To accommodate a multitude of planned water and wastewater developments and expand treatment capacity, the city of San Marcos is developing a new Wastewater Treatment Plant.
The City Council approved over $100 million in water and wastewater utility revenue bonds to fund the plant’s development and other related projects detailed in the city’s Capital Improvement Plan, or CIP, at an April 21 meeting.
The gist
The city's fiscal year 2025-26 CIP was adopted on Sept. 16, 2025, and outlines city projects planned for the next 10 years. City staff presented an overview of the planned projects to the council Feb. 3.














