Maynardville STP
Johnson Road, Maynardville, TN 37807 · Union County · Publicly Owned Treatment Works
- Average flow
- 0.26 MGD
- Design flow
- 0.6 MGD
- NPDES permit
- TN0022870
- Effective
- Permit expires
- March 2028
- Population served
- 2,567
- CWNS 2022
Maynardville STP is a publicly owned wastewater treatment works in Maynardville, Union County, Tennessee treating an average of 0.26 million gallons per day against a permitted design capacity of 0.6 MGD, serving about 2,567 residents. It discharges under NPDES permit TN0022870 (effective), which expires in March 2028, with 29 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified, 1 planned upgrade on record at Maynardville STP.
Available with a free Klarifi account
See the full treatment train at Maynardville STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 29
- Effluent violations
- 29
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Maynardville STP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Maynardville STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Tennessee
Luttrell · 4 mi away
0.11 MGD
Sharps Chapel · 8 mi away
0.0058 MGD
Rutledge · 12 mi away
0.0047 MGD
Mascot · 13 mi away
0.42 MGD
Washburn · 14 mi away
0.0073 MGD
Strawberry Plains · 14 mi away
0.0036 MGD
Norris · 14 mi away
0.11 MGD
Heiskell · 14 mi away
0.07 MGD
Maynardville 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 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms