Clean Water Act discharge permit · NPDES MDG498014

MARYLAND RECLAMATION, LLC- HAMMETT PROPERTY, Upper Marlboro, MD: NPDES MDG498014 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
5Pollutants under a numeric limit
3Pollutants with an effluent exceedance

MARYLAND RECLAMATION, LLC- HAMMETT PROPERTY, held by MARYLAND RECLAMATION, LLC-HAMMETT PROPERTY, holds NPDES permit MDG498014, which discharges to Western Branch. EPA’s file records it issued October 1, 2011 and expiring May 31, 2015. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	MARYLAND RECLAMATION, LLC- HAMMETT PROPERTY
Permittee as filed	MARYLAND RECLAMATION, LLC-HAMMETT PROPERTY
NPDES ID	MDG498014
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 1, 2011
Expiration date	May 31, 2015
Issuing agency	MARYLAND DEPARTMENT OF THE ENVIRONMENT
Address	Upper Marlboro, MD 20774
Receiving water	WESTERN BRANCH
Receiving water impaired	303(D) Listed
Subwatershed	Charles Branch-Western Branch Patuxent River (HUC 020600060304)
SIC	1442 – Construction Sand And Gravel

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

5Pollutants on file
5Under a numeric limit
5With a violation of any kind
3With 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	2	32	15	June 30, 2014	982% over the limit
pH	2	17	1	December 31, 2018
Solids, settleable	1	9	1	December 31, 2010	100% over the limit
Flow, in conduit or thru treatment plant	2	30	0
pH change [range]	2	14	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 MDG498014.

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 MDG498014 there.

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 MDG498014, held by MARYLAND RECLAMATION, LLC-HAMMETT PROPERTY in Upper Marlboro, MD, which discharges to WESTERN BRANCH. The permit is listed as administratively continued, with a Minor discharger class of 5, 3 pollutants under a numeric limit, and 3 pollutants with an effluent exceedance.