How much wastewater does Irene - City Of treat?

Irene - City Of is permitted for a design flow of 0.05 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Irene - City Of use?

Klarifi has identified uncovered lagoons at the Irene facility.

What is the NPDES permit for Irene - City Of?

The facility discharges under NPDES permit SD0022454, currently effective, expiring August 2027.

Is Irene - City Of in compliance?

Discharge monitoring reports show 15 violations at Irene - City Of in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Irene - City Of and how do I contact them?

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

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Irene - City Of

Irene, SD · Clay County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.05 MGD

NPDES permit: SD0022454; Effective

Permit expires: August 2027

Population served: 412; CWNS 2022

Irene - City Of is a publicly owned wastewater treatment plant in Irene, Clay County, South Dakota, serving about 412 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit SD0022454 (effective), which expires in August 2027, with 15 recorded violations in the last three years.

Treatment technology

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

Uncovered lagoons

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Compliance snapshot (last 3 years)

Total violations: 15

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 Irene - City Of.

No verified contacts on file yet

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Nearby wastewater treatment plants in South Dakota

Viborg - City Of

Viborg · 8 mi away

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Hurley - City Of

Hurley · 15 mi away

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Beresford, City Of

Beresford · 19 mi away

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Chancellor, Town Of

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Lennox, City Of

Lennox · 23 mi away

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Menno, City Of

Menno · 24 mi away

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Vermillion, City Of

Vermillion · 25 mi away

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Marion, City Of

Marion · 26 mi away

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Irene - 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 September 11, 2026; facility record last updated April 24, 2025.

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