Clean Water Act discharge permit · NPDES CTRSS0156
GREENWICH HIGH SCHOOL, Greenwich, CT: NPDES CTRSS0156 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
GREENWICH HIGH SCHOOL, held by Town of Greenwich, holds NPDES permit CTRSS0156. EPA’s file records it issued January 19, 2022 and expiring March 1, 2026. 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 | GREENWICH HIGH SCHOOL |
|---|---|
| Permittee as filed | Town of Greenwich |
| NPDES ID | CTRSS0156 |
| 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 | January 19, 2022 |
| Expiration date | March 1, 2026 |
| Issuing agency | CT DEEP |
| Address | Greenwich, CT 06830 |
| Subwatershed | Blind Brook-Horseneck Brook (HUC 011000060405) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 11With 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 | 2 | 104 | 0 | ||
| Flow rate | 1 | 52 | 0 | ||
| Solids, total suspended | 1 | 52 | 0 | ||
| Solids, settleable | 1 | 52 | 0 | ||
| Copper, total [as Cu] | 1 | 52 | 0 | ||
| Lead, total [as Pb] | 1 | 52 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 52 | 0 | ||
| Flow, maximum during 24 hr period | 1 | 52 | 0 | ||
| Flow | 1 | 52 | 0 | ||
| Organics-tot voltile [NJAC reg.7:23-17e] | 1 | 52 | 0 | ||
| Hydrocarbons, total petroleum | 1 | 52 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CTRSS0156.
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 CTRSS0156.
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 CTRSS0156 there.
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- Every permit record in Connecticut, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.