Clean Water Act discharge permit · NPDES MAR1005PY

CABOT YARD NORTH IMPROVEMENTS, Boston, MA: NPDES MAR1005PY 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

CABOT YARD NORTH IMPROVEMENTS, held by RCC-SPS A Joint Venture, holds NPDES permit MAR1005PY. EPA’s file records it issued May 1, 2025 and expiring February 16, 2027.

CABOT YARD NORTH IMPROVEMENTS, Boston, Massachusetts: Coverage under a general permit MAR1005PY, held by RCC-SPS A Joint Venture; Construction stormwater; Effective; issued May 1, 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; 2,395 were issued before MAR1005PY.

Coverages issued nearest MAR1005PY

April 28, 2025: SQUANTUM ELEMENTARY SCHOOL, Quincy, MAR1005PS, held by Lee Kennedy Company, INC.
April 30, 2025: MAY STREET PARK IMPROVEMENTS, Webster, MAR1005PU, held by Caracas Construction Corp.
April 30, 2025: NATIONAL GRID LINE E131 ASSET CONDITION REFURBISHMENT PROJECT, Adams, MAR1005PV, held by National Grid
April 30, 2025: J&J CONTRACTORS: NEW BEDFORD, MA - ELEMENTARY SCHOOL PROJECT, New Bedford, MAR1005PW, held by J&J Contractors
May 1, 2025: IRIS COURT, Wilmington, MAR1005PX, held by Mass Equity Investors
May 1, 2025: PIONEER VALLEY TRANSIT AUTHORITY - COTTAGE STREET ELECTRIFICATION PHASE 02, Springfield, MAR1005PZ, held by Fontaine Bros, Inc.
May 1, 2025: LAWRENCE MUNICIPAL AIRPORT, North Andover, MAR1005QP, held by Helfrich Bros. Boiler Works, Inc.
May 2, 2025: THE RESIDENCES AT HAWTHORN PRESERVE PROJECT, Braintree, MAR1005Q0, held by Hawthorn Preserve LLC
May 5, 2025: PROPOSED COMMERCIAL DEVELOPMENT, Westfield, MAR1005Q1, held by Rene Gauthier
May 6, 2025: MASSACHUSETTS CENTRAL RAIL TRAIL: SUDBURY TO HUDSON, Hudson, MAR1005Q2, held by Massachusetts Department of Conservation and Recreation

CABOT YARD NORTH IMPROVEMENTS among its neighbors

EPA’s permit file holds 384 discharge permits in the Charles River-Frontal Boston Harbor subwatershed (HUC 010900010704), MAR1005PY among them. Its county holds 162, 3 of them major permits; MAR1005PY is a minor permit.

Other permits in the Charles River-Frontal Boston Harbor subwatershed (HUC 010900010704)

100 NORTHERN AVENUE, Boston: MAG912127, minor permit, permit term to August 1, 2027
101 HAMPDEN STREET, Boston: MAR1003TB, minor permit, permit term to February 16, 2027
104 MAIN STREET, Watertown: MAG912191, minor permit, permit term to August 1, 2027
104 MAIN STREET, Watertown: MAR1005BZ, minor permit, permit term to February 16, 2027
121 - 139 FIRST STREET, Cambridge: MAG070443, minor permit, discharging to CHARLES RIVER, permit term to May 19, 2020
127 AMORY ST REDEVELOPMENT PROJECT, Boston: MAR1005O4, minor permit, permit term to February 16, 2027
127 AMORY STREET, Boston: MAR1005RC, minor permit, permit term to February 16, 2027
1270 COMMONWEALTH AVE, Allston: MAR1005P0, minor permit, permit term to February 16, 2027
136 SHAWMUT AVENUE, Boston: MAG070409, minor permit, discharging to FORT POINT CHANNEL, permit term to May 19, 2020
14 WEST BROADWAY, Boston: MAG070411, minor permit, discharging to fFORT POINT CHANNEL, permit term to May 19, 2020

What the register holds for CABOT YARD NORTH IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Boston, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005PY.

Identity

Facility as filed	CABOT YARD NORTH IMPROVEMENTS
Permittee as filed	RCC-SPS A Joint Venture
NPDES ID	MAR1005PY
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	May 1, 2025
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	Boston, MA 02127
Receiving water impaired	303(D) Listed
Subwatershed	Charles River-Frontal Boston Harbor (HUC 010900010704)
Other EPA IDs (FRS)	RCRA handler MAD981205636; ICIS-AIR source MA0000002511901404

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 MAR1005PY.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR1005PY.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR1005PY.

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 MAR1005PY.

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, MAR1005PY.

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Nearby on the register

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

Violations are on file for 0.0% of the 21 storm water construction permits in Suffolk County, and CABOT YARD NORTH IMPROVEMENTS is among them. Of all 21 storm water construction permits in Suffolk County, 66.7% were issued before this permit. The Charles River-Frontal Boston Harbor subwatershed holds 384 NPDES permits, including this permit.