NCS000379_DMR data_20230104

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December 16, 2022
NCDEQ
Water Quality Section
Attn: Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
Reference: NPDES Storm Water Permit #: NCS000379
Attn: Central Files
NUCOR STEEL HERTFORD
1505 River Road
Cofield, NC 27922
252.356.3700
RECEIVED
AN 0 4 2023
0EiNLR-Stormwater Program
Attached you will find a Stormwater Discharge Monitoring Report (DMR) for our Stormwater
Discharge Outfall (SDO) for ponds Al, A3, 61 and C1.
The total flows for each of these ponds were calculated using 100 percent runoff for the drainage
basins and are therefore over estimated due to infiltration.
If you should have any questions, please contact me at [phone].
Sincerely,
Molly Miller
Environmental Engineer
www.nucor.com

STORMWATER DISCHARGE OUTFALL (SDO)
QUALITATIVE MONITORING REPORT
Certificate of Coverage No, NCS
Facility Nai
County:
Inspector
Date of Ins
Time of In:
000379
Was this a "Measurable Storm Event" as defined by the permit? Yes
By this signature, I�I certify that this report is accurate and complete to the best of my
knowledge:
(Signature o Per�mit.teeoorr Designee)
1. Outfall Description
Oulfall No. At Structure (pipe, ditch,etc.): Pipe
Receiving Stream: Onsite wefland eventually leading to Chowan River
Describe the industrial activities that occur within the outfall drainage area:
Scrap Movements via Truck and Rail, Light Vehicular Traffic, Slag Processing
2. Color
Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors:
3. Odor
Describe any distinct odors that the discharge may have (i.e. smells strongly of oil, weak
chlorine odor, etc.):
4. Clarity
Choose the number which best describes the clarity of the discharge, where 1 is clear & 5 is cloudy.
NIA 1 2 3 4 5
5. Floating Solids
Choose the number which best describes the amount of floating solids in the stormwater discharge,
where 1 is no solids & 5 is the surface covered with floating solids.
N/A 1 2 3 4 5
6. Suspended Solids
Choose the number which best describes the amount of suspended solids in the stormwater discharge,
where 1 is no solids and 5 is extremely muddy.
N/A 1 2 3 4 5
7. Foam
Is there any foam in the stormwater discharge? Yes No N/A
8.Oil Sheen
Is there an oil sheen in the stormwater discharge? Yes No N/A
9. Erosion/Deposition
Is there evidence of erosion or deposition at the outfall? Yes No N/A
10. Other Obvious Indicators of Stormwater Pollution
OEMLR-Stormwater Program

STORM EVENT CHARACTERISTICS:
Date 11/16/2022
Total Event Precipitation (inches): 0.43
Event Duration (hours): 24
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours):
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 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 possiblity of fines and imprisonment for knowing violations."
(Signature of Permittee)
p4lglm
(Date)

STORMWATER DISCHARGE OUTFALL (SDO)
tSMiltkill1411=0 ilt
Pemit Number NCS NCS000379
FACILITY NAME Nucor Steel
PERSON COLLECTING SAMPLE(S) Michael Sitarski
CERTIFIED LABORATORY(S) Environmental Chemists, Inc. Lab#: 22-56852
PartA: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2022
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the samples results from the laboratory.)
COUNTY Hertford
E P O25
A ff., 356-3700
(� URE ORMITEE OR DESIGNEE)
By this signature, I cerfify that this report is accurate
complete to the best of my knowledge.
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _X_yes _no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall No.
Date Sample
Collected
50050
Total Flow
Oil and
Grease
Total
Suspended
Solids
pH
New Motor Oil
Usage
mold r
MG
m /I
m A
m /I
gal
At
11/16/22
<5.0
<2.5
8.93
409

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Pemit Number NCS NCS000379
FACILITY NAME Nucor Steel
PERSON COLLECTING SAMPLE(S) Michael Siterski
CERTIFIED LABORATORY(S) Environmental Chemists, Inc. Lab#: 22-56852
PartA: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2022
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the samples results from the laboratory.)
COUNTY Hertford
PI-JpjilFyNO 52) 356-3700
(SIGNATURE OF PERMITEE OR DESIGNEE)
PERMITEE OR DESIGNEE)
Sy this signature, I certify that this report is accurate
complete to the best of my knowledge.
��0
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Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _X_yes _no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
No.
Date Sample
Collected
50050
Total Flow
Oil and
Grease
Total
Suspended
Solids
pH
New Motor Oil
Usage
mo/dd/ r
MG
m /I
m /I
m /I
gal
At
11/16/22
<5.0
<2.5
8.93
409

RECEIVED
STORMWATER DISCHARGE OUTFALL (SDO)
QUALITATIVE MONITORING REPORT
Certificate of Coverage No. NCS
Facility Nai
County:
Inspector
Date of Ins
Time of Ins
000379
Was this a "Measurable Storm Event' as defined by the permit? Yes
By this signature, I certify that this reepporttiiss accurate and complete to the best of my
knowledge: Ao 44 "4
(Signature df Permittee or Designee)
1.Ouffall Description
Outfall No. B1 Structure (pipe, ditch,etc.): Pipe
Receiving Stream: Onsite wetland eventually leading to Chowan River
Describe the industrial activities that occur within the ouffall drainage area:
Scrap Movements via Truck and Rail, Light Vehicular Traffic, Slag Processing
2. Color
Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors:
Clear
3. Odor
Describe any distinct odors that the discharge may have (i.e. smells strongly of oil, weak
chlorine odor, etc.):
4. Clarity
Choose the number which best describes the clarity of the discharge, where 1 is clear & 5 is cloudy.
1 2 3 4 5
5. Floating Solids
Choose the number which best describes the amount of floating solids in the stormwater discharge,
where 1 is no solids & 5 is the surface covered with floating solids.
1 2 3 4 5
6. Suspended Solids
Choose the number which best describes the amount of suspended solids in the stormwater discharge,
where 1 is no solids and 5 is extremely muddy.
1 2 3 4 5
7. Foam
Is there any foam in the stormwater discharge? Yes No
8.Oil Sheen
Is there an oil sheen in the stormwater discharge? Yes No
9. Erosion/Deposition
Is there evidence of erosion or deposition at the outfall? Yes No
10.Other Obvious Indicators of Stormwater Pollution
o 4 2021
OEMLR-Stormwater Program

STORM EVENT CHARACTERISTICS:
Date 11/16/2022
Total Event Precipitation (inches): 0.43
Event Duration (hours): 24
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours):
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 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 possiblity of fines and imprisonment for knowing violations."
I �JICUJLa
(Date)

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Pemil Number NCS NCS000379 SAMPLES COLLECTED DURING CALENDAR YEAR: 2022
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the samples results from the laboratory.)
FACILITY NAME Nucor Steel COUNTY Hertford
PERSON COLLECTING SAMPLE(S) Michael Sitarski PQj•1FId 52 356-3700
CERTIFIED LABORATORY(S) Environmental Chemists, Inc. Lab#: 22-56853 IV�((�i
(SIGNATURE OF PERMITEE OR DESIGNEE)
By this signature, I certify that this report is accurate
complete to the best of my knowledge.
Part A: Specific Monitoring Requirements
0�
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----------
----------
----------
----------
----------
----------
----------
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _X_yes _no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall No.
Date Sample
Collected
50050
Total Flow
Oil and
Orland
Total
Suspended
Solids
pH
New Motor Oil
Usage
molddlyr
MG
m /I
m /I
m /I
gal
B1
11/16/22
2.008191504
<5
8.8
7.24
409

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Pemit Number NCS NCS000379
FACILITY NAME Nucor Steel
PERSON COLLECTING SAMPLE(S) Michael Sitarski
CERTIFIED LABORATORY(S) Environmental Chemists, Inc. Lab#: 22-56853
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2022
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the samples results from the laboratory.)
COUNTY Hertford
PHONE NO„ � 52) 356-3700
(SIGNATURE OF PERMITEE OR DESIGNEE)
OF PERMITEE OR DESIGNEE)'
By this signature, I certify that this report is accurate
complete to the best of my knowledge.
Outfall
No.
Date Sample
Collected
50050
Total Flow
Zinc
Magnessium
Copper
Mercury
Antimony
mo/dd/ r
MG
m /I
m /I
m /I
m /I
m /I
Bt
11/16/22
2.008191504
<0.01
3.32
<0.01
0.000000700
<0.01
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _X_yes _no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
No.
Date Sample
Collected
50050
Total Flow
Oil and
Grease
Total
Suspended
Solids
PH
New Motor Oil
Usage
mo/dd/ r
MG
m /I
m /I
m /I
gal
B1
11/16/22
2.008191504
<5
6.8
7.24
409
I
j
Il i' I
ii
I

RECEIVED
STORMWATER DISCHARGE OUTFALL (SDO)
QUALITATIVE MONITORING REPORT
Certificate of Coverage No. NCS 000379
Facility Name:
Nucor Steel
County:
Hertford Phone No. [phone]
Inspector
Michael Sitarski
Date of Inspection:
11/16/2022
Time of Inspection:
9:30:00 AM
Was this a "Measurable Storm Event" as defined by the permit? Yes
By this signature, I certify that this report
tiiss accurate and complete to the best of my
knowledge:
(Signature of Permittee or Designee)
1. Outfall Description
Outfall No. A3 Structure (pipe, dilch,etc.): Pipe
Receiving Stream: Onsite wetland eventually leading to Chowan River
Describe the industrial activities that occur within the outfall drainage area:
Scrap Movements via Truck and Rail, Light Vehicular Traffic, Slag Processing
2. Color
Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors:
3. Odor
Describe any distinct odors that the discharge may have (i.e. smells strongly of oil, weak
chlorine odor, etc.):
4. Clarity
Choose the number which best describes the clarity of the discharge, where 1 is clear & 5 is cloudy.
N/A 1 2 3 4 5
5. Floating Solids
Choose the number which best describes the amount of floating solids in the stormwater discharge,
where 1 is no solids & 5 is the surface covered with floating solids.
N/A 1 2 3 4 5
6. Suspended Solids
Choose the number which best describes the amount of suspended solids in the stormwater discharge,
where 1 is no solids and 5 is extremely muddy.
N/A 1 2 3 4 5
7. Foam
Is there any foam in the stormwater discharge? Yes No NIA
8. Oil Sheen
Is there an oil sheen in the stormwater discharge? Yes No NIA
9. Erosion/Deposition
Is there evidence of erosion or deposition at the outfall? Yes No N/A
10. Other Obvious Indicators of Stormwater Pollution
.IAN 04 2023
DEMLR-Stormwater Program

STORM EVENT CHARACTERISTICS:
Date 11/16/2022
Total Event Precipitation (inches): 0.43
Event Duration (hours): 24
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours):
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 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 possiblity of fines and imprisonment for knowing violations."
of
I a/&/aa
(Date)

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Pernil Number NCS NCS000379
FACILITY NAME Nucor Steel
PERSON COLLECTING SAMPLE(S) Michael Sitarski
CERTIFIED LABORATORY(S) Environmental Chemists, Inc. Lab#: 22-56851
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2022
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the samples results from the laboratory.)
COUNTY Hartford
PHTt tj0. (2y) 356-3700
(SIGNATURE OF ERMITEE OR DESIGNEE)
By this signature, I certify that this report is accurate
complete to the best of my knowledge.
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _X--yes no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall No.
Date Sample
Collected
50060
Total Flow
Oil and
Grease
Total
Suspended
Solids
PH
NavyMotor Oil
Usage
mo/dd/ r
MG
an d
m/l
m A
gal
A3
11/16/22
<5.0
<2.5
7.94
409

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Pemit Number NCS NCS000379
FACILITY NAME Nucor Steel
PERSON COLLECTING SAMPLE(S) Michael Sitarski
CERTIFIED LABORATORY(S) Environmental Chemists, Inc. Lab#: 22-56851
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2022
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the samples results from the laboratory.)
COUNTY Hertford
P¢(0 E,NO.A 52) 356-3700
(SI NN TURE OF PERMITEE OR DESIGNEE)
PERMITEE OR DESIGNEE)
By this signature, I certify that this report is accurate
complete to the best of my knowledge.
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _X_yes _no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
No.
Date Sample
Collected
50050
Total Flow
Oil and
Grease
Total
Suspended
Solids
pH
New Motor Oil
Usage
mo/dd/ r
MG
m /I
m /I
m /I
gat
A3
11/16/22
<5.0
<2.5
7.94
409

RECEIVED
STORMWATER DISCHARGE OUTFALL (SDO)
QUALITATIVE MONITORING REPORT
Certificate of Coverage No. NCS
Facility Name: Nucor Ste
County: Hertford
Inspector Michael S
Date of Inspection: 11/16/20:
Time of Inspection: 11:I
000379
Was this a "Measurable Storm Event' as defined by the permit?
By this signature, I certify that this report is accurate and complete to the best of my
knowledge:
/w'�1.�
(Signatur of Permiflee or Designee)
1. Outfall Description
Outfall No. C1 Structure (pipe, ditch,etc.): Pipe
Receiving Stream: Onsite wetland eventually leading to Chowan River
Describe the industrial activities that occur within the outfall drainage area:
Scrap Movements via Truck and Rail, Light Vehicular Traffic, Slag Processing
2. Color
Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors:
3. Odor
Describe any distinct odors that the discharge may have (i.e. smells strongly of oil, weak
chlorine odor, etc.):
NA
4. Clarity
Choose the number which best describes the clarity of the discharge, where 1 is clear & 5 is cloudy.
1 2 3 4 5
6. Floating Solids
Choose the number which best describes the amount of floating solids in the stormwater discharge,
where 1 is no solids & 5 is the surface covered with floating solids.
1 2 3 4 5
6. Suspended Solids
Choose the number which best describes the amount of suspended solids in the stormwater discharge,
where 1 is no solids and 5 is extremely muddy.
1 2 3 4 5
7. Foam
Is there any foam in the stormwater discharge? Yes No
8. Oil Sheen
Is there an oil sheen in the stormwater discharge? Yes No
9. Erosion/Deposition
Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution
AN 0 4 2023
DEMLR-Stormwater Program

STORM EVENT CHARACTERISTICS:
Date 11/16/2022
Total Event Precipitation (inches): 0.43
Event Duration (hours): 24
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours):
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 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 possiblity of fines and imprisonment for knowing violations."
of Permittee)
I a
(Date)

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Pemit Number NCS NCS000379
FACILITY NAME Nucor Steel
PERSON COLLECTING SAMPLE(S) Michael Sitarski
CERTIFIED LABORATORY(S) Environmental Chemists, Inc. Lab#: 22-56854
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2022
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the samples results from the laboratory.)
COUNTY Hertford
TE O. 52)356-3700
(SIGNATURE O ERMITEE OR DESIGNEE)TURE O ERMITEE OR DESIGNEE)
By this signature. I certify that this report is accurate
complete to the best of my knowledge.
----------
----------
----------
----------
----------
----------
----------
----------
----------
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _X_yes _no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall No.
Date Sample
Collected
50050
Total Flow
Oil and
Grease
Total
Suspended
Solids
pH
New Motor Oil
Usage
molddfyr
MG
m I
m /I
m /I
gal
Ct
11/16/22
1.027446816
<5.0
6.6
7.87
409

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Pemit Number NCS NGS000379
FACILITY NAME Nucor Steel
PERSON COLLECTING SAMPLE(S) Michael Sitarski
CERTIFIED LABORATORY(S) Environmental Chemists, Inc. Lab#: 22-56854
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2022
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the samples results from the laboratory.)
COUNTY ertford
QN� N' ` [phone]
( I MAT RE OF PERMITEE OR DESIGNEE)
OR DESIGNEE)
By this signature, I certify that this report is accurate
complete to the best of my knowledge.
Outfall
No.
Date Sample
Collected
50050
Total Flow
Zinc
Magnessium
Copper
Mercury
Antimony
mo/dd/ r
MG
m /I
m /I
m /I
m /I
m /I
Ct
11/16/22
1.027446816
<0.01
3.25
<0.1
<0.0000005
<0.01
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _X_yes _no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
No.
Date Sample
Collected
50050
Total Flow
Oil and
Grease
Total
Suspended
Solids
pH
New Motor Oil
Usage
mo/dd/ r
MG
m /I
m /I
m /I
gal
Cl
11/16/22
1.027446816
<5.0
6.6
7.87
409