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Clean Water Act discharge permit · NPDES NCG020199

MARTIN MARIETTA-GASTON QUARRY, Gastonia, NC: NPDES NCG020199 discharge permit, effluent exceedances, inspections, penalties

MARTIN MARIETTA-GASTON QUARRY, held by Martin Marietta Materials Inc, holds NPDES permit NCG020199. 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 MARTIN MARIETTA-GASTON QUARRY: its NPDES ID, its permit type and status, its dates, its address in Gastonia, North Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NCG020199.

Identity

Facility as filedMARTIN MARIETTA-GASTON QUARRY
Permittee as filedMartin Marietta Materials Inc
NPDES IDNCG020199
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
AddressGastonia, NC 28052
SubwatershedCatawba Creek (HUC 030501011502)
SIC1423 – Crushed And Broken Granite

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES NCG020199.

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 NCG020199.

Inspections

EPA’s inspection file holds no inspection for NPDES NCG020199.

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 NCG020199.

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, NCG020199.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 NCG020199 there.

Nearby on the register

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

What this page shows

A violation on file appears for 0.0% of the storm water industrial permits in Gaston County, and MARTIN MARIETTA-GASTON QUARRY is a discharge permit under the Clean Water Act within that county group. EPA's NPDES register lists 57 storm water industrial permits in Gaston County. The Catawba Creek subwatershed holds 63 NPDES permits, and 54.4% of the county's storm water industrial permits, counting this permit, were issued earlier.