San Gabriel WWTP
Georgetown, TX · Williamson County · Publicly Owned Treatment Works
- Average flow
- 2.06 MGD
- Design flow
- 2.5 MGD
- NPDES permit
- TX0022667
- Effective
- Permit expires
- January 2028
- Population served
- 16,900
- CWNS 2022
San Gabriel WWTP is a publicly owned wastewater treatment works in Georgetown, Williamson County, Texas treating an average of 2.06 million gallons per day against a permitted design capacity of 2.5 MGD, serving about 16,900 residents. Treatment on site includes clarifiers, biogas balloons. It discharges under NPDES permit TX0022667 (effective), which expires in January 2028, with 23 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
- 23
- Effluent violations
- 23
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for San Gabriel WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at San Gabriel WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Georgetown · 3 mi away
2.45 MGD
Georgetown · 4 mi away
0.13 MGD
Round Rock · 9 mi away
20.77 MGD
Round Rock · 9 mi away
1.41 MGD
Hutto · 10 mi away
0.89 MGD
Leander · 12 mi away
2.54 MGD
Hutto · 13 mi away
1.87 MGD
Cedar Park · 14 mi away
2.2 MGD
San Gabriel 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 September 11, 2026; facility record last updated August 3, 2026.