Clean Water Act discharge permit · NPDES MDR003017
MAC MACHINE COMPANY, INC, Baltimore, MD: NPDES MDR003017 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MAC MACHINE COMPANY, INC holds NPDES permit MDR003017. EPA’s file records it issued May 12, 2021 and expiring December 31, 2026. 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.
What the register holds for MAC MACHINE COMPANY, INC: its NPDES ID, its permit type and status, its dates, its address in Baltimore, Maryland. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDR003017.
Identity
| Facility as filed | MAC MACHINE COMPANY, INC |
|---|---|
| Permittee as filed | MAC MACHINE COMPANY, INC |
| NPDES ID | MDR003017 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 12, 2021 |
| Expiration date | December 31, 2026 |
| Issuing agency | MARYLAND DEPARTMENT OF THE ENVIRONMENT |
| Address | Baltimore, MD 21244 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Dead Run-Gywnns Falls (HUC 020600030902) |
| SIC | 3369 – Nonferrous Foundries |
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
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MDR003017.
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 MDR003017.
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 MDR003017 there.
Nearby on the register
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- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.