How much wastewater does Minden City Of STP treat?

Minden City Of STP treats an average of 0.05 MGD and is permitted for a design flow of 0.25 MGD.

What treatment technology does Minden City Of STP use?

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

What is the NPDES permit for Minden City Of STP?

The facility discharges under NPDES permit IA0048330, currently administratively continued, expiring June 2026.

Is Minden City Of STP in compliance?

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

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

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

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Minden City Of STP

Minden, IA 51553 · Pottawattamie County · Publicly Owned Treatment Works

Average flow: 0.05 MGD

Design flow: 0.25 MGD

NPDES permit: IA0048330; Administratively continued

Permit expires: June 2026

Population served: 600; CWNS 2022

Minden City Of STP is a publicly owned wastewater treatment works in Minden, Pottawattamie County, Iowa treating an average of 0.05 million gallons per day against a permitted design capacity of 0.25 MGD, serving about 600 residents. It discharges under NPDES permit IA0048330 (administratively continued), which expires in June 2026, with 7 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

See the full treatment train at Minden City Of STP: 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

Decision-makers at Minden City Of STP.

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Nearby wastewater treatment plants in Iowa

Neola WWTP

Neola · 4 mi away

0.09 MGD

Shelby City Of STP

Shelby · 7 mi away

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Persia STP (regional Water Inc.)

Persia · 8 mi away

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Underwood City Of STP

Underwood · 9 mi away

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Avoca City Of STP

Avoca · 10 mi away

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Hancock City Of STP

Hancock · 10 mi away

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Portsmouth City Of STP

Portsmouth · 12 mi away

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Oakland City Of STP

Oakland · 13 mi away

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Minden 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 February 27, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms

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