.0
Suspended Solids 2 1 2 1 2 1 1.5
Foam (Y/N) None None None None None None None
Oil Sheen (Y/N) None None None None None None None
Erosion/Deposition (Y/N) None None None None None None None
Rain Event Accumulation (in) 0.33 0.43 1.04 0.39 0.24 1.68 0.69
Stormwater Outfall: NPDES SW Permit#NCS000574: SWO02
DATE SAMPLED 11/12/2018 3/8/2019 6/11/2019 12/13/2019 3/25/2020 5/27/2020 Average
Color Lt Grey Lt Brown Lt Brown Clear Lt Grey Lt Tan light clear
Odor None None None None None None None
Clarity 2 2 2 1 2 2 1.8
Floating Solids 1 1 1 1 1 1 1.0
Suspended Solids 2 2 2 1 1 1 1.5
Foam (Y/N) None None None None None None None
Oil Sheen (Y/N) None None None None None None None
Erosion/Deposition (Y/N) None None None None None None None
Rain Event Accumulation (in) 2.89 0.25 0.22 1.67 1.15 1 0.95 1.19

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Attachment 4
Summary of Best Management Practices

CKJKE
ENERGY.
Location: Cape Fear Steam Electric Plant
SDO Narrative Description and BMP Summary Permit No.: NCS000574
Outfall ID SW002
Discharge Structure Two 16-inch RCPs
Location UT to Shaddox Creek
Latitude - Longitude 35035'41" N
79°02'48"W
Drainage Area 9.9 acres
Percent Impervious 14%
Permit Monitoring Table 1
Industrial Activities and Drainage Area 2 consists of a small area adjacent to a short section of the
Description railroad track, a small employee parking lot, a wooded employee picnic area,
and grassy lawns. This drainage area ultimately discharges to an unnamed
tributary of Shaddox Creek.
Significant Materials/ Truck Transport (Solid): Coal Ash
Potential Pollutants
BMP Summary Delivery Vehicles:
• Inspect all vehicles arriving on the plant site and ensure overall
integrity of the body or container.
• Control leakage or spillage from vehicles or containers and ensure
that proper protective measurement.
Inert Material
• Organize material to prevent struck-by accidents.
• Evaluate excess material and properly discard as necessary.
Truck Transport
• Inspect loading/unloading areas and clean-up fugitive material,
as needed.
• In the event that significant amounts of fugitive material are
observed, an inquiry into cause of material loss and potential
solutions shall be considered.

KE
ENERGY.
Location: Cape Fear Steam Electric Plant
SDO Narrative Description and BMP Summary Permit No.: NCS000574
Outfall ID SWO03
Discharge Structure 16-inch RCP
Location LIT to Shaddox Creek
Latitude - Longitude 35035'35" N
79002'40"W
Drainage Area 4.7 acres
Percent Impervious 8%
Permit Monitoring Table 1
Industrial Activities and Drainage Area 3 consists of drainage from the plant entrance road and
Description parking areas. This area ultimately discharges to an unnamed tributary to
Shaddox Creek.
Significant Materials/ Truck Transport (Solid): Coal Ash
Potential Pollutants
Delivery Vehicles:
BMP Summary 0 Inspect all vehicles arriving on the plant site and ensure overall
integrity of the body or container.
• Control leakage or spillage from vehicles or containers and ensure
that proper protective measurement.
Inert Material
• Organize material to prevent struck-by accidents.
• Evaluate excess material and properly discard as necessary.
Truck Transport
• Inspect loading/unloading areas and clean-up fugitive material,
as needed.
• In the event that significant amounts of fugitive material are
observed, an inquiry into cause of material loss and potential
solutions shall be considered.

Attachment 5
Narrative of Significant Site Changes

Cape Fear Steam Electric Station
Industrial Activity Changes
The most significant change at the site since the issuance of
permit NCS000574 on May 27, 2016 include the following:
• Completion of demolition and final grading of the
Cape Fear Electric Steam Station in May 2018.

Attachment 6
Certification of Development and Implementation of
Storm Water Pollution Prevention Plan

STORMWATER POLLUTION PREVENTION PLAN
DEVELOPMENT AND IMPLEMENTATION
CERTIFICATION
North Carolina Division of Energy, Mineral, and Land Resources—Stormwater Program
Facility Name: Cape Fear Steam Electric Plant
Permit Number: NCS000574
Location
Address: 500 C,P and L Road
_ Moncure, NC 27559
County: Chatham
"I certify, under penalty of law, that the Stormwater Pollution Prevention Plan (SPPP) document and all
attachments were developed and implemented under my direction or supervision in accordance with a system
designed to assure that qualified personnel properly gather and evaluate the information required by the SPPP.
Based on my inquiry of the person or persons who manage the system, or those persons directly responsible
for gathering the information, the information gathered is, to the best of my knowledge and belief, true, accurate
and complete."
And
,,I certify that the SPPP has been developed, signed and retained at the named facility location, and the SPPP
has been fully implemented at this facility location in accordance with the terms and conditions of the stormwater
discharge permit."
And
"I am aware that there are significant penalties for falsifying information, including the possibility of fines and
imprisonment for knowing violations."
Sign (according to permit signatory requirements) and return this Certification. DO NOT
SEND STORMWATER POLLUTION PREVENTION PLAN WITH THIS CERTIFICATION.
Signature �'�-�� . Date I 20Lc�
Issa J. Zarzar GM — East Region, CCP O&M
Print or type name of person signing above Title
SPPP Certification 10/13

Attachment 7
Fish Tissue Monitoring Results

Reference for Station Location Changes
Prior to 2019,Trace Element Fish sampling locations reflected plant operations and river accessibility.
The UP station was located near the site's intake, the DI station near the mouth of Gulf Creek into the
Cape Fear River, and the DN station located below Buckhorn Dam. When NPDES Permit NC0003433 was
modified and issued, the location of Outfall 008 was placed at our historically established UP station.
Therefore, new stations were assigned to reflect this change starting in 2019. Two up stations (UP_D,
UP_H) were assigned above the confluence in the Deep and Haw rivers respectively. The DI station was
moved near Outfall 008 to monitor nearfield TE fish. The DN station below Buckhorn Dam was removed
as historical data had shown no biological effects from plant operations were present.
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Figure 2. Sampling areas for trace element fish tissue monitoring in the Cape Fear River for 2019-2020.
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