HomeMy WebLinkAboutNCS000546_2020 DMR_20210114� DUKE
ENERGY
January 13, 2021
NCDEQ, Mooresville Regional Office
Attn: DEMLR 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
25.3 Plant Allen Rd.
Bebnont, 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 December 31, 2020. Samples were collected
for the period at outfalls SW007, SW009, SW010, SW016, SW018 and SW020 on December 14, 2020.
The laboratory analysis results were received on December 29, 2020. Duke Energy has performed the
steps required by the Tier II and Tier III for these outfalls. There was no sample collected at outfalls SW001,
SWO13-10 and SW013-13 for the period, due to No Qualifying Flow condition.
Outfalls SW002, SW008 and SW015 were sampled on December 14, 2020 and the analysis results are
included on this DMR. This DMR also contains the NO FLOW status of outfalls during the period of October
1, 2020 through December 31, 2020.
Analytes sampled above the benchmark values for analytical monitoring are as follows.
Outfall
Parameter
Result
Benchmark
SW007
Zinc
0.283 mg/L
0.126 mg/L
W010
Copper
0.0104 mg/L
0.0I0 mg/L
SW020
TSS
2200 mg/L
100 mg/L
W020
Copper
0.288 mg/L
0.010 mg/L
SW020
Zinc
0.395 mg/L
0.126 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,
d� atl��
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 9293 1283
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