Parsons STP
925 Walter Herndon Road, Parsons, TN 38363 · Decatur County · Publicly Owned Treatment Works
- Average flow
- 0.43 MGD
- Design flow
- 0.8 MGD
- NPDES permit
- TN0061727
- Effective
- Permit expires
- November 2028
- Population served
- 2,585
- CWNS 2022
Parsons STP is a publicly owned wastewater treatment works in Parsons, Decatur County, Tennessee treating an average of 0.43 million gallons per day against a permitted design capacity of 0.8 MGD, serving about 2,585 residents. It discharges under NPDES permit TN0061727 (effective), which expires in November 2028, with 88 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Parsons STP.
Available with a free Klarifi account
See the full treatment train at Parsons STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 88
- Effluent violations
- 88
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Parsons STP.
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Nearby wastewater treatment plants in Tennessee
Decaturville · 3 mi away
0.16 MGD
Linden · 16 mi away
0.24 MGD
Lexington · 16 mi away
1.13 MGD
Clifton · 17 mi away
0.08 MGD
Clifton · 18 mi away
0.2 MGD
Parsons · 18 mi away
0.07 MGD
Lobelville · 20 mi away
0.03 MGD
Hurricane Mills · 25 mi away
0.08 MGD
Parsons 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 November 8, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms