Clean Water Act discharge permit · NPDES MD0052108

SEABOARD ASPHALT PRODUCTS COMP, Baltimore, MD: NPDES MD0052108 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
1Pollutants with an effluent exceedance

SEABOARD ASPHALT PRODUCTS COMP, held by SEABOARD ASPHALT PRODUCTS CO., holds NPDES permit MD0052108, which discharges to Patapsco River. EPA’s file records it issued February 1, 2003 and expiring January 31, 2008. 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	SEABOARD ASPHALT PRODUCTS COMP
Permittee as filed	SEABOARD ASPHALT PRODUCTS CO.
NPDES ID	MD0052108
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	February 1, 2003
Expiration date	January 31, 2008
Address	Baltimore, MD 21226
Receiving water	PATAPSCO RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Curtis Creek-Curtis Bay (HUC 020600031202)

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

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
4With a violation of any kind
1With 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
pH	2	55	1	December 31, 2000
Flow, in conduit or thru treatment plant	2	56	0
Oil & Grease	2	45	0
Solids, total suspended	2	34	0

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 MD0052108.

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 MD0052108 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 MD0052108, held by SEABOARD ASPHALT PRODUCTS CO. for a facility listed as SEABOARD ASPHALT PRODUCTS COMP in Baltimore, MD, which discharges to the PATAPSCO RIVER. The permit is administratively continued, with a minor discharger class, an issue date of February 1, 2003, and an expiration date of January 31, 2008. The file lists 4 pollutants on file, 1 of which is under a numeric limit and 1 of which has an effluent exceedance.