Clean Water Act discharge permit · NPDES MAR1005RG

LOTS 1 & 2 - HARWOOD AVE, Littleton, MA: NPDES MAR1005RG discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

LOTS 1 & 2 - HARWOOD AVE, held by DECA Corporation, holds NPDES permit MAR1005RG. EPA’s file records it issued May 28, 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 LOTS 1 & 2 - HARWOOD AVE: its NPDES ID, its permit type and status, its dates, its address in Littleton, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005RG.

Identity

Facility as filed	LOTS 1 & 2 - HARWOOD AVE
Permittee as filed	DECA Corporation
NPDES ID	MAR1005RG
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	May 28, 2025
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	Littleton, MA 01460
Subwatershed	Fuller Brook-Charles River (HUC 010900010701)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR1005RG.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR1005RG.

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, MAR1005RG.

Start the watch

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 MAR1005RG there.

Nearby on the register

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

The LOTS 1 & 2 - HARWOOD AVE storm water construction permit, held by DECA Corporation in Littleton, Massachusetts, is one of 14 such permits in the town, and it sits among 28 NPDES permits in the Fuller Brook-Charles River subwatershed, this one included. Of all 14 Littleton storm water construction permits, 71.4% were issued earlier than this one, and 0.0% of them have a violation on file, with no pollutants under a numeric limit or effluent exceedance recorded for this permit.