Decatur STP
Decatur, TN · Meigs County · Publicly Owned Treatment Works
- Average flow
- 0.18 MGD
- Design flow
- 0.53 MGD
- NPDES permit
- TN0058521
- Effective
- Permit expires
- March 2028
- Population served
- 1,612
- CWNS 2022
Decatur STP is a publicly owned wastewater treatment works in Decatur, Meigs County, Tennessee treating an average of 0.18 million gallons per day against a permitted design capacity of 0.53 MGD, serving about 1,612 residents. Treatment on site includes clarifiers. It discharges under NPDES permit TN0058521 (effective), which expires in March 2028, with 3 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
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Decatur STP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Decatur STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Tennessee
Riceville · 6 mi away
0.0036 MGD
Charleston · 13 mi away
6.59 MGD
Spring City · 13 mi away
0.31 MGD
Niota · 14 mi away
0.05 MGD
Calhoun · 14 mi away
0.0042 MGD
Englewood · 19 mi away
0.07 MGD
Etowah · 21 mi away
0.69 MGD
Sweetwater · 22 mi away
0.92 MGD
Decatur 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 26, 2025.