Geronimo Creek Wastewater Treatment Plant
Seguin, TX · Guadalupe County · Publicly Owned Treatment Works
- Average flow
- 2.61 MGD
- Design flow
- 12 MGD
- NPDES permit
- TX0103535
- Effective
- Permit expires
- December 2030
- Population served
- 7,929
- CWNS 2022
Geronimo Creek Wastewater Treatment Plant is a publicly owned wastewater treatment works in Seguin, Guadalupe County, Texas treating an average of 2.61 million gallons per day against a permitted design capacity of 12 MGD, serving about 7,929 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit TX0103535 (effective), which expires in December 2030, with 3 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
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
7 verified contacts for Geronimo Creek Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 7 verified contacts (4 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Geronimo Creek Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Seguin · 3 mi away
2.8 MGD
New Braunfels · 11 mi away
3.35 MGD
Seguin · 12 mi away
—
Marion · 13 mi away
0.04 MGD
New Braunfels · 14 mi away
3.26 MGD
New Braunfels · 14 mi away
2.1 MGD
New Braunfels · 17 mi away
1.4 MGD
City Of New Braunfels · 17 mi away
0.01 MGD
Geronimo Creek 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 28, 2025.