Warrenton Pws
Willow Road, Warrenton, MO 63383 · Warren County · Publicly Owned Treatment Works
- Average flow
- 1.36 MGD
- Design flow
- —
- NPDES permit
- MO0087912
- Effective
- Permit expires
- May 2030
- Population served
- 32,199
- CWNS 2022
Warrenton Pws is a publicly owned wastewater treatment plant in Warrenton, Warren County, Missouri treating an average of 1.36 million gallons per day, serving about 32,199 residents. It discharges under NPDES permit MO0087912 (effective), which expires in May 2030, with 24 recorded violations in the last three years.
Treatment technology
7 treatment structures and unit processes identified at Warrenton Pws.
Available with a free Klarifi account
See the full treatment train at Warrenton Pws: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 24
- Effluent violations
- 18
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Warrenton Pws.
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Nearby wastewater treatment plants in Missouri
Wright City · 4 mi away
0.07 MGD
Warrenton · 6 mi away
0.0017 MGD
Hawk Point · 8 mi away
—
Foristell · 9 mi away
0.01 MGD
Jonesburg · 10 mi away
0.08 MGD
Moscow Mills · 13 mi away
0.31 MGD
Truxton · 13 mi away
0.0028 MGD
Troy · 13 mi away
1.44 MGD
Warrenton 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 August 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms