Sccpwsd#2, Castlegate Mhp And Providence
Wentzville, MO 63385 · St Charles County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- —
- NPDES permit
- MO0057801
- Administratively continued
- Permit expires
- March 2025
- Population served
- 500
- CWNS 2022
Sccpwsd#2, Castlegate Mhp And Providence is a publicly owned wastewater treatment plant in Wentzville, St Charles County, Missouri treating an average of 0.02 million gallons per day, serving about 500 residents. It discharges under NPDES permit MO0057801 (administratively continued), which expires in March 2025, with 0 recorded violations in the last three years.
Treatment technology
5 treatment structures and unit processes identified at Sccpwsd#2, Castlegate Mhp And Providence.
Available with a free Klarifi account
See the full treatment train at Sccpwsd#2, Castlegate Mhp And Providence: 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.
Capital improvement projects in Wentzville
Wentzville's capital improvement plan lists 57 water, sewer and wastewater line items worth $54M starting 2025–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Wentzville →
| Project | Budget | Years |
|---|---|---|
| Waterline Extensions and Replacement | $13,450,000 | 2025–2028 |
| Deep Aquifer Water Well and Storage | $12,000,000 | 2025–2026 |
| New Water Storage Tank with Water Main Improvements | $9,000,000 | 2025–2026 |
| 2-MG GM Ground Storage Tank Coating Interior and Booster Pump Rebuild | $3,400,000 | 2025–2026 |
| Bypass Trunk Relief | $2,300,000 | 2025–2026 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
Decision-makers at Sccpwsd#2, Castlegate Mhp And Providence.
No verified contacts on file yet
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Nearby wastewater treatment plants in Missouri
Wentzville · 1 mi away
0.01 MGD
Wentzville · 3 mi away
0.74 MGD
New Melle · 4 mi away
0.0033 MGD
New Melle · 4 mi away
0.01 MGD
Foristell · 5 mi away
0.01 MGD
Wentzville · 6 mi away
4.64 MGD
St. Charles · 10 mi away
0.0087 MGD
O'Fallon · 10 mi away
0.13 MGD
Sccpwsd#2, Castlegate Mhp And Providence: 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 September 6, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms