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Clean Water Act discharge permit · NPDES MAR1005EM

CAUSEWAY STREET EXTENSION CULVERT REPLACEMENT, Marlborough, MA: NPDES MAR1005EM discharge permit, effluent exceedances, inspections, penalties

CAUSEWAY STREET EXTENSION CULVERT REPLACEMENT, held by J.H. Lynch & Sons, Inc., holds NPDES permit MAR1005EM. EPA’s file records it issued October 9, 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 CAUSEWAY STREET EXTENSION CULVERT REPLACEMENT: its NPDES ID, its permit type and status, its dates, its address in Marlborough, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005EM.

Identity

Facility as filedCAUSEWAY STREET EXTENSION CULVERT REPLACEMENT
Permittee as filedJ.H. Lynch & Sons, Inc.
NPDES IDMAR1005EM
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 9, 2024
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressMarlborough, MA 01752
SubwatershedNorth Brook-Assabet River (HUC 010700050202)

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 MAR1005EM.

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 MAR1005EM.

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, MAR1005EM.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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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 MAR1005EM there.

Nearby on the register

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

What this page shows

Violations on file apply to 0.0% of the 26 storm water construction permits in Marlborough, and CAUSEWAY STREET EXTENSION CULVERT REPLACEMENT is part of that group. The North Brook-Assabet River subwatershed has 35 NPDES permits, and 80.8% of Marlborough's 26 storm water construction permits were issued before this permit.