Windsor Southwest WWTF
Windsor, MO · Henry County · Publicly Owned Treatment Works
- Average flow
- 0.65 MGD
- Design flow
- —
- NPDES permit
- MO0047325
- Administratively continued
- Permit expires
- March 2026
- Population served
- 1,803
- CWNS 2022
Windsor Southwest WWTF is a publicly owned wastewater treatment works in Windsor, Henry County, Missouri treating an average of 0.65 million gallons per day, serving about 1,803 residents. Treatment on site includes lagoon, facultative. It discharges under NPDES permit MO0047325 (administratively continued), which expires in March 2026, with 73 recorded violations in the last three years. Planned upgrades on record: attached growth, aerobic, disinfection, uv.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Lagoon, Facultative
unit processAttached Growth, Aerobic
planned upgradeDisinfection, UV
planned upgradeUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 73
- Effluent violations
- 51
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Windsor Southwest WWTF.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Missouri
Calhoun · 5 mi away
0.02 MGD
Green Ridge · 10 mi away
0.0016 MGD
Ionia · 12 mi away
0.0046 MGD
Clinton · 16 mi away
1.09 MGD
Cole Camp · 17 mi away
0.1 MGD
La Monte · 19 mi away
0.02 MGD
Chilhowee · 19 mi away
0.004 MGD
Sedalia · 20 mi away
1.28 MGD
Windsor Southwest 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 September 11, 2026; facility record last updated September 6, 2024.