NCG020076 DMR SW 20210204

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) — STORMINATER
SUBMIT TO CENTRAL OFFICE"
General Permit
Calendar Year 2020
'Report ALL STORMWATER monitoring data on this form (include "No Flow YNo Discharge" and Benchmark
Fxceedances) from the previous calendar year to the DEO by MARCH 1 of each year.
cate of Coverage No. NCG020076
y Name: Thomasville Quarry
/: Davidson
Number: 336-475-9134
Laboratory Pace Analytical Lab # 40
Lab #
Total No. of SDOs Monitored 1
:ormwater Discharge Outfall (SDO) No. L1J VMA Outfall? Yes No
this outfall currently in Tier 2 for any parameter? Yes No
'as this outfall ever in Tier 2 during the past year? Yes No
this outfall was in Tier 2 last year, was monthly monitoring discontinued?
m, enough consecutive samples below benchmarks to decrease frequency
as, received approval from DEMLR to reduce monitoring frequency
), turbidity benchmark exceedances did not require monthly monitoring
Outfall No. 1
Total Rainfall,
inches
TSS, mgli
SS, mill
Turbidity,
NTU
Upstream (U)
Turbidity, NTU
Downstream (D)
Turbidity, NTU
Non -polar O&G,
mgll (VMA)
New Motor Oil
Usage
(gallmo.)
Stormwater
Benchmarks
nx nwonown
.a.
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Date Sample
Collected, molddlyr
6/T2020
0.5
2.8
<0.10
52
/1/302020
1
<2.5
<0.10
10.1
Permit Date 101112016— 9/3012020
Last Revised 10.2-2015

Certificate of Coverage No. NCG020076
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 §122.221
Signature: /I/GGvQ.YLQ.
Date: 2/4/2021
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 1011/2015 — 9/30/2020
Last Revised 10-2-2015