Clean Water Act discharge permit · NPDES MAR053765
SOLENIS LLC, Chicopee, MA: NPDES MAR053765 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SOLENIS LLC, held by Solenis, LLC, holds NPDES permit MAR053765. EPA’s file records it issued December 23, 2015 and expiring June 3, 2020. 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.
Identity
| Facility as filed | SOLENIS LLC |
|---|---|
| Permittee as filed | Solenis, LLC |
| NPDES ID | MAR053765 |
| 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 |
| Program | Industrial stormwater |
| Issued | December 23, 2015 |
| Expiration date | June 3, 2020 |
| Issuing agency | U.S. EPA |
| Address | Chicopee, MA 01013 |
| Subwatershed | Outlet Chicopee River (HUC 010802040402) |
| SIC | 2821 – Plastics Materials And Resins |
| Other EPA IDs (FRS) | RCRA handler MAC300020419; ICIS-AIR source MA0000002504200433 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 7Pollutants on file
- 6Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| Zinc, total [as Zn] | 1 | 13 | 0 | ||
| E. coli | 1 | 4 | 0 | ||
| Temperature, water deg. centigrade | 1 | 3 | 0 | ||
| Solids, total suspended | 1 | 3 | 0 | ||
| Copper, total [as Cu] | 1 | 2 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 2 | 0 | ||
| Zinc, total recoverable | 0 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MAR053765.
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 MAR053765.
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 MAR053765 there.
Nearby on the register
- Discharge permits in Chicopee
- Every permit record in Chicopee, A to Z
- Discharge permits in Massachusetts
- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.