Butler STP
Butler, KY · Pendleton County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.14 MGD
- NPDES permit
- KY0021041
- Administratively continued
- Permit expires
- July 2026
- Population served
- 829
- CWNS 2022
Butler STP is a publicly owned wastewater treatment works in Butler, Pendleton County, Kentucky treating an average of 0.04 million gallons per day against a permitted design capacity of 0.14 MGD, serving about 829 residents. It discharges under NPDES permit KY0021041 (administratively continued), which expires in July 2026, with 52 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 52
- Effluent violations
- 52
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Butler STP.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Kentucky
Falmouth · 7 mi away
0.25 MGD
Dry Ridge · 13 mi away
0.19 MGD
Walton · 14 mi away
0.68 MGD
Williamstown · 17 mi away
0.67 MGD
Glencoe · 22 mi away
0.009 MGD
Corinth · 22 mi away
0.02 MGD
Mount Olivet · 25 mi away
0.02 MGD
Cynthiana · 28 mi away
0.93 MGD
Butler STP: 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 November 7, 2025.