La Plata WWTF
La Plata, MO · Macon County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- MO0058246
- Administratively continued
- Permit expires
- June 2026
- Population served
- 1,192
- CWNS 2022
La Plata WWTF is a publicly owned wastewater treatment works in La Plata, Macon County, Missouri, serving about 1,192 residents. Treatment on site includes uncovered lagoons, lagoon, anaerobic. It discharges under NPDES permit MO0058246 (administratively continued), which expires in June 2026, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
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.
Key contacts
Decision-makers at La Plata WWTF.
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La Plata 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 April 4, 2025.