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Clean Water Act discharge permit · NPDES MAR05B504

MBTA CHARLESTOWN FACILITY, Boston (Charlestown), MA: NPDES MAR05B504 discharge permit, effluent exceedances, inspections, penalties

MBTA CHARLESTOWN FACILITY holds NPDES permit MAR05B504. EPA’s file records it issued October 30, 2000 and expiring October 29, 2005. 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.

What the register holds for MBTA CHARLESTOWN FACILITY: its NPDES ID, its permit type and status, its dates, its address in Boston (Charlestown), Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR05B504.

Identity

Facility as filedMBTA CHARLESTOWN FACILITY
Permittee as filedMBTA CHARLESTOWN FACILITY
NPDES IDMAR05B504
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 30, 2000
Expiration dateOctober 29, 2005
AddressBoston (Charlestown), MA
Receiving water impaired303(D) Listed
SubwatershedMystic River-Frontal Boston Harbor (HUC 010900010502)
Other EPA IDs (FRS)RCRA handler MAD138070164; ICIS-AIR source MA0000002511901392

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR05B504.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR05B504.

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, MAR05B504.

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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 MAR05B504 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The MBTA CHARLESTOWN FACILITY is one of 27 general permit coverages on EPA's NPDES register in Suffolk County, and it sits among 157 NPDES permits in the Mystic River-Frontal Boston Harbor subwatershed, this one included. It records zero pollutants under a numeric limit and zero pollutants with an effluent exceedance.