Hallsdale-Powell Raccoon Valley STP
9400 Diggs Gap Road, Heiskell, TN 37754 · Knox County · Publicly Owned Treatment Works
- Average flow
- 0.07 MGD
- Design flow
- 0.3 MGD
- NPDES permit
- TN0059323
- Effective
- Permit expires
- October 2028
- Population served
- 1,905
- CWNS 2022
Hallsdale-Powell Raccoon Valley STP is a publicly owned wastewater treatment works in Heiskell, Knox County, Tennessee treating an average of 0.07 million gallons per day against a permitted design capacity of 0.3 MGD, serving about 1,905 residents. It discharges under NPDES permit TN0059323 (effective), which expires in October 2028, with 2 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Hallsdale-Powell Raccoon Valley STP.
Available with a free Klarifi account
See the full treatment train at Hallsdale-Powell Raccoon Valley STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Hallsdale-Powell Raccoon Valley STP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Hallsdale-Powell Raccoon Valley STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Tennessee
Norris · 6 mi away
0.11 MGD
Knoxville · 7 mi away
6.35 MGD
Clinton · 7 mi away
2.1 MGD
Rocky Top · 9 mi away
0.00008 MGD
Rocky Top · 10 mi away
0.54 MGD
Briceville · 11 mi away
0.00078 MGD
Briceville · 11 mi away
—
Maynardville · 14 mi away
0.26 MGD
Hallsdale-Powell Raccoon Valley 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 November 20, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms