What is the address of Redfield WWTP?

The address on the plant’s EPA facility record is Approx 1/2 Mile S, Redfield, IA 50233, in Dallas County. Its coordinates are 41.5762, -94.2021. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Redfield WWTP treat?

Redfield WWTP treats an average of 0.07 MGD.

What treatment technology does Redfield WWTP use?

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

What is the NPDES permit for Redfield WWTP?

The facility discharges under NPDES permit IA0036099, currently effective, expiring May 2027.

Is Redfield WWTP in compliance?

Discharge monitoring reports show 7 violations at Redfield WWTP in the last three years, 7 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Redfield WWTP and how do I contact them?

Redfield WWTP is a publicly owned treatment works in Redfield, Iowa. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Redfield WWTP

Approx 1/2 Mile S, Redfield, IA 50233 · Dallas County · Publicly Owned Treatment Works

Average flow: 0.07 MGD

Design flow: —

NPDES permit: IA0036099; Effective

Permit expires: May 2027

Population served: 731; CWNS 2022

Redfield WWTP is a publicly owned wastewater treatment works in Redfield, Dallas County, Iowa treating an average of 0.07 million gallons per day, serving about 731 residents. It discharges under NPDES permit IA0036099 (effective), which expires in May 2027, with 7 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Redfield WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 7

Effluent violations: 7

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

Key contacts

1 verified contact for Redfield WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Redfield WWTP, plus the full compliance history and discharge data.

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Redfield 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 September 11, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms

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