How much wastewater does Ekalaka WWTF treat?

Ekalaka WWTF treats an average of 0.0019 MGD.

What treatment technology does Ekalaka WWTF use?

Klarifi has identified aerated lagoons at the Ekalaka facility.

What is the NPDES permit for Ekalaka WWTF?

The facility discharges under NPDES permit MT0020371, currently effective, expiring November 2026.

Is Ekalaka WWTF in compliance?

Discharge monitoring reports show 105 violations at Ekalaka WWTF in the last three years, 29 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Ekalaka WWTF and how do I contact them?

Ekalaka WWTF is a publicly owned treatment works in Ekalaka, Montana. Klarifi lists 2 verified decision-maker contacts for this facility, available with a free trial.

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Ekalaka WWTF

Ekalaka, MT · Carter County · Publicly Owned Treatment Works

Average flow: 0.0019 MGD

Design flow: —

NPDES permit: MT0020371; Effective

Permit expires: November 2026

Population served: 603; CWNS 2022

Ekalaka WWTF is a publicly owned wastewater treatment works in Ekalaka, Carter County, Montana treating an average of 0.0019 million gallons per day, serving about 603 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit MT0020371 (effective), which expires in November 2026, with 105 recorded violations in the last three years.

Treatment technology

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

Aerated lagoons

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Compliance snapshot (last 3 years)

Total violations: 105

Effluent violations: 29

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

Key contacts

2 verified contacts for Ekalaka WWTF, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Ekalaka WWTF, plus the full compliance history and discharge data.

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Town Of Broadus WWTF

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Miles City WWTP

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Town Of Terry WWTF

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City Of Glendive Water Resource & Recovery Facility

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Northern Cheyenne Utility Commission Wastewater Treatment Plant

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Forsyth WWTP

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Crow Agency Lagoon

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Ekalaka WWTF: 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 9, 2025.

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