How much wastewater does Oaks WWTP (lower Perkiomen Valley) treat?

Oaks WWTP (lower Perkiomen Valley) treats an average of 5.54 MGD and is permitted for a design flow of 14.25 MGD.

What treatment technology does Oaks WWTP (lower Perkiomen Valley) use?

Klarifi has identified clarifiers, biogas silos at the Oaks facility.

What is the NPDES permit for Oaks WWTP (lower Perkiomen Valley)?

The facility discharges under NPDES permit PA0026964, currently effective, expiring November 2030.

Is Oaks WWTP (lower Perkiomen Valley) in compliance?

Discharge monitoring reports show 5 violations at Oaks WWTP (lower Perkiomen Valley) in the last three years, 5 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Oaks WWTP (lower Perkiomen Valley) and how do I contact them?

Oaks WWTP (lower Perkiomen Valley) is a publicly owned treatment works in Oaks, Pennsylvania. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Oaks WWTP (lower Perkiomen Valley)

Oaks, PA · Montgomery County · Publicly Owned Treatment Works

Average flow: 5.54 MGD

Design flow: 14.25 MGD

NPDES permit: PA0026964; Effective

Permit expires: November 2030

Population served: —; CWNS 2022

Oaks WWTP (lower Perkiomen Valley) is a publicly owned wastewater treatment works in Oaks, Montgomery County, Pennsylvania treating an average of 5.54 million gallons per day against a permitted design capacity of 14.25 MGD. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit PA0026964 (effective), which expires in November 2030, with 5 recorded violations in the last three years.

Treatment technology

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

Clarifiers

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Biogas silos

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Compliance snapshot (last 3 years)

Total violations: 5

Effluent violations: 5

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

Key contacts

1 verified contact for Oaks WWTP (lower Perkiomen Valley), with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Oaks WWTP (lower Perkiomen Valley), plus the full compliance history and discharge data.

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Oaks WWTP (lower Perkiomen Valley): 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 February 16, 2025.

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