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Clean Water Act discharge permit · NPDES MDG679774

HOWARD STREET TUNNEL, Baltimore, MD: NPDES MDG679774 discharge permit, effluent exceedances, inspections, penalties

HOWARD STREET TUNNEL, held by SKANSKA FAY JOINT VENTURE HOWARD STREET TUNNEL, holds NPDES permit MDG679774, which discharges to Baltimore Harbor. EPA’s file records it issued April 26, 2024 and expiring July 31, 2025. 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.

What the register holds for HOWARD STREET TUNNEL: its NPDES ID, its permit type and status, its dates, its address in Baltimore, Maryland, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDG679774.

Identity

Facility as filedHOWARD STREET TUNNEL
Permittee as filedSKANSKA FAY JOINT VENTURE HOWARD STREET TUNNEL
NPDES IDMDG679774
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 26, 2024
Expiration dateJuly 31, 2025
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMET
AddressBaltimore, MD 21201
Receiving waterBALTIMORE HARBOR

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MDG679774.

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 MDG679774.

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

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, MDG679774.

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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 MDG679774 there.

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 MDG679774 for HOWARD STREET TUNNEL in Baltimore, Maryland, held by SKANSKA FAY JOINT VENTURE HOWARD STREET TUNNEL, which discharges to Baltimore Harbor. The register lists the permit as administratively continued, classed as a Minor Discharger, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.