Derek R Guthrie WQTC MSD
Louisville, KY · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 39.73 MGD
- Design flow
- 60 MGD
- NPDES permit
- KY0078956
- Effective
- Permit expires
- April 2031
- Population served
- 109,588
- CWNS 2022
Derek R Guthrie WQTC MSD is a publicly owned wastewater treatment plant in Louisville, Jefferson County, Kentucky treating an average of 39.73 million gallons per day against a permitted design capacity of 60 MGD, serving about 109,588 residents. Treatment on site includes clarifiers. It discharges under NPDES permit KY0078956 (effective), which expires in April 2031, with 16 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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Compliance snapshot (last 3 years)
- Total violations
- 16
- Effluent violations
- 16
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
7 verified contacts for Derek R Guthrie WQTC MSD, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Derek R Guthrie WQTC MSD, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Kentucky
West Point · 7 mi away
0.09 MGD
Shepherdsville · 10 mi away
0.0031 MGD
Louisville · 10 mi away
56.18 MGD
Brooks · 11 mi away
0.05 MGD
Shepherdsville · 11 mi away
0.06 MGD
Fort Knox · 13 mi away
1.64 MGD
Brandenburg · 15 mi away
0.22 MGD
Radcliff · 16 mi away
1.86 MGD
Derek R Guthrie WQTC MSD: 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 May 18, 2025.