Lenoir City STP
200 Depot St, Lenoir City, TN 37771 · Loudon County · Publicly Owned Treatment Works
- Average flow
- 1.78 MGD
- Design flow
- 3 MGD
- NPDES permit
- TN0020494
- Effective
- Permit expires
- July 2031
- Population served
- 17,047
- CWNS 2022
Lenoir City STP is a publicly owned wastewater treatment works in Lenoir City, Loudon County, Tennessee treating an average of 1.78 million gallons per day against a permitted design capacity of 3 MGD, serving about 17,047 residents. It discharges under NPDES permit TN0020494 (effective), which expires in July 2031, with 11 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Lenoir City STP.
Available with a free Klarifi account
See the full treatment train at Lenoir City STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 11
- Effluent violations
- 11
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Lenoir City STP, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Lenoir City STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Tennessee
Knoxville · 8 mi away
4.07 MGD
Knoxville · 10 mi away
8.49 MGD
Vonore · 12 mi away
0.31 MGD
Vonore · 13 mi away
0.56 MGD
Oak Ridge · 14 mi away
4.37 MGD
Kingston · 15 mi away
0.52 MGD
Maryville · 15 mi away
—
Oliver Springs · 16 mi away
0.56 MGD
Lenoir City 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 October 10, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms