NCG021049_Cover Letter (Signed)_20251001

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JOSH STEIN
Governor v
D.REIDWILSON �,
Secretary
WILLIAM E.TOBY VINSON,JP NORTH CAROLINA
Director Environntental.Qpnlay
October 1, 2025
Piedmont Lithium Carolinas, Inc.
Attn: Monique Parker _
42 E Catawba St
Belmont,NC 28012
Subject: General Permit No.NCG020000
Carolina Lithium-Lithium Hydroxide
(LiOH) Conversion Plant
CDC No.NCGO21049
Gaston County
Dear Monique Parker:
In accordance'with your application for a discharge permit received on November 1, 2024,we are
forwarding he the subject certificate of coverage (CDC) 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).
In drder.to comply with the conditions of NCG020000 to which you are now subject,you are
required to do the following:
➢ Implement a SWPPP before beginning operations.
➢ Download and print a copy of the NCG020000 Permit from the General Permits page on the
NPDES Industrial Stormwater Program web site,which can be reached by typing
"deq.nc.gov/SW-industrial"into your browser and hitting enter.
➢ When you receive an invoice for your annual permit fee each year,pay it promptly.
Electronic payment is convenient and quick,you can access the ePayment web site by
typing"deq.nc.gov/SW-ePayments" into your browser and hitting enter.
➢ If you have not already enrolled in electronic Data Monitoring Reports (eDMR),view the six
step process and complete the registration by typing "deq.nc.gov/SW-eDMR" into your
browser and hitting enter.
➢ Keep information about your facility name, ownership,legally responsible person,address,
and stormwater outfalls up to date. See the Industrial Stormwater Program web site for
instructions.
➢ Per the requirements of the Catawba Riparian (streamside) Buffer Rule (15A NCAC
02B.0243),all stormwater runoff into the riparian buffer shall meet dispersed flow
requirements of 15A NCAC 02H.1002 for portions of the project built after June 30,
2001. Also, drainage conveyances (drainage ditches,roadside ditches,and stormwater
North CaroltnaDepartment of Environmental Quality I Division of Energy,Mineral and(and Resources
.+� 512 North Salisbury Street 11612Mad Service Center I Raleigh,North Carolina 27699-1612
gI9.7079200

conveyances)through riparian buffer must meet requirements of the Catawba Riparian
buffer rules,per 15A NCAC 02B.0243.
Please take notice that this certificate of coverage is not transferable except upon approval from the
Division of Energy, Mineral,and Land Resources (Division). The Division 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 the Division of Water Resources,the Coastal Area Management Act,or any other federal or local
government permit that may be required.
If you have any questions concerning this permit,please contact Brittany Cook at(919) 707-3648
or by email at [e-mail].
Sincerely,
Brittany Cook
NPDES Stormwater General Permit Coordinator
Division of Energy, Mineral,and Land Resources
cc: Mooresville Regional Office/J. Eplin
r North Carolina Department of Environmental Quallty 1 Division of Energy,Mineral and land Resources
512 North Salisbury Street 11612 Mail Service.Center I Raleigh,North Carolina 27699-1612
919.707.9200