Copperhill STP
160 Main Street, Copperhill, TN 37317 · Polk County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.7 MGD
- NPDES permit
- TN0024449
- Effective
- Permit expires
- October 2026
- Population served
- 14,535
- CWNS 2022
Copperhill STP is a publicly owned wastewater treatment works in Copperhill, Polk County, Tennessee, serving about 14,535 residents. It discharges under NPDES permit TN0024449 (effective), which expires in October 2026, with 0 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Copperhill STP.
Available with a free Klarifi account
See the full treatment train at Copperhill STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Copperhill STP.
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Nearby wastewater treatment plants in Tennessee
Benton · 20 mi away
0.12 MGD
Etowah · 22 mi away
0.97 MGD
Tellico Plains · 27 mi away
0.09 MGD
Calhoun · 29 mi away
0.0032 MGD
Englewood · 30 mi away
0.12 MGD
Charleston · 32 mi away
8.48 MGD
Riceville · 37 mi away
0.0034 MGD
Niota · 37 mi away
0.11 MGD
Copperhill 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 May 25, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms