Clean Water Act discharge permit · NPDES MAG912064
FORMER HIGH VOLTAGE ENGINEERING CORP. / BELLOFRAM, Burlington, MA: NPDES MAG912064 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 47Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
FORMER HIGH VOLTAGE ENGINEERING CORP. / BELLOFRAM, held by Tetra Tech Inc., holds NPDES permit MAG912064. EPA’s file records it issued August 2, 2022 and expiring August 1, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | FORMER HIGH VOLTAGE ENGINEERING CORP. / BELLOFRAM |
|---|---|
| Permittee as filed | Tetra Tech Inc. |
| NPDES ID | MAG912064 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 2, 2022 |
| Expiration date | August 1, 2027 |
| Issuing agency | EPA Region 1 |
| Address | Burlington, MA 01803 |
| Subwatershed | Upper Shawsheen River (HUC 010700061301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 47Pollutants on file
- 47Under a numeric limit
- 47With 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 |
|---|---|---|---|---|---|
| Chloride, total recoverable | 5 | 48 | 30 | July 31, 2026 | 275% over the limit |
| Solids, total dissolved [TDS] | 3 | 25 | 13 | July 31, 2026 | 396% over the limit |
| Cyanide, total [as CN] | 5 | 20 | 2 | June 30, 2024 | 92% over the limit |
| Solids, total suspended | 3 | 13 | 1 | April 30, 2025 | 3,733% over the limit |
| Mercury, total recoverable | 3 | 11 | 1 | November 30, 2025 | 85,827% over the limit |
| pH | 6 | 24 | 0 | ||
| Iron, total recoverable | 5 | 18 | 0 | ||
| Lead, total recoverable | 5 | 18 | 0 | ||
| Copper, total recoverable | 5 | 18 | 0 | ||
| Turbidity | 3 | 12 | 0 | ||
| Nitrogen, total [as N] | 3 | 12 | 0 | ||
| Arsenic, total recoverable | 3 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 3 | 12 | 0 | ||
| Hydrocarbons, total petroleum | 3 | 12 | 0 | ||
| Carbon tetrachloride | 3 | 11 | 0 | ||
| 1,2-Dichloroethane | 3 | 11 | 0 | ||
| Benzene | 3 | 11 | 0 | ||
| Methylene chloride | 3 | 11 | 0 | ||
| 1,1-Dichloroethane | 3 | 11 | 0 | ||
| 1,1-Dichloroethylene | 3 | 11 | 0 | ||
| 1,1,1-Trichloroethane | 3 | 11 | 0 | ||
| 1,1,2-Trichloroethane | 3 | 11 | 0 | ||
| 1,2-Dichlorobenzene | 3 | 11 | 0 | ||
| 1,3-Dichlorobenzene | 3 | 11 | 0 | ||
| 1,4-Dichlorobenzene | 3 | 11 | 0 | ||
| Vinyl chloride | 3 | 11 | 0 | ||
| Trichloroethylene | 3 | 11 | 0 | ||
| BTEX | 3 | 11 | 0 | ||
| cis-1,2-Dichloroethylene | 3 | 11 | 0 | ||
| Acetone | 3 | 11 | 0 | ||
| Selenium, total recoverable | 3 | 10 | 0 | ||
| Nickel, total recoverable | 3 | 10 | 0 | ||
| Silver total recoverable | 3 | 10 | 0 | ||
| Zinc, total recoverable | 3 | 10 | 0 | ||
| Cadmium, total recoverable | 3 | 10 | 0 | ||
| Antimony, total recoverable | 3 | 10 | 0 | ||
| Chromium, trivalent total recoverable | 3 | 10 | 0 | ||
| Phenol | 3 | 10 | 0 | ||
| Chromium, hexavalent tot recoverable | 3 | 10 | 0 | ||
| 1,4-Dioxane | 3 | 10 | 0 | ||
| Perfluorooctanoic acid (PFOA) | 2 | 6 | 0 | ||
| Perfluoroheptanoic acid (PFHpA) | 2 | 6 | 0 | ||
| Perfluorononanoic acid (PFNA) | 2 | 6 | 0 | ||
| Perfluorohexanesulfonic acid (PFHxS) | 2 | 6 | 0 | ||
| Perfluorooctanesulfonic acid (PFOS) | 2 | 6 | 0 | ||
| Perfluorododecanoic acid (PFDoA) | 2 | 5 | 0 | ||
| Perfluorodecanoic acid (PFDA) | 1 | 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 MAG912064.
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.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.