City Of Willow Park WWTP
Willow Springs Rd Willow Park, Willow Park, TX 76087 · Parker County · Publicly Owned Treatment Works
- Average flow
- 0.47 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- TX0099732
- Administratively continued
- Permit expires
- August 2026
- Population served
- 1,505
- CWNS 2022
City Of Willow Park WWTP is a publicly owned wastewater treatment works in Willow Park, Parker County, Texas treating an average of 0.47 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 1,505 residents. It discharges under NPDES permit TX0099732 (administratively continued), which expires in August 2026, with 1 recorded violation in the last three years.
Treatment technology
One treatment structure or unit process identified at City Of Willow Park WWTP.
Available with a free Klarifi account
See the full treatment train at City Of Willow Park WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
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 Willow Park WWTP.
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Nearby wastewater treatment plants in Texas
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Weatherford · 6 mi away
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Azle · 12 mi away
1.22 MGD
Weatherford · 14 mi away
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Springtown · 15 mi away
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Newark · 20 mi away
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Rhome · 22 mi away
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Granbury · 22 mi away
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City Of Willow Park 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 May 29, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms