Clean Water Act discharge permit · NPDES MAR1006D7

SHEFFIELD HIGHWAY GARAGE, Sheffield, MA: NPDES MAR1006D7 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

SHEFFIELD HIGHWAY GARAGE, held by Wm. J. Keller & Sons Construction Corp., holds NPDES permit MAR1006D7. EPA’s file records it issued June 9, 2026 and expiring February 16, 2027.

SHEFFIELD HIGHWAY GARAGE, Sheffield, Massachusetts: Coverage under a general permit MAR1006D7, held by Wm. J. Keller & Sons Construction Corp.; Construction stormwater; Effective; issued June 9, 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; 3,114 were issued before MAR1006D7. Wm. J. Keller & Sons Construction Corp. holds 3 permits in Massachusetts.

Other permits held by Wm. J. Keller & Sons Construction Corp.

RICHMOND LIBRARY & TOWN OFFICES, Richmond: MAR10043V, issued June 30, 2022
CONGREGATION OF MARIAN FATHERS OF THE IMMACULATE CONCEPTION OF THE B.V.M., INC, Stockbridge: MAR1006D5, issued June 5, 2026

Coverages issued nearest MAR1006D7

June 5, 2026: STORMWATER DRAINAGE REPAIRS-PVCICS, Hadley, MAR1006D2, held by Supreme Earthworx, Inc.
June 5, 2026: NORTH ATTLEBOROUGH HIGH SCHOOL, North Attleborough, MAR1006D3, held by Consigli
June 5, 2026: STUART BOGS WETLAND RESTORATION, Rochester, MAR1006D4, held by SumCo Eco-Contracting, LLC
June 5, 2026: CONGREGATION OF MARIAN FATHERS OF THE IMMACULATE CONCEPTION OF THE B.V.M., INC, Stockbridge, MAR1006D5, held by Wm. J. Keller & Sons Construction Corp.
June 9, 2026: 150 TIHONET ROAD, Wareham, MAR1006D6, held by North American Renewables, Inc.
June 9, 2026: TYLER FAVREAU, Sterling, MAR1006DB, held by Tyler S Favreau
June 10, 2026: SAPPHIRE CIRCLE SUBDIVISION, Canton, MAR10061J, held by Zeus Construction LLC
June 11, 2026: 6 LAKESHORE CENTER, Bridgewater, MAR1006CN, held by Opechee Construction Corporation
June 15, 2026: CENTRAL STREET CORRIDOR WATER AND SEWER REHABILITATION AND REPLACEMENT, Framingham, MAR1006CC, held by P. Gioioso & Sons, Inc.
June 15, 2026: LONGMEADOW MIDDLE SCHOOL, Longmeadow, MAR1006D0, held by Fontaine Bros

SHEFFIELD HIGHWAY GARAGE among its neighbors

EPA’s permit file holds 8 discharge permits in the Ironwork Brook-Housatonic River subwatershed (HUC 011000050204), MAR1006D7 among them.

Other permits in the Ironwork Brook-Housatonic River subwatershed (HUC 011000050204)

C112228 BALTAZAR: GREAT BARRINGTON, MA - MAIN STREET AT MAPLE AVENUE, Great Barrington: MAR100314, minor permit, permit term to February 15, 2022
FAIRVIEW HOSPITAL, Great Barrington: MAR1006A8, minor permit, permit term to February 16, 2027
GREAT BARRINGTON W W T F, Great Barrington: MAL101524, minor permit, permit term to December 31, 2025
GREAT BARRINGTON W W T F, TOWN OF, Great Barrington: MA0101524, major permit, discharging to HOUSATONIC RIVER, permit term to May 31, 2012
GREAT BARRINGTON W W T F, TOWN OF, Great Barrington: MAG590025, minor permit, discharging to HOUSATONIC RIVER, permit term to October 31, 2027
GREAT BARRINGTON-ROUNDABOUT ROUTE 7@23&41 (607756), Great Barrington: MAR10031E, minor permit, permit term to February 15, 2022
WINDRUSH HOUSING, Great Barrington: MAR1003QN, minor permit, permit term to February 15, 2022

What the register holds for SHEFFIELD HIGHWAY GARAGE: its NPDES ID, its permit type and status, its dates, its address in Sheffield, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1006D7.

Identity

Facility as filed	SHEFFIELD HIGHWAY GARAGE
Permittee as filed	Wm. J. Keller & Sons Construction Corp.
NPDES ID	MAR1006D7
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	June 9, 2026
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	Sheffield, MA 01257
Subwatershed	Ironwork Brook-Housatonic River (HUC 011000050204)

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 MAR1006D7.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR1006D7.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR1006D7.

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 MAR1006D7.

Watch this permit

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Nearby on the register

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

The SHEFFIELD HIGHWAY GARAGE permit is one of 1 storm water construction permit on the NPDES register in Sheffield, which makes it the only one of its kind in that city, this one included. It is also one of 8 NPDES permits within the Ironwork Brook-Housatonic River subwatershed (HUC 011000050204), counting this one. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance.