Alexandria STP
Alexandria, TN · De Kalb County · Publicly Owned Treatment Works
- Average flow
- 0.22 MGD
- Design flow
- 0.3 MGD
- NPDES permit
- TN0021539
- Effective
- Permit expires
- July 2027
- Population served
- 992
- CWNS 2022
Alexandria STP is a publicly owned wastewater treatment works in Alexandria, De Kalb County, Tennessee treating an average of 0.22 million gallons per day against a permitted design capacity of 0.3 MGD, serving about 992 residents. It discharges under NPDES permit TN0021539 (effective), which expires in July 2027, with 165 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 165
- Effluent violations
- 120
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Alexandria STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Tennessee
Watertown · 6 mi away
0.13 MGD
Gordonsville · 12 mi away
0.08 MGD
Smithville · 16 mi away
0.0024 MGD
Smithville · 17 mi away
1.47 MGD
Woodbury · 18 mi away
0.63 MGD
Baxter · 22 mi away
0.13 MGD
Hartsville · 22 mi away
0.34 MGD
Gainesboro · 28 mi away
0.11 MGD
Alexandria 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 August 3, 2026.