New Memphis Sd STP
New Baden, IL · Clinton County · Publicly Owned Treatment Works
- Average flow
- 0.07 MGD
- Design flow
- 0.14 MGD
- NPDES permit
- IL0076732
- Effective
- Permit expires
- June 2027
- Population served
- 348
- CWNS 2022
New Memphis Sd STP is a publicly owned wastewater treatment works in New Baden, Clinton County, Illinois treating an average of 0.07 million gallons per day against a permitted design capacity of 0.14 MGD, serving about 348 residents. Treatment on site includes covered lagoons. It discharges under NPDES permit IL0076732 (effective), which expires in June 2027, with 13 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Covered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 13
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at New Memphis Sd STP.
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Nearby wastewater treatment plants in Illinois
Albers · 3 mi away
0.03 MGD
New Baden · 4 mi away
0.18 MGD
Albers · 5 mi away
0.09 MGD
Okawville · 6 mi away
0.07 MGD
Germantown · 8 mi away
0.09 MGD
Mascoutah · 8 mi away
0.55 MGD
Trenton · 9 mi away
0.02 MGD
Saint Libory · 9 mi away
0.03 MGD
New Memphis Sd STP: 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 March 28, 2025.