Hallsdale-Powell U.D.-Melton Hill Lk
Knoxville, TN · Knox County · Publicly Owned Treatment Works
- Average flow
- 4.48 MGD
- Design flow
- 9.7 MGD
- NPDES permit
- TN0078905
- Effective
- Permit expires
- September 2028
- Population served
- 81,175
- CWNS 2022
Hallsdale-Powell U.D.-Melton Hill Lk is a publicly owned wastewater treatment plant in Knoxville, Knox County, Tennessee treating an average of 4.48 million gallons per day against a permitted design capacity of 9.7 MGD, serving about 81,175 residents. Treatment on site includes clarifiers, aerated lagoons, carrousels / oxidation ditches. It discharges under NPDES permit TN0078905 (effective), which expires in September 2028, with 44 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
- 44
- Effluent violations
- 38
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 U.D.-Melton Hill Lk, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Hallsdale-Powell U.D.-Melton Hill Lk, plus the full compliance history and discharge data.
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Clinton · 7 mi away
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Knoxville · 13 mi away
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Briceville · 13 mi away
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Briceville · 14 mi away
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Oak Ridge · 14 mi away
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Rocky Top · 15 mi away
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Hallsdale-Powell U.D.-Melton Hill Lk: 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 March 15, 2025.