Alexandria STP
35_Edgewood Rd., Alexandria, TN 37012 · De Kalb County · Publicly Owned Treatment Works
- Average flow
- 0.26 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 0.26 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. EPA has recorded 1 formal enforcement action naming the plant, the latest in October 2021.
Treatment technology
Treatment structures and unit processes at Alexandria STP.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Alexandria STP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Penalties assessed
- $2,505
- all cases
- EPA inspections
- 0
- none on record
Latest case · Oct 2021
ALEXANDRIA SEWER TREATMENT PLANT, TOWN OF ALEXANDRIA, TN
Administrative order · CWA, NPDES Permit Violations · Final Order With Penalty · Penalty $2,505
EPA's description of the case:
“SEPTEMBER 13, 2021 - EXPEDITED SETTLEMENT AGREEMENT ISSUED: On September 29, 2020, representatives of the EPA and the Tennessee Department of Environment and Conservation inspected Respondent's…”
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Source: EPA ECHO, civil enforcement case 04-2021-0309.
Full case history with a free Klarifi account
Every action against Alexandria STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
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
0.22 MGD
Gordonsville · 12 mi away
0.18 MGD
Carthage · 12 mi away
0.3 MGD
Smithville · 16 mi away
0.0036 MGD
Smithville · 17 mi away
1.73 MGD
Woodbury · 18 mi away
0.57 MGD
Baxter · 22 mi away
0.19 MGD
Hartsville · 22 mi away
0.46 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 October 26, 2026; facility record last updated August 3, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms