HomeMy WebLinkAboutNCS000546_2021 DMR_2021042240A) KE
EN RGY
April 20, 2021
NCDEQ, Mooresville Regional Office
Attn: DEMI_R Stormwater Program
610 East Center Ave., Suite 301
Mooresville, N.C. 28115
Subject: Duke Energy Carolinas, LLC
NPDES Storm Water Discharge Monitoring Report for:
Allen Steam Station — NCS000546 — Gaston County
Allen Steam Station
253 Plant Allen Rd.
Belmont, NC 28012
704 829 2587
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 are attached. The samples collected are required monthly due to
Tier Two or Tier Three Status. The period for sampling ended March 31, 2021. Samples were collected for
the period at outfalls SW007, SW009, SW010, SW013-10, SW016, SWO18 and SW020 on March 16, 2021.
The laboratory analysis results were received on March 31, 2021. Duke Energy has performed the steps
required by the Tier II and Tier III for these outfalls. There were no samples collected at outfalls SWO01 and
SW013-13 for the period, due to No Qualifying Flow condition.
Outfall SWO03 was sampled on March 16, 2021 and the analysis results are included on this DMR. This
DMR also contains the NO FLOW status of outfalls during the period of January 1, 2021 through March 31,
2021.
Analytes sampled above the benchmark values for analytical monitoring are as follows.
Outfall
Parameter
Result
Benchmark
WO07
Zinc
0.168 mg/L
0.126 mg/L
W010
Copper
0.015 mg/L
0.010 mg/L
W0I0 I
TSS
140 mg/L
100 mg/L
All values reported on the attached reports are dependent on the accuracy of approved analytical methods
used to measure parameters.
Please direct any correspondence or questions concerning the Allen Steam Station NPDES Storm Water
Program to Elizabeth Glenn (980) 373-0530 or Randy Gantt (704) 829-2587.
Yours truly,
ZtL zgeeAv-
Rick R. Roper, General Manager III
Allen Steam Station
Duke Energy Carolinas, LLC
Attachments
bc: w/attachment Elizabeth Glenn
UPS Tracking: 1Z X67 601 42 9312 3387
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