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Clean Water Act discharge permit · NPDES MAR10063N

C132397 RIFENBURG CONTRACTING: EGREMONT, MA - RECONSTRUCTION OF MT WASHINGTON RD, Egremont, MA: NPDES MAR10063N discharge permit, effluent exceedances, inspections, penalties

C132397 RIFENBURG CONTRACTING: EGREMONT, MA - RECONSTRUCTION OF MT WASHINGTON RD, held by Rifenburg Contracting Corp., holds NPDES permit MAR10063N. EPA’s file records it issued December 25, 2025 and expiring February 16, 2027.

C132397 RIFENBURG CONTRACTING: EGREMONT, MA - RECONSTRUCTION OF MT WASHINGTON RD, Egremont, Massachusetts: Coverage under a general permit MAR10063N, held by Rifenburg Contracting Corp.; Construction stormwater; Effective; issued December 25, 2025, term to February 16, 2027, by U.S. EPA.

Massachusetts holds 3,320 Construction stormwater coverages of this permit type in EPA’s file; 2,795 were issued before MAR10063N. Rifenburg Contracting Corp. holds 5 permits in Massachusetts.

Other permits held by Rifenburg Contracting Corp.

Coverages issued nearest MAR10063N

C132397 RIFENBURG CONTRACTING: EGREMONT, MA - RECONSTRUCTION OF MT WASHINGTON RD among its neighbors

EPA’s permit file holds 5 discharge permits in the Hubbard Brook subwatershed (HUC 011000050203), MAR10063N among them.

Other permits in the Hubbard Brook subwatershed (HUC 011000050203)

What the register holds for C132397 RIFENBURG CONTRACTING: EGREMONT, MA - RECONSTRUCTION OF MT WASHINGTON RD: its NPDES ID, its permit type and status, its dates, its address in Egremont, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR10063N.

Identity

Facility as filedC132397 RIFENBURG CONTRACTING: EGREMONT, MA - RECONSTRUCTION OF MT WASHINGTON RD
Permittee as filedRifenburg Contracting Corp.
NPDES IDMAR10063N
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedDecember 25, 2025
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressEgremont, MA 01230
SubwatershedHubbard Brook (HUC 011000050203)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR10063N.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR10063N.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR10063N.

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 MAR10063N.

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Nearby on the register

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

What this page shows

The C132397 RIFENBURG CONTRACTING: EGREMONT, MA - RECONSTRUCTION OF MT WASHINGTON RD permit is one of 2 storm water construction permits on the register in Egremont, this one included. It also counts as one of 4 NPDES permits in the Hubbard Brook subwatershed (HUC 011000050203), this one included. The permit has no pollutants under a numeric limit and no effluent exceedances recorded.