Clean Water Act discharge permit · NPDES MDG999137

STONEY CREEK BRIDGE MARINA, Baltimore, MD: NPDES MDG999137 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

STONEY CREEK BRIDGE MARINA, held by Greenland Beach Yacht Basin, Inc. T/A Stoney Creek Bridge Marina, holds NPDES permit MDG999137. EPA’s file records it issued July 18, 2012 and expiring February 28, 2015.

STONEY CREEK BRIDGE MARINA, Baltimore, Maryland: Coverage under a general permit MDG999137, held by Greenland Beach Yacht Basin, Inc. T/A Stoney Creek Bridge Marina; Administratively continued (past its expiration date and still in force until reissued); issued July 18, 2012, term to February 28, 2015, by Maryland Department of The Environment.

Solids, total suspended: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Oil & Grease: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Copper, total [as Cu]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Lead, total [as Pb]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Zinc, total [as Zn]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Flow: 1 limit, 0 violations of any kind, 0 effluent exceedances.

STONEY CREEK BRIDGE MARINA among its neighbors

EPA’s permit file holds 26 discharge permits in the Stoney Creek-Patapsco River-Chesapeake Bay subwatershed (HUC 020600031204), MDG999137 among them. Its county holds 177, 7 of them major permits; MDG999137 is a minor permit.

Other permits in the Stoney Creek-Patapsco River-Chesapeake Bay subwatershed (HUC 020600031204)

AMAZON.COM SERVICES LLC - DCA6, Baltimore: MDR003555, minor permit, discharging to BEAR CREEK, permit term to December 31, 2026
ATLANTIC MARINA RESORT, LLC., Pasadena: MDG767001, minor permit, discharging to PATAPSCO, permit term to November 30, 2027
BUDGET FUEL STOP SITE, Dundalk: MDG916911, minor permit, discharging to PATAPSCO RIVER, permit term to April 22, 2002
BWI - SPARROWS POINT, LLC., Sparrows Point: MD0001180, minor permit, discharging to PATAPSCO RIVER, permit term to July 31, 2020
COX CREEK RECLAMATION FACILITY, Curtis Bay: MDL021661, minor permit, permit term to December 31, 2025
COX CREEK WATER RECLAMATION FACILITY, Curtis Bay: MDR000760, minor permit, discharging to Baltimore Harbor, permit term to January 31, 2028
DUNDALK METAL RECYCLING, Dundalk: MDR003985, minor permit, permit term to January 31, 2028
FT. SMALLWOOD COMPLEX (FORMERLY WAGNERS STATION), Brandon Shores: MD0001503, major permit, discharging to PATAPSCO RIVER, permit term to April 30, 2014
HAND BROTHERS MARINA, Glen Burnie: MDG999358, minor permit, permit term to February 8, 2016
HAWKINS POINT PLANT, Baltimore: MD0001261, minor permit, discharging to PATAPSCO RIVER, permit term to September 30, 2021

What the register holds for STONEY CREEK BRIDGE MARINA: its NPDES ID, its permit type and status, its dates, its address in Baltimore, Maryland, and 6 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDG999137.

Identity

Facility as filed	STONEY CREEK BRIDGE MARINA
Permittee as filed	Greenland Beach Yacht Basin, Inc. T/A Stoney Creek Bridge Marina
NPDES ID	MDG999137
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	July 18, 2012
Expiration date	February 28, 2015
Issuing agency	Maryland Department of The Environment
Address	Baltimore, MD 21226
Receiving water impaired	303(D) Listed
Subwatershed	Stoney Creek-Patapsco River-Chesapeake Bay (HUC 020600031204)

Effluent limits and exceedances

6Pollutants on file
6Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total suspended	1	0	0
Oil & Grease	1	0	0
Copper, total [as Cu]	1	0	0
Lead, total [as Pb]	1	0	0
Zinc, total [as Zn]	1	0	0
Flow	1	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG999137.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MDG999137.

Inspections

EPA’s inspection file holds no inspection for NPDES MDG999137.

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 MDG999137.

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Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES MDG999137 for STONEY CREEK BRIDGE MARINA in Baltimore, Maryland, held by Greenland Beach Yacht Basin, Inc. T/A Stoney Creek Bridge Marina. The permit is administratively continued, is classed as a Minor Discharger, and lists 6 pollutants under a numeric limit with 0 pollutants showing an effluent exceedance.