Harrodsburg WWTP Expansion
Harrodsburg, KY · Mercer County · Publicly Owned Treatment Works
- Average flow
- 1.39 MGD
- Design flow
- 3.5 MGD
- NPDES permit
- KY0027421
- Effective
- Permit expires
- December 2027
- Population served
- 8,802
- CWNS 2022
Harrodsburg WWTP Expansion is a publicly owned wastewater treatment works in Harrodsburg, Mercer County, Kentucky treating an average of 1.39 million gallons per day against a permitted design capacity of 3.5 MGD, serving about 8,802 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, carrousels / oxidation ditches, biosolids drying and other unit processes. It discharges under NPDES permit KY0027421 (effective), which expires in December 2027, with 75 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Aerated lagoons
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Uncovered lagoons
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Carrousels / oxidation ditches
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Biosolids Drying
unit processDechlorination
unit processDisinfection, chlorine/ chloramine
unit processSuspended Growth, Aerobic
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Compliance snapshot (last 3 years)
- Total violations
- 75
- Effluent violations
- 75
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Harrodsburg WWTP Expansion, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Harrodsburg WWTP Expansion, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Kentucky
Harrodsburg · 9 mi away
0.0054 MGD
Wilmore · 13 mi away
0.41 MGD
Springfield · 21 mi away
0.65 MGD
Frankfort · 25 mi away
—
Bradfordsville · 25 mi away
0.009 MGD
Frankfort · 25 mi away
0.04 MGD
Bloomfield · 27 mi away
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Richmond · 28 mi away
0.2 MGD
Harrodsburg WWTP Expansion: 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 March 30, 2025.