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Clean Water Act discharge permit · NPDES MAR10064L

MEMORIAL DRIVE GREENWAY IMPROVEMENTS - PHASE III, Cambridge, MA: NPDES MAR10064L discharge permit, effluent exceedances, inspections, penalties

MEMORIAL DRIVE GREENWAY IMPROVEMENTS - PHASE III, held by The McCourt Construction Company, Inc., holds NPDES permit MAR10064L. EPA’s file records it issued January 6, 2026 and expiring February 16, 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.

What the register holds for MEMORIAL DRIVE GREENWAY IMPROVEMENTS - PHASE III: its NPDES ID, its permit type and status, its dates, its address in Cambridge, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR10064L.

Identity

Facility as filedMEMORIAL DRIVE GREENWAY IMPROVEMENTS - PHASE III
Permittee as filedThe McCourt Construction Company, Inc.
NPDES IDMAR10064L
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJanuary 6, 2026
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressCambridge, MA 02139
Receiving water impaired303(D) Listed
SubwatershedCharles River-Frontal Boston Harbor (HUC 010900010704)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR10064L.

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 MAR10064L.

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 MAR10064L there.

Nearby on the register

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

What this page shows

The MEMORIAL DRIVE GREENWAY IMPROVEMENTS - PHASE III permit is one of 42 storm water construction permits in Cambridge, Massachusetts, and sits among 384 NPDES permits in the Charles River-Frontal Boston Harbor subwatershed. Of the 41 storm water construction permits in Cambridge, 87.8% were issued earlier than this one, and none of the permits in that Cambridge group has a violation on file, at 0.0%.