Clean Water Act discharge permit · NPDES MAG912251

LOGAN AIRPORT TERMINAL E PARKING GARAGE, Boston, MA: NPDES MAG912251 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
14Pollutants under a numeric limit
0Pollutants with an effluent exceedance

LOGAN AIRPORT TERMINAL E PARKING GARAGE, held by W.L. French Excavating Corporation, holds NPDES permit MAG912251. EPA’s file records it issued August 2, 2022 and expiring August 1, 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.

Identity

Facility as filed	LOGAN AIRPORT TERMINAL E PARKING GARAGE
Permittee as filed	W.L. French Excavating Corporation
NPDES ID	MAG912251
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 2, 2022
Expiration date	August 1, 2027
Issuing agency	EPA Region 1
Address	Boston, MA 02128
Subwatershed	Outlet Saugus River-Frontal Broad Sound (HUC 010900010402)
Other EPA IDs (FRS)	RCRA handler MAR000614412

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

14Pollutants on file
14Under a numeric limit
14With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind
pH	2	20
Cyanide, total [as CN]	2	20
Arsenic, total recoverable	2	20
Aluminum, total recoverable	2	20
Lead, total recoverable	2	20
Copper, total recoverable	2	20
Turbidity	1	10
Solids, total suspended	1	10
Nitrogen, total [as N]	1	10
Chloride, total recoverable	1	10
Iron, total recoverable	1	10
Flow, in conduit or thru treatment plant	1	10
Solids, total dissolved [TDS]	1	10
Hydrocarbons, total petroleum	1	10

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MAG912251.

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 MAG912251.

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.

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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 MAG912251 there.

Nearby on the register

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

This public-records page covers NPDES permit MAG912251 for LOGAN AIRPORT TERMINAL E PARKING GARAGE in Boston, MA, held by W.L. French Excavating Corporation, with a status of Effective and a Minor discharger class. The facts list 14 pollutants on file, 14 under a numeric limit, and 0 with an effluent exceedance.