Clean Water Act discharge permit · NPDES MAG912153
MIT LINCOLN LABORATORY CSL-MIF, Lexington, MA: NPDES MAG912153 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 19Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
MIT LINCOLN LABORATORY CSL-MIF, held by Gilbane-Exyte Joint Venture, holds NPDES permit MAG912153. 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 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MIT LINCOLN LABORATORY CSL-MIF |
|---|---|
| Permittee as filed | Gilbane-Exyte Joint Venture |
| NPDES ID | MAG912153 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | August 2, 2022 |
| Expiration date | August 1, 2027 |
| Issuing agency | EPA Region 1 |
| Address | Lexington, MA 02421 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Upper Shawsheen River (HUC 010700061301) |
| Other EPA IDs (FRS) | RCRA handler MAD001424985; ICIS-AIR source MA0000002511900723 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 19Pollutants on file
- 19Under a numeric limit
- 10With a violation of any kind
- 10With 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 recoverable | 2 | 9 | 9 | May 31, 2025 | 2,200% over the limit |
| Chloride, total recoverable | 2 | 7 | 7 | May 31, 2025 | 303% over the limit |
| Benzo[k]fluoranthene | 2 | 5 | 5 | April 30, 2025 | 515% over the limit |
| Benzo[a]pyrene | 2 | 5 | 5 | April 30, 2025 | 8,362% over the limit |
| Benzo[a]anthracene | 2 | 5 | 5 | April 30, 2025 | 5,285% over the limit |
| Chlordane | 2 | 5 | 5 | April 30, 2025 | 381,150% over the limit |
| Cyanide, total [as CN] | 2 | 4 | 4 | April 30, 2025 | 2,977% over the limit |
| Solids, total suspended | 1 | 2 | 2 | May 31, 2025 | 60% over the limit |
| pH | 2 | 1 | 1 | May 31, 2025 | |
| 4,4'-DDT | 2 | 1 | 1 | April 30, 2025 | 71% over the limit |
| Chrysene | 2 | 0 | 0 | ||
| Turbidity | 1 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Arsenic, total recoverable | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Copper, total recoverable | 1 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 0 | 0 | ||
| Solids, total dissolved [TDS] | 1 | 0 | 0 | ||
| Hydrocarbons, total petroleum | 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 MAG912153.
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, MAG912153.
Start the watch
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- 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 MAG912153 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 September 15, 2026.