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Clean Water Act discharge permit · NPDES MDR000025

L3 TECHNOLOGIES, INC HANOVER SITE, Hanover, MD: NPDES MDR000025 discharge permit, effluent exceedances, inspections, penalties

L3 TECHNOLOGIES, INC HANOVER SITE, held by Colene Keefer, holds NPDES permit MDR000025. EPA’s file records it issued October 5, 2025 and expiring January 31, 2028. 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 L3 TECHNOLOGIES, INC HANOVER SITE: its NPDES ID, its permit type and status, its dates, its address in Hanover, Maryland. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDR000025.

Identity

Facility as filedL3 TECHNOLOGIES, INC HANOVER SITE
Permittee as filedColene Keefer
NPDES IDMDR000025
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 5, 2025
Expiration dateJanuary 31, 2028
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressHanover, MD 21076
Receiving water impaired303(D) Listed
SubwatershedDeep Run-Patapsco River (HUC 020600031102)

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 MDR000025.

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 MDR000025.

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 MDR000025 there.

Nearby on the register

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

What this page shows

The L3 TECHNOLOGIES, INC HANOVER SITE is one of 3 general permit coverages in Hanover on EPA's NPDES register, this one included. It also sits among 31 NPDES permits in the Deep Run-Patapsco River subwatershed, this one included. The permit lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.