Clean Water Act discharge permit · NPDES MAG912257
GREATER CAMBRIDGE ENERGY PROGRAM - ROUTE B2A, Cambridge, MA: NPDES MAG912257 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 28Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
GREATER CAMBRIDGE ENERGY PROGRAM - ROUTE B2A, held by United Civil, Inc., holds NPDES permit MAG912257. 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 | GREATER CAMBRIDGE ENERGY PROGRAM - ROUTE B2A |
|---|---|
| Permittee as filed | United Civil, Inc. |
| NPDES ID | MAG912257 |
| 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 | Cambridge, MA 02139 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Charles River-Frontal Boston Harbor (HUC 010900010704) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 28Pollutants on file
- 28Under a numeric limit
- 28With a violation of any kind
- 12With 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 | 8 | 14 | 6 | February 28, 2026 | 361% over the limit |
| Lead, total recoverable | 8 | 11 | 3 | February 28, 2026 | 113% over the limit |
| Solids, total suspended | 4 | 7 | 3 | February 28, 2026 | 993% over the limit |
| Benzo[a]anthracene | 4 | 6 | 2 | January 31, 2026 | 6,438% over the limit |
| pH | 8 | 9 | 1 | December 31, 2025 | |
| Turbidity | 4 | 5 | 1 | December 31, 2025 | |
| Iron, total recoverable | 4 | 5 | 1 | December 31, 2025 | 340% over the limit |
| Benzo[b]fluoranthene | 4 | 5 | 1 | December 31, 2025 | 9,900% over the limit |
| Benzo[a]pyrene | 4 | 5 | 1 | December 31, 2025 | 92,208% over the limit |
| Total Group I Polycyclic Aromatic Hydrocarbons | 4 | 5 | 1 | December 31, 2025 | 157% over the limit |
| Benzo[k]fluoranthene | 2 | 3 | 1 | December 31, 2025 | 285% over the limit |
| Indeno[1,2,3-cd]pyrene | 2 | 3 | 1 | December 31, 2025 | 5,669% over the limit |
| Nitrogen, total [as N] | 8 | 8 | 0 | ||
| Cyanide, total [as CN] | 8 | 8 | 0 | ||
| Arsenic, total recoverable | 8 | 8 | 0 | ||
| Nickel, total recoverable | 8 | 8 | 0 | ||
| Aluminum, total recoverable | 8 | 8 | 0 | ||
| Copper, total recoverable | 8 | 8 | 0 | ||
| Antimony, total [as Sb] | 4 | 4 | 0 | ||
| Chrysene | 4 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 | ||
| Solids, total dissolved [TDS] | 4 | 4 | 0 | ||
| Hydrocarbons, total petroleum | 4 | 4 | 0 | ||
| Silver total recoverable | 2 | 2 | 0 | ||
| Zinc, total recoverable | 2 | 2 | 0 | ||
| Fluoranthene | 2 | 2 | 0 | ||
| Pyrene | 2 | 2 | 0 | ||
| Total Group II Polycyclic Aromatic Hydrocarbons | 2 | 2 | 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 MAG912257.
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, MAG912257.
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 MAG912257 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.