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Clean Water Act discharge permit · NPDES PAG136217

WEST DEER TWP STORM SEW SYS MS4, Cheswick, PA: NPDES PAG136217 discharge permit, effluent exceedances, inspections, penalties

WEST DEER TWP STORM SEW SYS MS4, held by WEST DEER TWP ALLEGHENY CNTY, holds NPDES permit PAG136217, which discharges to Unnamed Tributary To Little Deer Creek. EPA’s file records it issued June 23, 2014 and expiring June 22, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for WEST DEER TWP STORM SEW SYS MS4: its NPDES ID, its permit type and status, its dates, its address in Cheswick, Pennsylvania, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES PAG136217.

Identity

Facility as filedWEST DEER TWP STORM SEW SYS MS4
Permittee as filedWEST DEER TWP ALLEGHENY CNTY
NPDES IDPAG136217
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 23, 2014
Expiration dateJune 22, 2019
Issuing agencyState Environmental Organization
AddressCheswick, PA 15024
Receiving waterUnnamed Tributary To Little Deer Creek
Receiving water impaired303(D) Listed
SubwatershedDeer Creek (HUC 050100090303)

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 PAG136217.

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 PAG136217.

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, PAG136217.

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 PAG136217 there.

Nearby on the register

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