How much wastewater does Cairo WWTF treat?

Cairo WWTF treats an average of 0.25 MGD.

What treatment technology does Cairo WWTF use?

Klarifi has identified uncovered lagoons, lagoon, facultative at the Cairo facility.

What is the NPDES permit for Cairo WWTF?

The facility discharges under NPDES permit MO0103390, currently administratively continued, expiring March 2022.

Is Cairo WWTF in compliance?

Discharge monitoring reports show 24 violations at Cairo WWTF in the last three years, 24 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Cairo WWTF and how do I contact them?

Cairo WWTF is a publicly owned treatment works in Cairo, Missouri. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Cairo WWTF

Cairo, MO · Randolph County · Publicly Owned Treatment Works

Average flow: 0.25 MGD

Design flow: —

NPDES permit: MO0103390; Administratively continued

Permit expires: March 2022

Population served: 319; CWNS 2022

Cairo WWTF is a publicly owned wastewater treatment works in Cairo, Randolph County, Missouri treating an average of 0.25 million gallons per day, serving about 319 residents. Treatment on site includes uncovered lagoons, lagoon, facultative. It discharges under NPDES permit MO0103390 (administratively continued), which expires in March 2022, with 24 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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Lagoon, Facultative

unit process

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Compliance snapshot (last 3 years)

Total violations: 24

Effluent violations: 24

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

Key contacts

1 verified contact for Cairo WWTF, with validated emails and direct phone numbers.

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

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Huntsville Northeast WWTF

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Huntsville Northwest WWTF

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—

Madison Pws

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Macon WWTP

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Higbee WWTF

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Cairo 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 March 19, 2025.

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