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Clean Water Act discharge permit · NPDES MDG870309

NATIONAL MARITIME INTELLIGENCE, Suitland, MD: NPDES MDG870309 discharge permit, effluent exceedances, inspections, penalties

NATIONAL MARITIME INTELLIGENCE holds NPDES permit MDG870309, which discharges to Oxon Creek. EPA’s file records it issued February 17, 2023 and expiring June 30, 2025.

NATIONAL MARITIME INTELLIGENCE, Suitland, Maryland: Coverage under a general permit MDG870309; Administratively continued (past its expiration date and still in force until reissued); issued February 17, 2023, term to June 30, 2025, by MARYLAND DEPARTMENT OF THE ENVIRONMENT; discharges to OXON CREEK.

NATIONAL MARITIME INTELLIGENCE among its neighbors

EPA’s permit file holds 124 discharge permits in the Fourmile Run-Potomac River subwatershed (HUC 020700100301), MDG870309 among them. Its county holds 155, 3 of them major permits; MDG870309 is a minor permit.

Other permits in the Fourmile Run-Potomac River subwatershed (HUC 020700100301)

  • 4600 FAIRFAX DRIVE, Arlington: VAR10W570, minor permit, discharging to Potomac River-Fourmile Run, permit term to June 30, 2029
  • 624 N GLEBE RD, Arlington: VAR10O720, minor permit, discharging to Potomac River-Fourmile Run, permit term to June 30, 2024
  • 901 NORTH FAIRFAX, Alexandria: VAR10M123, minor permit, discharging to Potomac River-Fourmile Run, permit term to June 30, 2024
  • 901 PITT STREET, Alexandria: VAR10S425, minor permit, discharging to Potomac River-Fourmile Run, permit term to June 30, 2024
  • ACE BUILDING RAZE, Alexandria: VAR10S976, minor permit, discharging to Potomac River-Fourmile Run, permit term to June 30, 2024
  • AHDC GLEBE MOUNT VERNON, Alexandria: VAG830610, minor permit, discharging to Potomac River-Fourmile Run, permit term to February 29, 2028
  • AHDC GLEBE/MT.VERNON, Alexandria: VAR10S111, minor permit, discharging to Potomac River-Fourmile Run, permit term to June 30, 2024
  • AHDC SEMINARY ROAD, Alexandria: VAR10R749, minor permit, discharging to Cameron Run, permit term to June 30, 2024
  • ALABAMA AVENUE APARTMENTS, Washington, D.C.: DCR1000BR, minor permit, permit term to February 16, 2027
  • ALEXAN COLUMBIA PIKE, Arlington: VAR10X283, minor permit, discharging to Potomac River-Fourmile Run, permit term to June 30, 2029

What the register holds for NATIONAL MARITIME INTELLIGENCE: its NPDES ID, its permit type and status, its dates, its address in Suitland, Maryland, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDG870309.

Identity

Facility as filedNATIONAL MARITIME INTELLIGENCE
Permittee as filedNATIONAL MARITIME INTELLIGENCE
NPDES IDMDG870309
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
IssuedFebruary 17, 2023
Expiration dateJune 30, 2025
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressSuitland, MD 20752
Receiving waterOXON CREEK
SubwatershedFourmile Run-Potomac River (HUC 020700100301)
Other EPA IDs (FRS)RCRA handler MDR000008748; ICIS-AIR source MD0000002403300463

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MDG870309.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MDG870309.

Inspections

EPA’s inspection file holds no inspection for NPDES MDG870309.

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 MDG870309.

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, MDG870309.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

NATIONAL MARITIME INTELLIGENCE is one of 2 NPDES permits in the Fourmile Run-Potomac River subwatershed, and it sits among 131 general permit coverages in Prince George's County, with 54.2% of those coverages carrying an earlier issue date than this one. Its record shows zero pollutants under a numeric limit and zero pollutants with an effluent exceedance, which sets it apart from the 46.6% of the county's general permit coverages that have a violation on file.