Allegheny Cnty Sani Auth/allegheny Cnty
3300 Preble Ave, Pittsburgh, PA 15233 · Allegheny County · Publicly Owned Treatment Works
- Average flow
- 209.84 MGD
- Design flow
- —
- Permit expires
- December 2030
- Population served
- —
Allegheny Cnty Sani Auth/allegheny Cnty is a publicly owned wastewater treatment plant in Pittsburgh, Allegheny County, Pennsylvania treating an average of 209.84 million gallons per day. It discharges under NPDES permit PAL025984 (effective), which expires in December 2030, with 2 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in March 2026.
Treatment technology
Treatment structures and unit processes at Allegheny Cnty Sani Auth/allegheny Cnty.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
- Total violations
- 2
- Effluent violations
- 2
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Allegheny Cnty Sani Auth/allegheny Cnty in EPA's ICIS system.
- Formal actions
- 2
- Penalties assessed
- $1.2M
- Compliance actions
- $1,400M
- EPA inspections
- 0
Latest case
Judicial case · CWA, Effluent Limitations - NPDES Toxic & Pretreatment Effluent Standards · Final Order Entered · Penalty $1.2M · Compliance actions $1,400M
“On March 25, 2026, DOJ, on behalf of EPA Region 3, filed a Joint Status Report submitted by the United States and the Allegheny County Sanitary Authority (ALCOSAN) which memorializes a minor…”
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Key contacts
1 verified contact for Allegheny Cnty Sani Auth/allegheny Cnty, with validated emails and direct phone numbers.
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Allegheny Cnty Sani Auth/allegheny Cnty: frequently asked questions
What is the address of Allegheny Cnty Sani Auth/allegheny Cnty?
The address on the plant’s EPA facility record is 3300 Preble Ave, Pittsburgh, PA 15233, in Allegheny County. Its coordinates are 40.4740, -80.0409. For some plants the record holds the utility’s mailing address rather than the plant gate.
How much wastewater does Allegheny Cnty Sani Auth/allegheny Cnty treat?
Allegheny Cnty Sani Auth/allegheny Cnty treats an average of 209.84 MGD.
Has Allegheny Cnty Sani Auth/allegheny Cnty been subject to EPA enforcement action?
EPA's enforcement records list 2 formal civil enforcement cases naming Allegheny Cnty Sani Auth/allegheny Cnty, 1 since fiscal year 2020. The latest case reached its current status in March 2026 (judicial case, final order entered). Penalties assessed across the cases total $1,203,400. The full case history, with milestones, violation types and EPA's case summaries, is shown in Klarifi with a free account.
What is the NPDES permit for Allegheny Cnty Sani Auth/allegheny Cnty?
The facility discharges under NPDES permit PAL025984, currently effective, expiring December 2030.
Is Allegheny Cnty Sani Auth/allegheny Cnty in compliance?
Discharge monitoring reports show 2 violations at Allegheny Cnty Sani Auth/allegheny Cnty in the last three years, 2 of them effluent limit exceedances. The full history is available in Klarifi.
Who operates Allegheny Cnty Sani Auth/allegheny Cnty and how do I contact them?
Allegheny Cnty Sani Auth/allegheny Cnty is a publicly owned treatment works in Pittsburgh, Pennsylvania. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.
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