Pleasant Hill Pws
Pleasant Hill, MO · Cass County · Publicly Owned Treatment Works
- Average flow
- 1.53 MGD
- Design flow
- —
- NPDES permit
- MO0058629
- Effective
- Permit expires
- March 2026
- Population served
- 21,568
- CWNS 2022
Pleasant Hill Pws is a publicly owned wastewater treatment plant in Pleasant Hill, Cass County, Missouri treating an average of 1.53 million gallons per day, serving about 21,568 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, biological treatment, other, disinfection, uv and other unit processes. It discharges under NPDES permit MO0058629 (effective), which expires in March 2026, with 0 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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Aerated lagoons
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Uncovered lagoons
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Biological Treatment, Other
unit processDisinfection, UV
unit processScreening
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Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Pleasant Hill Pws.
No verified contacts on file yet
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Peculiar · 10 mi away
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Kingsville · 11 mi away
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Harrisonville · 11 mi away
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Pleasant Hill Pws: 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 April 24, 2025.