How much wastewater does Anthon City Of STP treat?

Anthon City Of STP is permitted for a design flow of 0.45 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Anthon City Of STP use?

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

What is the NPDES permit for Anthon City Of STP?

The facility discharges under NPDES permit IA0042854, currently effective, expiring September 2027.

Is Anthon City Of STP in compliance?

Discharge monitoring reports show no violations at Anthon City Of STP in the last three years.

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

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

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Anthon City Of STP

Anthon, IA 51004 · Woodbury County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.45 MGD

NPDES permit: IA0042854; Effective

Permit expires: September 2027

Population served: 545; CWNS 2022

Anthon City Of STP is a publicly owned wastewater treatment works in Anthon, Woodbury County, Iowa, serving about 545 residents. It discharges under NPDES permit IA0042854 (effective), which expires in September 2027, with 0 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

See the full treatment train at Anthon City Of STP: 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

Decision-makers at Anthon City Of STP.

No verified contacts on file yet

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Nearby wastewater treatment plants in Iowa

Correctionville City Of STP

Correctionville · 6 mi away

0.11 MGD

Oto City Of STP

Oto · 7 mi away

—

Pierson City Of STP

Pierson · 10 mi away

—

Cushing City Of STP

Cushing · 10 mi away

—

Smithland City Of STP

Smithland · 12 mi away

—

Moville City Of STP

Moville · 12 mi away

0.1 MGD

Danbury City Of STP

Danbury · 13 mi away

—

Battle Creek WWTP

Battle Creek · 14 mi away

—

Anthon 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 · Activated sludge · Oxidation ditch · all terms

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