Santa Clara Creek 1 WWTP
3930 Linne Rd, Seguin, TX 78155 · Guadalupe County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 2.5 MGD
- NPDES permit
- TX0136352
- Effective
- Permit expires
- August 2031
- Population served
- 40,920
- CWNS 2022
Santa Clara Creek 1 WWTP is a publicly owned wastewater treatment works in Seguin, Guadalupe County, Texas, serving about 40,920 residents. It discharges under NPDES permit TX0136352 (effective), which expires in August 2031, with 9 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Santa Clara Creek 1 WWTP.
Available with a free Klarifi account
See the full treatment train at Santa Clara Creek 1 WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 9
- Effluent violations
- 9
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Santa Clara Creek 1 WWTP.
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Nearby wastewater treatment plants in Texas
Marion · 2 mi away
0.13 MGD
Schertz · 8 mi away
10.39 MGD
Seguin · 9 mi away
3.68 MGD
New Braunfels · 9 mi away
3.38 MGD
Seguin · 10 mi away
1.62 MGD
San Antonio · 10 mi away
3.03 MGD
New Braunfels · 11 mi away
4.62 MGD
New Braunfels · 11 mi away
3.2 MGD
Santa Clara Creek 1 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 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms