Clean Water Act discharge permit · NPDES MAR1004T5

SHARON PUBLIC LIBRARY, Sharon, MA: NPDES MAR1004T5 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

SHARON PUBLIC LIBRARY, held by M. O’Connor Contracting, Inc., holds NPDES permit MAR1004T5. EPA’s file records it issued September 13, 2023 and expiring February 16, 2027.

SHARON PUBLIC LIBRARY, Sharon, Massachusetts: Coverage under a general permit MAR1004T5, held by M. O’Connor Contracting, Inc.; Construction stormwater; Effective; issued September 13, 2023, term to February 16, 2027, by U.S. EPA.

Massachusetts holds 3,320 Construction stormwater coverages of this permit type in EPA’s file; 1,454 were issued before MAR1004T5. M. O’Connor Contracting, Inc. holds 4 permits in Massachusetts.

Other permits held by M. O’Connor Contracting, Inc.

NORTON TOWN HALL, Norton: MAR1004OJ, issued June 19, 2023
EMERY GROVER RENOVATIONS, Needham: MAR100538, issued March 15, 2024
DOVER COMMUNITY CENTER, Dover: MAR10053E, issued March 18, 2024

Coverages issued nearest MAR1004T5

September 11, 2023: LITTLETON WATER RESOURCE RECOVERY FACILITY, Littleton, MAR1004SZ, held by Methuen Construction, Inc.
September 12, 2023: HILLSIDE SCHOOL - LOWER CAMPUS, Marlborough, MAR1004T1, held by Hillside School
September 12, 2023: HILLSIDE SCHOOL - LOWER CAMPUS, Marlborough, MAR1004T2, held by Elite Construction and Design, Inc.
September 12, 2023: EVERSOURCE STATION 385 SECURITY FENCE, Boston, MAR1004T3, held by McCourt Construction Company, Inc
September 13, 2023: DORCHESTER HEIGHTS HARDSCAPE & MONUMENT RESTORATION (BOST 227374 & 254798), Boston, MAR1004T4, held by Louis C. Allegrone, Inc
September 14, 2023: BELMONT SKATING & SPORTS FACILITY, Belmont, MAR1004T7, held by Skanska USA Building, Inc.
September 14, 2023: MEETINGHOUSE POND AREA COLLECTION SYSTEM AND PUMPING STATION, Orleans, MAR1004T8, held by C.C. Construction, Inc
September 19, 2023: ELIZABETH BROOK APARTMENTS, Stow, MAR1004T9, held by Jason Fenton
September 19, 2023: WORCESTER ACADEMY LOT B, Worcester, MAR1004TA, held by Stanmar-Inc.
September 19, 2023: MARTHA'S VINEYARD RELIABILITY PROJECT, Falmouth, MAR1004TC, held by NSTAR Electric d/b/a Eversource Energy

SHARON PUBLIC LIBRARY among its neighbors

EPA’s permit file holds 47 discharge permits in the East Branch Neponset River subwatershed (HUC 010900010802), MAR1004T5 among them.

Other permits in the East Branch Neponset River subwatershed (HUC 010900010802)

100 NEW BOSTON DRIVE, CANTON, MA, Canton: MANOEJ0DF, minor permit, permit term to July 31, 2029
20 HOLLY WAY, Canton: MAR10058U, minor permit, permit term to February 16, 2027
30 COPPERSMITH, Canton: MAR1005FM, minor permit, permit term to February 16, 2027
30 DAN ROAD, Canton: MAR10047D, minor permit, permit term to February 16, 2027
399 NEPONSET, Canton: MAR1005TS, minor permit, permit term to February 16, 2027
5-9 MADISON AVE, Stoughton: MAR100528, minor permit, permit term to February 16, 2027
50 JOHN ROAD, Canton: MAR1004Y4, minor permit, permit term to February 16, 2027
530 TURNPIKE ST, CANTON, MA, Canton: MANOEJ0DE, minor permit, permit term to July 31, 2029
90 CEDAR STREET, CANTON, MA CARPORT PROJECT, Canton: MAR10068I, minor permit, permit term to February 16, 2027
980 TURNPIKE STREET SITE DEVELOPMENT, Canton: MAR1003WS, minor permit, permit term to February 16, 2027

What the register holds for SHARON PUBLIC LIBRARY: its NPDES ID, its permit type and status, its dates, its address in Sharon, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1004T5.

Identity

Facility as filed	SHARON PUBLIC LIBRARY
Permittee as filed	M. O’Connor Contracting, Inc.
NPDES ID	MAR1004T5
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	September 13, 2023
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	Sharon, MA 02067
Receiving water impaired	303(D) Listed
Subwatershed	East Branch Neponset River (HUC 010900010802)

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 MAR1004T5.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR1004T5.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR1004T5.

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 MAR1004T5.

Watch this permit

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Nearby on the register

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

The Sharon Public Library storm water construction permit (NPDES ID MAR1004T5), held by M. O'Connor Contracting, Inc., is one of 11 storm water construction permits on the register in Sharon, and among those 11, 36.4% were issued earlier than this one. The permit falls within the East Branch Neponset River subwatershed, which contains 47 NPDES permits, this one included. Among the 11 Sharon storm water construction permits, 0.0% have a violation on file.