Clean Water Act discharge permit · NPDES MAPIU00H0
CATALENT, Chelsea, MA: NPDES MAPIU00H0 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CATALENT, held by Catalent, holds NPDES permit MAPIU00H0. EPA’s file records it issued March 14, 2025 and expiring February 15, 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 CATALENT: its NPDES ID, its permit type and status, its dates, its address in Chelsea, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAPIU00H0.
Identity
| Facility as filed | CATALENT |
|---|---|
| Permittee as filed | Catalent |
| NPDES ID | MAPIU00H0 |
| Permit status | Effective |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 14, 2025 |
| Expiration date | February 15, 2028 |
| Issuing agency | Mwra Deer Island Treatment Plant |
| Address | Chelsea, MA 02150 |
| Receiving water impaired | 303(D) Listed |
| Other EPA IDs (FRS) | RCRA handler MAC300095031; ICIS-AIR source MA0000002511903995 |
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 MAPIU00H0.
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 MAPIU00H0.
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
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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 MAPIU00H0 there.
Nearby on the register
- Discharge permits in Chelsea
- Every permit record in Chelsea, 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.