NCG020735 DMR WW 20210216

ANNUAL SUMMARY DISCHARGE MONITORING
REPORT (DMR) - WASTEWATER
II SUBMIT TO CENTRAL OFFICE* II
General Permit No. NCG020000
Calendar Year 2020
*Report ALL WASTEWATER monitoring data on this form (include "No FloHPP'No Discharge" and Limit Violations) from
the previous calendar year to the DEQ by MARCH 1 of each year.
Certificate of Coverage No. NCG020735
Facility Name: Martin Marietta Materials, Inc. - Selma Quarry
County: Johnston
Phone Number [phone]
Total no. of outfalls
monitored
1
Certified Laboratory Pace Analytical Lab # 12
Lab #
Wastewater (WWI 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 SIB 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
mgll
ml/I
Turbidity
(U) Turbidity
(D) Turbidity
col/100 ml
001
rappheable
NTU
NTU
NTU
SA
Effluent
Limitations
Mo. Ave/Dairy Max.
HOWor ORW
50%of
7Q10
Ind¢ate NO FLOW
°pteabta
Freshwater
6.0-9.
salwter
6.8-8.5
Industrial
25/45
HOW or Oft
20130
HOW or OR
and Tr or PNA
10/15
a servNw
or any Trout
0.1/0.2
No Limit
G,iW.I.,
Quality standard
Nat apples
25/10
`IJILJ
NA
WaterOuality
SNndards Applies
NA
Water Quality
Standards Applies
NA
Date Sample
Collected,
mo/dd/yr
RF('P�;
No Discharge in 2020
CEN iTL\L F
LE:.-
DVVR SEC
ON
Permit Date 10/1/2015 - 9/30/2020
Last Revised 101212015

Certificate of Coverage No. NCG020735
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, of
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 6122.22] 1
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 1011/2015 - 9/30/2020
Last Revised 101212015