Knob Noster WWTF
West Terminus Of County Road 75, Knob Noster, MO 65336 · Johnson County · Publicly Owned Treatment Works
- Average flow
- 0.34 MGD
- Design flow
- —
- NPDES permit
- MO0048712
- Effective
- Permit expires
- February 2029
- Population served
- 2,769
- CWNS 2022
Knob Noster WWTF is a publicly owned wastewater treatment works in Knob Noster, Johnson County, Missouri treating an average of 0.34 million gallons per day, serving about 2,769 residents. It discharges under NPDES permit MO0048712 (effective), which expires in February 2029, with 44 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Knob Noster WWTF.
Available with a free Klarifi account
See the full treatment train at Knob Noster WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 44
- Effluent violations
- 20
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Knob Noster WWTF.
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La Monte · 9 mi away
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Warrensburg · 9 mi away
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Green Ridge · 13 mi away
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Concordia · 13 mi away
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Centerview · 14 mi away
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Knob Noster 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 July 18, 2023.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms