Manchester STP
736 West High Street, Manchester, TN 37355 · Coffee County · Publicly Owned Treatment Works
- Average flow
- 2.4 MGD
- Design flow
- 4.3 MGD
- NPDES permit
- TN0025038
- Effective
- Permit expires
- February 2029
- Population served
- 10,896
- CWNS 2022
Manchester STP is a publicly owned wastewater treatment works in Manchester, Coffee County, Tennessee treating an average of 2.4 million gallons per day against a permitted design capacity of 4.3 MGD, serving about 10,896 residents. It discharges under NPDES permit TN0025038 (effective), which expires in February 2029, with 39 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in October 2025.
Treatment technology
2 treatment structures and unit processes identified at Manchester STP.
Available with a free Klarifi account
See the full treatment train at Manchester STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 39
- Effluent violations
- 39
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 Manchester STP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $19M
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Oct 2025
THE CITY OF MANCHESTER, TENNESSEE
Administrative order · CWA, Effluent Limitations - NPDES Toxic & Pretreatment Effluent Standards · Final Order No Penalty · Compliance actions $19M
EPA's description of the case:
“OCTOBER 29, 2025 - ADMINISTRATIVE ORDER ON CONSENT On October 21, 2024, EPA inspectors, accompanied by a TDEC inspector, conducted a Compliance Evaluation Inspection {CEI) of the City's STP and WCTS.…”
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Source: EPA ECHO, civil enforcement case 04-2026-1001.
Full case history with a free Klarifi account
Every action against Manchester STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
5 verified contacts for Manchester STP, with validated emails and direct phone numbers.
Unlock 5 verified contacts (2 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Manchester STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Tennessee
Tullahoma · 11 mi away
0.01 MGD
Tullahoma · 11 mi away
2.98 MGD
Wartrace · 14 mi away
—
Bell Buckle · 16 mi away
0.05 MGD
Shelbyville · 21 mi away
3.22 MGD
Monteagle · 22 mi away
0.23 MGD
Lynchburg · 22 mi away
0.19 MGD
Cowan · 23 mi away
0.07 MGD
Manchester 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 August 19, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms