Monticello STP
Twin Oaks Rd Off Hwy 90, Monticello, KY 42633 · Wayne County · Publicly Owned Treatment Works
- Average flow
- 0.53 MGD
- Design flow
- 1.4 MGD
- NPDES permit
- KY0033847
- Effective
- Permit expires
- March 2030
- Population served
- 6,137
- CWNS 2022
Monticello STP is a publicly owned wastewater treatment works in Monticello, Wayne County, Kentucky treating an average of 0.53 million gallons per day against a permitted design capacity of 1.4 MGD, serving about 6,137 residents. It discharges under NPDES permit KY0033847 (effective), which expires in March 2030, with 7 recorded violations in the last three years.
Treatment technology
5 treatment structures and unit processes identified at Monticello STP.
Available with a free Klarifi account
See the full treatment train at Monticello STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Monticello STP.
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Nearby wastewater treatment plants in Kentucky
Albany · 20 mi away
0.25 MGD
Stearns · 23 mi away
0.51 MGD
Burkesville · 27 mi away
0.32 MGD
Science Hill · 28 mi away
0.05 MGD
Columbia · 31 mi away
0.72 MGD
Liberty · 35 mi away
0.7 MGD
Edmonton · 43 mi away
0.24 MGD
Corbin · 44 mi away
2.61 MGD
Monticello 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 November 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms