NCS000546 DMR SW (10)

May 11, 2016
NC Department of Environmental Quality
Attention. Central Files
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-1617
Subject: Duke Energy Carolinas, LLC
NPDES Storm Water Discharge Monitoring Report for.
Allen Steam Station MNCSO 40RO— Gaston County
Allen Steam Station
Duke Energy
253 Plant Allen Rd.
Belmont, NC 28012
In accordance with Part III, E(2) of the above referenced NPDES Storm Water permit, the
original and one copy of the monthly monitoring reports for the outfalls that have been classified
as Tier 2 and are now subject to monthly sampling, are attached. The period for sampling ended
on April 30, 2016.
Enclosed is the DMR for outfalls SWO18 and SW020. These outfalls are indicated as "No
Flow" for the sampling period. There were no samples collected from these outfalls due to
either night time rainfall events or lack of measurable storm events.
Please direct any correspondence or questions concerning the Allen Steam Station NPDES
Storm Water Program to Ross Hartfield at [phone]
Yours truly,
Brent Dueitt, General Manager II
Allen Steam Station
Fossil Hydro- Carolinas West
Attachments
bc: w/attachment
Ross Hartfield
Tina Woodward
Don Scruggs
UPS Tracking: 1Z X67 601 42 9496 0757

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCS 000546 SAMPLES COLLECTED DURING CALENDAR YEAR: 2016
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
FACILITY NAME Allen Steam Station
PERSON COLLECTING SAMPLE(S) Staff/Vendor
CERTIFIED LABORATORY(S) Duke Energy of the Carolinas, LLC Lab #248
Shealy Environmental Services, NC Lab #329
Part A: Specific Monitoring Requirements
COUNTY Gaston
PHONE NO. [phone]
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall Date
No. Sample
Collected
50050
00556
00530
00400
Total Flow
(if applicable)
Total
Flow if a
Oil & Grease
(if appl.)
Non -polar
O&G/TPH
(Method 1664
SGT -HEM), if
appl.
Total
Suspended
Solids
pH
New Motor
Oil Usage
mo/dd/ r
MG
mo/dd/ r
MG
m /I
unit
al/mo
SWO18 * N/A
N/A
"NO FLOW" AT THIS OUTFALL DURING THE
MONTH OFApril, 2016.
SW020 * N/A
N/A
"NO FLOW" AT THIS OUTFALL DURING THE MONTH OFApril, 2016.
* THESE OUTFALLS HAVE ELEVATED TO THE TIER 2 STATUS FOR TSS AND MUST BE SAMPLED ON A MONTHLY BASIS UNTIL THREE CONSECUTIVE
SAMPLE RESULTS ARE BELOW THE BENCHMARK VALUE OR WITHIN BENCHMARK RANGE.
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _ yes x no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall Date
No. Sample
Collected
50050
00556
00530
00400
Total Flow
(if applicable)
Total
Rainfall
Oil & Grease
(if appl.)
Non -polar
O&G/TPH
(Method 1664
SGT -HEM), if
appl.
Total
Suspended
Solids
pH
New Motor
Oil Usage
mo/dd/ r
MG
inches
m /I
m /I
unit
al/mo
Form S WU-247, last revised 212/2012
Page 1 of 4

STORM EVENT CHARACTERISTICS:
Date N/A
Total Event Precipitation (inches): N/A
Event Duration (hours): N/A (only if applicable — see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one copy to:
Division of Water Quality
Attn• Central Files
1617 Mail Service Center
Raleigh, North Carolma 27699-1617
"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."
(Signature of Permittee)
S l 1(0
(Date)
Form SWU-247, last revised 2/2/2012
Page 2 of 4