Clean Water Act discharge permit · NPDES MAR1005QP

LAWRENCE MUNICIPAL AIRPORT, North Andover, MA: NPDES MAR1005QP discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

LAWRENCE MUNICIPAL AIRPORT, held by Helfrich Bros. Boiler Works, Inc., holds NPDES permit MAR1005QP. EPA’s file records it issued May 1, 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 LAWRENCE MUNICIPAL AIRPORT: its NPDES ID, its permit type and status, its dates, its address in North Andover, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005QP.

Identity

Facility as filed	LAWRENCE MUNICIPAL AIRPORT
Permittee as filed	Helfrich Bros. Boiler Works, Inc.
NPDES ID	MAR1005QP
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 1, 2025
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	North Andover, MA 01845
Subwatershed	Creek Brook-Merrimack River (HUC 010700061402)

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 MAR1005QP.

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 MAR1005QP.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR1005QP.

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 MAR1005QP.

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, MAR1005QP.

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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 MAR1005QP there.

Nearby on the register

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

The LAWRENCE MUNICIPAL AIRPORT storm water construction permit, held by Helfrich Bros. Boiler Works, Inc., is one of 23 such permits on EPA's NPDES register in Essex County, and 0.0% of those 23 permits have a violation on file. Among the 79 NPDES permits in the Creek Brook-Merrimack River subwatershed, this one is counted alongside its neighbors in that drainage area. Of all 22 storm water construction permits in Essex County (this one included), 45.5% carry an earlier issue date than this permit's May 1, 2025 issuance.