Clean Water Act discharge permit · NPDES MAR041074

BELMONT MUNICIPAL SEPARATE STORM SEWER SYSTEM, Belmont, MA: NPDES MAR041074 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

BELMONT MUNICIPAL SEPARATE STORM SEWER SYSTEM holds NPDES permit MAR041074. EPA’s file records it issued May 1, 2003 and expiring April 30, 2008. 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 BELMONT MUNICIPAL SEPARATE STORM SEWER SYSTEM: its NPDES ID, its permit type and status, its dates, its address in Belmont, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR041074.

Identity

Facility as filed	BELMONT MUNICIPAL SEPARATE STORM SEWER SYSTEM
Permittee as filed	BELMONT MUNICIPAL SEPARATE STORM SEWER SYSTEM
NPDES ID	MAR041074
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	May 1, 2003
Expiration date	April 30, 2008
Address	Belmont, MA 02478
Receiving water impaired	303(D) Listed
Subwatershed	Mystic River-Frontal Boston Harbor (HUC 010900010502)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR041074.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR041074.

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, MAR041074.

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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 MAR041074 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES MAR041074 for the BELMONT MUNICIPAL SEPARATE STORM SEWER SYSTEM in Belmont, MA, which is administratively continued and was issued May 1, 2003 with an expiration date of April 30, 2008. The page lists 0 pollutants under a numeric limit, 0 pollutants with an effluent exceedance, and a Minor Discharger class of 0.