Walton STP
240 Stephenson Mill Rd, Walton, KY 41094 · Boone County · Publicly Owned Treatment Works
- Average flow
- 0.72 MGD
- Design flow
- 0.85 MGD
- NPDES permit
- KY0039756
- Effective
- Permit expires
- November 2029
- Population served
- 3,510
- CWNS 2022
Walton STP is a publicly owned wastewater treatment works in Walton, Boone County, Kentucky treating an average of 0.72 million gallons per day against a permitted design capacity of 0.85 MGD, serving about 3,510 residents. It discharges under NPDES permit KY0039756 (effective), which expires in November 2029, with 1 recorded violation in the last three years.
Treatment technology
One treatment structure or unit process identified at Walton STP.
Available with a free Klarifi account
See the full treatment train at Walton STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Walton STP.
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Nearby wastewater treatment plants in Kentucky
Dry Ridge · 7 mi away
0.22 MGD
Glencoe · 11 mi away
0.01 MGD
Butler · 14 mi away
0.04 MGD
Williamstown · 16 mi away
0.75 MGD
Warsaw · 16 mi away
0.2 MGD
Falmouth · 20 mi away
0.44 MGD
Corinth · 25 mi away
0.02 MGD
Carrollton · 30 mi away
1.15 MGD
Walton 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 March 9, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms