What treatment technology does Oswego, City Of use?

Klarifi has identified one treatment structure or unit process at the Oswego facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Oswego, City Of?

The facility discharges under NPDES permit KS0047554, currently effective, expiring September 2028.

Is Oswego, City Of in compliance?

Discharge monitoring reports show 1 violation at Oswego, City Of in the last three years. The full history is available in Klarifi.

Who operates Oswego, City Of and how do I contact them?

Oswego, City Of is a publicly owned treatment works in Oswego, Kansas. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Oswego, City Of

Oswego, KS 67356 · Labette County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: KS0047554; Effective

Permit expires: September 2028

Population served: 1,924; CWNS 2022

Oswego, City Of is a publicly owned wastewater treatment plant in Oswego, Labette County, Kansas, serving about 1,924 residents. It discharges under NPDES permit KS0047554 (effective), which expires in September 2028, with 1 recorded violation in the last three years.

Treatment technology

One treatment structure or unit process identified at Oswego, City Of.

Available with a free Klarifi account

See the full treatment train at Oswego, City Of: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 1

Effluent violations: 0

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

Key contacts

Decision-makers at Oswego, City Of.

No verified contacts on file yet

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Oswego, City Of: 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 October 19, 2026; facility record last updated March 20, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms

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