Clean Water Act discharge permit · NPDES MDG490050

SCHUSTER CONCRETE-NCBP TURNBRIDGE, Upper Marlboro, MD: NPDES MDG490050 discharge permit, effluent exceedances, inspections, penalties

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

SCHUSTER CONCRETE-NCBP TURNBRIDGE, held by Schuster Concrete Ready Mix LLC, holds NPDES permit MDG490050. EPA’s file records it issued September 23, 2023 and expiring September 22, 2026. 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	SCHUSTER CONCRETE-NCBP TURNBRIDGE
Permittee as filed	Schuster Concrete Ready Mix LLC
NPDES ID	MDG490050
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	September 23, 2023
Expiration date	September 22, 2026
Issuing agency	MARYLAND DEPARTMENT OF THE ENVIRONMENT
Address	Upper Marlboro, MD 20774
Receiving water impaired	303(D) Listed
Subwatershed	Collington Branch (HUC 020600060303)

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

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
pH	2	66	0
Solids, total suspended	2	44	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG490050.

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 MDG490050.

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 MDG490050 there.

Nearby on the register

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

This public-records page covers NPDES permit MDG490050, held by Schuster Concrete Ready Mix LLC for the facility SCHUSTER CONCRETE-NCBP TURNBRIDGE in Upper Marlboro, MD, with the permit listed as effective and issued September 23, 2023. The page lists 2 pollutants on file, 2 of them under a numeric limit, 2 with a violation of any kind, and 0 with an effluent exceedance. The receiving water is listed as impaired, in the Collington Branch subwatershed, HUC 020600060303.