La Monte SE WWTF
La Monte, MO · Pettis County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- —
- NPDES permit
- MO0108081
- Administratively continued
- Permit expires
- December 2025
- Population served
- 1,100
- CWNS 2022
La Monte SE WWTF is a publicly owned wastewater treatment works in La Monte, Pettis County, Missouri treating an average of 0.02 million gallons per day, serving about 1,100 residents. Treatment on site includes lagoon, facultative. It discharges under NPDES permit MO0108081 (administratively continued), which expires in December 2025, with 13 recorded violations in the last three years. Planned upgrades on record: biological treatment, other, disinfection, uv.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Lagoon, Facultative
unit processBiological Treatment, Other
planned upgradeDisinfection, UV
planned upgradeUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 13
- Effluent violations
- 13
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at La Monte SE WWTF.
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La Monte SE 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 August 14, 2024.