Clean Water Act discharge permit · NPDES MAR1005OA

TOLL BROTHERS AT THE PINEHILLS, Plymouth, MA: NPDES MAR1005OA 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

TOLL BROTHERS AT THE PINEHILLS, held by Toll Bros., Inc., holds NPDES permit MAR1005OA. EPA’s file records it issued April 7, 2025 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 TOLL BROTHERS AT THE PINEHILLS: its NPDES ID, its permit type and status, its dates, its address in Plymouth, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005OA.

Identity

Facility as filed	TOLL BROTHERS AT THE PINEHILLS
Permittee as filed	Toll Bros., Inc.
NPDES ID	MAR1005OA
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	April 7, 2025
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	Plymouth, MA 02360
Subwatershed	Great Herring Pond-Frontal Cape Cod Bay (HUC 010900020107)

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 MAR1005OA.

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 MAR1005OA.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR1005OA.

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 MAR1005OA.

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, MAR1005OA.

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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 MAR1005OA there.

Nearby on the register

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

The Toll Brothers at the Pinehills storm water construction coverage, issued April 7, 2025 in Plymouth, Massachusetts, is one of 24 such permits in the town on EPA's NPDES register, and it sits among 9 NPDES permits in the Great Herring Pond-Frontal Cape Cod Bay subwatershed. Of the 24 storm water construction permits in Plymouth, 0.0% have a violation on file, and this permit records no pollutants under a numeric limit and no effluent exceedances.