What is the address of Cairo WWTF?

The address on the plant’s EPA facility record is Rt K E Of Hwy 63, Cairo, MO 65239, in Randolph County. Its coordinates are 39.5176, -92.4267. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Cairo WWTF treat?

Cairo WWTF treats an average of 0.28 MGD.

What treatment technology does Cairo WWTF use?

Klarifi has identified 2 treatment structures and unit processes at the Cairo facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

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 23 violations at Cairo WWTF in the last three years, 23 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

Rt K E Of Hwy 63, Cairo, MO 65239 · Randolph County · Publicly Owned Treatment Works

Average flow: 0.28 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 0.28 million gallons per day, serving about 319 residents. It discharges under NPDES permit MO0103390 (administratively continued), which expires in March 2022, with 23 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Cairo WWTF.

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See the full treatment train at Cairo WWTF: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 23

Effluent violations: 23

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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Nearby wastewater treatment plants in Missouri

Jacksonville WWTF

Jacksonville · 5 mi away

0.09 MGD

Moberly WWTP

Moberly · 7 mi away

2.08 MGD

Huntsville Northeast WWTF

Huntsville · 8 mi away

0.0037 MGD

Huntsville Northwest WWTF

Huntsville · 9 mi away

0.14 MGD

Moberly Correctional Center WWTF

Moberly · 11 mi away

0.25 MGD

Renick WWTF

Renick · 11 mi away

—

Madison Pws

Madison · 12 mi away

0.04 MGD

Macon WWTP

Macon · 15 mi away

1.33 MGD

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 October 26, 2026; facility record last updated March 19, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms

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