What is the address of Schleswig City Of STP?

The address on the plant’s EPA facility record is Off 6th Street, South Of Town, Schleswig, IA 51461, in Crawford County. Its coordinates are 42.1562, -95.4323. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Schleswig City Of STP treat?

Schleswig City Of STP treats an average of 0.1 MGD and is permitted for a design flow of 0.29 MGD.

What treatment technology does Schleswig City Of STP use?

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

What is the NPDES permit for Schleswig City Of STP?

The facility discharges under NPDES permit IA0036170, currently effective, expiring December 2026.

Is Schleswig City Of STP in compliance?

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

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

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

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Schleswig City Of STP

Off 6th Street, South Of Town, Schleswig, IA 51461 · Crawford County · Publicly Owned Treatment Works

Average flow: 0.1 MGD

Design flow: 0.29 MGD

NPDES permit: IA0036170; Effective

Permit expires: December 2026

Population served: 830; CWNS 2022

Schleswig City Of STP is a publicly owned wastewater treatment works in Schleswig, Crawford County, Iowa treating an average of 0.1 million gallons per day against a permitted design capacity of 0.29 MGD, serving about 830 residents. It discharges under NPDES permit IA0036170 (effective), which expires in December 2026, with 0 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

See the full treatment train at Schleswig 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 Schleswig City Of STP.

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Nearby wastewater treatment plants in Iowa

Kiron WWTP

Kiron · 6 mi away

0.04 MGD

Ricketts City Of STP

Ricketts · 8 mi away

0.0015 MGD

Denison Municipal Utilities WWTP

Denison · 10 mi away

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Charter Oak City Of STP

Charter Oak · 11 mi away

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Arthur City Of STP

Arthur · 13 mi away

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Ida Grove WWTP

Ida Grove · 13 mi away

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Battle Creek WWTP

Battle Creek · 14 mi away

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Vail City Of STP

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Schleswig 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 August 13, 2026.

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

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