What is the address of Elmo WWTF?

The address on the plant’s EPA facility record is PO Box 193, Elmo, MO 64445, in Nodaway County. Its coordinates are 40.5239, -95.1215. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Elmo WWTF treat?

Elmo WWTF treats an average of 0.03 MGD.

What treatment technology does Elmo WWTF use?

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

What is the NPDES permit for Elmo WWTF?

The facility discharges under NPDES permit MO0094366, currently administratively continued, expiring June 2025.

Is Elmo WWTF in compliance?

Discharge monitoring reports show 3 violations at Elmo WWTF in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Elmo WWTF and how do I contact them?

Elmo WWTF is a publicly owned treatment works in Elmo, Missouri. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Elmo WWTF

PO Box 193, Elmo, MO 64445 · Nodaway County · Publicly Owned Treatment Works

Average flow: 0.03 MGD

Design flow: —

NPDES permit: MO0094366; Administratively continued

Permit expires: June 2025

Population served: 177; CWNS 2022

Elmo WWTF is a publicly owned wastewater treatment works in Elmo, Nodaway County, Missouri treating an average of 0.03 million gallons per day, serving about 177 residents. It discharges under NPDES permit MO0094366 (administratively continued), which expires in June 2025, with 3 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified, 1 planned upgrade on record at Elmo WWTF.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 3

Effluent violations: 3

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

Key contacts

Decision-makers at Elmo WWTF.

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Nearby wastewater treatment plants in Missouri

Clearmont Lagoon

Clearmont · 5 mi away

0.02 MGD

Burlington Jct WWTP

Burlington Junction · 6 mi away

0.01 MGD

Westboro WWTF

Westboro · 11 mi away

—

Tarkio WWTF

Tarkio · 15 mi away

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Hopkins WWTF

Hopkins · 15 mi away

0.21 MGD

Pickering WWTF

Pickering · 16 mi away

0.0033 MGD

Skidmore Wtf

Skidmore · 17 mi away

0.03 MGD

Fairfax Pws

Fairfax · 20 mi away

0.07 MGD

Elmo 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 19, 2026; facility record last updated August 14, 2024.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms

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