City Of Thornton WWTP
Thornton, TX 76687 · Limestone County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.04 MGD
- NPDES permit
- TX0075639
- Expired
- Permit expires
- September 2024
- Population served
- 434
- CWNS 2022
City Of Thornton WWTP is a publicly owned wastewater treatment works in Thornton, Limestone County, Texas treating an average of 0.05 million gallons per day against a permitted design capacity of 0.04 MGD, serving about 434 residents. It discharges under NPDES permit TX0075639 (expired), which expires in September 2024, with 34 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at City Of Thornton WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 34
- Effluent violations
- 34
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 Thornton WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
Kosse · 7 mi away
0.08 MGD
Groesbeck · 10 mi away
0.5 MGD
Bremond · 18 mi away
0.09 MGD
Mart · 18 mi away
0.23 MGD
Mexia · 19 mi away
1.28 MGD
Marlin · 20 mi away
1.63 MGD
Falls County · 22 mi away
2.12 MGD
Marquez · 23 mi away
0.03 MGD
City Of Thornton WWTP: 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 January 25, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms