Clean Water Act discharge permit · NPDES MDR003687

NASA GSFC DDL (B30/B11), Greenbelt, MD: NPDES MDR003687 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

NASA GSFC DDL (B30/B11) holds NPDES permit MDR003687. EPA’s file records it issued August 16, 2022 and expiring December 31, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for NASA GSFC DDL (B30/B11): its NPDES ID, its permit type and status, its dates, its address in Greenbelt, Maryland. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDR003687.

Identity

Facility as filed	NASA GSFC DDL (B30/B11)
Permittee as filed	NASA GSFC DDL (B30/B11)
NPDES ID	MDR003687
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 16, 2022
Expiration date	December 31, 2027
Issuing agency	MARYLAND DEPARTMENT OF THE ENVIRONMENT
Address	Greenbelt, MD 20771

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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 MDR003687.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MDR003687.

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, MDR003687.

Start the watch

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 MDR003687 there.

Nearby on the register

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

The NASA GSFC DDL (B30/B11) general permit coverage, NPDES ID MDR003687, is one of 131 general permit coverages in Prince George's County, Maryland, including this one. Of those 131 coverages, 45.0% were issued earlier than this permit, which was issued August 16, 2022, and 46.6% carry a violation on file, a figure this permit does not share, as it has no pollutants with an effluent exceedance and no pollutants under a numeric limit.