Walterboro City Of WWTP
Walterboro, SC · Colleton County · Publicly Owned Treatment Works
- Average flow
- 1.89 MGD
- Design flow
- 2.64 MGD
- NPDES permit
- SC0040436
- Effective
- Permit expires
- September 2026
- Population served
- —
- CWNS 2022
Walterboro City Of WWTP is a publicly owned wastewater treatment works in Walterboro, Colleton County, South Carolina treating an average of 1.89 million gallons per day against a permitted design capacity of 2.64 MGD. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit SC0040436 (effective), which expires in September 2026, with 35 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
- 35
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
16 verified contacts for Walterboro City Of WWTP, with validated emails and direct phone numbers.
Unlock 16 verified contacts (13 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Walterboro City Of WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in South Carolina
Yemassee · 16 mi away
0.12 MGD
Saint George · 21 mi away
0.23 MGD
Beaufort · 23 mi away
0.0016 MGD
Hampton · 25 mi away
0.53 MGD
Harleyville · 26 mi away
0.35 MGD
Branchville · 26 mi away
0.05 MGD
Summerville · 27 mi away
4.8 MGD
Brunson · 30 mi away
0.16 MGD
Walterboro City Of 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.