Prestonsburg STP
Prestonsburg, KY · Floyd County · Publicly Owned Treatment Works
- Average flow
- 0.63 MGD
- Design flow
- 0.75 MGD
- NPDES permit
- KY0027413
- Effective
- Permit expires
- August 2031
- Population served
- 8,187
- CWNS 2022
Prestonsburg STP is a publicly owned wastewater treatment works in Prestonsburg, Floyd County, Kentucky treating an average of 0.63 million gallons per day against a permitted design capacity of 0.75 MGD, serving about 8,187 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit KY0027413 (effective), which expires in August 2031, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Prestonsburg STP.
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Nearby wastewater treatment plants in Kentucky
Martin · 8 mi away
0.07 MGD
Paintsville · 9 mi away
0.72 MGD
Eastern · 12 mi away
0.004 MGD
Betsy Layne · 13 mi away
0.08 MGD
Wayland · 17 mi away
0.02 MGD
Inez · 18 mi away
0.09 MGD
Salyersville · 18 mi away
0.06 MGD
Raccoon · 22 mi away
0.002 MGD
Prestonsburg 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 26, 2025.