NC0038377_Monitoring Data Results_20200826

(' DUKE Mayo Steam Station
10660 ENERGY! Road
Roxboro, NC Boston 27574
•
August 26, 2020 rgEOWE
ELECTRONIC SUBMITTAL AUG 3 1 2020
Mr. Danny Smith, Director - 1
North Carolina Division of Water Resources
DIVISION OF WATER RESOURCES
Address: [e-mail] r DIRECTOR'S OFFICE
Subject: Duke Energy Progress, LLC
Mayo Steam Station
EMC SOC WQ S 18-005
3rd Quarter 2020 - Monitoring Data Results
Dear Mr. Smith:
In accordance with paragraph 2. e. 3)of the NC Environmental Management Commission
Special Order by Consent, EMC SOC WQ S18-005, Duke Energy Progress, LLC is hereby
submitting the Crutchfield Branch monitoring results for 3rd quarter of 2020.
If you have any questions, please contact Ms. Lori Tollie [phone].
I certi, 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,
Tom Copolo- Manager
Mayo Electric Generating Plant

DUKE Mayo Steam Station
10660e5ORGY. Roxboro Boston R54
. NC 27574
August 26, 2020
ELECTRONIC SUBMITTAL
Mr. Danny Smith, Director
North Carolina Division of Water Resources
Address: [e-mail]
Subject: Duke Energy Progress, LLC
Mayo Steam Station
EMC SOC WQ S 18-005
3rd Quarter 2020- Monitoring Data Results
Dear Mr. Smith:
In accordance with paragraph 2. e. 3) of the NC Environmental Management Commission
Special Order by Consent, EMC SOC WQ S 18-005, Duke Energy Progress, LLC is hereby
submitting the Crutchfield Branch monitoring results for 3rd quarter of 2020.
If you have any questions, please contact Ms. Lori Tollie [phone].
I cert6/, 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. 1 am aware that there are significant penalties for submitting false information,
including the possibility offines and imprisonment for knowing violations.
Sincerely,
Tom Copolo- Manager
Mayo Electric Generating Plant

Duke Energy Carolinas,LLC-Mayo Steam Station
Special Order by Consent-SOC No.S18-005
Monitoring Report for 3rd Quarter of 2020
z
v ( v v Y
v ° L c L E — E v v v v >
-o '5 E ,_, 7 v v -o
a O @ N �n Oao O Oa To v N Z EO `�- p 1 2 a ao
SAMPLING Date - °� °' u v u 1 z v01i v 8 `^ u f6 Ea.i OO
ro LOCATION Sampled o v
z
- - - - Total Total Total Total Total Total Total Total Total Total Total Total - - - - - Total -
mg/L mg/L SU ug/L ng/L ug/L ug/L _ ug/L i ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L mg/L mg/L mg/L mg/L mg/L mg/L °C umho/cm
Instream 7/28/2020 6.9 110 **2.48 34 <5 <1 1280 <0.1 <1 <1 <0.2 <0.2 <1 < 1 0.13 0.46 27 38 195 106 22 211
Crutchfield Branch
*Annual Monitoring Only
**Duplicate was gathered at this location and the respective values averaged

Duke Energy Carolinas,LLC-Mayo Steam Station
Special Order by Consent-SOC No.S18-005
Monitoring Report for 3rd Quarter of 2020
z
m
7 u C C C v 7 'O 0) - -O_ y! la -O iC
0 - Q - .., -- ✓� ti u
H 0. 0 N � N � O O p u 4+ Z " O OI
0 7
SAMPLING Date rrn ,i 2 m < co r u s z c v 0 t ~ E a
LOCATION Sampled — ~ m u o
O U
Z
- - Total Total Total Total Total Total Total Total Total Total Total Total - - - Total - -
mg/L mg/L SU ug/L ng/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L mg/L mg/L mg/L mg/L mgjL mg/L 'C umho/cm
Instream 7/28/2020 6.9 110 ** 2.48 34 <5 <1 1280 <0.1 <1 <1 <0 2 <0.2 < 1 <1 0 13 0.46 27 38 195 106 22 211
Crutchfield Branch
*Annual Monitoring Only
**Duplicate was gathered at this location and the respective values averaged