How much wastewater does Dike WWTP treat?

Dike WWTP treats an average of 0.18 MGD and is permitted for a design flow of 1.91 MGD.

What treatment technology does Dike WWTP use?

Klarifi has identified 4 treatment structures and unit processes at the Dike facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

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

Dike, IA 50624 · Grundy County · Publicly Owned Treatment Works

Average flow: 0.18 MGD

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 treating an average of 0.18 million gallons per day against a permitted design capacity of 1.91 MGD, serving about 1,304 residents. It discharges under NPDES permit IA0023311 (effective), which expires in October 2030, with 3 recorded violations in the last three years.

Treatment technology

4 treatment structures and unit processes identified at Dike WWTP.

Available with a free Klarifi account

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

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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

—

Reinbeck Water Supply

Reinbeck · 9 mi away

0.35 MGD

Holland WWTP

Holland · 10 mi away

—

Hudson WWTP

Hudson · 10 mi away

0.35 MGD

Cedar Falls City Of STP

Cedar Falls · 11 mi away

4.83 MGD

Parkersburg City Of STP

Parkersburg · 12 mi away

0.21 MGD

Janesville City Of STP

Janesville · 14 mi away

0.06 MGD

Aplington Water Supply

Aplington · 15 mi away

0.13 MGD

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 October 26, 2026; facility record last updated March 7, 2025.

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

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