Sidney WWTP
Sidney, OH · Shelby County · Publicly Owned Treatment Works
- Average flow
- 3.42 MGD
- Design flow
- 7 MGD
- NPDES permit
- OH0027421
- Effective
- Permit expires
- December 2027
- Population served
- 20,729
- CWNS 2022
Sidney WWTP is a publicly owned wastewater treatment works in Sidney, Shelby County, Ohio treating an average of 3.42 million gallons per day against a permitted design capacity of 7 MGD, serving about 20,729 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit OH0027421 (effective), which expires in December 2027, with 10 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
- 10
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
4 verified contacts for Sidney WWTP, with validated emails and direct phone numbers.
Unlock 4 verified contacts (1 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Sidney WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Sidney · 2 mi away
0.0055 MGD
Sidney · 5 mi away
0.03 MGD
Anna · 9 mi away
0.14 MGD
Quincy · 10 mi away
0.14 MGD
Piqua · 11 mi away
2.18 MGD
Botkins · 13 mi away
0.14 MGD
Minster · 13 mi away
0.27 MGD
Jackson Center · 13 mi away
0.16 MGD
Sidney 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 August 5, 2026.