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Clean Water Act discharge permit · NPDES MAR100618

MERRIMACK VALLEY OPERATION AND MAINTENANCE FACILITY, North Andover, MA: NPDES MAR100618 discharge permit, effluent exceedances, inspections, penalties

MERRIMACK VALLEY OPERATION AND MAINTENANCE FACILITY, held by Massachusetts Electric Company, holds NPDES permit MAR100618. EPA’s file records it issued November 5, 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 MERRIMACK VALLEY OPERATION AND MAINTENANCE FACILITY: its NPDES ID, its permit type and status, its dates, its address in North Andover, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR100618.

Identity

Facility as filedMERRIMACK VALLEY OPERATION AND MAINTENANCE FACILITY
Permittee as filedMassachusetts Electric Company
NPDES IDMAR100618
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedNovember 5, 2025
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressNorth Andover, MA 01845
SubwatershedMiddle Ipswich River (HUC 010900010202)
Other EPA IDs (FRS)RCRA handler MAD030833966

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 MAR100618.

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 MAR100618.

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, MAR100618.

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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 MAR100618 there.

Nearby on the register

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

What this page shows

The MERRIMACK VALLEY OPERATION AND MAINTENANCE FACILITY storm water construction permit in North Andover is one of 23 such permits on EPA's NPDES register in Essex County, and 0.0% of those 23 carry a violation on file. Its Middle Ipswich River subwatershed group includes 27 NPDES permits, this one among them, and 54.5% of the 22 storm water construction permits in Essex County were issued earlier than this one.