Walterboro City Of WWTP
End Of Sr 393 & W Of Sc 303, Walterboro, SC 29488 · Colleton County · Publicly Owned Treatment Works
- Average flow
- 1.25 MGD
- Design flow
- 2.64 MGD
- NPDES permit
- SC0040436
- Administratively continued
- 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 1.25 million gallons per day against a permitted design capacity of 2.64 MGD. It discharges under NPDES permit SC0040436 (administratively continued), which expires in September 2026, with 35 recorded violations in the last three years. EPA has recorded 5 formal enforcement actions naming the plant, the latest in April 2008.
Treatment technology
Treatment structures and unit processes at Walterboro City Of WWTP.
Treatment structure data not yet analyzed for this facility.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Walterboro City Of WWTP in EPA's ICIS system.
- Formal actions
- 5
- 0 since FY2020
- Penalties assessed
- $8,475
- all cases
- Compliance actions
- $20,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Apr 2008
WALTERBORO, CITY OF (WWTP)
Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication · Compliance actions $8,000
Source: EPA ECHO, civil enforcement case 04-2006-4785.
Full case history with a free Klarifi account
Every action against Walterboro City Of WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
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
0.37 MGD
Beaufort · 23 mi away
0.0014 MGD
Hampton · 25 mi away
0.55 MGD
Harleyville · 26 mi away
0.09 MGD
Branchville · 26 mi away
0.08 MGD
Summerville · 27 mi away
4.75 MGD
Brunson · 30 mi away
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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 October 26, 2026; facility record last updated October 8, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms