Justin WWTF
Justin, TX · Denton County · Publicly Owned Treatment Works
- Average flow
- 0.43 MGD
- Design flow
- 0.8 MGD
- NPDES permit
- TX0022501
- Effective
- Permit expires
- January 2027
- Population served
- 2,107
- CWNS 2022
Justin WWTF is a publicly owned wastewater treatment works in Justin, Denton County, Texas treating an average of 0.43 million gallons per day against a permitted design capacity of 0.8 MGD, serving about 2,107 residents. It discharges under NPDES permit TX0022501 (effective), which expires in January 2027, with 4 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Justin WWTF.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
Denton · 5 mi away
0.39 MGD
Roanoke · 6 mi away
13.6 MGD
Ponder · 6 mi away
0.46 MGD
Trophy Club · 8 mi away
1.1 MGD
New Fairview · 9 mi away
0.05 MGD
Rhome · 10 mi away
0.07 MGD
Rhome · 11 mi away
0.13 MGD
Rhome · 11 mi away
0.05 MGD
Justin WWTF: 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 10, 2025.