NCG030690_COC with Cover Letter_20180227

Energy, Mineral &
Land Resources
ENVIRONMENTAL QUALITY
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
WILLIAM E. (TOBY) VINSON, JR.
Interim Director
February 26, 2018
Mr. Steven F. Shoemaker
Caterpillar, Inc.
100 NE Adams Street
Peoria, IL 61629
Subject: General Permit No. NCG030000
Clayton Machine Development Center
Issuance of COC No. NCG030690
Johnston County
Dear Mr. Shoemaker:
In accordance with your application for a discharge permit received on January 22, 2018, we are
forwarding herewith the subject certificate of coverage (COC) to discharge under the subject state —
NPDES general permit. This permit is issued pursuant to the requirements of North Carolina General
Statute 143-215.1 and the Memorandum of Agreement between North Carolina and the US
Environmental Protection Agency dated October 15, 2007 (or as subsequently amended).
Please take notice that this certificate of coverage is not transferable except upon approval of the
Division of Energy, Mineral and Land Resources (DEMLR). DEMLR may require modification or
revocation and reissuance of the certificate of coverage. This permit does not affect the legal
requirements to obtain other permits which may be required by DEMLR, the Coastal Area
Management Act, or any other federal, state or local government permit that may be required.
If you have any questions concerning this permit, please contact Julie Ventaloro at telephone number
[phone] or by email [e-mail].
Sincerely,
for William E, (Toby) Vinson, Jr., P.E., CPM
cc: Raleigh Regional Office, Thad Valentine
Central Files
Stormwater Permitting Program Files
State of North Carolina Environmental QuaEity I Energy, Mineral and Land Resources
512N. Salisbury Street 11612 Mail Service Center I Raleigh, North Carolina 27699-1612
919 707 9200

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL AND LAND RESOURCES
GENERAL PERMIT NO. NCG030000
CERTIFICATE OF COVERAGE No. NCG030690
STORMWATER DISCHARGES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1, other lawful
standards and regulations promulgated and adopted by the North Carolina Environmental
Management Commission, and the Federal Water Pollution Control Act, as amended,
Caterpillar, Inc.
is hereby authorized to discharge stormwater from a facility located at
Clayton Machine Development Center
1167 NC 42 East
Clayton
Johnston County
to receiving waters designated as Neuse River and UT to Neuse River, a class WS-IV;NSW
water in the Neuse River Basin, in accordance with the effluent limitations, monitoring
requirements, and other conditions set forth in Parts I, II, III, and IV of General Permit No.
NCG030000 as attached.
This certificate of coverage shall become effective February 26, 2018.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day February 26, 2018.
for William E(Toby) Vinson, Jr.,1�.E., CPM
Interim Director, Division of Energy, Mineral and Land Resources
By the Authority of the Environmental Management Commission

a
Permit Number NCG030690
Program Category
NPDES SW
Permit Type
Metal Fabrication Stormwater Discharge COC
Primary Reviewer
julie.ventaloro
Coastal SWRule
Permitted Flow
Facility
Central Files: APS _ SWP _
2/25/2018
Permit Tracking Slip
Status Project Type
In review New Project
Version Permit Classification
COC
Permit Contact Affiliation
Facility Name
Major/Minor
Region
Clayton Machine Development Center
Minor
Raleigh
Location Address
County
1167 NC 42 E
Johnston
Facility Contact Affiliation
Clayton NC 27520
Van Ellis
1167 NC 42 E
Owner
Clayton
NC 27520
Owner Name
Owner Type
Caterpillar Inc
Non -Government
Owner Affiliation
Steven F. Shoemaker
Director Engineering
100 Ne Adams St
Dates/Events
Peoria
IL 61629
Scheduled
Orig Issue App Received Draft Initiated Issuance Public Notice Issue E ective Expiration
1/2212018alb (P'�,p�g a���26�g 1O 3
Regulated Activities Requested /Received Events
Metal products manufacture RO staff report received
RO staff report requested 1129118
Outfall SDO A
Waterbody Name Streamindex Number Current Class Subbasin
NEUSE RIVER 27-(38.5) WS-IV;NSW 03-04-02
Outfall SDO B
Waterbody Name Streamindex Number Current Class Subbasin
NEUSE RIVER 27-(38.5) WS-IV;NSW 03-04-02
Outfall SDO C
Waterbody Name Streamindex Number Current Class Subbasin
NEUSE RIVER 27-(38.5) WS-IV;NSW 03-04-02