How much wastewater does Dike WWTP treat?

Dike WWTP is permitted for a design flow of 1.91 MGD. Its average daily flow is not available in the current EPA data.

What is the NPDES permit for Dike WWTP?

The facility discharges under NPDES permit IA0023311, currently effective, expiring October 2030.

Is Dike WWTP in compliance?

Discharge monitoring reports show 3 violations at Dike WWTP in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Dike WWTP and how do I contact them?

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

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Dike WWTP

Q: What treatment technology does Dike WWTP use?

Klarifi has identified clarifiers, uncovered lagoons, carrousels / oxidation ditches, biogas silos at the Dike facility.

Dike, IA · Grundy County · Publicly Owned Treatment Works

Average flow: —

Design flow: 1.91 MGD

NPDES permit: IA0023311; Effective

Permit expires: October 2030

Population served: 1,304; CWNS 2022

Dike WWTP is a publicly owned wastewater treatment works in Dike, Grundy County, Iowa, serving about 1,304 residents. Treatment on site includes clarifiers, uncovered lagoons, carrousels / oxidation ditches, biogas silos. It discharges under NPDES permit IA0023311 (effective), which expires in October 2030, with 3 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Clarifiers

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Uncovered lagoons

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Carrousels / oxidation ditches

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Biogas silos

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Compliance snapshot (last 3 years)

Total violations: 3

Effluent violations: 3

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

Key contacts

Decision-makers at Dike WWTP.

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Nearby wastewater treatment plants in Iowa

Stout WWTP

Dike · 6 mi away

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Holland WWTP

Holland · 10 mi away

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Hudson WWTP

Hudson · 10 mi away

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Cedar Falls City Of STP

Cedar Falls · 11 mi away

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Parkersburg City Of STP

Parkersburg · 12 mi away

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Janesville City Of STP

Janesville · 14 mi away

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Aplington Water Supply

Aplington · 15 mi away

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Wellsburg WWTP

Wellsburg · 16 mi away

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Dike 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 September 11, 2026; facility record last updated March 7, 2025.

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