How much wastewater does Sobieski WWTP treat?

Sobieski WWTP treats an average of 0.007 MGD and is permitted for a design flow of 0.02 MGD.

What treatment technology does Sobieski WWTP use?

Klarifi has identified 2 treatment structures and unit processes at the Swan River facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Sobieski WWTP?

The facility discharges under NPDES permit MNG585217, currently effective, expiring November 2028.

Is Sobieski WWTP in compliance?

Discharge monitoring reports show 9 violations at Sobieski WWTP in the last three years, 8 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Sobieski WWTP and how do I contact them?

Sobieski WWTP is a publicly owned treatment works in Swan River, Minnesota. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Sobieski WWTP

Swan River, MN 55784 · Itasca County · Publicly Owned Treatment Works

Average flow: 0.007 MGD

Design flow: 0.02 MGD

NPDES permit: MNG585217; Effective

Permit expires: November 2028

Population served: 221; CWNS 2022

Sobieski WWTP is a publicly owned wastewater treatment works in Swan River, Itasca County, Minnesota treating an average of 0.007 million gallons per day against a permitted design capacity of 0.02 MGD, serving about 221 residents. It discharges under NPDES permit MNG585217 (effective), which expires in November 2028, with 9 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Sobieski WWTP.

Available with a free Klarifi account

See the full treatment train at Sobieski WWTP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 9

Effluent violations: 8

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

Key contacts

Decision-makers at Sobieski WWTP.

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Nearby wastewater treatment plants in Minnesota

Flensburg WWTP

Flensburg · 4 mi away

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Bowlus WWTP

Bowlus · 8 mi away

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Royalton WWTP

Royalton · 10 mi away

0.11 MGD

Swanville WWTP

Swanville · 10 mi away

0.02 MGD

Randall WWTP

Randall · 11 mi away

0.07 MGD

Holdingford WWTP

Holdingford · 13 mi away

0.06 MGD

Rich Prairie WWTF

Pierz · 16 mi away

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Rice WWTP

Rice · 16 mi away

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Sobieski WWTP: 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 26, 2026; facility record last updated July 19, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms

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