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Clean Water Act discharge permit · NPDES PA0113751

TRW VALVE DIVISION, Danville, PA: NPDES PA0113751 discharge permit, effluent exceedances, inspections, penalties

TRW VALVE DIVISION, held by NORTHROP GRUMMAN SPACE AND MISSION SYS, holds NPDES permit PA0113751, which discharges to Susquehanna River. EPA’s file records it issued June 8, 2005 and expiring June 30, 2010. 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 TRW VALVE DIVISION: its NPDES ID, its permit type and status, its dates, its address in Danville, Pennsylvania, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES PA0113751.

Identity

Facility as filedTRW VALVE DIVISION
Permittee as filedNORTHROP GRUMMAN SPACE AND MISSION SYS
NPDES IDPA0113751
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 8, 2005
Expiration dateJune 30, 2010
AddressDanville, PA 17821
Receiving waterSUSQUEHANNA RIVER
Receiving water impaired303(D) Listed
SubwatershedLogan Run (HUC 020501071003)
NAICS336310 – Motor Vehicle Gasoline Engine and Engine Parts Manufacturing
SIC3592 – Carburetors, Pistons, Rings, Valves
Other EPA IDs (FRS)RCRA handler PAD003037934

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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 PA0113751.

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 PA0113751.

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, PA0113751.

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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 PA0113751 there.

Nearby on the register

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

What this page shows

The TRW VALVE DIVISION permit is one of 1 individual permits on the NPDES register in Montour County, and it is one of 3 NPDES permits in the Logan Run subwatershed. The permit records 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.