NCG020202 DMR SW 20210204

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°f No Discharge" and Benchmark
Exceedances) from the previous celendar year to the DEO by MARCH i of each year.
Certificate of Coverage No. NCG020202
Facility Name: Matthews Quarry
County: Mecklenburg
Phone Number: 704-8414335 Total No. of SDOs Monitored 4
Certified Laboratory Pace Analytical Lab N 40
Lab N
rmwater Discharge Outfall (SDO) No. 32, 36, 38, 39 VMA Outfall? Yes " No
its outfall currently in Tier 2 for any parameter? Yes No
a this outfall ever in Tier 2 during the past year? Yes No
Is outfall was in Tier 2 last year, was monthly monitoring discontinued?
enough consecutive samples below benchmarks to decrease frequency
received approval from DEMLR to reduce monitoring frequency
turbidity benchmark exceedances did not require monthly monitoring
OuUall No.1
Total Rainfall, Inches
TSS, mgll
SS, mill
Turbidity,
NTU
Upstream (U)
Turbidity, NTU
Downstream
(D) N Uidity
Nan -polar 08G,
mg/I (VMA)
New Motor Oil
Usage
(gallMo.)
Stormwater
Benchmarks
e,M�m.,.
100150
0.1
e.°��,,,,
50/25/10
N/A
N/
"'
.mm cca„
15
»de>vmo.
roao,.o.w y
Date Sample
Collected,
molddlyr
120-6P_0
No Observed Discharge
620- 12/20
No Observed Discharge
Permit Date 101[I2015 — 913012020
Last Revised 10-2-2015

Certificate of Coverage No. NGG020202
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 90 CFR §122.221
Signature: Q.t/ /(/!-!/•QKd
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 DE/I
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 I Oill2015 — 9130/2020
Last Revised 10-2-2015