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Clean Water Act discharge permit · NPDES MAR1005AV

DANEHY PARK FIELD 4 FIELD AND TRACK IMPROVEMENTS, Cambridge, MA: NPDES MAR1005AV discharge permit, effluent exceedances, inspections, penalties

DANEHY PARK FIELD 4 FIELD AND TRACK IMPROVEMENTS, held by Todd Heimlich, holds NPDES permit MAR1005AV. EPA’s file records it issued July 19, 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 DANEHY PARK FIELD 4 FIELD AND TRACK IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Cambridge, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005AV.

Identity

Facility as filedDANEHY PARK FIELD 4 FIELD AND TRACK IMPROVEMENTS
Permittee as filedTodd Heimlich
NPDES IDMAR1005AV
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 19, 2024
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressCambridge, MA 02138
Receiving water impaired303(D) Listed
SubwatershedMystic River-Frontal Boston Harbor (HUC 010900010502)

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 MAR1005AV.

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 MAR1005AV.

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, MAR1005AV.

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  • One permit holder — $99/month
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  • One state — $4,990/year
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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 MAR1005AV there.

Nearby on the register

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

What this page shows

0.0% of the 42 storm water construction permits in Cambridge have a recorded violation, and DANEHY PARK FIELD 4 FIELD AND TRACK IMPROVEMENTS is held by Todd Heimlich. Counting this permit, 56.1% of the 41 Cambridge storm water construction permits were issued before it, and the Mystic River-Frontal Boston Harbor subwatershed holds 157 NPDES permits.