Willow Creek WWTP
443 Hill Road, Smithville, TX 78957 · Bastrop County · Publicly Owned Treatment Works
- Average flow
- 0.3 MGD
- Design flow
- 0.3 MGD
- NPDES permit
- TX0113786
- Effective
- Permit expires
- March 2031
- Population served
- —
- CWNS 2022
Willow Creek WWTP is a publicly owned wastewater treatment works in Smithville, Bastrop County, Texas treating an average of 0.3 million gallons per day against a permitted design capacity of 0.3 MGD. It discharges under NPDES permit TX0113786 (effective), which expires in March 2031, with 4 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Willow Creek WWTP.
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
3 verified contacts for Willow Creek WWTP, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Willow Creek WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Smithville · 2 mi away
0.23 MGD
Bastrop · 13 mi away
—
Bastrop · 13 mi away
0.78 MGD
Bastrop · 15 mi away
1.57 MGD
Giddings · 15 mi away
0.49 MGD
Giddings · 17 mi away
0.5 MGD
La Grange · 17 mi away
0.72 MGD
Flatonia · 21 mi away
0.19 MGD
Willow Creek 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 · WWTP · Biosolids · all terms