What is the address of Quasqueton City Of STP?

The address on the plant’s EPA facility record is 103 N 2nd St, Quasqueton, IA 52326, in Buchanan County. Its coordinates are 42.3876, -91.7577. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Quasqueton City Of STP treat?

Quasqueton City Of STP treats an average of 0.03 MGD and is permitted for a design flow of 0.14 MGD.

What treatment technology does Quasqueton City Of STP use?

Klarifi has identified 3 treatment structures and unit processes at the Quasqueton facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Quasqueton City Of STP?

The facility discharges under NPDES permit IA0057011, currently effective, expiring January 2030.

Is Quasqueton City Of STP in compliance?

Discharge monitoring reports show 23 violations at Quasqueton City Of STP in the last three years, 14 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Quasqueton City Of STP

103 N 2nd St, Quasqueton, IA 52326 · Buchanan County · Publicly Owned Treatment Works

Average flow: 0.03 MGD

Design flow: 0.14 MGD

NPDES permit: IA0057011; Effective

Permit expires: January 2030

Population served: 570; CWNS 2022

Quasqueton City Of STP is a publicly owned wastewater treatment works in Quasqueton, Buchanan County, Iowa treating an average of 0.03 million gallons per day against a permitted design capacity of 0.14 MGD, serving about 570 residents. It discharges under NPDES permit IA0057011 (effective), which expires in January 2030, with 23 recorded violations in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Quasqueton City Of STP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 23

Effluent violations: 14

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

Key contacts

1 verified contact for Quasqueton 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 Quasqueton City Of STP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Iowa

Rowley City Of STP

Rowley · 4 mi away

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Winthrop City Of STP

Winthrop · 5 mi away

0.23 MGD

Walker City Of STP

Walker · 8 mi away

0.11 MGD

Independence WWTP

Independence · 8 mi away

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Troy Mills Sanitary District

Walker · 8 mi away

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Masonville, City Of-STP

Masonville · 11 mi away

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Urbana WWTP

Urbana · 13 mi away

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Brandon WWTP

Brandon · 14 mi away

0.03 MGD

Quasqueton 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 March 28, 2025.

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

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