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Clean Water Act discharge permit · NPDES PAG136172

AMBRIDGE BORO STORM SEW SYS MS4, Ambridge, PA: NPDES PAG136172 discharge permit, effluent exceedances, inspections, penalties

AMBRIDGE BORO STORM SEW SYS MS4, held by AMBRIDGE BORO BEAVER CNTY, holds NPDES permit PAG136172, which discharges to Ohio River. EPA’s file records it issued March 6, 2013 and expiring March 15, 2018.

AMBRIDGE BORO STORM SEW SYS MS4, Ambridge, Pennsylvania: Coverage under a general permit PAG136172, held by AMBRIDGE BORO BEAVER CNTY; Administratively continued (past its expiration date and still in force until reissued); issued March 6, 2013, term to March 15, 2018, by State Environmental Organization; discharges to Ohio River.

  • October 7, 2026: Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) (ST6).
  • October 7, 2026: Audit (S).
  • September 14, 2026: Notice of Violation (State).
  • August 21, 2026: Evaluation (S).
  • June 12, 2026: Audit (S).

AMBRIDGE BORO STORM SEW SYS MS4 among its neighbors

EPA’s permit file holds 33 discharge permits in the Big Sewickley Creek subwatershed (HUC 050301010308), PAG136172 among them. Its county holds 141, 6 of them major permits; PAG136172 is a minor permit.

Other permits in the Big Sewickley Creek subwatershed (HUC 050301010308)

  • 2453 ROCHESTER RD SRSTP, Sewickley: PA0284815, minor permit, discharging to UNT To Rippling Run, permit term to June 30, 2027
  • 2606 BIG SEWICKLEY CREEK RD PAG4R, Sewickley: PAG046528, minor permit, discharging to Rippling Run, permit term to November 11, 2028
  • ALLMAN ACRES, Marshall, Township Of: PAC020252, minor permit, permit term to April 17, 2023
  • AUTUMN GROVE, Marshall, Township Of: PAC021082, minor permit, permit term to December 7, 2024
  • BIG SEWICKLEY WWTP, Sewickley: PA0218413, major permit, discharging to Big Sewickley Creek, permit term to April 30, 2027
  • DELMONACO AND DISMUKES, Baden: PAG046178, minor permit, discharging to UNT OF BIG SEWICKLEY CREEK, permit term to February 4, 2009
  • ECONOMY BOR. MUN. AUTH., Sewickley: PAL218413, minor permit, permit term to December 31, 2025
  • ECONOMY BORO STORM SEW SYS MS4, Baden: PAG136266, minor permit, discharging to Unnamed Tributary To Big Sewickley Creek, permit term to August 31, 2019
  • FERGUSON FIRE & FABRICATION FAC 1747, Freedom: PAG036589, minor permit, discharging to North Fork Big Sewickley Creek, permit term to March 23, 2028
  • GLENN AND MONICA TAYLOR, Sewickley: PAR606122, minor permit, discharging to BIG SEWICKLEY CREEK, permit term to October 30, 2007

Identity

Facility as filedAMBRIDGE BORO STORM SEW SYS MS4
Permittee as filedAMBRIDGE BORO BEAVER CNTY
NPDES IDPAG136172
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 6, 2013
Expiration dateMarch 15, 2018
Issuing agencyState Environmental Organization
AddressAmbridge, PA 15003
Receiving waterOhio River
SubwatershedBig Sewickley Creek (HUC 050301010308)
SIC4941 – Water Supply

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES PAG136172.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
October 7, 2026Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6

Inspections

DateWhat EPA recordedAgency
October 7, 2026AuditS
August 21, 2026EvaluationS
June 12, 2026AuditS

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

DateWhat EPA recordedAgency
September 14, 2026Notice of ViolationState

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, PAG136172.

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Nearby on the register

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

What this page shows

The AMBRIDGE BORO STORM SEW SYS MS4 permit is one of 54 general permit coverages in Beaver County, this one included, and 25.9% of those 54 were issued earlier than this one. Among 33 NPDES permits in the Big Sewickley Creek subwatershed, this one included, it stands as one of the group, and 48.1% of the 54 Beaver County general permit coverages have a violation on file, a share this permit does not share, as it records 0 pollutants with an effluent exceedance.