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Clean Water Act discharge permit · NPDES PAG136274

MOON TWP STORM SEW SYS MS4, Coraopolis, PA: NPDES PAG136274 discharge permit, effluent exceedances, inspections, penalties

MOON TWP STORM SEW SYS MS4, held by MOON TWP ALLEGHENY CNTY, holds NPDES permit PAG136274, which discharges to Montour Run. EPA’s file records it issued May 14, 2014 and expiring May 13, 2019.

MOON TWP STORM SEW SYS MS4, Coraopolis, Pennsylvania: Coverage under a general permit PAG136274, held by MOON TWP ALLEGHENY CNTY; Effective; issued May 14, 2014, term to May 13, 2019, by State Environmental Organization; discharges to Montour Run.

  • July 29, 2026: Reconnaissance without Sampling (S).
  • June 10, 2026: Audit (S).
  • March 27, 2026: Reconnaissance without Sampling (S).
  • March 27, 2026: Reconnaissance without Sampling (S).

MOON TWP STORM SEW SYS MS4 among its neighbors

EPA’s permit file holds 11 discharge permits in the Flaugherty Run subwatershed (HUC 050301010306), PAG136274 among them. Its county holds 695, 8 of them major permits; PAG136274 is a minor permit.

Other permits in the Flaugherty Run subwatershed (HUC 050301010306)

  • CIMARRON PLAN OF LOTS - PHASE 2 THROUGH 6, Moon, Township Of: PAC020348, minor permit, permit term to November 13, 2023
  • CORAOPOLIS FAC, Coraopolis: PAG036363, minor permit, discharging to UNT To Ohio River, permit term to March 23, 2028
  • CORAOPOLIS FAC, Coraopolis: PAR606152, minor permit, discharging to FLAUGHERTY RUN, permit term to June 30, 2015
  • GILMARY APARTMENTS, Findlay, Township Of: PAC020887, minor permit, permit term to December 7, 2024
  • JOHN RATARINI, Coraopolis: PAG046165, minor permit, discharging to BOGGS RUN TO FLAUGHERTY RUN, permit term to October 14, 2008
  • MOLTER, DEAN E SFTF, Moon, Township Of: PA0098981, minor permit, discharging to UNT OF FLAUGHERTY RUN, permit term to February 28, 2007
  • NORTH FLAUGHERTY RUN RD SRSTP, Coraopolis: PAG046540, minor permit, discharging to UNT To Boggs Run, permit term to November 11, 2028
  • PARKWOOD POINTE PHASE 2, Crescent, Township Of: PAC020738, minor permit, permit term to December 7, 2024
  • RUBENSTEIN RESIDENTIAL DEVELOPMENT, Moon, Township Of: PAC021164, minor permit, permit term to December 7, 2029
  • WICKHAM VILLAGE STP, Aliquippa: PA0026336, minor permit, discharging to UNT To Shouse Run, permit term to July 31, 2026

Identity

Facility as filedMOON TWP STORM SEW SYS MS4
Permittee as filedMOON TWP ALLEGHENY CNTY
NPDES IDPAG136274
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 14, 2014
Expiration dateMay 13, 2019
Issuing agencyState Environmental Organization
AddressCoraopolis, PA 15108
Receiving waterMontour Run
Receiving water impaired303(D) Listed
SubwatershedFlaugherty Run (HUC 050301010306)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES PAG136274.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES PAG136274.

Inspections

DateWhat EPA recordedAgency
July 29, 2026Reconnaissance without SamplingS
June 10, 2026AuditS
March 27, 2026Reconnaissance without SamplingS
March 27, 2026Reconnaissance without SamplingS

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES PAG136274.

Watch this permit

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Nearby on the register

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

What this page shows

MOON TWP STORM SEW SYS MS4 is one of 195 general permit coverages on EPA's NPDES register in Allegheny County, and 32.3% of those permits have an earlier issue date than this one. The permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance.