How much wastewater does Runnells City Of STP treat?

Runnells City Of STP treats an average of 0.05 MGD and is permitted for a design flow of 0.11 MGD.

What treatment technology does Runnells City Of STP use?

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

What is the NPDES permit for Runnells City Of STP?

The facility discharges under NPDES permit IA0063355, currently effective, expiring April 2027.

Is Runnells City Of STP in compliance?

Discharge monitoring reports show 80 violations at Runnells City Of STP in the last three years, 79 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Runnells City Of STP

Runnells, IA 50237 · Polk County · Publicly Owned Treatment Works

Average flow: 0.05 MGD

Design flow: 0.11 MGD

NPDES permit: IA0063355; Effective

Permit expires: April 2027

Population served: 507; CWNS 2022

Runnells City Of STP is a publicly owned wastewater treatment works in Runnells, Polk County, Iowa treating an average of 0.05 million gallons per day against a permitted design capacity of 0.11 MGD, serving about 507 residents. It discharges under NPDES permit IA0063355 (effective), which expires in April 2027, with 80 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Runnells City Of STP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 80

Effluent violations: 79

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

Key contacts

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

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Nearby wastewater treatment plants in Iowa

Hartford City Of STP

Hartford · 4 mi away

0.15 MGD

Carlisle City Of STP

Carlisle · 6 mi away

0.5 MGD

Prairie City, City Of STP

Prairie City · 9 mi away

0.32 MGD

Pleasantville Water Works

Pleasantville · 10 mi away

0.26 MGD

Mitchellville Water Supply

Mitchellville · 11 mi away

0.4 MGD

Monroe City Of STP (west)

Monroe · 13 mi away

0.27 MGD

Colfax City Of STP

Colfax · 14 mi away

0.5 MGD

Indianola Water Resource Recovery Facility

Indianola · 14 mi away

1.96 MGD

Runnells 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 3, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms

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