Vandalia WWTF
Rural Route, Vandalia, MO 63382 · Audrain County · Publicly Owned Treatment Works
- Average flow
- 1.84 MGD
- Design flow
- —
- NPDES permit
- MO0026361
- Administratively continued
- Permit expires
- December 2025
- Population served
- 3,903
- CWNS 2022
Vandalia WWTF is a publicly owned wastewater treatment works in Vandalia, Audrain County, Missouri treating an average of 1.84 million gallons per day, serving about 3,903 residents. It discharges under NPDES permit MO0026361 (administratively continued), which expires in December 2025, with 24 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified, 1 planned upgrade on record at Vandalia WWTF.
Available with a free Klarifi account
See the full treatment train at Vandalia WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 24
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Vandalia WWTF.
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Nearby wastewater treatment plants in Missouri
Farber · 6 mi away
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Curryville · 7 mi away
0.0051 MGD
Laddonia · 11 mi away
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Perry · 13 mi away
0.13 MGD
Center · 13 mi away
0.06 MGD
Bowling Green · 14 mi away
0.57 MGD
Frankford · 14 mi away
0.02 MGD
Middletown · 15 mi away
0.03 MGD
Vandalia 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 26, 2026; facility record last updated August 14, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms