Chapin Sewage System
Hollyoak Ln & I-26, Chapin, SC 29036 · Lexington County · Publicly Owned Treatment Works
- Average flow
- 0.99 MGD
- Design flow
- —
- NPDES permit
- SC0040631
- Administratively continued
- Permit expires
- June 2023
- Population served
- —
- CWNS 2022
Chapin Sewage System is a publicly owned wastewater treatment works in Chapin, Lexington County, South Carolina treating an average of 0.99 million gallons per day. It discharges under NPDES permit SC0040631 (administratively continued), which expires in June 2023, with 2 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Chapin Sewage System.
Available with a free Klarifi account
See the full treatment train at Chapin Sewage System: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Chapin Sewage System, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Chapin Sewage System, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in South Carolina
Prosperity · 12 mi away
0.33 MGD
Winnsboro · 19 mi away
0.58 MGD
Newberry · 20 mi away
2.3 MGD
Ridgeway · 21 mi away
0.08 MGD
Columbia · 23 mi away
27.08 MGD
Columbia · 24 mi away
8.5 MGD
Batesburg · 25 mi away
0.8 MGD
Saluda · 28 mi away
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Chapin Sewage System: 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 August 19, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms