How much wastewater does Stuart WWTP treat?

Stuart WWTP treats an average of 0.41 MGD and is permitted for a design flow of 0.9 MGD.

What treatment technology does Stuart WWTP use?

Klarifi has identified 2 treatment structures and unit processes at the Stuart facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Stuart WWTP?

The facility discharges under NPDES permit IA0041858, currently effective, expiring October 2030.

Is Stuart WWTP in compliance?

Discharge monitoring reports show 32 violations at Stuart WWTP in the last three years, 32 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Stuart WWTP and how do I contact them?

Stuart WWTP is a publicly owned treatment works in Stuart, Iowa. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Stuart WWTP

Stuart, IA 50250 · Guthrie County · Publicly Owned Treatment Works

Average flow: 0.41 MGD

Design flow: 0.9 MGD

NPDES permit: IA0041858; Effective

Permit expires: October 2030

Population served: 1,914; CWNS 2022

Stuart WWTP is a publicly owned wastewater treatment works in Stuart, Guthrie County, Iowa treating an average of 0.41 million gallons per day against a permitted design capacity of 0.9 MGD, serving about 1,914 residents. It discharges under NPDES permit IA0041858 (effective), which expires in October 2030, with 32 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Stuart WWTP.

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

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Compliance snapshot (last 3 years)

Total violations: 32

Effluent violations: 32

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

Key contacts

Decision-makers at Stuart WWTP.

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Nearby wastewater treatment plants in Iowa

Dexter City Of STP

Dexter · 5 mi away

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Menlo WWTP

Menlo · 5 mi away

—

Redfield WWTP

Redfield · 7 mi away

0.07 MGD

Linden City Of STP

Linden · 9 mi away

—

Casey WWTP

Casey · 10 mi away

0.09 MGD

Earlham City Of STP

Earlham · 10 mi away

0.34 MGD

Panora WWTP

Panora · 12 mi away

0.35 MGD

Guthrie Ctr City Of STP

Guthrie Center · 15 mi away

0.12 MGD

Stuart 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 April 23, 2025.

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

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