What is the address of Story City City Of STP?

The address on the plant’s EPA facility record is 1300 First Street, Story City, IA 50248, in Story County. Its coordinates are 42.1791, -93.5808. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Story City City Of STP treat?

Story City City Of STP treats an average of 0.93 MGD and is permitted for a design flow of 1.79 MGD.

What treatment technology does Story City City Of STP use?

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

What is the NPDES permit for Story City City Of STP?

The facility discharges under NPDES permit IA0035882, currently administratively continued, expiring July 2024.

Is Story City City Of STP in compliance?

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

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

Story City City Of STP is a publicly owned treatment works in Story City, Iowa. Klarifi lists 2 verified decision-maker contacts for this facility, available with a free trial.

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Story City City Of STP

1300 First Street, Story City, IA 50248 · Story County · Publicly Owned Treatment Works

Average flow: 0.93 MGD

Design flow: 1.79 MGD

NPDES permit: IA0035882; Administratively continued

Permit expires: July 2024

Population served: 3,352; CWNS 2022

Story City City Of STP is a publicly owned wastewater treatment works in Story City, Story County, Iowa treating an average of 0.93 million gallons per day against a permitted design capacity of 1.79 MGD, serving about 3,352 residents. It discharges under NPDES permit IA0035882 (administratively continued), which expires in July 2024, with 2 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

See the full treatment train at Story City 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

2 verified contacts for Story City 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 Story City City Of STP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Iowa

Roland City Of STP

Roland · 4 mi away

0.51 MGD

Gilbert, City Of STP

Gilbert · 7 mi away

0.31 MGD

Ellsworth WWTP

Ellsworth · 9 mi away

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Jewell City Of STP

Jewell · 9 mi away

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Mccallsburg City Of STP

Mccallsburg · 10 mi away

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Radcliffe City Of STP

Radcliffe · 13 mi away

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Stanhope WWTP

Stanhope · 14 mi away

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Zearing City Of STP

Zearing · 15 mi away

0.09 MGD

Story City 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 May 17, 2025.

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

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