Clean Water Act discharge permit · NPDES MDG999304

RILEY'S MARINA SALES & SERVICE, INC., Essex, MD: NPDES MDG999304 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
5Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

RILEY'S MARINA SALES & SERVICE, INC., held by MIDDLE RIVER LANDING MARINA, LLC, holds NPDES permit MDG999304, which discharges to Middle River. EPA’s file records it issued July 14, 2011 and expiring February 28, 2015.

RILEY'S MARINA SALES & SERVICE, INC., Essex, Maryland: Coverage under a general permit MDG999304, held by MIDDLE RIVER LANDING MARINA, LLC; Administratively continued (past its expiration date and still in force until reissued); issued July 14, 2011, term to February 28, 2015, by Maryland Department of The Environment; discharges to Middle River.

Solids, total suspended: 2 limits, 5 violations of any kind, 0 effluent exceedances.
Oil & Grease: 2 limits, 5 violations of any kind, 0 effluent exceedances.
Copper, total [as Cu]: 2 limits, 5 violations of any kind, 0 effluent exceedances.
Zinc, total [as Zn]: 2 limits, 5 violations of any kind, 0 effluent exceedances.
Flow: 1 limit, 5 violations of any kind, 0 effluent exceedances.

RILEY'S MARINA SALES & SERVICE, INC. among its neighbors

EPA’s permit file holds 1 discharge permits in the Cherry Creek subwatershed (HUC 050200060102), MDG999304 among them. Its county holds 202, 4 of them major permits; MDG999304 is a minor permit.

Identity

Facility as filed	RILEY'S MARINA SALES & SERVICE, INC.
Permittee as filed	MIDDLE RIVER LANDING MARINA, LLC
NPDES ID	MDG999304
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 14, 2011
Expiration date	February 28, 2015
Issuing agency	Maryland Department of The Environment
Address	Essex, MD 21221
Receiving water	Middle River
Subwatershed	Cherry Creek (HUC 050200060102)
Other EPA IDs (FRS)	RCRA handler MDD985399583

Effluent limits and exceedances

5Pollutants on file
5Under a numeric limit
5With 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
Solids, total suspended	2	5
Oil & Grease	2	5
Copper, total [as Cu]	2	5
Zinc, total [as Zn]	2	5
Flow	1	5

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG999304.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MDG999304.

Inspections

EPA’s inspection file holds no inspection for NPDES MDG999304.

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 MDG999304.

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Nearby on the register

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

This public-records page covers Clean Water Act NPDES discharge permit MDG999304, held by Riley's Marina Sales & Service, Inc. in Essex, MD, which discharges to Middle River in the Cherry Creek subwatershed (HUC 050200060102). The page lists a permit status of administratively continued, a Minor Discharger class, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.