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Clean Water Act discharge permit · NPDES MAR1004WF

52 NEW STREET, Cambridge, MA: NPDES MAR1004WF discharge permit, effluent exceedances, inspections, penalties

52 NEW STREET, held by Callahan Construction Managers, holds NPDES permit MAR1004WF. EPA’s file records it issued November 14, 2023 and expiring February 16, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for 52 NEW STREET: 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 MAR1004WF.

Identity

Facility as filed52 NEW STREET
Permittee as filedCallahan Construction Managers
NPDES IDMAR1004WF
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedNovember 14, 2023
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressCambridge, MA 02138
Receiving water impaired303(D) Listed
SubwatershedMystic River-Frontal Boston Harbor (HUC 010900010502)

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 MAR1004WF.

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 MAR1004WF.

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, MAR1004WF.

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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 MAR1004WF there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

The 52 NEW STREET storm water construction permit in Cambridge, Massachusetts, is one of 42 such permits in the city, and 0.0% of those 42 carry a violation on file. Among the 41 storm water construction permits in Cambridge, 51.2% were issued earlier than this one, which was issued November 14, 2023.