Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES MAR1005FH

WEST PARISH FILTERS, Westfield, MA: NPDES MAR1005FH discharge permit, effluent exceedances, inspections, penalties

WEST PARISH FILTERS, held by Walsh Construction, holds NPDES permit MAR1005FH. EPA’s file records it issued October 28, 2024 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 WEST PARISH FILTERS: its NPDES ID, its permit type and status, its dates, its address in Westfield, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005FH.

Identity

Facility as filedWEST PARISH FILTERS
Permittee as filedWalsh Construction
NPDES IDMAR1005FH
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 28, 2024
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressWestfield, MA 01085
SubwatershedLittle River (HUC 010802060303)

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 MAR1005FH.

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 MAR1005FH.

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, MAR1005FH.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 MAR1005FH there.

Nearby on the register

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

What this page shows

The storm water construction permit issued to Walsh Construction for WEST PARISH FILTERS in Westfield, Massachusetts, is one of 16 such permits on EPA's NPDES register in Hampden County, this one included. Of those 16 storm water construction permits in Hampden County, 62.5% carry an earlier issue date than this one, and 0.0% have a violation on file. The permit sits within the Little River subwatershed, which holds 19 NPDES permits including this one, and it records no pollutants under a numeric limit and no effluent exceedances.