Clean Water Act discharge permit · NPDES MA0003654
BRAYTON POINT LLC, Somerset, MA: NPDES MA0003654 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 23Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
BRAYTON POINT LLC, held by DOMINION ENERGY BRAYTON POINT, holds NPDES permit MA0003654, which discharges to Mount Hope Bay. EPA’s file records it issued October 6, 2003 and expiring December 5, 2008. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | BRAYTON POINT LLC |
|---|---|
| Permittee as filed | DOMINION ENERGY BRAYTON POINT |
| NPDES ID | MA0003654 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 6, 2003 |
| Expiration date | December 5, 2008 |
| Address | Somerset, MA 02726 |
| Receiving water | MOUNT HOPE BAY |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mount Hope Bay (HUC 010900040905) |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler MAR000011114 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 23Pollutants on file
- 23Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| Iron, total [as Fe] | 2 | 8 | 8 | April 30, 2015 | 158% over the limit |
| Temp. diff. between samp. & upstrm deg. F | 4 | 3 | 3 | January 31, 2012 | 18% over the limit |
| Copper, total [as Cu] | 4 | 3 | 3 | October 31, 2012 | 1,040% over the limit |
| Solids, total suspended | 2 | 3 | 3 | April 30, 2015 | 156% over the limit |
| Oxidants, total residual | 13 | 2 | 2 | March 31, 2008 | 54% over the limit |
| pH | 2 | 2 | 2 | April 30, 2012 | |
| Flow, in conduit or thru treatment plant | 21 | 1 | 1 | October 31, 2005 | 0% over the limit |
| Temperature, water deg. fahrenheit | 5 | 1 | 1 | July 31, 1990 | 1% over the limit |
| Priority Pollutants | 5 | 7 | 0 | ||
| Zinc, total recoverable | 6 | 0 | 0 | ||
| Chromium, total recoverable | 6 | 0 | 0 | ||
| Chlorine, free available | 6 | 0 | 0 | ||
| Heat [summer] [per day] | 3 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Vanadium, total recoverable | 2 | 0 | 0 | ||
| Ammonia nitrogen, total, [as N] 30 day | 1 | 0 | 0 | ||
| Nitrate nitrogen, dry weight | 1 | 0 | 0 | ||
| Cobalt, dissolved [as Co] | 1 | 0 | 0 | ||
| Aluminum, total recoverable | 1 | 0 | 0 | ||
| Manganese, total recoverable | 1 | 0 | 0 | ||
| Spectrus CT 1300 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MA0003654.
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, MA0003654.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MA0003654 there.
Nearby on the register
- Discharge permits in Somerset
- Every permit record in Somerset, A to Z
- Discharge permits in Massachusetts
- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.