NCG070230_Cover Letter (Signed)_20230824

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ROY COOPER ( )
Governor )7
ELIZABETH S.BISER
Secretary �Qfiani .a%
DOUGLAS R.ANSEL NORTH CAROLINA
lnrerimDirector Environmental Quality
August 24, 2023
Cast Stone Systems,Inc.
Attn:Thomas Echols Jr.
532 North Main Street.
Warrenton,NC 27589
Subject: General Permit No.NCG070000
Cast Stone Systems, Inc.
COC No.NCG070230
Warren County
Dear Thomas Echols Jr.:
In accordance with your application for a discharge permit received on March 30, 2022,we are
forwarding herewith 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 order to comply with the conditions of NCG070000 to which you are now subject,you are
required to do the following:
➢ Develop and Implement a SWPPP within 12 months of permit issuance.
➢ Download and print a copy of the NCG070000 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 monitoring requirements of the newly renewed General Permit NCG070000,
permittees will have a grace period from analytical monitoring until the start of Quarter 1
(January 1 -March 31) 2024.Qualitative monitoring shall be conducted as usual.
mw QZ� North Carolina Department of Environmental Quality I Division of Energy,Mineral and Land Resources
512 North Salisbury Street 11612.Mail Service Center I Raleigh North Carolina 27699-1612
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919.107.9200

➢ Per the requirements of the Tar-Pamlico Riparian (streamside) Buffer Rule (15A NCAC
02B.0734),all stormwater runoff into the riparian buffer shall meet dispersed flow
requirements of 15A NCAC 02H.1002 for portions of the project built after January 1,
2000. Also, drainage conveyances (drainage ditches,roadside ditches, and stormwater
conveyances)through riparian buffer must meet requirements of the Tar-Pamlico Riparian
buffer rules, per 15A NCAC 02B .0734.
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 brittany.cookPncdenr.gov.
/Sincerely,
� ela
Britta y Cook
NPDES Stormwater Permit Coordinator
Division of Energy, Mineral, and Land Resources
cc: Raleigh Regional Office/T.Valentine
North Carolina Department of Environmental Quality I Division of Energy.Mineral and Land Resources
512 North Salisbury Street 11612 Mail Service Center I Raleigh.North Carolina 27699-1612
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