NCG020081 DMR SW 20210205

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — STORMWATER
SUBMIT TO CENTRAL OFFICE*
General Permit No. NCG020000
Calendar Year 2020
Report ALL STORMWATER monitoring data on this form (include "No FlowT No Discharge' and Benchmark
Exceedances) from the previous calendar year to the DEQ by MARCH year.
Certificate of Coverage No. NCG020081 FEB 2 3 2021
Facility Name: Vulcan Construction Materials, LLC/Smith Grove Quarry CENTRAL FILES
County: Davie DWR SECTION
Phone Number: [phone] Total no. of SDOs monitored
Certified Laboratory Research & Analytical Laboratories, Inc. Lab # 34
Lab #
Stormwater Discharge Outfall (SDO) No. 002 VMA Outfall? Yes ® No ❑
Is this outfall currently in Tier 2 for any parameter? Yes ❑ No
Was this outfall ever in Tier 2 during the past year? Yes ❑ No
If this outfall was in Tier 2 last year, was monthly monitoring discontinued?
Yes, enough consecutive samples below benchmarks to decrease frequency ❑
Yes, received approval from DEMLR to reduce monitoring frequency ❑
No, turbidity benchmark exceedances did not require monthly monitoring ❑
Other ❑
Outfall No.
— 002
Total
Rainfall,
inches
TSS,
mg/I
SS,
ml/I
Turbidity,
NTU
Upstream
(U) Turbidity,
NTU
Downstream
(D) Turbidity,
NTU
Non -polar
O&G, mg/I
(VMA)
New
Motor Oil
Usage
al/mo.
Stormwater
Benchmarks
Indicate NO
FLOWi{
applicable
circle
Benchmark
10�/50
O'1
BencCirclehmark
Benchmark
50/25/10
N/A
Water quality
Standard applies
N/A
Water Quality
Standard applies
15
>SSgae
av>55gallmo.requires
TSS and Non -polar
O&G monitoring
Date Sample
Collected,
mo/dd/yr
04/23/20
0.22
18.0
N/A
N/A
N/A
N/A
<5.0
>55
10/28/20
0.22
<2.8
N/A
N/A
N/A
N/A
<5.0
>55
Permit Date 1011 /2015 - 9/30/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCG020081
Additional Outfall Attachment (make copies as needed for additional outfalls)
Stormwater Discharge Outfall (SDO) No. 003 VMA Outfall? Yes ❑ No
Is this outfall currently in Tier 2 for any parameter? Yes ❑ No
Was this outfall ever in Tier 2 during the past year? Yes ❑ No
If this outfall was in Tier 2 last year, was monthly monitoring discontinued?
Yes, enough consecutive samples below benchmarks to decrease frequency ❑
Yes, received approval from DEMLR to reduce monitoring frequency ❑
No, turbidity benchmark exceedances did not require monthly monitoring ❑
Other ❑
Outfall No.
_003_
Total
Rainfall,
Inches
TSS,
mg/I
SS,
mill
Turbidity,
NTU
Upstream
(U) Turbidity,
NTU
Downstream
(D) Turbidity,
NTU
Non -polar
O&G, mg/I
(VMA)
New
Motor Oil
Usage
al/mo.
Stormwater
Benchmarks
Intllcate NO
FLOW it
a licable
`i`°i`
Benchmark
100/50
0.1
Circle
Benchmark
50/25/10
N/A
water Quality
Standard applies
N/A
water Quality
Standard applies
15
average gall...
a%eeq requires
TSS and Non -polar
O&G monitoring
Date Sample
Collected,
mo/dd/yr
JAM
04/23/20
0.22
<5.0
<0.1
7.27
N/A
N/A
N/A
NIA
10/28/20
0.16
38.7
0.22
15.5
N/A
N/A
N/A
N/A
Permit Date 10/1/2015 — 9/30/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCG020081
CERTIFICATION
"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."
[Required by 40 CFR §122.22]
Signature �Gl
Date February 5, 2021
Mail Annual Summary Stormwater DMR to the NCDEQ Central Office:
Note the address is correct - Central Files is housed in DWR (not DEMLR)
N.C. Department of Environmental Quality (DEQ)
Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, INC 27699-1617
Central Files Telephone [phone]
Questions? Contact DEMLR Stormwater Permitting Staff in the Central Office at:
[phone]
Permit Date 10/112015 — 9/30/2020
Last Revised 10-2-2015