San Gabriel WWTP
1000' SE Granger Rd Xing San, Georgetown, TX 78627 · Williamson County · Publicly Owned Treatment Works
- Average flow
- 3.58 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 3.58 million gallons per day against a permitted design capacity of 2.5 MGD, serving about 16,900 residents. It discharges under NPDES permit TX0022667 (effective), which expires in January 2028, with 23 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in March 2023.
Treatment technology
2 treatment structures and unit processes identified at San Gabriel WWTP.
Available with a free Klarifi account
See the full treatment train at San Gabriel WWTP: structures, unit processes and planned upgrades, with exact unit counts.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for San Gabriel WWTP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $25,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Mar 2023
Georgetown Administrative Order
Administrative order · CWA, NPDES Permit Violations · Final Order Issued · Compliance actions $25,000
EPA's description of the case:
“On March 21, 2023, EPA Region 6 issued an Administrative Order (AO) under its authority pursuant to Section 309 of the Clean Water Act to City of Georgetown. The AO was issued in response to effluent…”
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Source: EPA ECHO, civil enforcement case 06-2023-1735.
Full case history with a free Klarifi account
Every action against San Gabriel WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
2 verified contacts for San Gabriel WWTP, with validated emails and direct phone numbers.
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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
3.14 MGD
Georgetown · 4 mi away
0.04 MGD
Round Rock · 9 mi away
28.7 MGD
Round Rock · 9 mi away
1.22 MGD
Hutto · 10 mi away
1.26 MGD
Leander · 12 mi away
2.7 MGD
Hutto · 13 mi away
2.38 MGD
Cedar Park · 14 mi away
2.48 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 October 26, 2026; facility record last updated August 3, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms