HomeMy WebLinkAboutNCG020094_DMR_20210106ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) - STORMWATER
SUBMIT TO CENTRAL OFFICE*
General Permit No. NCG020000
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. NCG020094
Facility Name: Martin Marietta Materials, Inc. - Lemon Springs Quarry
County: Lee
Phone Number (919) 776-5157 Total no.
of SDO's monitored 1
Certified Laboratory Pace Analytical Lab # 12
Lab #
Stormwater Discharge Outfall (SDO) No. 001 VMA Outfall? Yes
No X
Is this outfall currently in Tier 2 for any parameter? Yes
No X
Was this outfall ever in Tier 2 during the past year? Yes
If this outfall was in Tier 2 last year, was monthly monitoring discontinued?
No _
CEol, PcG
Yes, enough consecutive samples below benchmarks to decrease frequency
Yes, received approval from DEMLR to reduce monitoring frequency
J'QN ZOl�
No, turbidity benchmark exceedances did not require monthly monitoring
Other
CcNTf; ^,L F1t.-�
Outfall No.
-----------
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.
Storm water
Benchmarks
Indicate NO
FLOWd
a licable
Circle
Benchmark
10 50
0.1
Circle
Benchmark
(1A125/10
�`a�
NA
Waer Quality
Standards Les
NA
Water Quality
Slantlard...[,.a
15
>55gallga
rage requires
168
05G mon(onnd Nice la
9
Date Sample
Collected,
mo/dd/ r
12/7/2020
43.0
ND
67.7
Permit Date 10/1/2015 - 9/30/2020
Last Revised 10/2/2015
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 violation."
(Required by 40 CFF
M122.221 _ 1-77
Signature
Date
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 (919) 807-6300
Questions? Contact DEMLR Stormwater Permitting Staff in the Central Office at:
(919) 707-9220
Permit Date 10/1/2015 - 9/30/2020
Last Revised 10/22015