Lake Adelle Sewer District WWTF
Cedar Hill, MO · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 0.007 MGD
- Design flow
- —
- NPDES permit
- MO0053708
- Effective
- Permit expires
- May 2029
- Population served
- 1,625
- CWNS 2022
Lake Adelle Sewer District WWTF is a publicly owned wastewater treatment works in Cedar Hill, Jefferson County, Missouri treating an average of 0.007 million gallons per day, serving about 1,625 residents. Treatment on site includes dechlorination, disinfection, chlorine/ chloramine, lagoon, aerobic. It discharges under NPDES permit MO0053708 (effective), which expires in May 2029, with 3 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Dechlorination
unit processDisinfection, chlorine/ chloramine
unit processLagoon, Aerobic
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Lake Adelle Sewer District WWTF.
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Nearby wastewater treatment plants in Missouri
Cedar Hill · 1 mi away
0.02 MGD
Cedar Hill · 3 mi away
0.009 MGD
Hillsboro · 3 mi away
0.02 MGD
Cedar Hill · 3 mi away
0.01 MGD
Hillsboro · 5 mi away
0.22 MGD
Hillsboro · 6 mi away
0.18 MGD
House Springs · 6 mi away
0.007 MGD
Hillsboro · 7 mi away
0.28 MGD
Lake Adelle Sewer District 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.