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Clean Water Act discharge permit · NPDES MAR10032Z

BUILDING & SITE IMPROVEMENTS - 4 MAGUIRE ROAD, Lexington, MA: NPDES MAR10032Z discharge permit, effluent exceedances, inspections, penalties

BUILDING & SITE IMPROVEMENTS - 4 MAGUIRE ROAD, held by The Richmond Group, holds NPDES permit MAR10032Z. EPA’s file records it issued February 2, 2021 and expiring February 15, 2022.

BUILDING & SITE IMPROVEMENTS - 4 MAGUIRE ROAD, Lexington, Massachusetts: Coverage under a general permit MAR10032Z, held by The Richmond Group; Construction stormwater; Administratively continued (past its expiration date and still in force until reissued); issued February 2, 2021, term to February 15, 2022, by U.S. EPA.

Massachusetts holds 3,320 Construction stormwater coverages of this permit type in EPA’s file; 277 were issued before MAR10032Z.

Coverages issued nearest MAR10032Z

BUILDING & SITE IMPROVEMENTS - 4 MAGUIRE ROAD among its neighbors

EPA’s permit file holds 88 discharge permits in the Upper Shawsheen River subwatershed (HUC 010700061301), MAR10032Z among them.

Other permits in the Upper Shawsheen River subwatershed (HUC 010700061301)

What the register holds for BUILDING & SITE IMPROVEMENTS - 4 MAGUIRE ROAD: its NPDES ID, its permit type and status, its dates, its address in Lexington, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR10032Z.

Identity

Facility as filedBUILDING & SITE IMPROVEMENTS - 4 MAGUIRE ROAD
Permittee as filedThe Richmond Group
NPDES IDMAR10032Z
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedFebruary 2, 2021
Expiration dateFebruary 15, 2022
Issuing agencyU.S. EPA
AddressLexington, MA 02421
SubwatershedUpper Shawsheen River (HUC 010700061301)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR10032Z.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR10032Z.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR10032Z.

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 MAR10032Z.

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, MAR10032Z.

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Nearby on the register

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

What this page shows

Lexington's 22 storm water construction permits include 0.0% with a violation on file. The Upper Shawsheen River subwatershed holds 88 NPDES permits, and 4.5% of the 22 Lexington permits were issued before BUILDING & SITE IMPROVEMENTS - 4 MAGUIRE ROAD.