Clean Water Act discharge permit · NPDES MA0031551
CLEAN HARBORS OF BRAINTREE INC, Braintree, MA: NPDES MA0031551 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 32Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
CLEAN HARBORS OF BRAINTREE INC, held by CLEAN HARBORS OF BRAINTREE,INC, holds NPDES permit MA0031551, which discharges to Weymouth Fore River. EPA’s file records it issued May 9, 2011 and expiring May 31, 2016. 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 | CLEAN HARBORS OF BRAINTREE INC |
|---|---|
| Permittee as filed | CLEAN HARBORS OF BRAINTREE,INC |
| NPDES ID | MA0031551 |
| 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 |
| Program | Industrial stormwater |
| Issued | May 9, 2011 |
| Expiration date | May 31, 2016 |
| Address | Braintree, MA 02184 |
| Receiving water | WEYMOUTH FORE RIVER |
| Subwatershed | Monatiquot River-Frontal Quincy Bay (HUC 010900010901) |
| SIC | 4226 – Special Warehousing And Storage |
| Other EPA IDs (FRS) | RCRA handler MAD053452637; ICIS-AIR source MA0000002511900564 |
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
- 33Pollutants on file
- 32Under a numeric limit
- 30With a violation of any kind
- 9With 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 | 80 | 65 | October 31, 2025 | |
| Solids, total suspended | 2 | 31 | 16 | September 30, 2020 | 453% over the limit |
| Lead, total [as Pb] | 2 | 20 | 16 | February 29, 2016 | 6,020% over the limit |
| Polychlorinated biphenyls [PCBs] | 1 | 13 | 12 | June 30, 2026 | 3,233% over the limit |
| Oil & Grease | 1 | 14 | 9 | April 30, 2001 | 180% over the limit |
| LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 1 | 6 | 3 | August 31, 2023 | 100% over the limit |
| LC50 Static 48Hr Acute Menidia | 1 | 5 | 3 | August 31, 2023 | 99% over the limit |
| Zinc, total [as Zn] | 1 | 6 | 2 | December 31, 2025 | 407% over the limit |
| Copper, total [as Cu] | 1 | 3 | 2 | December 31, 2023 | 61% over the limit |
| Flow, total | 1 | 6 | 0 | ||
| Noael Statre 7Day Chronic Mysid. Bahia | 1 | 6 | 0 | ||
| Noael Statre 7Day Chronic Menidia | 1 | 5 | 0 | ||
| Flow rate | 2 | 4 | 0 | ||
| Salinity | 1 | 4 | 0 | ||
| Aluminum, total [as Al] | 1 | 4 | 0 | ||
| Selenium, total [as Se] | 1 | 4 | 0 | ||
| Mercury, total [as Hg] | 1 | 4 | 0 | ||
| Chemical Oxygen Demand [COD] | 1 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 4 | 0 | ||
| Solids, total | 1 | 2 | 0 | ||
| Carbon, tot organic [TOC] | 1 | 2 | 0 | ||
| Cyanide, total [as CN] | 1 | 2 | 0 | ||
| Magnesium, total [as Mg] | 1 | 2 | 0 | ||
| Arsenic, total [as As] | 1 | 2 | 0 | ||
| Nickel, total [as Ni] | 1 | 2 | 0 | ||
| Silver, total [as Ag] | 1 | 2 | 0 | ||
| Oxidants, total residual | 1 | 2 | 0 | ||
| Ammonia & ammonium- total | 1 | 2 | 0 | ||
| Cadmium, total [as Cd] | 1 | 1 | 0 | ||
| Chromium, total [as Cr] | 1 | 1 | 0 | ||
| Benzene | 1 | 0 | 0 | ||
| BTEX | 1 | 0 | 0 | ||
| Total Group I Polycyclic Aromatic Hydrocarbons | 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 MA0031551.
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
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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 MA0031551 there.
Nearby on the register
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- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.