How much wastewater does Cantril City Of STP treat?

Cantril City Of STP is permitted for a design flow of 0.17 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Cantril City Of STP use?

Klarifi has identified uncovered lagoons at the Cantril facility.

What is the NPDES permit for Cantril City Of STP?

The facility discharges under NPDES permit IA0056685, currently administratively continued, expiring November 2015.

Is Cantril City Of STP in compliance?

Discharge monitoring reports show 14 violations at Cantril City Of STP in the last three years, 2 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Cantril City Of STP

Cantril, IA · Van Buren County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.17 MGD

NPDES permit: IA0056685; Administratively continued

Permit expires: November 2015

Population served: 224; CWNS 2022

Cantril City Of STP is a publicly owned wastewater treatment works in Cantril, Van Buren County, Iowa, serving about 224 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IA0056685 (administratively continued), which expires in November 2015, with 14 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Uncovered lagoons

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Compliance snapshot (last 3 years)

Total violations: 14

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 Cantril 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 Cantril City Of STP, plus the full compliance history and discharge data.

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Cantril 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 September 11, 2026; facility record last updated February 13, 2025.

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