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Clean Water Act discharge permit · NPDES MAL100218

AMHERST W W T P, Hadley, MA: NPDES MAL100218 discharge permit, effluent exceedances, inspections, penalties

AMHERST W W T P holds NPDES permit MAL100218. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025. 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 AMHERST W W T P: its NPDES ID, its permit type and status, its dates, its address in Hadley, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAL100218.

Identity

Facility as filedAMHERST W W T P
Permittee as filedAMHERST W W T P
NPDES IDMAL100218
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeAssociated permit record
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramBiosolids
IssuedJanuary 1, 2021
Expiration dateDecember 31, 2025
AddressHadley, MA 01002
Receiving water impaired303(D) Listed
SubwatershedDoolittle Brook-Mill River (HUC 010802010603)

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 MAL100218.

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 MAL100218.

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.

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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 MAL100218 there.

Nearby on the register

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

What this page shows

The AMHERST W W T P permit, a biosolids permit issued in Hadley, Hampshire County, Massachusetts, is one of 6 biosolids permits in Hampshire County on EPA's NPDES register, and it sits within a subwatershed that holds 18 NPDES permits, this one included. Among those 6 county biosolids permits, 0.0% have a violation on file, and the permit records no pollutants under a numeric limit or with an effluent exceedance.