How much wastewater does Holiday Park STP treat?

Holiday Park STP treats an average of 1.1 MGD and is permitted for a design flow of 1.8 MGD.

What is the NPDES permit for Holiday Park STP?

The facility discharges under NPDES permit PA0035360, currently expired, expiring December 2024.

Is Holiday Park STP in compliance?

Discharge monitoring reports show 3 violations at Holiday Park STP in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Holiday Park STP and how do I contact them?

Holiday Park STP is a publicly owned treatment works in Pittsburgh, Pennsylvania. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Holiday Park STP

Pittsburgh, PA · Allegheny County · Publicly Owned Treatment Works

Average flow: 1.1 MGD

Design flow: 1.8 MGD

NPDES permit: PA0035360; Expired

Permit expires: December 2024

Population served: —; CWNS 2022

Holiday Park STP is a publicly owned wastewater treatment works in Pittsburgh, Allegheny County, Pennsylvania treating an average of 1.1 million gallons per day against a permitted design capacity of 1.8 MGD. It discharges under NPDES permit PA0035360 (expired), which expires in December 2024, with 3 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Treatment structure data not yet analyzed for this facility.

Compliance snapshot (last 3 years)

Total violations: 3

Effluent violations: 3

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

Decision-makers at Holiday Park STP.

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Nearby wastewater treatment plants in Pennsylvania

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Oakmont Boro - WWTP

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Brush Creek STP

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Upper Allegheny Jt Sani Auth STP

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Allegheny Valley Joint Sewage Authority

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Lincoln Road STP

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West Mifflin - Thompson Run STP

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0.74 MGD

Kiski Vly Wpca STP

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2.33 MGD

Holiday Park STP: frequently asked questions

Sources and methodology

Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.

Data refreshed September 11, 2026; facility record last updated December 22, 2024.

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