Dunlap STP
Dunlap, TN · Sequatchie County · Publicly Owned Treatment Works
- Average flow
- 0.39 MGD
- Design flow
- 0.93 MGD
- NPDES permit
- TN0021946
- Effective
- Permit expires
- February 2030
- Population served
- 5,159
- CWNS 2022
Dunlap STP is a publicly owned wastewater treatment works in Dunlap, Sequatchie County, Tennessee treating an average of 0.39 million gallons per day against a permitted design capacity of 0.93 MGD, serving about 5,159 residents. Treatment on site includes clarifiers. It discharges under NPDES permit TN0021946 (effective), which expires in February 2030, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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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
Decision-makers at Dunlap STP.
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Nearby wastewater treatment plants in Tennessee
Chattanooga · 18 mi away
0.2 MGD
Spencer · 21 mi away
0.09 MGD
Chattanooga · 22 mi away
36.67 MGD
Jasper · 26 mi away
0.0032 MGD
Pikeville · 26 mi away
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Jasper · 27 mi away
0.15 MGD
Monteagle · 28 mi away
0.15 MGD
Mcminnville · 30 mi away
1.21 MGD
Dunlap 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 September 11, 2026; facility record last updated November 29, 2025.