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Clean Water Act discharge permit · NPDES MAR10034P

PROPOSED SINGLE FAMILY HOUSE DEVELOPMENT, Marlborough, MA: NPDES MAR10034P discharge permit, effluent exceedances, inspections, penalties

PROPOSED SINGLE FAMILY HOUSE DEVELOPMENT, held by Dimensions 3D, LLC, holds NPDES permit MAR10034P. EPA’s file records it issued March 4, 2021 and expiring February 15, 2022. 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 PROPOSED SINGLE FAMILY HOUSE DEVELOPMENT: its NPDES ID, its permit type and status, its dates, its address in Marlborough, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR10034P.

Identity

Facility as filedPROPOSED SINGLE FAMILY HOUSE DEVELOPMENT
Permittee as filedDimensions 3D, LLC
NPDES IDMAR10034P
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
IssuedMarch 4, 2021
Expiration dateFebruary 15, 2022
Issuing agencyU.S. EPA
AddressMarlborough, MA 01752
SubwatershedSudbury Reservoir-Sudbury River (HUC 010700050102)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR10034P.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR10034P.

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, MAR10034P.

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How we handle your data → Privacy

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 MAR10034P there.

Nearby on the register

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

What this page shows

Violations are on file for 0.0% of the 26 storm water construction permits in Marlborough, and PROPOSED SINGLE FAMILY HOUSE DEVELOPMENT is among them. The Sudbury Reservoir-Sudbury River subwatershed holds 52 NPDES permits, and 3.8% of the Marlborough permits were issued before this development's.