Monett Wastewater Treatment Plant
Monett, MO · Barry County · Publicly Owned Treatment Works
- Average flow
- 2.5 MGD
- Design flow
- —
- NPDES permit
- MO0021440
- Effective
- Permit expires
- June 2029
- Population served
- 75,312
- CWNS 2022
Monett Wastewater Treatment Plant is a publicly owned wastewater treatment works in Monett, Barry County, Missouri treating an average of 2.5 million gallons per day, serving about 75,312 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biological treatment, other, biosolids aerobic digestion, biosolids drying and other unit processes. It discharges under NPDES permit MO0021440 (effective), which expires in June 2029, with 17 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Carrousels / oxidation ditches
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Biological Treatment, Other
unit processBiosolids Aerobic Digestion
unit processBiosolids Drying
unit processDisinfection, UV
unit processScreening
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Compliance snapshot (last 3 years)
- Total violations
- 17
- Effluent violations
- 17
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Monett Wastewater Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Monett Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Missouri
Pierce City · 4 mi away
0.25 MGD
Verona · 8 mi away
0.09 MGD
Wentworth · 9 mi away
0.01 MGD
Cassville · 12 mi away
0.02 MGD
Aurora · 12 mi away
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Mount Vernon · 14 mi away
0.59 MGD
Sarcoxie · 15 mi away
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Cassville · 16 mi away
0.41 MGD
Monett Wastewater Treatment Plant: 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 August 3, 2026.