Westmoreland STP
Westmoreland, TN · Sumner County · Publicly Owned Treatment Works
- Average flow
- 0.1 MGD
- Design flow
- 0.3 MGD
- NPDES permit
- TN0055026
- Effective
- Permit expires
- September 2029
- Population served
- 2,622
- CWNS 2022
Westmoreland STP is a publicly owned wastewater treatment works in Westmoreland, Sumner County, Tennessee treating an average of 0.1 million gallons per day against a permitted design capacity of 0.3 MGD, serving about 2,622 residents. Treatment on site includes clarifiers. It discharges under NPDES permit TN0055026 (effective), which expires in September 2029, with 50 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
- 50
- Effluent violations
- 50
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Westmoreland STP.
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Nearby wastewater treatment plants in Tennessee
Westmoreland · 5 mi away
0.0026 MGD
Lafayette · 14 mi away
0.47 MGD
Hartsville · 14 mi away
0.34 MGD
Portland · 16 mi away
0.87 MGD
Red Boiling Springs · 23 mi away
0.34 MGD
Gallatin · 24 mi away
0.01 MGD
Celina · 26 mi away
—
Gordonsville · 28 mi away
0.08 MGD
Westmoreland 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 March 6, 2025.