How much wastewater does Hamburg City Of STP treat?

Hamburg City Of STP treats an average of 0.12 MGD and is permitted for a design flow of 0.53 MGD.

What treatment technology does Hamburg City Of STP use?

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

What is the NPDES permit for Hamburg City Of STP?

The facility discharges under NPDES permit IA0048321, currently effective, expiring May 2029.

Is Hamburg City Of STP in compliance?

Discharge monitoring reports show no violations at Hamburg City Of STP in the last three years.

Who operates Hamburg City Of STP and how do I contact them?

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

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Hamburg City Of STP

Hamburg, IA 51640 · Fremont County · Publicly Owned Treatment Works

Average flow: 0.12 MGD

Design flow: 0.53 MGD

NPDES permit: IA0048321; Effective

Permit expires: May 2029

Population served: 890; CWNS 2022

Hamburg City Of STP is a publicly owned wastewater treatment works in Hamburg, Fremont County, Iowa treating an average of 0.12 million gallons per day against a permitted design capacity of 0.53 MGD, serving about 890 residents. It discharges under NPDES permit IA0048321 (effective), which expires in May 2029, with 0 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Hamburg City Of STP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

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

Key contacts

1 verified contact for Hamburg City Of STP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Hamburg City Of STP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Iowa

Riverton WWTP

Riverton · 7 mi away

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Sidney WWTP

Sidney · 10 mi away

0.04 MGD

Farragut City Of STP

Farragut · 12 mi away

0.05 MGD

City Of Shenandoah STP

Shenandoah · 18 mi away

1.1 MGD

Randolph WWTP

Randolph · 19 mi away

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Tabor WWTP

Tabor · 21 mi away

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Coin City Of STP

Coin · 22 mi away

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Essex City Of STP

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Hamburg City Of STP: 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 26, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms

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