Cadiz STP
Cadiz, KY · Trigg County · Publicly Owned Treatment Works
- Average flow
- 0.17 MGD
- Design flow
- 0.59 MGD
- NPDES permit
- KY0026891
- Effective
- Permit expires
- November 2029
- Population served
- 2,590
- CWNS 2022
Cadiz STP is a publicly owned wastewater treatment works in Cadiz, Trigg County, Kentucky treating an average of 0.17 million gallons per day against a permitted design capacity of 0.59 MGD, serving about 2,590 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit KY0026891 (effective), which expires in November 2029, with 16 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
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
1 verified contact for Cadiz STP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Cadiz STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Kentucky
Aurora · 17 mi away
0.04 MGD
Hopkinsville · 18 mi away
2.67 MGD
Eddyville · 20 mi away
0.49 MGD
Kuttawa · 21 mi away
0.08 MGD
Dawson Springs · 22 mi away
0.21 MGD
Crofton · 24 mi away
0.05 MGD
Grand Rivers · 24 mi away
0.13 MGD
Hardin · 26 mi away
0.04 MGD
Cadiz 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 September 11, 2026; facility record last updated August 14, 2026.