NCG020107_DMR_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 Flow"/"No Discharge" and Benchmark
Exceedances) from the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG020107
Facility Name: Vulcan Construction Materials, LLC/Rockingham Quarry RECEIVED
County: Richmond
Phone Number: [phone] Total no. of SDOs monitored FEB 2 3 2021
Certified Laboratory Research & Analytical Laboratories, Inc. Lab # 34 CENTRAL FILES
Lab # DWR SECTION
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.
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
Q1rc1a
Benchmark
1 100/50
0.1
Benchmark
Benchmark
50/25/10
N/A
Water Quality
Standard applies
N/A
Water Ouapl,
Standard applies
15
requires
average requires
averale >55 ge
TSSantl Non -polar
1 08G monitoring
Date Sample
Collected,
mo/dd/ r
diwmw
01/01/20 —
12131 /20
No Flow
Permit Date 10/1/2015 — 9/30/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCG020107
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,
ml/I
Turbidity,
NTU
Upstream
(U) Turbidity,
NTU
Downstream
(D) Turbidity,
NTU
Non -polar
O&G, mg/l
(VMA)
New
Motor Oil
Usage
al/mo.
Stormwater
Benchmarks
Indicate
FLOWif
a livable
Circle
Benchmark
100/50
0.1
Benchmark
Benchmark
50/25/10
N/A
water Quality
Btanaara applies
N/A
Water Quality
Standard applies
15
average requires
averageNon-polar
TSBantl Netoring
08G monitoring
Date Sample
Collected,
mo/dd/yr
05/26/20
0.40
<5.0
<0.1
4.24
N/A
N/A
NIA
N/A
7/1/20 -
12/31/20
No Flow
Permit Date 10/1/2015-9130/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCG020107
Additional Outfall Attachment (make copies as needed for additional outfalls)
Stormwater Discharge Outfall (SDO) No. 008 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
l No.
—
Total
Rainfall,
inches
TSS,
mgll
SS,
ml/I
Turbidity,
NTU
Upstream
(U) Turbidity,
NTU
Downstream
(D) Turbidity,
NTU
Non -polar
O&G, mg/1
(VMA)
New
Motor Oil
Usage
al/mo.
Stormwater
Benchmarks
Indicate NO
FLOWA
applicable if
Circle
Benchmark
100/50
0.1
Bencclehmark
Benchmark
50/25/10
N/A
Water Quality
standard applies
N/A
Water Ovaliry
Standard applies
15
eragerqui
755 and Non -polar
SSand on -pots
08G monitoring
Date Sample
Collected,
mo/dd/ r
06/11/20
0.20
9.20
<0.1
15.4
N/A
N/A
N/A
N/A
7/1/20—
12/31/20
No Flow
Permit Date 10/1/2015 — 9/30/2020
Last Revised 10-2-2015

Certificate of Coverage No. NCG020107
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 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, 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