Clean Water Act discharge permit · NPDES MDR003477

CLINTON METAL COMPANY, Clinton, MD: NPDES MDR003477 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
7Pollutants under a numeric limit
0Pollutants with an effluent exceedance

CLINTON METAL COMPANY holds NPDES permit MDR003477, which discharges to Piscataway. EPA’s file records it issued September 25, 2025 and expiring January 31, 2028. 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 CLINTON METAL COMPANY: its NPDES ID, its permit type and status, its dates, its address in Clinton, Maryland, its receiving water, and 7 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDR003477.

Identity

Facility as filed	CLINTON METAL COMPANY
Permittee as filed	CLINTON METAL COMPANY
NPDES ID	MDR003477
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	September 25, 2025
Expiration date	January 31, 2028
Issuing agency	MARYLAND DEPARTMENT OF THE ENVIRONMENT
Address	Clinton, MD 20735
Receiving water	PISCATAWAY
Receiving water impaired	303(D) Listed
Subwatershed	Tinkers Creek (HUC 020700100304)
Other EPA IDs (FRS)	RCRA handler MDD074832932

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

7Pollutants on file
7Under 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
Oxygen demand, chem. [COD], dissolved	2	0	0
Solids, total suspended	2	0	0
Iron, total [as Fe]	2	0	0
Lead, total [as Pb]	2	0	0
Zinc, total [as Zn]	2	0	0
Aluminum, total recoverable	2	0	0
Copper, total recoverable	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDR003477.

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 MDR003477.

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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MDR003477.

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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 MDR003477 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 MDR003477 held by CLINTON METAL COMPANY in Clinton, MD, which discharges to Piscataway. The permit is listed as Effective, a Minor Discharger class 7 entry, with 7 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.