NCG020199 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 Flom/"No Discharge' and Benchmark
Exceedances) from the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG020199
Facility Name: Gaston Quarry
County: Gaston
Phone Number: 704-739-4761 Total No. of SDOs Monitored
Certified Laboratory Pace Analytical Lab # 40
Lab #
tormwater Discharge Outfall (SDO) No. 1 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?
as, enough consecutive samples below benchmarks to decrease frequency
as, received approval from DEMLR to reduce monitoring frequency
D, turbidity benchmark exceedances did not require monthly monitoring
Outfall No. 1
Total Rainfall,
inches
TSS, mg/I
SS, mill
Turbidity,
NTU
Upstream(U)
Turbidity, NTU
Downstream(D)Non-polar
Turbidity, NTU
O&G,
mgll (VMA)
New Motor Oil
Usage
(gallMo.)
Stormwater
Benchmarks
Date Sample
Collected,
mo/ddlyr
1/20-6/20
ewm.xoaown
,gyp„
No SDOExist
mrm�x
100/50
0.1
x.k�i.,i.w
50/25110
N/A
w.u,o,wuY
NIA
w.w,a�w.r
15
ne.mxa,gx.
6/20 - 12/20
No SDO Exist
hl
Permit Date 10/112015—913012020
Last Revised 10-2-2015

Certificate of Coverage No. NCG020199
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."
IRequired by 40 CFR §122,22]
Signature: Qazl NLL�2N.6
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 101112015 — 913012020
Last Revised 10-2-2015