Clean Water Act discharge permit · NPDES MDG490063

CONEWAGO MANUFACTURING, LLC - RHOTON FARM, Hagerstown, MD: NPDES MDG490063 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance

CONEWAGO MANUFACTURING, LLC - RHOTON FARM, held by Conewago Manufacturing, LLC, holds NPDES permit MDG490063. EPA’s file records it issued May 21, 2025 and expiring May 21, 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.

What the register holds for CONEWAGO MANUFACTURING, LLC - RHOTON FARM: its NPDES ID, its permit type and status, its dates, its address in Hagerstown, Maryland, and 4 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDG490063.

Identity

Facility as filed	CONEWAGO MANUFACTURING, LLC - RHOTON FARM
Permittee as filed	Conewago Manufacturing, LLC
NPDES ID	MDG490063
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	May 21, 2025
Expiration date	May 21, 2026
Issuing agency	Maryland Department of the Environment
Address	Hagerstown, MD 21740
Receiving water impaired	303(D) Listed
Subwatershed	Meadow Brook-Conococheague Creek (HUC 020700040807)

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

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
0With 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	8	0	0
Solids, total suspended	6	0	0
Flow, in conduit or thru treatment plant	4	0	0
Oil and grease	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG490063.

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 MDG490063.

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 MDG490063 there.

Nearby on the register

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

This public-records page covers NPDES permit MDG490063, held by Conewago Manufacturing, LLC for the CONEWAGO MANUFACTURING, LLC - RHOTON FARM facility in Hagerstown, MD, with a permit status of administratively continued and a discharger class of Minor Discharger class 4. The page lists 0 pollutants under a numeric limit, 0 pollutants with an effluent exceedance, and 4 pollutants under a numeric limit as held in the register, with issue and expiration dates of May 21, 2025 and May 21, 2026.