London STP
236 Lagoon Trails, London, KY 40741 · Laurel County · Publicly Owned Treatment Works
- Average flow
- 3.07 MGD
- Design flow
- 5 MGD
- NPDES permit
- KY0021270
- Effective
- Permit expires
- May 2030
- Population served
- 22,319
- CWNS 2022
London STP is a publicly owned wastewater treatment works in London, Laurel County, Kentucky treating an average of 3.07 million gallons per day against a permitted design capacity of 5 MGD, serving about 22,319 residents. It discharges under NPDES permit KY0021270 (effective), which expires in May 2030, with 19 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at London STP.
Available with a free Klarifi account
See the full treatment train at London STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 19
- Effluent violations
- 19
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at London STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Kentucky
Corbin · 11 mi away
2.61 MGD
Mckee · 23 mi away
0.27 MGD
Mount Vernon · 23 mi away
0.4 MGD
Brodhead · 28 mi away
0.19 MGD
Pineville · 30 mi away
0.5 MGD
Science Hill · 32 mi away
0.05 MGD
Booneville · 34 mi away
0.21 MGD
Crab Orchard · 34 mi away
0.1 MGD
London 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 October 26, 2026; facility record last updated October 8, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms