What is the address of Freeman, City Of?

The address on the plant’s EPA facility record is PO Box 178, Freeman, SD 57029, in Hutchinson County. Its coordinates are 43.3653, -97.4898. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Freeman, City Of treat?

Freeman, City Of treats an average of 0.29 MGD and is permitted for a design flow of 0.4 MGD.

What treatment technology does Freeman, City Of use?

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

What is the NPDES permit for Freeman, City Of?

The facility discharges under NPDES permit SD0022110, currently effective, expiring June 2027.

Is Freeman, City Of in compliance?

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

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

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

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Freeman, City Of

PO Box 178, Freeman, SD 57029 · Hutchinson County · Publicly Owned Treatment Works

Average flow: 0.29 MGD

Design flow: 0.4 MGD

NPDES permit: SD0022110; Effective

Permit expires: June 2027

Population served: —; CWNS 2022

Freeman, City Of is a publicly owned wastewater treatment plant in Freeman, Hutchinson County, South Dakota treating an average of 0.29 million gallons per day against a permitted design capacity of 0.4 MGD. It discharges under NPDES permit SD0022110 (effective), which expires in June 2027, with 3 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Freeman, City Of.

Available with a free Klarifi account

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

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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 Freeman, City Of.

No verified contacts on file yet

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Nearby wastewater treatment plants in South Dakota

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Freeman, 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 26, 2026; facility record last updated November 19, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms

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