Rockport South WWTP
Rockport, IN · Spencer County · Publicly Owned Treatment Works
- Average flow
- 0.22 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- IN0021067
- Effective
- Permit expires
- April 2031
- Population served
- 2,270
- CWNS 2022
Rockport South WWTP is a publicly owned wastewater treatment works in Rockport, Spencer County, Indiana treating an average of 0.22 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 2,270 residents. Treatment on site includes clarifiers. It discharges under NPDES permit IN0021067 (effective), which expires in April 2031, with 5 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 5
- 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 Rockport South WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Rockport South WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Rockport · 2 mi away
0.16 MGD
Grandview · 5 mi away
—
Chrisney · 10 mi away
0.02 MGD
Tennyson · 15 mi away
0.02 MGD
Gentryville · 16 mi away
—
Tell City · 16 mi away
1.28 MGD
Cannelton · 16 mi away
0.09 MGD
Santa Claus · 18 mi away
0.29 MGD
Rockport South 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 September 22, 2025.