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Clean Water Act discharge permit · NPDES MAR100655

MONSON NG FACILITY AND STORAGE YARD, Monson, MA: NPDES MAR100655 discharge permit, effluent exceedances, inspections, penalties

MONSON NG FACILITY AND STORAGE YARD, held by Massachusetts Electric Company, holds NPDES permit MAR100655. EPA’s file records it issued January 21, 2026 and expiring February 16, 2027.

MONSON NG FACILITY AND STORAGE YARD, Monson, Massachusetts: Coverage under a general permit MAR100655, held by Massachusetts Electric Company; Construction stormwater; Effective; issued January 21, 2026, term to February 16, 2027, by U.S. EPA.

Massachusetts holds 3,320 Construction stormwater coverages of this permit type in EPA’s file; 2,831 were issued before MAR100655. Massachusetts Electric Company holds 8 permits in Massachusetts.

Other permits held by Massachusetts Electric Company

Coverages issued nearest MAR100655

MONSON NG FACILITY AND STORAGE YARD among its neighbors

EPA’s permit file holds 7 discharge permits in the Chicopee Brook subwatershed (HUC 010802040306), MAR100655 among them.

Other permits in the Chicopee Brook subwatershed (HUC 010802040306)

What the register holds for MONSON NG FACILITY AND STORAGE YARD: its NPDES ID, its permit type and status, its dates, its address in Monson, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR100655.

Identity

Facility as filedMONSON NG FACILITY AND STORAGE YARD
Permittee as filedMassachusetts Electric Company
NPDES IDMAR100655
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJanuary 21, 2026
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressMonson, MA 01057
Receiving water impaired303(D) Listed
SubwatershedChicopee Brook (HUC 010802040306)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR100655.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR100655.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR100655.

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 MAR100655.

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, MAR100655.

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Nearby on the register

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

What this page shows

["MONSON NG FACILITY AND STORAGE YARD is among 3 storm water construction permits on EPA's NPDES register in Monson, including this permit.", 'The Chicopee Brook subwatershed holds 7 NPDES permits, including this permit.']