What is the address of Gilmore City, City Of STP?

The address on the plant’s EPA facility record is 520th & Gilmore St, Gilmore City, IA 50541, in Pocahontas County. Its coordinates are 42.7302, -94.4567. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Gilmore City, City Of STP treat?

Gilmore City, City Of STP treats an average of 0.08 MGD and is permitted for a design flow of 0.12 MGD.

What treatment technology does Gilmore City, City Of STP use?

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

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

The facility discharges under NPDES permit IA0031194, currently administratively continued, expiring October 2018.

Is Gilmore City, City Of STP in compliance?

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

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

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

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Gilmore City, City Of STP

520th & Gilmore St, Gilmore City, IA 50541 · Pocahontas County · Publicly Owned Treatment Works

Average flow: 0.08 MGD

Design flow: 0.12 MGD

NPDES permit: IA0031194; Administratively continued

Permit expires: October 2018

Population served: 487; CWNS 2022

Gilmore City, City Of STP is a publicly owned wastewater treatment works in Gilmore City, Pocahontas County, Iowa treating an average of 0.08 million gallons per day against a permitted design capacity of 0.12 MGD, serving about 487 residents. It discharges under NPDES permit IA0031194 (administratively continued), which expires in October 2018, with 0 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

See the full treatment train at Gilmore 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: 0

Effluent violations: 0

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

Key contacts

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

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Gilmore 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 February 9, 2025.

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

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