Hartsville WWTF
Hartsville, SC · Darlington County · Publicly Owned Treatment Works
- Average flow
- 1.03 MGD
- Design flow
- 3.5 MGD
- NPDES permit
- SC0021580
- Effective
- Permit expires
- June 2027
- Population served
- —
- CWNS 2022
Hartsville WWTF is a publicly owned wastewater treatment works in Hartsville, Darlington County, South Carolina treating an average of 1.03 million gallons per day against a permitted design capacity of 3.5 MGD. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons. It discharges under NPDES permit SC0021580 (effective), which expires in June 2027, with 8 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
- 8
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
23 verified contacts for Hartsville WWTF, with validated emails and direct phone numbers.
Unlock 23 verified contacts (20 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Hartsville WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in South Carolina
Darlington · 10 mi away
0.54 MGD
Lamar · 16 mi away
0.17 MGD
Timmonsville · 20 mi away
0.51 MGD
Cheraw · 21 mi away
1.49 MGD
Florence · 22 mi away
10.19 MGD
Bennettsville · 23 mi away
1.27 MGD
Lynchburg · 23 mi away
0.04 MGD
Jefferson · 27 mi away
0.06 MGD
Hartsville 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 May 22, 2025.