Clean Water Act discharge permit · NPDES NCG020146

SHEFFIELD GEM MINE, Franklin, NC: NPDES NCG020146 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

SHEFFIELD GEM MINE, held by Sheffield Gem Mine LLC, holds NPDES permit NCG020146. EPA’s file records it issued July 1, 2021 and expiring June 30, 2025.

SHEFFIELD GEM MINE, Franklin, North Carolina: Coverage under a general permit NCG020146, held by Sheffield Gem Mine LLC; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued July 1, 2021, term to June 30, 2025.

North Carolina holds 3,311 Industrial stormwater coverages of this permit type in EPA’s file; 1,428 were issued before NCG020146.

Coverages issued nearest NCG020146

July 1, 2021: RADFORD QUARRIES OF BOONE INC, Boone, NCG020129, held by Radford Quarries Of Boone Inc
July 1, 2021: M J PRICE PRICE BORROW PIT, Littleton, NCG020131, held by M J Price Price Borrow Pit
July 1, 2021: B V HEDRICK- GREEN RIVER QUARRY, Flat Rock, NCG020133, held by B V Hedrick Gravel & Sand Company
July 1, 2021: MARTIN MARIETTA-BESSEMER CITY QUARRY, Bessemer City, NCG020135, held by Martin Marietta Materials Inc
July 1, 2021: ROY F SAWYER MINE, Columbia, NCG020140, held by Roy F Sawyer Mine
July 1, 2021: THOMPSON CONTRACTORS INCORPORATED, Mill Spring, NCG020147, held by Thompson Contractors Inc
July 1, 2021: THOMPSON CONTRACTORS INCORPORATED-, Rutherfordton, NCG020148, held by Thompson Contractors Inc
July 1, 2021: GROVE STONE & SAND COMPANY, Black Mtn, NCG020150, held by B V Hedrick Gravel & Sand Company
July 1, 2021: VULCAN CONSTRUCTION MATERIALS-ENKA QUARRY, Enka, NCG020151, held by Vulcan Construction Materials LLC
July 1, 2021: JAMESTOWN QUARRY, Jamestown, NCG020152, held by Martin Marietta Materials Inc

SHEFFIELD GEM MINE among its neighbors

EPA’s permit file holds 15 discharge permits in the Lower Cullasaja River subwatershed (HUC 060102020203), NCG020146 among them. Its county holds 28, 0 of them major permits; NCG020146 is a minor permit.

Other permits in the Lower Cullasaja River subwatershed (HUC 060102020203)

287 SHADY LANE, Franklin: NCG550300, minor permit, permit term to October 31, 2025
605 LAKESHORE DRIVE, Franklin: NCG550299, minor permit, permit term to October 31, 2025
COOK BROTHERS LUMBER CO INCORPORATED, Franklin: NCG210171, minor permit, permit term to July 31, 2018
FRANKLIN HYDROELECTRIC PROJECT, Franklin: NCG500657, minor permit, permit term to November 30, 2025
MACON COUNTY AIRPORT, Franklin: NCG150005, minor permit, permit term to August 31, 2022
MACON COUNTY GARAGE AND MAINTENANCE BUILDING, Franklin: NCG080981, minor permit, permit term to June 30, 2026
MACON COUNTY MSW LANDFILL, Franklin: NCG120083, minor permit, permit term to June 30, 2026
MACON MIDDLE SCHOOL, Franklin: NCC241868, minor permit, permit term to March 31, 2029
OLD CARDINAL GEM MINE, Franklin: NCG520016, minor permit, permit term to July 31, 2025
PROPOSED QUICK SERVICE RESTAURANT, Town Of Franklin: NCC216901, minor permit, permit term to March 31, 2029

What the register holds for SHEFFIELD GEM MINE: its NPDES ID, its permit type and status, its dates, its address in Franklin, North Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NCG020146.

Identity

Facility as filed	SHEFFIELD GEM MINE
Permittee as filed	Sheffield Gem Mine LLC
NPDES ID	NCG020146
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	July 1, 2021
Expiration date	June 30, 2025
Address	Franklin, NC 28734
Subwatershed	Lower Cullasaja River (HUC 060102020203)
SIC	7999 – Amusement And Recreation

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES NCG020146.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES NCG020146.

Inspections

EPA’s inspection file holds no inspection for NPDES NCG020146.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES NCG020146.

Watch this permit

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

The Clean Water Act discharge permit filed as SHEFFIELD GEM MINE, held by Sheffield Gem Mine LLC in Franklin, Macon County, North Carolina, is one of 16 storm water industrial permits in Macon County on EPA's NPDES register, and it sits among 15 NPDES permits in the Lower Cullasaja River subwatershed. Of those 16 Macon County storm water industrial permits, 6.3% carry a violation on file, and 68.8% of them were issued before this one. The permit records zero pollutants under a numeric limit and zero pollutants with an effluent exceedance.