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Clean Water Act discharge permit · NPDES NCG020689

ALEXANDER QUARRY, Hiddenite, NC: NPDES NCG020689 discharge permit, effluent exceedances, inspections, penalties

ALEXANDER QUARRY, held by Martin Marietta Materials Inc, holds NPDES permit NCG020689. EPA’s file records it issued July 1, 2021 and expiring June 30, 2025.

ALEXANDER QUARRY, Hiddenite, North Carolina: Coverage under a general permit NCG020689, held by Martin Marietta Materials Inc; 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 NCG020689. Martin Marietta Materials Inc holds 56 permits in North Carolina.

Other permits held by Martin Marietta Materials Inc

Coverages issued nearest NCG020689

ALEXANDER QUARRY among its neighbors

EPA’s permit file holds 21 discharge permits in the Mountain Creek subwatershed (HUC 030501011201), NCG020689 among them. Its county holds 20, 0 of them major permits; NCG020689 is a minor permit.

Other permits in the Mountain Creek subwatershed (HUC 030501011201)

What the register holds for ALEXANDER QUARRY: its NPDES ID, its permit type and status, its dates, its address in Hiddenite, North Carolina. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NCG020689.

Identity

Facility as filedALEXANDER QUARRY
Permittee as filedMartin Marietta Materials Inc
NPDES IDNCG020689
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
AddressHiddenite, NC 28636
SubwatershedMountain Creek (HUC 030501011201)
SIC1499 – Miscellaneous Nonmetallic Minerals

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES NCG020689.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES NCG020689.

Inspections

EPA’s inspection file holds no inspection for NPDES NCG020689.

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 NCG020689.

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, NCG020689.

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Nearby on the register

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

What this page shows

ALEXANDER QUARRY is one of 16 storm water industrial permits in Alexander County on EPA's NPDES register, and 6.3% of those permits carry a violation on file. The permit sits within the Mountain Creek subwatershed, where 21 NPDES permits are counted, and it has no pollutant under a numeric limit and no effluent exceedance recorded.