01 What Happened

Community Impact reported on August 28 that Dripping Springs is advancing expansion of its South Regional Wastewater Reclamation Facility after years of litigation. Treatment capacity is planned to increase from about 162,500 gallons per day to 822,500 gallons per day, a 406% increase. The city has seen wastewater customers rise by roughly 600% since 2015. After the Texas Supreme Court sided with TCEQ and the city in 2025, the project moved forward, with an additional USD 51.5 million loan secured through the Texas Water Development Board.

02 Key Takeaways

  • 01 Planned treatment capacity increases from about 162,500 to 822,500 gpd.
  • 02 Wastewater customers have increased by about 600% since 2015.
  • 03 The expansion should be evaluated across treatment, solids, reuse, storage and permitted discharge capacity.

03 Why It Matters

The engineering issue is not simply plant size; it is lost capacity headroom.

Dripping Springs has seen wastewater customers grow about 600% since 2015, while the main reclamation facility remained near its legacy capacity. Once hydraulic and biological headroom disappears, development pressure shifts into temporary plants, pump-and-haul arrangements and delayed connections.

04 ATLAS Engineering View

A 406% capacity increase should therefore be evaluated as a system reset. Influent variability, peak flow, nutrient loading, solids handling, reclaimed-water demand and permitted discharge all need to scale together. Expanding the biological process without matching pumping, disinfection, storage and reuse infrastructure would only move the bottleneck downstream.

05 Sources