Clean Water Act discharge permit · NPDES MA0032573
NORTHFIELD MOUNT HERMON SCHOOL, Gill, MA: NPDES MA0032573 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
NORTHFIELD MOUNT HERMON SCHOOL, held by NORTHFIELD MT HERMON SCHOOL, holds NPDES permit MA0032573, which discharges to Connecticut River. EPA’s file records it issued September 30, 2005 and expiring November 29, 2010. 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 | NORTHFIELD MOUNT HERMON SCHOOL |
|---|---|
| Permittee as filed | NORTHFIELD MT HERMON SCHOOL |
| NPDES ID | MA0032573 |
| 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 |
| Issued | September 30, 2005 |
| Expiration date | November 29, 2010 |
| Address | Gill, MA 01354 |
| Receiving water | CONNECTICUT RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Pauchaug Brook-Connecticut River (HUC 010802010501) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 11Under a numeric limit
- 18With a violation of any kind
- 5With 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, total suspended | 6 | 26 | 3 | March 31, 2022 | 491% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 18 | 2 | October 31, 2021 | 12% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 4 | 2 | April 30, 2004 | 39,233% over the limit |
| pH | 2 | 5 | 1 | October 31, 2020 | |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 3 | 1 | June 30, 2005 | 81% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 1 | 28 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 28 | 0 | ||
| Chlorine, total residual | 2 | 4 | 0 | ||
| Coliform, fecal general | 2 | 4 | 0 | ||
| Nitrogen, Nitrite Total | 0 | 3 | 0 | ||
| Nitrogen, Nitrate Total | 0 | 3 | 0 | ||
| BOD, 5-day, percent removal | 1 | 2 | 0 | ||
| Solids, suspended percent removal | 1 | 2 | 0 | ||
| Solids, settleable | 0 | 2 | 0 | ||
| Cadmium, total recoverable | 0 | 1 | 0 | ||
| Nitrogen, Total | 0 | 1 | 0 | ||
| Nitrogen, Kjeldahl Total | 0 | 1 | 0 | ||
| Phosphorus, Total | 0 | 1 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MA0032573.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MA0032573.
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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 MA0032573 there.
Nearby on the register
- Discharge permits in Gill
- Every permit record in Gill, 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.