What is the address of Modale, City Of STP?

The address on the plant’s EPA facility record is 0.4 Miles NW Of Intersection F50 And Fowler Ave, Modale, IA 51556, in Harrison County. Its coordinates are 41.6246, -95.9961. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Modale, City Of STP use?

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

What is the NPDES permit for Modale, City Of STP?

The facility discharges under NPDES permit IA0081051, currently administratively continued, expiring June 2019.

Is Modale, City Of STP in compliance?

Discharge monitoring reports show no violations at Modale, City Of STP in the last three years.

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

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

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Modale, City Of STP

0.4 Miles NW Of Intersection F50 And Fowler Ave, Modale, IA 51556 · Harrison County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0081051; Administratively continued

Permit expires: June 2019

Population served: —; CWNS 2022

Modale, City Of STP is a publicly owned wastewater treatment works in Modale, Harrison County, Iowa. It discharges under NPDES permit IA0081051 (administratively continued), which expires in June 2019, with 0 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

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

Key contacts

Decision-makers at Modale, City Of STP.

No verified contacts on file yet

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Modale, 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 September 17, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms

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