Clean Water Act discharge permit · NPDES MDG492825

MARYLAND MINERALS,INC., Friendsville, MD: NPDES MDG492825 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
1Pollutants with an effluent exceedance

MARYLAND MINERALS,INC., held by MARYLAND MINERALS,INC.-SAVAGE, holds NPDES permit MDG492825, which discharges to Sang Run Via Youghiogheny River. EPA’s file records it issued December 1, 2011 and expiring April 30, 2015. 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	MARYLAND MINERALS,INC.
Permittee as filed	MARYLAND MINERALS,INC.-SAVAGE
NPDES ID	MDG492825
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	December 1, 2011
Expiration date	April 30, 2015
Issuing agency	Maryland Department of The Environment
Address	Friendsville, MD 21531
Receiving water	SANG RUN via Youghiogheny River
Subwatershed	Salt Block Run-Youghiogheny River (HUC 050200060301)

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

Effluent limits and exceedances

7Pollutants on file
7Under a numeric limit
7With 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	6	69	1	March 31, 2015
Solids, total suspended	6	64	0
Flow, in conduit or thru treatment plant	6	62	0
pH change [range]	6	54	0
Temperature, water deg. fahrenheit	1	8	0
Solids, settleable	1	7	0
Temp. diff. between up/down stream deg. F	1	6	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 MDG492825.

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 MDG492825 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES MDG492825, held by MARYLAND MINERALS,INC.-SAVAGE for a facility listed as MARYLAND MINERALS,INC. in Friendsville, MD, with discharge to Sang Run via the Youghiogheny River. The page lists the permit as administratively continued, with a Minor Discharger class, 7 pollutants under a numeric limit, and 1 pollutant with an effluent exceedance. The permit was issued December 1, 2011 and expires April 30, 2015, and the subwatershed is Salt Block Run-Youghiogheny River (HUC 050200060301).