Clean Water Act discharge permit · NPDES CTRSW0115
STANCHEM, INC., East Berlin, CT: NPDES CTRSW0115 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 26Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
STANCHEM, INC., held by STANCONN LLC, holds NPDES permit CTRSW0115, which discharges to Mattabesset River. EPA’s file records it issued December 7, 2022 and expiring March 1, 2025. 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.
Identity
| Facility as filed | STANCHEM, INC. |
|---|---|
| Permittee as filed | STANCONN LLC |
| NPDES ID | CTRSW0115 |
| 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 |
| Issued | December 7, 2022 |
| Expiration date | March 1, 2025 |
| Issuing agency | CT DEEP |
| Address | East Berlin, CT 06023 |
| Receiving water | Mattabesset River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Mattabesset River (HUC 010802050603) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 26Pollutants on file
- 26Under a numeric limit
- 16With 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 |
|---|---|---|---|---|---|
| pH | 6 | 8 | 0 | ||
| Lead, total [as Pb] | 3 | 4 | 0 | ||
| Zinc, total [as Zn] | 3 | 4 | 0 | ||
| Flow rate | 1 | 4 | 0 | ||
| Solids, total suspended | 1 | 4 | 0 | ||
| Solids, settleable | 1 | 4 | 0 | ||
| Arsenic, total [as As] | 1 | 4 | 0 | ||
| Barium, total [as Ba] | 1 | 4 | 0 | ||
| Cadmium, total [as Cd] | 1 | 4 | 0 | ||
| Chromium, total [as Cr] | 1 | 4 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 4 | 0 | ||
| Flow, maximum during 24 hr period | 1 | 4 | 0 | ||
| Volatile Organic Compound [VOC] | 1 | 4 | 0 | ||
| Mercury, total [as Hg] | 1 | 4 | 0 | ||
| Flow | 1 | 4 | 0 | ||
| Hydrocarbons, total petroleum | 1 | 4 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 0 | 0 | ||
| Specific conductance | 2 | 0 | 0 | ||
| Alkalinity, total [as CaCO3] | 2 | 0 | 0 | ||
| Salinity | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Iron, total [as Fe] | 2 | 0 | 0 | ||
| Chlorine, total residual | 2 | 0 | 0 | ||
| NOAEL Static 48Hr Acute D. pulex | 2 | 0 | 0 | ||
| NOAEL Static 48Hr Acute Pimephales promelas | 2 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CTRSW0115.
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 CTRSW0115.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 CTRSW0115 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.