Clean Water Act discharge permit · NPDES MAG360009
NORTHFIELD MOUNTAIN, LLC., Northfield, MA: NPDES MAG360009 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
NORTHFIELD MOUNTAIN, LLC. holds NPDES permit MAG360009, which discharges to Connecticut River. EPA’s file records it issued June 13, 2012 and expiring December 31, 2014. 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.
What the register holds for NORTHFIELD MOUNTAIN, LLC.: its NPDES ID, its permit type and status, its dates, its address in Northfield, Massachusetts, its receiving water, and 4 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAG360009.
Identity
| Facility as filed | NORTHFIELD MOUNTAIN, LLC. |
|---|---|
| Permittee as filed | NORTHFIELD MOUNTAIN, LLC. |
| NPDES ID | MAG360009 |
| 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 | June 13, 2012 |
| Expiration date | December 31, 2014 |
| Address | Northfield, MA 01360 |
| Receiving water | CONNECTICUT RIVER |
| Subwatershed | Dry Brook-Connecticut River (HUC 010802010503) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 0With 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 | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 0 | 0 | ||
| Oil & Grease | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MAG360009.
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 MAG360009.
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 MAG360009 there.
Nearby on the register
- Discharge permits in Northfield
- Every permit record in Northfield, 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.