Williamston Big Creek WWTP
Williamston, SC · Anderson County · Publicly Owned Treatment Works
- Average flow
- 0.37 MGD
- Design flow
- 1 MGD
- NPDES permit
- SC0046841
- Effective
- Permit expires
- September 2027
- Population served
- 4,556
- CWNS 2022
Williamston Big Creek WWTP is a publicly owned wastewater treatment works in Williamston, Anderson County, South Carolina treating an average of 0.37 million gallons per day against a permitted design capacity of 1 MGD, serving about 4,556 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons. It discharges under NPDES permit SC0046841 (effective), which expires in September 2027, with 78 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
- 78
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Williamston Big Creek WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Williamston Big Creek WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in South Carolina
Piedmont · 5 mi away
1.5 MGD
Belton · 6 mi away
0.22 MGD
Greenville · 14 mi away
12.8 MGD
Greenville · 15 mi away
1.4 MGD
Liberty · 16 mi away
0.22 MGD
Easley · 17 mi away
0.08 MGD
Easley · 17 mi away
0.33 MGD
Anderson · 17 mi away
3.25 MGD
Williamston Big Creek 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 April 6, 2025.