Clean Water Act discharge permit · NPDES MAR1004CG

CAMBRIDGE CROSSING STABILIZED OPEN LOTS, Cambridge, MA: NPDES MAR1004CG discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

CAMBRIDGE CROSSING STABILIZED OPEN LOTS, held by McCourt Construction Company, holds NPDES permit MAR1004CG. EPA’s file records it issued November 15, 2022 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 CAMBRIDGE CROSSING STABILIZED OPEN LOTS: 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 MAR1004CG.

Identity

Facility as filed	CAMBRIDGE CROSSING STABILIZED OPEN LOTS
Permittee as filed	McCourt Construction Company
NPDES ID	MAR1004CG
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	November 15, 2022
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	Cambridge, MA 02141
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

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR1004CG.

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 MAR1004CG.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR1004CG.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MAR1004CG.

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, MAR1004CG.

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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 MAR1004CG there.

Nearby on the register

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

The CAMBRIDGE CROSSING STABILIZED OPEN LOTS permit, filed to McCourt Construction Company under the Storm Water Construction program, is one of 42 storm water construction permits on EPA's NPDES register in Cambridge, Massachusetts. Among the 41 such Cambridge permits, 39.0% carry an earlier issue date than this one, and the permit has no pollutants under a numeric limit or effluent exceedances on file, unlike the 0.0% of Cambridge storm water construction permits with a violation recorded.