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Clean Water Act discharge permit · NPDES MDR001709

WMATA BRANCH AVE RAIL YARD, Suitland, MD: NPDES MDR001709 discharge permit, effluent exceedances, inspections, penalties

WMATA BRANCH AVE RAIL YARD, held by WASHINGTON METROPOLITAN AREA TRANSIT AUTHORITY, holds NPDES permit MDR001709, which discharges to Upper Tidal Potomac River. EPA’s file records it issued September 12, 2023 and expiring January 31, 2028. 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 WMATA BRANCH AVE RAIL YARD: its NPDES ID, its permit type and status, its dates, its address in Suitland, Maryland, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDR001709.

Identity

Facility as filedWMATA BRANCH AVE RAIL YARD
Permittee as filedWASHINGTON METROPOLITAN AREA TRANSIT AUTHORITY
NPDES IDMDR001709
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 12, 2023
Expiration dateJanuary 31, 2028
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressSuitland, MD 20746
Receiving waterUPPER TIDAL POTOMAC RIVER
SubwatershedHenson Creek (HUC 020700100303)

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 MDR001709.

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 MDR001709.

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, MDR001709.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 MDR001709 there.

Nearby on the register

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