What is the address of Floyd City Of STP?

The address on the plant’s EPA facility record is 2500 155th Street, Floyd, IA 50435, in Floyd County. Its coordinates are 43.1324, -92.7314. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Floyd City Of STP treat?

Floyd City Of STP treats an average of 0.03 MGD and is permitted for a design flow of 0.11 MGD.

What treatment technology does Floyd City Of STP use?

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

What is the NPDES permit for Floyd City Of STP?

The facility discharges under NPDES permit IA0028894, currently effective, expiring June 2030.

Is Floyd City Of STP in compliance?

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

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

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

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Floyd City Of STP

2500 155th Street, Floyd, IA 50435 · Floyd County · Publicly Owned Treatment Works

Average flow: 0.03 MGD

Design flow: 0.11 MGD

NPDES permit: IA0028894; Effective

Permit expires: June 2030

Population served: 313; CWNS 2022

Floyd City Of STP is a publicly owned wastewater treatment works in Floyd, Floyd County, Iowa treating an average of 0.03 million gallons per day against a permitted design capacity of 0.11 MGD, serving about 313 residents. It discharges under NPDES permit IA0028894 (effective), which expires in June 2030, with 2 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

See the full treatment train at Floyd 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 Floyd City Of STP, with validated emails and direct phone numbers.

Unlock 1 verified contact

Names, validated emails and direct phone numbers for decision-makers at Floyd City Of STP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Iowa

Orchard City Of STP

Orchard · 7 mi away

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Rudd WWTP

Rudd · 9 mi away

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Mitchell County WW Pretreatment Plant

Osage · 11 mi away

0.03 MGD

Osage City Of STP

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Rockford WWTP

Rockford · 12 mi away

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Nora Springs City Of STP

Nora Springs · 14 mi away

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Marble Rock WWTP

Marble Rock · 14 mi away

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Elma WWTP

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Floyd 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 February 14, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms

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