NCG020154 DMR SW 20210121

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 Flow"J"No Discharge' and Benchmark
Exceedances) from the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG020154
Facility Name: Vulcan Construction Materials, LLC/Greystone Quarry
County: Vance
Phone Number: [phone] Total no. of SDOs monitored 1
Certified Laboratory Research & Analytical Laboratories 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 ❑ ��(� ? e m- *,
Yes, received approval from DEMLR to reduce monitoring frequency ❑ KIR 01 2
No, turbidity benchmark exceedances did not require monthly monitoring ❑ 0��
Other
❑ p�NTRAL FILES
Outfall No.
Total
Rainfall,
inches
TSS,
mg/l
SS,
mill
Turbidity,
ty,
NTU
Upstream
(U) Turbidity,
NTU
Downstream
(D) Turbidity,
NTU
Non -polar
P
O&G, mg/1
(VMA)
New
Motor Oil
Usage
al/mo.)
Stormwater
Indicate NO
FLOW
Circle
P."hmark
100v50
.�525/10
circle
Benchmark
N/A
Standard applies
NIA
Standard applies
taada
15
>55 galtmp.
average requires
Tildoa`Benchmarks
O&G mn
Date Sample
Collected,
mo/dd/yr
01/14/20
0.12
13.8
<0.1
17.4
N/A
N/A
N/A
N/A
07/29/20
0.12
10.4
<0.1
1 3.79
N/A
N/A
NIA
N/A
Permit Date 10/1/2015 — 9/30/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCG020154
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
Date January 21 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, 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