Clio WWTF
Clio, SC · Marlboro County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- SC0040606
- Administratively continued
- Permit expires
- August 2016
- Population served
- —
- CWNS 2022
Clio WWTF is a publicly owned wastewater treatment works in Clio, Marlboro County, South Carolina. Treatment on site includes aerated lagoons. It discharges under NPDES permit SC0040606 (administratively continued), which expires in August 2016, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 1
- 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 Clio WWTF.
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Clio 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 November 6, 2025.