City Of Ennis Water Treatment Plant
Ennis, TX · Ellis County · Publicly Owned Treatment Works
- Average flow
- 0.23 MGD
- Design flow
- 0.25 MGD
- NPDES permit
- TX0125563
- Effective
- Permit expires
- February 2027
- Population served
- —
- CWNS 2022
City Of Ennis Water Treatment Plant is a publicly owned wastewater treatment works in Ennis, Ellis County, Texas treating an average of 0.23 million gallons per day against a permitted design capacity of 0.25 MGD. Treatment on site includes aerated lagoons, uncovered lagoons, biogas silos. It discharges under NPDES permit TX0125563 (effective), which expires in February 2027, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at City Of Ennis Water Treatment Plant.
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Nearby wastewater treatment plants in Texas
Ennis · 3 mi away
3.45 MGD
Palmer · 11 mi away
0.25 MGD
Blooming Grove · 13 mi away
0.09 MGD
Italy · 15 mi away
0.21 MGD
Frost · 16 mi away
0.05 MGD
Corsicana · 19 mi away
3.79 MGD
Milford · 20 mi away
0.001 MGD
Red Oak · 20 mi away
4.6 MGD
City Of Ennis Water Treatment Plant: 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 September 11, 2026; facility record last updated April 7, 2025.