Southwest Middle And Element
4154 Sullivan Gardens Drive, Kingsport, TN 37660 · Sullivan County · Publicly Owned Treatment Works
- Average flow
- 0.008 MGD
- Design flow
- 0.04 MGD
- NPDES permit
- TN0025151
- Effective
- Permit expires
- June 2028
- Population served
- —
- CWNS 2022
Southwest Middle And Element is a publicly owned wastewater treatment plant in Kingsport, Sullivan County, Tennessee treating an average of 0.008 million gallons per day against a permitted design capacity of 0.04 MGD. It discharges under NPDES permit TN0025151 (effective), which expires in June 2028, with 21 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Southwest Middle And Element.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 21
- Effluent violations
- 17
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Southwest Middle And Element.
No verified contacts on file yet
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Nearby wastewater treatment plants in Tennessee
Mt Carmel · 6 mi away
0.21 MGD
Blountville · 15 mi away
0.0055 MGD
Johnson City · 15 mi away
3.26 MGD
Greeneville · 17 mi away
0.08 MGD
Johnson City · 17 mi away
5.94 MGD
Chuckey · 19 mi away
—
Elizabethton · 21 mi away
1.93 MGD
Greeneville · 21 mi away
0.000031 MGD
Southwest Middle And Element: 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 January 16, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms