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Clean Water Act discharge permit · NPDES MDR003930

INTRALOX, LLC, Sparrows Point, MD: NPDES MDR003930 discharge permit, effluent exceedances, inspections, penalties

INTRALOX, LLC holds NPDES permit MDR003930. EPA’s file records it issued August 7, 2025 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 INTRALOX, LLC: its NPDES ID, its permit type and status, its dates, its address in Sparrows Point, Maryland. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDR003930.

Identity

Facility as filedINTRALOX, LLC
Permittee as filedINTRALOX, LLC
NPDES IDMDR003930
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 7, 2025
Expiration dateJanuary 31, 2028
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressSparrows Point, MD 21219
Receiving water impaired303(D) Listed
SubwatershedStoney Creek-Patapsco River-Chesapeake Bay (HUC 020600031204)
Other EPA IDs (FRS)RCRA handler MDR000528149

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MDR003930.

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 MDR003930.

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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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 MDR003930 there.

Nearby on the register

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

What this page shows

The INTRALOX, LLC general permit coverage (NPDES ID MDR003930) in Sparrows Point, Baltimore County, Maryland, is one of 180 general permit coverages in the county, and 92.2% of those 180 were issued earlier than this one. It sits among 26 NPDES permits in the Stoney Creek-Patapsco River-Chesapeake Bay subwatershed, this one included, and the permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance.