New Johnsonville Lagoon
New Johnsonville, TN · Humphreys County · Publicly Owned Treatment Works
- Average flow
- 0.21 MGD
- Design flow
- 0.47 MGD
- NPDES permit
- TN0062006
- Effective
- Permit expires
- February 2028
- Population served
- 1,930
- CWNS 2022
New Johnsonville Lagoon is a publicly owned wastewater treatment works in New Johnsonville, Humphreys County, Tennessee treating an average of 0.21 million gallons per day against a permitted design capacity of 0.47 MGD, serving about 1,930 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit TN0062006 (effective), which expires in February 2028, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at New Johnsonville Lagoon.
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Nearby wastewater treatment plants in Tennessee
Camden · 7 mi away
—
Waverly · 7 mi away
0.49 MGD
Parsons · 11 mi away
0.04 MGD
Hurricane Mills · 12 mi away
0.04 MGD
Big Sandy · 17 mi away
0.09 MGD
Mcewen · 19 mi away
0.2 MGD
Lobelville · 20 mi away
0.06 MGD
Huntingdon · 25 mi away
0.16 MGD
New Johnsonville Lagoon: 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 9, 2025.