Clean Water Act discharge permit · NPDES MAPIU007Z
BLACK OXIDE COMPANY, LLC, Worcester, MA: NPDES MAPIU007Z discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
BLACK OXIDE COMPANY, LLC, held by Black Oxide Company, LLC, holds NPDES permit MAPIU007Z. EPA’s file records it issued November 13, 2023 and expiring October 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 BLACK OXIDE COMPANY, LLC: its NPDES ID, its permit type and status, its dates, its address in Worcester, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAPIU007Z.
Identity
| Facility as filed | BLACK OXIDE COMPANY, LLC |
|---|---|
| Permittee as filed | Black Oxide Company, LLC |
| NPDES ID | MAPIU007Z |
| Permit status | Effective |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 13, 2023 |
| Expiration date | October 31, 2028 |
| Issuing agency | Upper Blackstone Wpad |
| Address | Worcester, MA 01610 |
| Receiving water impaired | 303(D) Listed |
| Other EPA IDs (FRS) | RCRA handler MAR000603571 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
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 MAPIU007Z.
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 MAPIU007Z.
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, MAPIU007Z.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MAPIU007Z there.
Nearby on the register
- Discharge permits in Worcester
- Every permit record in Worcester, A to Z
- Discharge permits in Massachusetts
- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.