Cassville WWTP
Cassville, MO · Barry County · Publicly Owned Treatment Works
- Average flow
- 0.41 MGD
- Design flow
- —
- NPDES permit
- MO0042579
- Effective
- Permit expires
- March 2026
- Population served
- 8,630
- CWNS 2022
Cassville WWTP is a publicly owned wastewater treatment works in Cassville, Barry County, Missouri treating an average of 0.41 million gallons per day, serving about 8,630 residents. Treatment on site includes biological p removal, biological treatment, other, biosolids aerobic digestion, chemical p removal, disinfection, uv and other unit processes. It discharges under NPDES permit MO0042579 (effective), which expires in March 2026, with 3 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biological P removal
unit processBiological Treatment, Other
unit processBiosolids Aerobic Digestion
unit processChemical P Removal
unit processDisinfection, UV
unit processFlow Equalization
unit processScreening
unit processUnlock exact unit counts →
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 Cassville WWTP.
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Nearby wastewater treatment plants in Missouri
Exeter · 5 mi away
0.11 MGD
Cassville · 5 mi away
0.02 MGD
Seligman · 13 mi away
—
Monett · 16 mi away
2.5 MGD
Verona · 19 mi away
0.09 MGD
Pierce City · 19 mi away
0.25 MGD
Stella · 19 mi away
—
Aurora · 20 mi away
0.79 MGD
Cassville WWTP: 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 September 4, 2024.