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Clean Water Act discharge permit · NPDES MAR1005WT

WACHUSETT MOUNTAIN, Princeton, MA: NPDES MAR1005WT discharge permit, effluent exceedances, inspections, penalties

WACHUSETT MOUNTAIN, held by Wachusett Mountain Associates, holds NPDES permit MAR1005WT. EPA’s file records it issued August 27, 2025 and expiring February 16, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for WACHUSETT MOUNTAIN: its NPDES ID, its permit type and status, its dates, its address in Princeton, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005WT.

Identity

Facility as filedWACHUSETT MOUNTAIN
Permittee as filedWachusett Mountain Associates
NPDES IDMAR1005WT
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 27, 2025
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressPrinceton, MA 01541
Receiving water impaired303(D) Listed
SubwatershedWhitman River (HUC 010700040101)
Other EPA IDs (FRS)RCRA handler MAD051115004

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR1005WT.

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 MAR1005WT.

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, MAR1005WT.

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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 MAR1005WT there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

WACHUSETT MOUNTAIN sits among 38 storm water construction permits in Worcester County, and 0.0% of those have a violation on file. The Whitman River subwatershed holds 27 NPDES permits, including this one, and 82.9% of the 35 Worcester County permits in that total were issued before this one.