Clean Water Act discharge permit · NPDES MDR003018

GALVCO OF MARYLAND, LLC, DBA BALTIMORE GALVANIZING, Rosedale, MD: NPDES MDR003018 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
2Pollutants under a numeric limit
0Pollutants with an effluent exceedance

GALVCO OF MARYLAND, LLC, DBA BALTIMORE GALVANIZING, held by Galvco of Maryland, LLC, dba Baltimore Galvanizing, holds NPDES permit MDR003018. EPA’s file records it issued October 16, 2014 and expiring December 31, 2018. 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.

Identity

Facility as filed	GALVCO OF MARYLAND, LLC, DBA BALTIMORE GALVANIZING
Permittee as filed	Galvco of Maryland, LLC, dba Baltimore Galvanizing
NPDES ID	MDR003018
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	October 16, 2014
Expiration date	December 31, 2018
Address	Rosedale, MD 21237
Receiving water impaired	303(D) Listed
Subwatershed	Redhouse Creek-Back River (HUC 020600030702)
Other EPA IDs (FRS)	RCRA handler MDD049918659; ICIS-AIR source MD0000002400500302

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

2Pollutants on file
2Under a numeric limit
2With 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
Zinc, total [as Zn]	2	20	0
Nitrite + Nitrate total [as N]	2	18	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDR003018.

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 MDR003018.

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.

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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 MDR003018 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit MDR003018, held by GALVCO OF MARYLAND, LLC, DBA BALTIMORE GALVANIZING, a minor discharger in Rosedale, MD, whose permit is administratively continued after its December 31, 2018 expiration. The page lists 2 as the discharger class, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance, with the permit issued October 16, 2014 and the receiving water within Redhouse Creek-Back River (HUC 020600030702).