Carthage STP
216 First Ave West, Box 259, Carthage, TN 37030 · Smith County · Publicly Owned Treatment Works
- Average flow
- 0.3 MGD
- Design flow
- 0.63 MGD
- NPDES permit
- TN0022993
- Effective
- Permit expires
- April 2029
- Population served
- 5,197
- CWNS 2022
Carthage STP is a publicly owned wastewater treatment works in Carthage, Smith County, Tennessee treating an average of 0.3 million gallons per day against a permitted design capacity of 0.63 MGD, serving about 5,197 residents. It discharges under NPDES permit TN0022993 (effective), which expires in April 2029, with 7 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in April 2000.
Treatment technology
Treatment structures and unit processes at Carthage STP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
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 Carthage STP in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- EPA inspections
- 0
- none on record
Latest case · Apr 2000
CARTHAGE, TN, CITY OF
Administrative order · CWA, Sewage Sludge Disposal · Unilateral Administrative Order Without Adjudication
Source: EPA ECHO, civil enforcement case 04-1999-0128.
Full case history with a free Klarifi account
Every action against Carthage STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Carthage STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Tennessee
Gordonsville · 1 mi away
0.18 MGD
Alexandria · 12 mi away
0.26 MGD
Watertown · 14 mi away
0.22 MGD
Hartsville · 15 mi away
0.46 MGD
Smithville · 19 mi away
0.0036 MGD
Gainesboro · 19 mi away
0.15 MGD
Baxter · 19 mi away
0.19 MGD
Lafayette · 19 mi away
0.6 MGD
Carthage 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 19, 2026; facility record last updated May 25, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms