Clean Water Act discharge permit · NPDES MAG912016

ROUTE 126 REDEVELOPMENT, Ashland, MA: NPDES MAG912016 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
19Pollutants under a numeric limit
4Pollutants with an effluent exceedance

ROUTE 126 REDEVELOPMENT, held by Northern Construction Services, LLC, holds NPDES permit MAG912016. 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	ROUTE 126 REDEVELOPMENT
Permittee as filed	Northern Construction Services, LLC
NPDES ID	MAG912016
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	Ashland, MA 01721
Subwatershed	Lake Cochituate-Sudbury River (HUC 010700050103)

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

Effluent limits and exceedances

19Pollutants on file
19Under a numeric limit
19With a violation of any kind
4With 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	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Chloride, total recoverable	2	24	2	October 31, 2023	52% over the limit
Lead, total recoverable	2	24	2	November 30, 2023	14% over the limit
Copper, total recoverable	2	24	2	October 31, 2023	118% over the limit
Iron, total recoverable	2	23	1	October 31, 2023	250% over the limit
pH	2	22	0
Nitrogen, total [as N]	2	22	0
Cyanide, total [as CN]	2	22	0
Aluminum, total recoverable	2	22	0
Cadmium, total recoverable	2	22	0
Chromium, trivalent total recoverable	2	22	0
Methyl tert-butyl ether [MTBE]	2	22	0
Vinyl chloride	2	22	0
cis-1,2-Dichloroethylene	2	22	0
Turbidity	1	11	0
Solids, total suspended	1	11	0
Arsenic, total recoverable	1	11	0
Flow, in conduit or thru treatment plant	1	11	0
Solids, total dissolved [TDS]	1	11	0
Hydrocarbons, total petroleum	1	11	0

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 MAG912016.

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

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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 MAG912016 there.

Nearby on the register

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

This public-records page covers NPDES permit MAG912016, held by Northern Construction Services, LLC for the ROUTE 126 REDEVELOPMENT site in Ashland, MA, with a status of Effective and a Minor discharger class. The file lists 19 pollutants on file, all under a numeric limit, with 4 pollutants showing an effluent exceedance and 19 pollutants carrying a violation of any kind.