How much wastewater does Adel WWTP treat?

Adel WWTP treats an average of 0.77 MGD and is permitted for a design flow of 5.44 MGD.

What treatment technology does Adel WWTP use?

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

What is the NPDES permit for Adel WWTP?

The facility discharges under NPDES permit IA0041921, currently effective, expiring November 2027.

Is Adel WWTP in compliance?

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

Who operates Adel WWTP and how do I contact them?

Adel WWTP is a publicly owned treatment works in Adel, Iowa. Klarifi lists 4 verified decision-maker contacts for this facility, available with a free trial.

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Adel WWTP

Adel, IA 50003 · Dallas County · Publicly Owned Treatment Works

Average flow: 0.77 MGD

Design flow: 5.44 MGD

NPDES permit: IA0041921; Effective

Permit expires: November 2027

Population served: 3,848; CWNS 2022

Adel WWTP is a publicly owned wastewater treatment works in Adel, Dallas County, Iowa treating an average of 0.77 million gallons per day against a permitted design capacity of 5.44 MGD, serving about 3,848 residents. It discharges under NPDES permit IA0041921 (effective), which expires in November 2027, with 3 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Adel WWTP.

Available with a free Klarifi account

See the full treatment train at Adel 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

4 verified contacts for Adel WWTP, with validated emails and direct phone numbers.

Unlock 4 verified contacts (1 more than shown)

Names, validated emails and direct phone numbers for decision-makers at Adel WWTP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Iowa

Desoto City Of STP

De Soto · 5 mi away

0.13 MGD

Dallas Center City Of STP

Dallas Center · 6 mi away

0.25 MGD

Van Meter City Of STP

Van Meter · 6 mi away

0.08 MGD

Earlham City Of STP

Earlham · 9 mi away

0.34 MGD

Redfield WWTP

Redfield · 11 mi away

0.07 MGD

Minburn City Of STP

Minburn · 11 mi away

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Granger WWTP

Granger · 13 mi away

0.25 MGD

Dexter City Of STP

Dexter · 13 mi away

—

Adel 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 12, 2025.

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

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