NCG070149_Renewal COC_20230601

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES
GENERAL PERMIT NO. NCG070000
CERTIFICATE OF COVERAGE No. NCG070149
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,
Imerys Perlite USA Inc
is hereby authorized to discharge stormwater from a facility located at:
Imerys - Youngsville Plant
100 Robert Blunt Dr
Youngsville
Franklin County
to receiving waters designated as Unnamed Tributary to Swift Creek, class WS-III;NSW,CA
waters in the Neuse River Basin(s), in accordance with the effluent limitations, monitoring
requirements, and other conditions set forth in General Permit No. NCG070000 which can
be downloaded by entering "deq.nc.gov/SW-industrial" in the browser window and
navigating to the "NPDES Stormwater General Permits" web page.
This certificate of coverage shall become effective June 1, 2023.
This Certificate of Coverage shall remain in effect for the duration of the General Permit or
until rescinded.
Michael Lawyer, Stormwater Program Supervisor
Division of Energy, Mineral and Land Resources
By the Authority of the Environmental Management Commission