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Clean Water Act discharge permit · NPDES MAR10055S

CHARLES RIVER RESERVATION, RIVERWALK PARK, Waltham, MA: NPDES MAR10055S discharge permit, effluent exceedances, inspections, penalties

CHARLES RIVER RESERVATION, RIVERWALK PARK, held by Tasco Construction, Inc., holds NPDES permit MAR10055S. EPA’s file records it issued April 17, 2024 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 CHARLES RIVER RESERVATION, RIVERWALK PARK: 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 MAR10055S.

Identity

Facility as filedCHARLES RIVER RESERVATION, RIVERWALK PARK
Permittee as filedTasco Construction, Inc.
NPDES IDMAR10055S
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 17, 2024
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressWaltham, MA 02453
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 MAR10055S.

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 MAR10055S.

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, MAR10055S.

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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 MAR10055S there.

Nearby on the register

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

What this page shows

0.0% of Waltham's 16 storm water construction permits on EPA's NPDES register have a violation on file. CHARLES RIVER RESERVATION, RIVERWALK PARK is in the Beaver Brook-Charles River subwatershed, which holds 100 NPDES permits.