What is the address of Maurice City Of STP?

The address on the plant’s EPA facility record is 100 4th Street, Maurice, IA 51036, in Sioux County. Its coordinates are 42.9665, -96.1893. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Maurice City Of STP treat?

Maurice City Of STP is permitted for a design flow of 0.03 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Maurice City Of STP use?

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

What is the NPDES permit for Maurice City Of STP?

The facility discharges under NPDES permit IA0023451, currently effective, expiring April 2029.

Is Maurice City Of STP in compliance?

Discharge monitoring reports show 2 violations at Maurice City Of STP in the last three years, 2 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Maurice City Of STP

100 4th Street, Maurice, IA 51036 · Sioux County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.03 MGD

NPDES permit: IA0023451; Effective

Permit expires: April 2029

Population served: 265; CWNS 2022

Maurice City Of STP is a publicly owned wastewater treatment works in Maurice, Sioux County, Iowa, serving about 265 residents. It discharges under NPDES permit IA0023451 (effective), which expires in April 2029, with 2 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 2

Effluent violations: 2

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

Key contacts

1 verified contact for Maurice 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 Maurice City Of STP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Iowa

Orange City City Of STP

Orange City · 6 mi away

0.85 MGD

Ireton City Of STP

Ireton · 8 mi away

—

City Of Sioux Center STP

Sioux Center · 8 mi away

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Brunsville City Of STP

Brunsville · 11 mi away

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Le Mars City Of STP

Le Mars · 12 mi away

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Oyens City Of STP

Oyens · 12 mi away

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Remsen City Of STP

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Granville City Of STP

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Maurice 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 September 1, 2025.

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

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