South Coastal STP
Frankford, DE · Sussex County · Publicly Owned Treatment Works
- Average flow
- 6.38 MGD
- Design flow
- —
- NPDES permit
- 3604680745
- Effective
- Permit expires
- December 2030
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Contacts for South Coastal STP are available in the Klarifi platform.
Unlock contacts for this facility
Names, validated emails and direct phone numbers for decision-makers at South Coastal STP — plus full compliance history and discharge data.
Try Klarifi freeNearby wastewater treatment plants in Delaware
Selbyville · 8 mi away
1.25 MGD
Lewes · 18 mi away
1.24 MGD
Milton · 21 mi away
0.27 MGD
Laurel · 27 mi away
0.53 MGD
Seaford · 30 mi away
1.61 MGD
Port Penn · 73 mi away
0.04 MGD
Delaware City · 78 mi away
0.62 MGD
Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated February 2025.