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Clean Water Act discharge permit · NPDES MAR1005OK

C128993 JL CONSTRUCTION CORP: NORTHAMPTON, MA - ROCKY HILL GREENWAY MU TRAIL, Northampton, MA: NPDES MAR1005OK discharge permit, effluent exceedances, inspections, penalties

C128993 JL CONSTRUCTION CORP: NORTHAMPTON, MA - ROCKY HILL GREENWAY MU TRAIL, held by JL Construction Corp., holds NPDES permit MAR1005OK. EPA’s file records it issued April 11, 2025 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 C128993 JL CONSTRUCTION CORP: NORTHAMPTON, MA - ROCKY HILL GREENWAY MU TRAIL: its NPDES ID, its permit type and status, its dates, its address in Northampton, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005OK.

Identity

Facility as filedC128993 JL CONSTRUCTION CORP: NORTHAMPTON, MA - ROCKY HILL GREENWAY MU TRAIL
Permittee as filedJL Construction Corp.
NPDES IDMAR1005OK
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 11, 2025
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressNorthampton, MA 01060
SubwatershedMill River (HUC 010802010606)

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 MAR1005OK.

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 MAR1005OK.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR1005OK.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MAR1005OK.

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, MAR1005OK.

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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 MAR1005OK there.

C128993 JL CONSTRUCTION CORP: NORTHAMPTON, MA - ROCKY HILL GREENWAY MU TRAIL, Northampton, Massachusetts: Coverage under a general permit MAR1005OK, held by JL Construction Corp.; Construction stormwater; Effective; issued April 11, 2025, term to February 16, 2027, by U.S. EPA.

Massachusetts holds 3,320 Construction stormwater coverages of this permit type in EPA’s file; 2,349 were issued before MAR1005OK.

Coverages issued nearest MAR1005OK

C128993 JL CONSTRUCTION CORP: NORTHAMPTON, MA - ROCKY HILL GREENWAY MU TRAIL among its neighbors

EPA’s permit file holds 25 discharge permits in the Mill River subwatershed (HUC 010802010606), MAR1005OK among them.

Other permits in the Mill River subwatershed (HUC 010802010606)

Nearby on the register

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

What this page shows

The permit filed as C128993 JL CONSTRUCTION CORP: NORTHAMPTON, MA - ROCKY HILL GREENWAY MU TRAIL is one of 21 storm water construction permits in Northampton, and it is one of 25 NPDES permits in the Mill River subwatershed. Of those 21 Northampton storm water construction permits, 76.2% were issued earlier than this one, and 0.0% of them carry a violation on file.