What is the address of Ireton City Of STP?

The address on the plant’s EPA facility record is 102 Lasalle St, Ireton, IA 51027, in Sioux County. Its coordinates are 42.9738, -96.3434. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Ireton City Of STP treat?

Ireton City Of STP is permitted for a design flow of 0.1 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Ireton City Of STP use?

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

What is the NPDES permit for Ireton City Of STP?

The facility discharges under NPDES permit IA0027961, currently effective, expiring September 2028.

Is Ireton City Of STP in compliance?

Discharge monitoring reports show 4 violations at Ireton City Of STP in the last three years, 4 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Ireton City Of STP

102 Lasalle St, Ireton, IA 51027 · Sioux County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.1 MGD

NPDES permit: IA0027961; Effective

Permit expires: September 2028

Population served: 600; CWNS 2022

Ireton City Of STP is a publicly owned wastewater treatment works in Ireton, Sioux County, Iowa, serving about 600 residents. It discharges under NPDES permit IA0027961 (effective), which expires in September 2028, with 4 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

See the full treatment train at Ireton City Of STP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 4

Effluent violations: 4

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

Key contacts

1 verified contact for Ireton City Of STP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Ireton City Of STP, plus the full compliance history and discharge data.

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Hawarden City Of STP

Hawarden · 8 mi away

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Orange City City Of STP

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Le Mars City Of STP

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Akron City Of STP

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Ireton 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 March 28, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms

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