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Clean Water Act discharge permit · NPDES PAM117048

GLASGOW IVY ROCK QUARRY, Conshohocken, PA: NPDES PAM117048 discharge permit, effluent exceedances, inspections, penalties

GLASGOW IVY ROCK QUARRY, held by GLASGOW INC, holds NPDES permit PAM117048, which discharges to Plymouth Creek. EPA’s file records it issued December 14, 2017 and expiring December 13, 2022. 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 GLASGOW IVY ROCK QUARRY: its NPDES ID, its permit type and status, its dates, its address in Conshohocken, Pennsylvania, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES PAM117048.

Identity

Facility as filedGLASGOW IVY ROCK QUARRY
Permittee as filedGLASGOW INC
NPDES IDPAM117048
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 14, 2017
Expiration dateDecember 13, 2022
Issuing agencyState Environmental Organization
AddressConshohocken, PA 19428
Receiving waterPlymouth Creek
SubwatershedPlymouth Creek-Schuylkill River (HUC 020402031007)

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 PAM117048.

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 PAM117048.

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, PAM117048.

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 PAM117048 there.

Nearby on the register

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