400 W Cumberland Rd, Tyler, TX 75703 · Smith County · Publicly Owned Treatment Works
City Of Tyler - Southside Wastewater Treatment Plant is a publicly owned wastewater treatment works in Tyler, Smith County, Texas treating an average of 8.82 million gallons per day, serving about 110,784 residents. It discharges under NPDES permit TXR05X204 (administratively continued), which expires in August 2026, with 94 recorded violations in the last three years. EPA has recorded 5 formal enforcement actions naming the plant, the latest in March 2025.
3 treatment structures and unit processes identified at City Of Tyler - Southside Wastewater Treatment Plant.
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See the full treatment train at City Of Tyler - Southside Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for City Of Tyler - Southside Wastewater Treatment Plant in EPA's ICIS system.
Latest case · Mar 2025
City of Tyler Administrative Order
Administrative order · CWA, NPDES Permit Violations · Final Order Issued · Compliance actions $20,000
EPA's description of the case:
“On March 3, 2025, EPA Region 6 issued an Administrative Order (AO) under its authority pursuant to Section 309 of the Clean Water Act to the City of Tyler?s Southside Wastewater Treatment Facility.…”
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Source: EPA ECHO, civil enforcement case 06-2025-1722.
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Every action against City Of Tyler - Southside Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
11 verified contacts for City Of Tyler - Southside Wastewater Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at City Of Tyler - Southside Wastewater Treatment Plant, plus the full compliance history and discharge data.
Whitehouse · 8 mi away
0.74 MGD
Bullard · 9 mi away
0.45 MGD
Chandler · 9 mi away
0.36 MGD
Tyler · 11 mi away
10.94 MGD
Tyler · 15 mi away
0.53 MGD
Troup · 15 mi away
0.27 MGD
Tyler · 15 mi away
0.01 MGD
Arp · 15 mi away
0.31 MGD
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 May 29, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms