NCG020009_2023 DMR_20231030

NPDES PERMIT NO.:NCG020009 PERMIT VERSION:7.0 PERMIT STATUS:Active
FACILITY NAME:American Stone Quarry CLASS:SWNC COUNTY:Orange
OWNER NAME:Martin Marietta Materials Inc ORC:Not Required ORC CERT NUMBER: 1009764
GRADE:SWNC ORC HAS CHANGED:No
eDMR PERIOD:08-2023(August 2023) VERSION: 1.0 STATUS:Certified
SAMPLING LOCATION: EFFLUENT DISCHARGE NO.: 001 NO DISCHARGE*: NO
00400 C0530 31616 01105 01097 01002 C0034 61211 82220
I- Q fi
F E
_ m
" � E et
2 . 9 Quarterly Quarterly Quarterly Quarterly Quarterly Quarterly Quarterly Quarterly Quarterly
O `c. Grab Grab Grab Grab Grab Grab Grab Grab Grab
z a
U 4 O O pH TSS-Conc FCOLI BR ALUMINUM ANTIMONY As-TOTAL. TOT CR CONC ENTRCOCI TOT FLOW
2400 clock Hrs 2400 clock Hrs YB/N su mg/I cfu/100m1 mg/I mg/I mg/I mg/I cfu/105m1 mgd
1 7.76 <3.2
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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18
19
20
21
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27
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31
Monthly Average Limit: 10 0.3 0.34 0.15 0.117
Monthly Average: 0
Daily Maximum:
7.76 0
Daily Minimum: 776 0
****No Reporting Reason:ENFRUSE=No Flow-Reuse/Recycle; ENVWTHR=No Visitation—Adverse Weather; NOFLOW=No Flow; HOLIDAY=No Visitation—Holiday

NPDES PERMIT NO.:NCG020009 PERMIT VERSION:7.0 PERMIT STATUS:Active
FACILITY NAME:American Stone Quarry CLASS:SWNC COUNTY:Orange
OWNER NAME:Martin Marietta Materials Inc ORC:Not Required ORC CERT NUMBER: 1009764
GRADE:SWNC ORC HAS CHANGED:No
eDMR PERIOD:08-2023(August 2023) VERSION:1.0 STATUS:Certified
SAMPLING LOCATION: EFFLUENT DISCHARGE NO.: 001 NO DISCHARGE*: NO (Continue)
00951 00900 82077 00545 00070 01092
F O
Quarterly Quarterly Quarterly Quarterly Quarterly Quarterly
U o Grab Grab Grab Grab Grab Grab
v e w v
A U 4 F-TOTAL TOT HARD RAD,CR a RES/SET TURBIDTY ZINC
2400 clock Hrs 2400 clock Hrs Y/B/N mg/I mg/I pci/1 mUl ntu mg/I
1 5.4
2
3
4
5
6
7
8
9
10
Il
12
13
14
15
16
17
18
19
20
21
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25
26
27
28
29
30
31
Monthly Average Limit: 6 0.1 0.126
Monthly Average:
5.4
Daily Maximum: 5.4
Daily Minimum:
5.4
****No Reporting Reason:ENFRUSE=No Flow-Reuse/Recycle; ENVWTHR No Visitation—Adverse Weather; NOFLOW=No Flow; HOLIDAY=NoVisitation—Holiday

NPDES PERMIT NO.:NCG020009 PERMIT VERSION:7.0 PERMIT STATUS:Active
FACILITY NAME:American Stone Quarry CLASS:SWNC COUNTY:Orange
OWNER NAME:Martin Marietta Materials Inc ORC:Not Required ORC CERT NUMBER: 1009764
GRADE:SWNC ORC HAS CHANGED:No
eDMR PERIOD:08-2023(August 2023) VERSION:1.0 STATUS:Certified
COMPLIANCE STATUS:Compliant CONTACT PHONE#:[phone] SUBMISSION DATE:
10/30/2023
ORC/Certifier Signature: Phillip N Pressley E-Mail:[e-mail] Phone #:[phone] Date
I certify that this report is accurate and complete to the best of my knowledge.
The permittee shall report to the Director or the appropriate Regional Office any noncompliance that potentially threatens public health or the environment.
Any information shall be provided orally within 24 hours from the time the permittee became aware of the circumstances.A written submission shall also be
provided within 5 days of the time the permittee becomes aware of the circumstances.The written submission shall be made as required by part II.E.6 of the
NPDE it.
Permittee/Submitte ignature: *** E-Mail: Phone #: Date
Permittee Address: 1807 Hwy 54w Chapel Hill NC 27516 rmit Expiration Date:06/30/2025
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 managed 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 violations.
CERTIFIED LABORATORIES
LAB NAME:
CERTIFIED LAB#:
PERSON(s)COLLECTING SAMPLES:
PARAMETER CODES
Parameter Code assistance may be obtained by visiting https://deq.nc.gov/about/divisions/water-resources/edmr/user-documentation.
FOOTNOTES
Use only units of measurement designated in the reporting facility's NPDES permit for reporting data.
*No Flow/Discharge From Site:YES indicates that No Flow/Discharge occurred and,as a result,no data is reported for any parameter on the DMR for the
entire monitoring period.
**ORC on Site?:ORC must visit facility and document visitation of facility as required per 15A NCAC 8G.0204.
***Signature of Permittee:If signed by other than the permittee,then delegation of the signatory authority must be on file with the state per 15A NCAC 2B
.0506(b)(2)(D).

NPDES PERMIT NO.:NCG020009 PERMIT VERSION:7.0 PERMIT STATUS:Active
FACILITY NAME:American Stone Quarry CLASS:SWNC COUNTY:Orange
OWNER NAME:Martin Marietta Materials Inc ORC:Not Required ORC CERT NUMBER: 1009764
GRADE:SWNC ORC HAS CHANGED:No
eDMR PERIOD:08-2023(August 2023) VERSION:1.0 STATUS:Certified
Report Comments:
No sampleable storm water discharge observed.

NPDES PERMIT NO.:NCG020009 PERMIT VERSION:7.0 PERMIT STATUS:Active
FACILITY NAME:American Stone Quarry CLASS:SWNC COUNTY:Orange
OWNER NAME:Martin Marietta Materials Inc ORC:Not Required ORC CERT NUMBER: 1009764
GRADE:SWNC ORC HAS CHANGED:No
eDMR PERIOD:08-2023(August 2023) VERSION:1.0 STATUS:Certified
Outfall 001-Effluent Comments:
Total Settleable Solids<0.10 mL/L/hr