City Of Dilley WTP
0.4 Mile S Of The Intx Of Business I-H 35, Dilley, TX 78017 · Frio County · Publicly Owned Treatment Works
- Average flow
- 0.01 MGD
- Design flow
- 0.03 MGD
- NPDES permit
- TX0137928
- Effective
- Permit expires
- May 2029
- Population served
- —
- CWNS 2022
City Of Dilley WTP is a publicly owned wastewater treatment plant in Dilley, Frio County, Texas treating an average of 0.01 million gallons per day against a permitted design capacity of 0.03 MGD. It discharges under NPDES permit TX0137928 (effective), which expires in May 2029, with 38 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at City Of Dilley WTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 38
- Effluent violations
- 38
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 Dilley WTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
Dilley · 1 mi away
0.83 MGD
Dilley · 2 mi away
0.52 MGD
Pearsall · 16 mi away
1.1 MGD
Cotulla · 17 mi away
1.71 MGD
Big Wells · 26 mi away
0.05 MGD
Charlotte · 31 mi away
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Devine · 38 mi away
0.38 MGD
Asherton · 38 mi away
0.14 MGD
City Of Dilley WTP: 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 April 12, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms