NCG020061 DMR WW 20210216

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) - WASTEWATER
SUBMIT TO CENTRAL OFFICE*
General Permit No. NCG020000
Calendar Year 2020
*Report ALL WASTEWATER monitoring data on this form (include "No Flow f'No Discharge" and Limit Violations) from
the previous calendar year to the DEQ by MARCH i of each year.
Certificate of Coverage No. NCG020061
Facility Name: Martin Marietta Materials, Inc. - Reidsville Quarry
County: Rockingham
Phone Number [phone]
Total no. of outfalls monitored
1
Certified Laboratory Pace Analytical Lab # 12
Lab #
Wastewater (WW) Discharge Outfall No. 001
Is this an industrial sand mine (See 40 CFR §436 Subpart D)?
Yes
No X
Does this outfall discharge WW to SA waters?
Yes
No X
Does this outfall discharge WW to SB or PNA waters?
Yes
No X
Does this outfall discharge WW to HQW or ORW waters?
Yes
No X
If so, what is the 7Q10 flow rate? _ or Tidally influenced waters, 7Q10 not available
Does this outfall discharge WW to Trout (Tr) designated water Yes
No X
Were there any limit violations in the calendar year?
Yes
No X
Fecal
Daily Flow
pH,
TSS,
SS,
Discharge
Upstream
Downstream
Coliform,
Outfall No.
Rate, cfs
SU
mg/1
mill
Turbidity
(U) Turbidity
(D) Turbidity
col/100 ml
001
ifapplirable
NTU
NTU
NTU
SA
Effluent
Limitations
Ma. Ave l Daily Max.
HQWor ORW
50%of
7Q10
Indicate NO FLOW
it aVpl bis
Freshwater
6.0-9.
Saltwater
6.8-8.5
Industrial
25/45
HQWc,OR
20/30
HOW orOR
and Tr or 'NA
10/15
SOW or ORw ASsPNA
or anyTroutt
O.1/O.2
No Limit
OrdeWaier
Quality Standard
that applies
(BY25/10
NA
Water Quality
Standards Applies
NA
Water Quality
StarpahJS Applies
NA
Date Sample
Collected,
mo/dd/yr
3/24120
0.21
1 7.8
ND
ND
4.1
1 16.1
9.4
4/29/20
0.10
8.4
5.1
ND
5.7
10.3
8.0
7/29/20
0.21
8.2
4.1
ND
5.7
17.4
32.2
Permit Date 10/1/2015 - 9/30/2020
Last Revised 101212015

Certificate of Coverage No. NCG020061
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 CFR §122.22]
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 [phone]
Questions? Contact DEMLR Stormwater Permitting Staff in the Central Office at:
[phone]
Permit Date 10/1/2015 - 9/30/2020
Last Revised 101212015