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Clean Water Act discharge permit · NPDES MAG912258

GREATER CAMBRIDGE ENERGY PROGRAM - ROUTE B29F, Cambridge, MA: NPDES MAG912258 discharge permit, effluent exceedances, inspections, penalties

GREATER CAMBRIDGE ENERGY PROGRAM - ROUTE B29F, held by United Civil, Inc., holds NPDES permit MAG912258. 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 filedGREATER CAMBRIDGE ENERGY PROGRAM - ROUTE B29F
Permittee as filedUnited Civil, Inc.
NPDES IDMAG912258
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 02142
Receiving water impaired303(D) Listed
SubwatershedCharles River-Frontal Boston Harbor (HUC 010900010704)

Cited to the EPA ICIS-NPDES permit file (ECHO 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
pH1080
Nitrogen, total [as N]1080
Cyanide, total [as CN]1080
Chloride, total recoverable1080
Arsenic, total recoverable1080
Zinc, total recoverable1080
Lead, total recoverable1080
Copper, total recoverable1080
Chromium, trivalent total recoverable1080
Nickel, total recoverable860
Aluminum, total recoverable860
Acenaphthene640
Total Group II Polycyclic Aromatic Hydrocarbons640
Turbidity540
Solids, total suspended540
Iron, total recoverable540
Flow, in conduit or thru treatment plant540
Solids, total dissolved [TDS]540
Hydrocarbons, total petroleum540
Silver total recoverable440
Benzo[a]pyrene420
Fluorene420
Benzo[a]anthracene420
Total Group I Polycyclic Aromatic Hydrocarbons420
1,3-Dichlorobenzene220
1,4-Dichlorobenzene220
Naphthalene220
Anthracene200
Benzo[b]fluoranthene200
Benzo[k]fluoranthene200
Chrysene200
Fluoranthene200
Indeno[1,2,3-cd]pyrene200
Pyrene200

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MAG912258.

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 MAG912258.

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 MAG912258 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit MAG912258 for GREATER CAMBRIDGE ENERGY PROGRAM - ROUTE B29F, held by United Civil, Inc., which is listed as Effective, a Minor discharger, and not a publicly owned treatment works. The page lists 34 pollutants on file, 27 of them under a numeric limit, and 0 with an effluent exceedance, with the subwatershed given as Charles River-Frontal Boston Harbor (HUC 010900010704).