Harrisonville Pws
Harrisonville, MO · Cass County · Publicly Owned Treatment Works
- Average flow
- 0.84 MGD
- Design flow
- —
- NPDES permit
- MO0028070
- Effective
- Permit expires
- May 2027
- Population served
- 20,000
- CWNS 2022
Harrisonville Pws is a publicly owned wastewater treatment plant in Harrisonville, Cass County, Missouri treating an average of 0.84 million gallons per day, serving about 20,000 residents. Treatment on site includes clarifiers, uncovered lagoons, biogas balloons, biosolids aerobic digestion, screening. It discharges under NPDES permit MO0028070 (effective), which expires in May 2027, with 13 recorded violations in the last three years. Planned upgrades on record: disinfection, uv.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Uncovered lagoons
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Biogas balloons
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Biosolids Aerobic Digestion
unit processScreening
unit processDisinfection, UV
planned upgradeUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 13
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Harrisonville Pws, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Harrisonville Pws, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Missouri
Peculiar · 5 mi away
0.36 MGD
East Lynne · 8 mi away
0.02 MGD
Pleasant Hill · 11 mi away
1.53 MGD
Archie · 11 mi away
0.02 MGD
Cleveland · 12 mi away
0.49 MGD
Greenwood · 17 mi away
0.006 MGD
Lake Lotawana · 17 mi away
0.05 MGD
Kingsville · 17 mi away
0.0075 MGD
Harrisonville 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 August 6, 2026.