How much wastewater does Sabula City Of STP treat?

Sabula City Of STP treats an average of 0.06 MGD and is permitted for a design flow of 0.21 MGD.

What treatment technology does Sabula City Of STP use?

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

What is the NPDES permit for Sabula City Of STP?

The facility discharges under NPDES permit IA0032867, currently effective, expiring May 2029.

Is Sabula City Of STP in compliance?

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

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

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

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Sabula City Of STP

Sabula, IA 52070 · Jackson County · Publicly Owned Treatment Works

Average flow: 0.06 MGD

Design flow: 0.21 MGD

NPDES permit: IA0032867; Effective

Permit expires: May 2029

Population served: 506; CWNS 2022

Sabula City Of STP is a publicly owned wastewater treatment works in Sabula, Jackson County, Iowa treating an average of 0.06 million gallons per day against a permitted design capacity of 0.21 MGD, serving about 506 residents. It discharges under NPDES permit IA0032867 (effective), which expires in May 2029, with 2 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

See the full treatment train at Sabula 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 Sabula 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 Sabula City Of STP, plus the full compliance history and discharge data.

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Preston WWTP

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Charlotte City Of STP

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Springbrook WWTP

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Clinton WWTP

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Sabula 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 · Anaerobic digester · Lift station · all terms

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