NCG200353_DMR_20240301

STORMWATER DISCHARGE OUTFALL (SDO)
ANNUAL SUMMARY DATA MONITORING REPORT (DIfflpartment cf
Calendar Year 2023 nvlro mental Qual;ty
Received
MAR 0 1 2024
General Permit No. NCG200000
Certificate of Coverage No. NCG200353 Winston-Salem
Regional Office
This monitoring report summary is due to the DEMLR Regional Office no later than March 1st of each
calendar year.
Facility Name: OmniSource Southeast, LLC— Kernersville
County: Forsyth
Phone Number: 260-450-4030 Total no. of SDOs monitored 8
Outfall No. 001
Is this outfall currently in Tier 2 (monitored monthly)? Yes X No
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes X No
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency ❑
Received approval from DEMLR to reduce monitoring frequency ❑
Other ❑
00530 00340 01119 01114 01094
Outfa11001 Total Non-polar Total Total Total
Rainfall, TSS, COD, oil&grease, Copper, Lead, Zinc,
inches mg/I mg/1 mg/I mg/1 mg/1 mg/I
Benchmarks N/A100/50 120 15 0.010/0.005 0.075/0.210 0.126/0.090
fresh/salt fresh/salt fresh/salt
Date Sample
Collected,
mo/dd/yr
1/30/23 NA NS NS NS NS NS NS
2/17/23 1.09 9.0 <25 <4.9 0.0231 0.0107 0.0856
3/31/23 NA NS NS NS NS NS NS
4/30/23 NA NS NS NS NS NS NS
5/31/23 NA NS NS NS NS NS NS
6/30/23 NA NS NS NS NS NS NS
7/31/23 NA NS NS NS NS NS NS
8/3/23 0.43 94.8 77.1 <5.0 0.128 0.102 0.630
9/30/23 NA NS NS NS NS NS NS
10/31/23 NA NS NS NS NS NS NS
11/21/23 0.74 349 216 <4.8 0.278 0.231 1.320
12/31/23 NA NS NS NS NS NS NS
NA=Not Applicable
NS=No sampling due to lack of qualifying storm events with a discharge
SWU-250NCG20-01.28.15

Additional Outfall Attachment (make copies as needed for additional outfalls)
Outfall No. 002
Is this outfall currently in Tier 2 (monitored monthly)? Yes X No
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes X No
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency ❑
Received approval from DEMLR to reduce monitoring frequency ❑
Other ❑
00530 00340 01119 01114 01094
Outfall 002 Total Non-polar oil
Rainfall, TSS, COD, & grease, Copper, Lead, Zinc,
inches mg/I mg/I mg/I mg/1 mg/1 mg/1
Benchmark N/A 100/50 120 15 0.010/.005 0.075/0.210 0.126/0.090
fresh/salt fresh/salt fresh/salt
Date Sample
Collected,
mo/dd/yr
1/30/23 NA NS NS NS NS NS NS
2/17/23 1.09 361 191 <4.9 0.231 0.0107 0.0856
3/31/23 NA NS NS NS NS NS NS
4/30/23 NA NS NS NS NS NS NS
5/31/23 NA NS NS NS NS NS NS
6/30/23 NA NS NS NS NS NS NS
7/31/23 NA NS NS NS NS NS NS
8/3/23 0.43 93.8 60.9 <4.9 0.0896 0.0777 0.474
9/30/23 NA NS NS NS NS NS NS
10/31/23 NA NS NS NS NS NS NS
11/21/23 0.74 71 151 <4.8 0.106 0.0817 0.464
12/31/23 NA NS NS NS NS NS NS
NA=Not Applicable
NS=No sampling due to lack of qualifying storm events with a discharge
SWU-250NCG20-01.28.15

Additional Outfall Attachment (make copies as needed for additional outfalls)
Outfall No. 003
Is this outfall currently in Tier 2 (monitored monthly)? Yes X No
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes X No
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency LI
Received approval from DEMLR to reduce monitoring frequency ❑
Other ❑
00530 00340 01119 01114 01094
Outfall 003 Total Non-polar oil
Rainfall, TSS, COD, &grease, Copper, Lead, Zinc,
inches mg/I mg/I mg/1 mg/1 mg/1 mg/I
Benchmark N/A100/50 120 15 0.010/.005 0.075/0.210 0.126/0.090
fresh/salt fresh/salt Fresh/salt
Date Sample
Collected,
mo/dd/yr
1/30/23 NA NS NS NS NS NS NS
2/17/23 1.09 558 150 <4.9 0.628 0.629 4.350
3/31/23 NA NS NS NS NS NS NS
4/30/23 NA NS NS NS NS NS NS
5/31/23 NA NS NS NS NS NS NS
6/30/23 NA NS NS NS NS NS NS
7/31/23 NA NS NS NS NS NS NS
8/3/23 0.43 ND ND ND ND ND ND
9/30/23 NA NS NS NS NS NS NS
10/31/23 NA NS NS NS NS NS NS
11/21/23 0.74 455 277 <4.8 0.509 0.570 2.690
12/31/23 NA NS NS NS NS NS NS
NA=Not Applicable
NS=No sampling due to lack of qualifying storm events with a discharge
ND=No discharge at outfall
SWU-250NCG20-01.28.15

Additional Outfall Attachment (make copies as needed for additional outfalls)
Outfall No. 004
Is this outfall currently in Tier 2 (monitored monthly)? Yes X No
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes X No
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency ❑
Received approval from DEMLR to reduce monitoring frequency ❑
Other ❑
00530 00340 01119 01114 01094
Outfall 004 Total Non-polar oil
Rainfall, TSS, COD, &grease, Copper, Lead, Zinc,
inches mg/1 mg/1 mg/I mg/1 mg/1 mg/1
Benchmark N/A 100/50 120 15 0.010/.005 0.075/0.210 0.126/0.090
fresh/salt fresh/salt Fresh/salt
Date Sample
Collected,
mo/dd/yr
1/30/23 NA NS NS NS NS NS NS
2/17/23 1.09 774 200 <4.9 0.762 0.718 3.760
3/31/23 NA NS NS NS NS NS NS
4/30/23 NA NS NS NS NS NS NS
5/31/23 NA NS NS NS NS NS NS
6/30/23 NA NS NS NS NS NS NS
7/31/23 NA NS NS NS NS NS NS
8/3/23 0.43 50.3 56.3 <4.8 0.115 0.0976 0.487
9/30/23 NA NS NS NS NS NS NS
10/31/23 NA NS NS NS NS NS NS
11/21/23 0.74 151 119 <4.8 0.267 0.262 1.160
12/31/23 NA NS NS NS NS NS NS
NA=Not Applicable
NS=No sampling due to lack of qualifying storm events with a discharge
SWU-250NCG20-01.28.15

Additional Outfall Attachment (make copies as needed for additional outfalls)
Outfall No. 005A/SB-1
Is this outfall currently in Tier 2 (monitored monthly)? Yes X No
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes X No
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency ❑
Received approval from DEMLR to reduce monitoring frequency ❑
Other ❑
00530 00340 01119 01114 01094
Outfall 005A Total Non-polar oil
Rainfall, TSS, COD, & grease, Copper, Lead, Zinc,
inches mg/1 mg/1 mg/1 mg/1 mg/1 mg/I
Benchmark N/A 100/50 120 15 0.010/.005 0.075/0.210 0.126/0.090
fresh/salt fresh/salt Fresh/salt
Date Sample
Collected,
mo/dd/yr
1/30/23 NA NS NS NS NS NS NS
2/17/23 1.09 ND ND ND ND ND ND
3/31/23 NA NS NS NS NS NS NS
4/30/23 NA NS NS NS NS NS NS
5/31/23 NA NS NS NS NS NS NS
6/30/23 NA NS NS NS NS NS NS
7/31/23 NA NS NS NS NS NS NS
8/3/23 0.43 ND ND ND ND ND ND
9/30/23 NA NS NS NS NS NS NS
10/31/23 NA NS NS NS NS NS NS
11/21/23 0.74 ND ND ND ND ND ND
12/31/23 NA NS NS NS NS NS NS
NA=Not Applicable
NS=No sampling due to lack of qualifying storm events with a discharge
ND=No discharge during rain event
Outfalls 005A, 005B, and 005C are sediment retention basins located adjacent to an onsite landfill that is
currently being capped for closure.
SWU-250NCG20-01.28.15

Additional Outfall Attachment (make copies as needed for additional outfalls)
Outfall No. 005B/SB-3
Is this outfall currently in Tier 2 (monitored monthly)? Yes X No
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes X No
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency ❑
Received approval from DEMLR to reduce monitoring frequency ❑
Other ❑
00530 00340 01119 01114 01094
Outfall 005B Total Non-polar oil
Rainfall, TSS, COD, &grease, Copper, Lead, Zinc,
inches mg/1 mg/1 mg/I mg/1 mg/1 mg/I
Benchmark N/A 100/50 120 15 0.010/.005 0.075/0.210 0.126/0.090
fresh/salt fresh/salt Fresh/salt
Date Sample
Collected,
mo/dd/yr
1/30/23 NA NS NS NS NS NS NS
2/17/23 1.09 ND ND ND ND ND ND
3/31/23 NA NS NS NS NS NS NS
4/30/23 NA NS NS NS NS NS NS
5/31/23 NA NS NS NS NS NS NS
6/30/23 NA NS NS NS NS NS NS
7/31/23 NA NS NS NS NS NS NS
8/3/23 0.43 ND ND ND ND ND ND
9/30/23 NA NS NS NS NS NS NS
10/31/23 NA NS NS NS NS NS NS
11/21/23 0.74 ND ND ND ND ND ND
12/31/23 NA NS NS NS NS NS NS
NA=Not Applicable
NS=No sampling due to lack of qualifying storm events with a discharge
ND=No discharge during rain event
Outfalls 005A, 005B, and 005C are sediment retention basins located adjacent to an onsite landfill that is
currently being capped for closure.
SWU-250NCG20-01.28.15

Additional Outfall Attachment (make copies as needed for additional outfalls)
Outfall No. 005C/SB-2
Is this outfall currently in Tier 2 (monitored monthly)? Yes X No
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes X No
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency ❑
Received approval from DEMLR to reduce monitoring frequency ❑
Other ❑
00530 00340 01119 01114 01094
Outfall 005C Total Non-polar oil
Rainfall, TSS, COD, &grease, Copper, Lead, Zinc,
inches mg/I mg/1 mg/I mg/1 mg/I mg/1
Benchmark N/A 100/50 120 15 0.010/.005 0.075/0.210 0.126/0.090
fresh/salt fresh/salt Fresh/salt
Date Sample
Collected,
mo/dd/yr
1/30/23 NA NS NS NS NS NS NS
2/17/23 1.09 ND ND ND ND ND ND
3/31/23 NA NS NS NS NS NS NS
4/30/23 NA NS NS NS NS NS NS
5/31/23 NA NS NS NS NS NS NS
6/30/23 NA NS NS NS NS NS NS
7/31/23 NA NS NS NS NS NS NS
8/3/23 0.43 ND ND ND ND ND ND
9/30/23 NA NS NS NS NS NS NS
10/31/23 NA NS NS NS NS NS NS
11/21/23 0.74 1,620 454 <4.8 0.998 1.450 3.940
12/31/23 NA NS NS NS NS NS NS
NA=Not Applicable
NS=No sampling due to lack of qualifying storm events with a discharge
ND=No discharge during rain event
Outfalls 005A, 005B, and 005C are sediment retention basins located adjacent to an onsite landfill that is
currently being capped for closure.
SWU-250NCG20-01.28.15

Additional Outfall Attachment (make copies as needed for additional outfalls)
Outfall No. 006
Is this outfall currently in Tier 2 (monitored monthly)? Yes X No
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes X No
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency ❑
Received approval from DEMLR to reduce monitoring frequency ❑
Other ❑
00530 00340 01119 01114 01094
Outfall 006 Total Non-polar oil
Rainfall, TSS, COD, & grease, Copper, Lead, Zinc,
inches mg/1 mg/1 mg/1 mg/1 mg/I mg/1
Benchmark N/A 100/50 120 15 0.010/.005 0.075/0.210 0.126/0.090
fresh/salt fresh/salt Fresh/salt
Date Sample
Collected,
mo/dd/yr
1/30/23 NA NS NS NS NS NS NS
2/17/23 1.09 1,200 272 <5.0 1.420 1.260 5.450
3/31/23 NA NS NS NS NS NS NS
4/30/23 NA NS NS NS NS NS NS
5/31/23 NA NS NS NS NS NS NS
6/30/23 NA NS NS NS NS NS NS
7/31/23 NA NS NS NS NS NS NS
8/3/23 0.43 332 119 <4.9 0.392 0.390 1.83
9/30/23 NA NS NS NS NS NS NS
10/31/23 NA NS NS NS NS NS NS
11/21/23 0.74 ND ND ND ND ND ND
12/31/23 NA NS NS NS NS NS NS
NA=Not Applicable
NS=No sampling due to lack of qualifying storm events with a discharge
ND=No discharge during rain event
SWU-250NCG20-01.28.15

"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 9 .-\1 —
Date 2/29/2024
Mail Annual DMR Summary Reports to Your Regional DEMLR Office:
DEMLR Regional Office Contact Information:
Winston 15ale11
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Asheville Office [phone] _.
Fayetteville Office [phone] al. gh
Mooresville Office [phone] t! ` it r,+.` ''"
Raleigh Office [phone]
a Yle MoorOwiflle
Washington Office ...[phone]
Wilmington Office [phone] J _
Winston-Salem [phone] ,Fe ett rille
Central Office .........[phone]
W;l'ngton
ASHEVILLE REGIONAL OFFICE FAYETTEVILLE REGIONAL OFFICE MOORESVILLE REGIONAL OFFICE
2090 US Highway 70 225 Green Street 610 East Center Avenue/Suite 301
Swannanoa, NC 28778 Systel Building Suite 714 Mooresville,NC 28115
[phone] Fayetteville, NC 28301-5043 [phone]
[phone]
RALEIGH REGIONAL OFFICE WASHINGTON REGIONAL OFFICE WILMINGTON REGIONAL OFFICE
3800 Barrett Drive 943 Washington Square Mall 127 Cardinal Drive Extension
Raleigh, NC 27609 Washington, NC 27889 Wilmington,NC 28405-2845
[phone] [phone] [phone]
WINSTON-SALEM REGIONAL CENTRAL OFFICE
OFFICE 1612 Mail Service Center
585 Waughtown Street Raleigh, NC 27699-1612
Winston-Salem, NC 27107 [phone]
[phone]
SWU-250NCG20-01.28.15