Madison Pws
209 South Main, Madison, MO 65263 · Monroe County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- —
- NPDES permit
- MO0096920
- Effective
- Permit expires
- October 2027
- Population served
- 422
- CWNS 2022
Madison Pws is a publicly owned wastewater treatment plant in Madison, Monroe County, Missouri treating an average of 0.04 million gallons per day, serving about 422 residents. It discharges under NPDES permit MO0096920 (effective), which expires in October 2027, with 0 recorded violations in the last three years.
Treatment technology
4 treatment structures and unit processes identified, 1 planned upgrade on record at Madison Pws.
Available with a free Klarifi account
See the full treatment train at Madison Pws: structures, unit processes and planned upgrades, with exact unit counts.
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 Madison Pws.
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Nearby wastewater treatment plants in Missouri
Moberly · 10 mi away
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Cairo · 12 mi away
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Renick · 14 mi away
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Moberly · 14 mi away
0.25 MGD
Clark · 15 mi away
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Jacksonville · 16 mi away
0.09 MGD
Sturgeon · 17 mi away
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Shelbina · 17 mi away
0.33 MGD
Madison 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 October 26, 2026; facility record last updated April 5, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms