St. Thomas WWTP
225 Wolfpass Lane, St. Thomas, MO 65076 · Cole County · Publicly Owned Treatment Works
- Average flow
- 0.009 MGD
- Design flow
- —
- NPDES permit
- MO0133001
- Effective
- Permit expires
- October 2027
- Population served
- 292
- CWNS 2022
St. Thomas WWTP is a publicly owned wastewater treatment works in St. Thomas, Cole County, Missouri treating an average of 0.009 million gallons per day, serving about 292 residents. It discharges under NPDES permit MO0133001 (effective), which expires in October 2027, with 12 recorded violations in the last three years.
Treatment technology
4 treatment structures and unit processes identified at St. Thomas WWTP.
Available with a free Klarifi account
See the full treatment train at St. Thomas WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 12
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at St. Thomas WWTP.
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Nearby wastewater treatment plants in Missouri
Westphalia · 13 mi away
0.02 MGD
Lohman · 14 mi away
0.02 MGD
Jefferson City · 15 mi away
0.45 MGD
Jefferson City · 15 mi away
7.03 MGD
Russellville · 15 mi away
0.08 MGD
Tuscumbia · 16 mi away
0.00062 MGD
Freeburg · 17 mi away
0.92 MGD
Vienna · 18 mi away
0.19 MGD
St. Thomas WWTP: 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 12, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms