Velarion Records

Clean Water Act discharge permit · NPDES MAPIU00CG

MASSACHUSETTS WATER RESOURCES AUTHORITY, Marlborough, MA: NPDES MAPIU00CG discharge permit, effluent exceedances, inspections, penalties

MASSACHUSETTS WATER RESOURCES AUTHORITY, held by Massachusetts Water Resources Authority, holds NPDES permit MAPIU00CG. EPA’s file records it issued June 27, 2022 and expiring June 6, 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 MASSACHUSETTS WATER RESOURCES AUTHORITY: 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 MAPIU00CG.

Identity

Facility as filedMASSACHUSETTS WATER RESOURCES AUTHORITY
Permittee as filedMassachusetts Water Resources Authority
NPDES IDMAPIU00CG
Permit statusEffective
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 27, 2022
Expiration dateJune 6, 2027
Issuing agencyMarlborough Westerly W W T F
AddressMarlborough, MA 01752

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 MAPIU00CG.

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 MAPIU00CG.

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, MAPIU00CG.

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  • One state — $4,990/year
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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 MAPIU00CG there.

Nearby on the register

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

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