NCG020081_DMR_20201207

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — STORMWATER
II SUBMIT TO CENTRAL OFFICE* II
General Permit No. NCG020000
Calendar Year 2020
'Report ALL STORMWATER monitoring data on this form (include "No Flow"/"No Discharge" and Benchmark
Exceedances) from the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG020081
RECEIVED
Facility Name: Vulcan Construction Materials, LLC/Smith Grove Quarry JAN 0 6 2021
County: Davie
CENTRAL FILES
Phone Number: [phone] Total no. of SDOs monitored r'�:cCTION
Certified Laboratory Research & Analytical Laboratories, Inc. Lab # 34
Lab #
Stormwater Discharge Outfall (SDO) No. 002 VMA Outfall? Yes E No ❑
Is this outfall currently in Tier 2 for any parameter? Yes ❑ No E
Was this outfall ever in Tier 2 during the past year? Yes ❑ No E
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.
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)Circle
New
Motor Oil
Usage
gal/mo.
Stormwater
Benchmarks
Indicate NO
FLOW II
a licable
Benchmark
Benchmark
100/50
0.1
Benchmark
Benchmark
50/25/10
N/A
tendWater applies
standard applies
N/A
water puahry
Standard applies
15
averagrcle �55 e
requires
SS an requires
SS and Natoring
08G 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 10/1/2015 — 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.
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
InFLOWNO
FLOWif
a I�cable
Circle
Benchmark
100/50
0.1
nchm
Benchmark
$0/25/10
N/A
Water Quality
standard applies
N/A
WaterQualityapplies
Standard applies
15
>SSgaequi
SS anaverage requires
TBBantl Non -polar
08G monitoring
Date Sample
Collected,
mo/dd/yr
04/23/20
0.22
1 <5.0
<0.1
7.27
N/A
N/A
NIA
N/A
10/28/20
0.16
38.7
0.22
15.5
N/A
N/A
NIA
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]
Signc,
Date
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, NC 27699-1617
Central Files Telephone [phone]
Questions? Contact DEMLR Stormwater Permitting Staff in the Central Office at:
[phone]
Permit Date 10/1/2015 — 9/30/2020
Last Revised 10-2-2015