What is the address of Hudson WWTP?

The address on the plant’s EPA facility record is 1802 Sergeant Rd., Hudson, IA 50643, in Black Hawk County. Its coordinates are 42.4225, -92.4431. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Hudson WWTP treat?

Hudson WWTP treats an average of 0.35 MGD and is permitted for a design flow of 0.75 MGD.

What treatment technology does Hudson WWTP use?

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

What is the NPDES permit for Hudson WWTP?

The facility discharges under NPDES permit IA0027243, currently effective, expiring July 2028.

Is Hudson WWTP in compliance?

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

Who operates Hudson WWTP and how do I contact them?

Hudson WWTP is a publicly owned treatment works in Hudson, Iowa. Klarifi lists 3 verified decision-maker contacts for this facility, available with a free trial.

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Hudson WWTP

1802 Sergeant Rd., Hudson, IA 50643 · Black Hawk County · Publicly Owned Treatment Works

Average flow: 0.35 MGD

Design flow: 0.75 MGD

NPDES permit: IA0027243; Effective

Permit expires: July 2028

Population served: 2,546; CWNS 2022

Hudson WWTP is a publicly owned wastewater treatment works in Hudson, Black Hawk County, Iowa treating an average of 0.35 million gallons per day against a permitted design capacity of 0.75 MGD, serving about 2,546 residents. It discharges under NPDES permit IA0027243 (effective), which expires in July 2028, with 8 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Hudson WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 8

Effluent violations: 8

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

Key contacts

3 verified contacts for Hudson WWTP, with validated emails and direct phone numbers.

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

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Hudson 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 November 5, 2025.

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

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