Sd No 7 Water Reclamation Plant
Marion, OH · Marion County · Publicly Owned Treatment Works
- Average flow
- 0.53 MGD
- Design flow
- 1.75 MGD
- NPDES permit
- OH0058157
- Administratively continued
- Permit expires
- August 2026
- Population served
- 4,087
- CWNS 2022
Sd No 7 Water Reclamation Plant is a publicly owned wastewater treatment works in Marion, Marion County, Ohio treating an average of 0.53 million gallons per day against a permitted design capacity of 1.75 MGD, serving about 4,087 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit OH0058157 (administratively continued), which expires in August 2026, with 27 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
- 27
- Effluent violations
- 23
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Sd No 7 Water Reclamation Plant, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Sd No 7 Water Reclamation Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Marion · 2 mi away
0.02 MGD
Marion · 3 mi away
0.0031 MGD
Marion · 4 mi away
0.02 MGD
Caledonia · 4 mi away
0.0017 MGD
Marion · 5 mi away
0.0034 MGD
Marion · 6 mi away
4.64 MGD
Marion · 7 mi away
0.03 MGD
Caledonia · 8 mi away
0.03 MGD
Sd No 7 Water Reclamation Plant: 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.