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Clean Water Act discharge permit · NPDES NCG020076

THOMASVILLE QUARRY, Thomasville, NC: NPDES NCG020076 discharge permit, effluent exceedances, inspections, penalties

THOMASVILLE QUARRY, held by Martin Marietta Materials Inc, holds NPDES permit NCG020076. EPA’s file records it issued July 1, 2021 and expiring June 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for THOMASVILLE QUARRY: its NPDES ID, its permit type and status, its dates, its address in Thomasville, North Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NCG020076.

Identity

Facility as filedTHOMASVILLE QUARRY
Permittee as filedMartin Marietta Materials Inc
NPDES IDNCG020076
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedJuly 1, 2021
Expiration dateJune 30, 2025
AddressThomasville, NC 27360
SubwatershedBeaverdam Creek-Yadkin River (HUC 030401030605)
SIC1423 – Crushed And Broken Granite
Other EPA IDs (FRS)RCRA handler NCD986204618; ICIS-AIR source NC0000003702900132

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES NCG020076.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES NCG020076.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, NCG020076.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID NCG020076 there.

Nearby on the register

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

What this page shows

The THOMASVILLE QUARRY storm water industrial permit (NPDES ID NCG020076) is one of 45 such permits in Davidson County, and 0.0% of those 45 have a violation on file. Among those 45 Davidson County storm water industrial permits, this one, which was issued July 1, 2021, has an earlier issue date than 55.6% of them. It is also one of 40 NPDES permits in the Beaverdam Creek-Yadkin River subwatershed, the same subwatershed listed for this facility.