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Clean Water Act discharge permit · NPDES MAR10046O

WAYSIDE TRAIL, Waltham, MA: NPDES MAR10046O discharge permit, effluent exceedances, inspections, penalties

WAYSIDE TRAIL, held by City of Waltham, holds NPDES permit MAR10046O. EPA’s file records it issued August 17, 2022 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 WAYSIDE TRAIL: its NPDES ID, its permit type and status, its dates, its address in Waltham, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR10046O.

Identity

Facility as filedWAYSIDE TRAIL
Permittee as filedCity of Waltham
NPDES IDMAR10046O
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 17, 2022
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressWaltham, MA 02451
Receiving water impaired303(D) Listed
SubwatershedBeaver Brook-Charles River (HUC 010900010703)

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 MAR10046O.

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 MAR10046O.

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

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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 MAR10046O there.

Nearby on the register

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

What this page shows

Of the 16 storm water construction permits in Waltham, 0.0% have a violation on file. WAYSIDE TRAIL is among 16 storm water construction permits that EPA's NPDES register lists for Waltham, and 31.3% of all 16, including this permit, were issued before this permit.