Clean Water Act discharge permit · NPDES MAR1004CD

FLEX WAREHOUSE, Canton, MA: NPDES MAR1004CD discharge permit, effluent exceedances, inspections, penalties

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

FLEX WAREHOUSE, held by John Flatley Company, holds NPDES permit MAR1004CD. EPA’s file records it issued November 11, 2022 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 FLEX WAREHOUSE: its NPDES ID, its permit type and status, its dates, its address in Canton, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1004CD.

Identity

Facility as filed	FLEX WAREHOUSE
Permittee as filed	John Flatley Company
NPDES ID	MAR1004CD
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	November 11, 2022
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	Canton, MA 02021
Subwatershed	East Branch Neponset River (HUC 010900010802)

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 MAR1004CD.

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 MAR1004CD.

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, MAR1004CD.

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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 MAR1004CD there.

Nearby on the register

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

This public-records page covers FLEX WAREHOUSE in Canton, MA, held by John Flatley Company under NPDES permit MAR1004CD, a construction stormwater permit issued by U.S. EPA on November 11, 2022 with an expiration date of February 16, 2027 and an effective status as of September 15, 2026. The page lists a minor discharger class, 0 pollutants under a numeric limit, 0 pollutants with an effluent exceedance, and no violation on file in EPA's effluent or single-event violation files, in the East Branch Neponset River subwatershed (HUC 010900010802).