Stewart Creek Wastewater Treatment Plant
The Colony, TX · Denton County · Publicly Owned Treatment Works
- Average flow
- 5.88 MGD
- Design flow
- 6.3 MGD
- NPDES permit
- TX0053112
- Effective
- Permit expires
- February 2027
- Population served
- 45,143
- CWNS 2022
Stewart Creek Wastewater Treatment Plant is a publicly owned wastewater treatment works in The Colony, Denton County, Texas treating an average of 5.88 million gallons per day against a permitted design capacity of 6.3 MGD, serving about 45,143 residents. Treatment on site includes clarifiers. It discharges under NPDES permit TX0053112 (effective), which expires in February 2027, with 30 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
Unlock
Unlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 30
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
22 verified contacts for Stewart Creek Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 22 verified contacts (19 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Stewart Creek Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Frisco · 2 mi away
6.51 MGD
Hackberry · 4 mi away
0.62 MGD
Little Elm · 4 mi away
3.35 MGD
Lakewood Village · 5 mi away
0.14 MGD
Lewisville · 7 mi away
6.88 MGD
Frisco · 7 mi away
—
Lewisville · 9 mi away
5.85 MGD
Lewisville · 9 mi away
1.99 MGD
Stewart Creek Wastewater 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 May 28, 2025.