NCG020676_DMR_20210216 (2)

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 Flotiv" No Discharge" and Limit Violations) from
the previous calendar year to the DEC by MARCH 1 of each year.
Certificate of Coverage No. NCG020676
Facility Name: Martin Marietta Materials, Inc. - Cumberland Quarry
County: Cumberland
Phone Number [phone]
Certified Laboratory Pace Analytical Lab # 12
Lab #
Total no. of outfalls monitored
1
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 SEI 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 jr) designated water: Yes No X
Were there any limit violations in the calendar year? Yes No X
Outfall No.
001
Daily Flow
Rate, cfs
pH,
SU
TSS,
mg/I
SS,
ml/I
Rappir.ble
Discharge
Turbidity
NTU
Upstream
(U) Turbidity
NTU
Downstream
(D) Turbidity
NTU
Fecal
Coliform,
col/100 ml
SA
Effluent
Limitations
Mo. Ave l Deny Max.
HOWor ORW
50%of
7Q10
Indicate NO FLOW
lrapplctble
Freshwater
0-9.
Salivate`
6.8-8.5
Inr ial
25/45
HOWr
20/30
MOW or ORW
and Tr or Fr.
10/15
s seFrva
orany Trout
0.1/0.2
No Limit
vibe water
Quality Standard
turt applies
5t�125/10
NA
Water Outi
Standards Applies
NA
Water Ooawy
Standards Applies
NA
Date Sample
Collected,
mo/dd/yr
3/30/2020
2.7
8.1
25.8
66.6
10/6/2020
2.1
6.9
17.4
29.3
6.2
9.8
Permit Date 10/1/2015 - 9/30/2020
Last Revised 10/2/2015

Certificate of Coverage No. NGG020676
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, o
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 - 9/30/2020
Last Revised 10/2/2015