Pickens Co 18 Mile Creek Upper WWTP
Liberty, SC · Pickens County · Publicly Owned Treatment Works
- Average flow
- 0.22 MGD
- Design flow
- 1 MGD
- NPDES permit
- SC0042994
- Administratively continued
- Permit expires
- August 2024
- Population served
- —
- CWNS 2022
Pickens Co 18 Mile Creek Upper WWTP is a publicly owned wastewater treatment works in Liberty, Pickens County, South Carolina treating an average of 0.22 million gallons per day against a permitted design capacity of 1 MGD. It discharges under NPDES permit SC0042994 (administratively continued), which expires in August 2024, with 20 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 20
- Effluent violations
- 20
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Pickens Co 18 Mile Creek Upper WWTP.
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Nearby wastewater treatment plants in South Carolina
Norris · 5 mi away
0.0082 MGD
Liberty · 6 mi away
0.08 MGD
Easley · 7 mi away
0.08 MGD
Easley · 8 mi away
0.33 MGD
Clemson · 9 mi away
0.93 MGD
Pendleton · 11 mi away
—
Greenville · 12 mi away
1.4 MGD
Piedmont · 14 mi away
1.5 MGD
Pickens Co 18 Mile Creek Upper WWTP: 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 December 20, 2025.