NCG020070_Martin Marietta Materials Inc Compliance Inspection_08012025

JOSH STEIN Y_n
Governor
f.� r
D.REID WILSON
Secretary
WILLIAM E.TOBY VINSON,JR NORTH CAROLINA
Director Environmental Quality
August 1, 2025
Martin Marietta Materials Inc
Attention: Ron Kopplin
2235 Gateway Access Point Suite 400
Raleigh,North Carolina 27607
Subject: Stormwater Inspection Report
NPDES Stormwater Permit Number or Certificate of Coverage Number NCG020070
Union County,North Carolina
Dear Mr. Kopplin:
Enclosed please find a copy of the Compliance Inspection Report for the inspection conducted at the Martin
Marietta-Bakers located at 2211 Rocky River Road. on July 17, 2025. The report should be self-explanatory,
however, should you have any questions concerning these reports,please do not hesitate to contact Lily Kay
at(704)235-2100 or by email at [e-mail].
Sincerely,
DocuSigned by:
w
4A35D6B02B02438...
Jerry W. Eplin, PE
Regional Engineer
Land Quality Section
LCK/jwe
Enclosure: Inspection Report
cc: Stormwater Laserfiche,NCG020070
MRO-Land Quality Section, Stormwater Files
North Carolina Department of Environmental Quality I Division Of Energy,Mineral,and Land Resources
Mooresville Regional Office l 610 East Center Avenue,Suite 301',ivlooresville,North Carolina 28115
teaar>rrt7Y.z.#uy -
nfwas�ri oft 704-235-2100

Compliance Inspection Report
Permit:NCG020070 Effective: 07/01/25 Expiration: 06/30/30 Owner• Martin Marietta Materials Inc
SOC: . Effective: Expiration: Facility:Martin Marietta-Bakers
County: Union 2111 Rocky River Rd
Region: Mooresville
Monroe NC 28110
Contact Person:Jay Nivens Title: Phone:[phone]
Directions to Facility:
System Classifications: SWNC,
Primary ORC: Certification: Phone:
Secondary ORC(s):
On-Site Representative(s):
Related Permits:
Inspection Date: 07/17/2025 Entry Time 09:45AM Exit Time: 10:35AM
Primary Inspector:Lily C Kay Phone: [phone]
Secondary Inspector(s):
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: Mining Activities Stormwater Discharge COC
Facility Status: 0 Compliant ❑ Not Compliant
Question Areas:
Storm Water
(See attachment summary)
Page 1 of 3

Permit: NCG020070 Owner-Facility:Martin Marietta Materials Inc
Inspection Date: 07/17/2025 Inspection Type:Compliance Evaluation Reason for Visit: Routine
Inspection Summary:
The Stormwater Pollution Prevention Plan (SWPPP)and related documentation was complete including the annual
certification, employee training records, and inspection records. The facility appeared well operated and maintained and no
issues were observed at the outfall. If you have questions, contact me at [e-mail] or by phone at(704)
235-2137.
Page 2 of 3

Permit: NCG020070 Owner-Facility:Martin Marietta Materials Inc
Inspection Date: 07/17/2025 Inspection Type:Compliance Evaluation Reason for Visit: Routine
Stormwater Pollution Prevention Plan Yes No NA NE
Does the site have a Stormwater Pollution Prevention Plan? 0 ❑ ❑ ❑
#Does the Plan include a General Location(USGS)map? 0 ❑ ❑ ❑
#Does the Plan include a"Narrative Description of Practices"? ❑ ❑ ❑
#Does the Plan include a detailed site map including outfall locations and drainage areas? N ❑ ❑ ❑
#Does the Plan include a list of significant spills occurring during the past 3 years? 0 ❑ ❑ ❑
#Has the facility evaluated feasible alternatives to current practices? N ❑ ❑ ❑
#Does the facility provide all necessary secondary containment? 0 ❑ ❑ ❑
#Does the Plan include a BMP summary? 0 ❑ ❑ ❑
#Does the Plan include a Spill Prevention and Response Plan(SPRP)? 0 ❑ ❑ ❑
#Does the Plan include a Preventative Maintenance and Good Housekeeping Plan? 0 ❑ ❑ ❑
#Does the facility provide and document Employee Training? E ❑ ❑ ❑
#Does the Plan include a list of Responsible Party(s)? 0 ❑ ❑ ❑
#Is the Plan reviewed and updated annually? 0 ❑ ❑ ❑
#Does the Plan include a Stormwater Facility Inspection Program? 0 ❑ ❑ ❑
Has the Stormwater Pollution Prevention Plan been implemented? 0 ❑ ❑ ❑
Comment: The Stormwater Pollution Prevention Plan (SWPPP) and related documentation was complete
includinq the annual certification. employee training records and inspection records.
Qualitative Monitoring Yes No NA NE
Has the facility conducted its Qualitative Monitoring? ❑ ❑ ❑
Comment: Qualitative monitoring has been conducted and records were complete.
Analytical Monitoring Yes No NA NE
Has the facility conducted its Analytical monitoring? 0 ❑ ❑ ❑
#Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas? 0 ❑ ❑ ❑
Comment: Analytical monitoring has been conducted and records were complete.
Permit and Outfalls Yes No NA NE
#Is a copy of the Permit and the Certificate of Coverage available at the site? ❑ ❑ ❑
#Were all outfalls observed during the inspection? 0 ❑ ❑ ❑
#If the facility has representative outfall status, is it properly documented by the Division? ❑ ❑ 0 ❑
#Has the facility evaluated all illicit(non stormwater)discharges? ❑ ❑ ❑
Comment: One outfall was observed with no discharge or issues.
Page 3 of 3