What is the address of Iowa Falls WWTP?

The address on the plant’s EPA facility record is 212 Hollis Ave., Iowa Falls, IA 50126, in Hardin County. Its coordinates are 42.5189, -93.2525. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Iowa Falls WWTP treat?

Iowa Falls WWTP treats an average of 1.02 MGD and is permitted for a design flow of 3.52 MGD.

What treatment technology does Iowa Falls WWTP use?

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

What is the NPDES permit for Iowa Falls WWTP?

The facility discharges under NPDES permit IA0023442, currently effective, expiring August 2031.

Is Iowa Falls WWTP in compliance?

Discharge monitoring reports show no violations at Iowa Falls WWTP in the last three years.

Who operates Iowa Falls WWTP and how do I contact them?

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

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Iowa Falls WWTP

212 Hollis Ave., Iowa Falls, IA 50126 · Hardin County · Publicly Owned Treatment Works

Average flow: 1.02 MGD

Design flow: 3.52 MGD

NPDES permit: IA0023442; Effective

Permit expires: August 2031

Population served: 5,106; CWNS 2022

Iowa Falls WWTP is a publicly owned wastewater treatment works in Iowa Falls, Hardin County, Iowa treating an average of 1.02 million gallons per day against a permitted design capacity of 3.52 MGD, serving about 5,106 residents. It discharges under NPDES permit IA0023442 (effective), which expires in August 2031, with 0 recorded violations in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Iowa Falls WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

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

Key contacts

1 verified contact for Iowa Falls WWTP, with validated emails and direct phone numbers.

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

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Nearby wastewater treatment plants in Iowa

Alden WWTP

Alden · 6 mi away

0.06 MGD

Ackley WWTP

Ackley · 11 mi away

0.59 MGD

Steamboat Rock City Of STP

Steamboat Rock · 12 mi away

0.02 MGD

Eldora WWTP

Eldora · 14 mi away

0.59 MGD

Williams City Of STP

Williams · 14 mi away

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Hubbard City Of STP

Hubbard · 16 mi away

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Hampton WWTP

Hampton · 16 mi away

0.38 MGD

Dows WWTP

Dows · 16 mi away

0.11 MGD

Iowa Falls 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 6, 2025.

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

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