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Clean Water Act discharge permit · NPDES MAG912287

PARCEL E - 75 FIRST STREET, Cambridge, MA: NPDES MAG912287 discharge permit, effluent exceedances, inspections, penalties

PARCEL E - 75 FIRST STREET, held by Nauset Construction Company, holds NPDES permit MAG912287. 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 (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedPARCEL E - 75 FIRST STREET
Permittee as filedNauset Construction Company
NPDES IDMAG912287
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 2, 2022
Expiration dateAugust 1, 2027
Issuing agencyEPA Region 1
AddressCambridge, MA 02141
Receiving water impaired303(D) Listed
SubwatershedCharles River-Frontal Boston Harbor (HUC 010900010704)
NAICS562910 – Remediation Services
SIC4959 – Sanitary Services

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH240
Cyanide, total [as CN]240
Chloride, total recoverable240
Arsenic, total recoverable240
Iron, total recoverable240
Nickel, total recoverable240
Zinc, total recoverable240
Lead, total recoverable240
Copper, total recoverable240
Polychlorinated biphenyls [PCBs]240
Chromium, hexavalent tot recoverable240
Turbidity120
Solids, total suspended120
Nitrogen, total [as N]120
Silver total recoverable120
Antimony, total [as Sb]120
Chloroform120
Acenaphthene120
Anthracene120
Benzo[k]fluoranthene120
Benzo[a]pyrene120
Butyl benzyl phthalate120
Chrysene120
Fluoranthene120
Fluorene120
Indeno[1,2,3-cd]pyrene120
Pyrene120
Benzo[a]anthracene120
Dibenz[a,h]anthracene120
Naphthalene120
Flow, in conduit or thru treatment plant120
Solids, total dissolved [TDS]120
Mercury, total recoverable120
Hydrocarbons, total petroleum120

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MAG912287.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAG912287.

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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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit MAG912287, held by Nauset Construction Company for PARCEL E - 75 FIRST STREET in Cambridge, MA, with a status of Effective, an issue date of August 2, 2022, and an expiration date of August 1, 2027. The page lists 34 pollutants on file, 34 of them under a numeric limit, and 0 pollutants with an effluent exceedance, within the Charles River-Frontal Boston Harbor (HUC 010900010704) subwatershed.