Wilson Creek Regional Wastewater Treatment Plant
Mc Kinney, TX · Collin County · Publicly Owned Treatment Works
- Average flow
- 70.77 MGD
- Design flow
- 24 MGD
- NPDES permit
- TX0047911
- Effective
- Permit expires
- October 2027
- Population served
- 244,117
- CWNS 2022
Wilson Creek Regional Wastewater Treatment Plant is a publicly owned wastewater treatment works in Mc Kinney, Collin County, Texas treating an average of 70.77 million gallons per day against a permitted design capacity of 24 MGD, serving about 244,117 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biogas balloons. It discharges under NPDES permit TX0047911 (effective), which expires in October 2027, with 24 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
- 24
- Effluent violations
- 23
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Wilson Creek Regional Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Wilson Creek Regional Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Wylie · 3 mi away
0.19 MGD
Mckinney · 9 mi away
0.04 MGD
Wylie · 10 mi away
9.67 MGD
Farmersville · 11 mi away
0.44 MGD
Farmersville · 11 mi away
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Rockwall County · 13 mi away
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Anna · 14 mi away
0.49 MGD
Blue Ridge · 15 mi away
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Wilson Creek Regional 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 29, 2025.