4400 Beach Rd., Ennis, TX 75119 · Ellis County · Publicly Owned Treatment Works
City Of Ennis Water Treatment Plant is a publicly owned wastewater treatment works in Ennis, Ellis County, Texas treating an average of 0.3 million gallons per day against a permitted design capacity of 0.25 MGD. It discharges under NPDES permit TX0125563 (effective), which expires in February 2027, with 0 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in February 2009.
3 treatment structures and unit processes identified at City Of Ennis Water Treatment Plant.
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See the full treatment train at City Of Ennis Water 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 Ennis Water Treatment Plant in EPA's ICIS system.
Latest case · Feb 2009
Ennis City of Water Treatment Plant
Administrative order · CAA, Prevention of Accidental Release/Risk Management Plans (RMPs) · Final Order With Penalty · Penalty $660 · Compliance actions $4,313
EPA's description of the case:
“Failed to comply with the regulations of the Risk Management Plan.”
Source: EPA ECHO, civil enforcement case 06-2009-3551.
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Every action against City Of Ennis Water Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Decision-makers at City Of Ennis Water Treatment Plant.
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Ennis · 3 mi away
3.87 MGD
Palmer · 11 mi away
0.48 MGD
Blooming Grove · 13 mi away
0.08 MGD
Italy · 15 mi away
0.24 MGD
Frost · 16 mi away
0.05 MGD
Corsicana · 19 mi away
3.85 MGD
Milford · 20 mi away
0.0075 MGD
Red Oak · 20 mi away
7.15 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 April 7, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms