Clean Water Act discharge permit · NPDES CT0101818
CONVENT OF THE SACRED HEART SCHOOL GREENWICH, INC., Greenwich, CT: NPDES CT0101818 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 26Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
CONVENT OF THE SACRED HEART SCHOOL GREENWICH, INC., held by CONVENT OF THE SACRED HEART SCHOOL, holds NPDES permit CT0101818, which discharges to Byram River. EPA’s file records it issued October 9, 2012 and expiring October 31, 2017. 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 | CONVENT OF THE SACRED HEART SCHOOL GREENWICH, INC. |
|---|---|
| Permittee as filed | CONVENT OF THE SACRED HEART SCHOOL |
| NPDES ID | CT0101818 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 9, 2012 |
| Expiration date | October 31, 2017 |
| Issuing agency | CT DEP |
| Address | Greenwich, CT 06831 |
| Receiving water | BYRAM RIVER |
| Subwatershed | Byram River (HUC 011000060403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 29Pollutants on file
- 26Under a numeric limit
- 20With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Solids, suspended percent removal | 1 | 34 | 29 | September 30, 2022 | 565% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 25 | 25 | February 29, 2012 | 139% over the limit |
| Phosphorus, total [as P] | 2 | 25 | 22 | July 31, 2024 | 886% over the limit |
| BOD, 5-day, percent removal | 1 | 13 | 8 | April 30, 2021 | 201% over the limit |
| Solids, total suspended | 3 | 25 | 6 | September 30, 2022 | 195% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 22 | 6 | April 30, 2021 | 250% over the limit |
| Flow | 4 | 9 | 1 | February 28, 2013 | 6% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 2 | 1 | September 30, 2015 | 157% over the limit |
| E. coli | 2 | 58 | 0 | ||
| pH | 2 | 15 | 0 | ||
| Flow rate | 0 | 10 | 0 | ||
| Nitrogen, total [as N] | 1 | 4 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 4 | 0 | ||
| Solids, volatile % of total solids | 1 | 3 | 0 | ||
| Solids, total, percent | 1 | 2 | 0 | ||
| Solids, fixed, % of total solids | 1 | 2 | 0 | ||
| NOAEL Static 48Hr Acute D. pulex | 2 | 1 | 0 | ||
| NOAEL Static 48Hr Acute Pimephales promelas | 2 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 1 | 0 | ||
| Arsenic, sludge tot. dry wt [as As] | 1 | 0 | 0 | ||
| Beryllium, sludge, tot. dry wt [as Be] | 1 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 1 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 1 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 1 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 1 | 0 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 1 | 0 | 0 | ||
| Copper, sludge, total, dry weight [as Cu] | 1 | 0 | 0 | ||
| Cadmium, sludge, total, dry weight [as Cd] | 1 | 0 | 0 |
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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 15, 2023 | Monitoring Violations - Frequency of Sampling Violation | ST6 |
| May 15, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 20, 2019 | Reporting Violations - Failure to Notify | ST6 |
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.
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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 CT0101818 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.