NCG020009 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 FloWl"No Discharge" and Limit Violations) from
the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG020009
Facility Name: Martin Marietta Materials, Inc. - American Stone Quarry
County: Orange
Phone Number [phone]
Total n fpe q Id
�- t.
1
Certified Laboratory Pace Analytical Lab # 12
- 1
Lab #
F
Wastewater (WW) Discharge Outfall No. 001
Is this an industrial sand mine (See 40 CFR §436 Subpart D)?
i r1( ES
Yes =VV1 N
Does this outfall discharge WW to SA waters?
Yes No X
Does this outfall discharge WW to SIB or PNA waters?
Yes No X
Does this outfall discharge WW to HQW or ORW waters?
Yes X No
If so, what is the 7Q10 flow rate? or Tidally influenced
waters, 7Q10 not available
X
Does this outfall discharge WW to Trout jr) 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
ml/l
Turbidity
(U) Turbidity
(D) Turbidity
col/100 ml
001
ifapplioaple
NTU
NTU
NTU
SA
Effluent
Limitations
Mo. Ave l Daily Max.
NOW or ORA
50% of
7Q10
Intlirate NO FLOW
dappicalne
FresNWaler
6.0-9.
S.I ter
6.8-8.5
Industrial
25145
HOW erne
20130
MOW -OR
and T. PNA
10/15
S SA B, RNANo
or any Trout
0.1/0.2
Limit
Grote Water
Quality Standard
that applies
(&25/10
NA
Water Quality
Standards Applies
NA
Water Quality
Standards Applies
NA
Date Sample
Collected,
mo/dd/yr
5111/20
0.03
8.3
ND
ND
2.7
9/15/20
0.64
7.7
ND
ND
2.4
Permit Date 10/1/2015 - 9/30/2020
Last Revised 10/2P2015

Certificate of Coverage No. NCG020009
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
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 10/1/2015-9/3012020
Last Revised 10/2/2015