Hardin Sewerage Treatment
Harlin Ln Off Hwy 80, Hardin, KY 42048 · Marshall County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- 0.14 MGD
- NPDES permit
- KY0021016
- Administratively continued
- Permit expires
- April 2023
- Population served
- 724
- CWNS 2022
Hardin Sewerage Treatment is a publicly owned wastewater treatment works in Hardin, Marshall County, Kentucky treating an average of 0.08 million gallons per day against a permitted design capacity of 0.14 MGD, serving about 724 residents. It discharges under NPDES permit KY0021016 (administratively continued), which expires in April 2023, with 20 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Hardin Sewerage Treatment.
Available with a free Klarifi account
See the full treatment train at Hardin Sewerage Treatment: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 20
- Effluent violations
- 16
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Hardin Sewerage Treatment, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Hardin Sewerage Treatment, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Kentucky
Benton · 7 mi away
0.79 MGD
Aurora · 9 mi away
0.01 MGD
Murray · 10 mi away
3.39 MGD
Draffenville · 11 mi away
0.08 MGD
Symsonia · 16 mi away
0.08 MGD
Grand Rivers · 18 mi away
0.23 MGD
Hazel · 18 mi away
0.04 MGD
Mayfield · 20 mi away
0.0015 MGD
Hardin Sewerage Treatment: 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 October 12, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms