Clean Water Act discharge permit · NPDES MAR1004RY

GREENLEAF PARK, Springfield, MA: NPDES MAR1004RY discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

GREENLEAF PARK, held by MASS-WEST Construction, Inc., holds NPDES permit MAR1004RY. EPA’s file records it issued August 24, 2023 and expiring February 16, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for GREENLEAF PARK: its NPDES ID, its permit type and status, its dates, its address in Springfield, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1004RY.

Identity

Facility as filed	GREENLEAF PARK
Permittee as filed	MASS-WEST Construction, Inc.
NPDES ID	MAR1004RY
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	August 24, 2023
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	Springfield, MA 01129
Subwatershed	Chicopee Brook (HUC 010802040306)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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 MAR1004RY.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR1004RY.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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, MAR1004RY.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MAR1004RY there.

Nearby on the register

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

The GREENLEAF PARK storm water construction permit (NPDES ID MAR1004RY) is one of 36 such permits on EPA's NPDES register in Springfield, Massachusetts, and it is one of 7 NPDES permits in the Chicopee Brook subwatershed. Among the 35 storm water construction permits in Springfield, 42.9% were issued before this one, and the 36 Springfield storm water construction permits show a 0.0% share with a violation on file.