Green Options for San Marcos Alleys

Project Description

Integrate green stormwater infrastructure as part of alley renovation in downtown San Marcos

Conservation Area


NFCA Objectives

Project Hierarchy: Tier 1 - prioritize within next 1-3 years, and of immediate need. Think urgent, or 1st priority.
Estimated Cost Range: > $1,000,000
Project Submitted By: Aspen Navarro
Suggested Contact: Sarah Simpson – Architect for Colorspace Architecture & Urban DesignElizabeth Arceneaux, P.E. – Engineer with Environmental EngineerAspen Navarro – Program Coordinator of Watershed Services at The Meadows Center for Water and the Environment

The City of San Marcos has plans to renovate all downtown alleys by 2027. Planning for restoration of these alleys has not yet begun and we would like to collaborate with the City on retrofitting these corridors to integrate green stormwater infrastructure to enhance walkability while also treating stormwater runoff that flows down to the Upper San Marcos River. A few goals include:
• Envision a performative green alley network that can increase resilience and deliver ecological and social services in downtown San Marcos.
• Provide a strategic toolkit of Green Stormwater Infrastructure – including funding opportunities, GSI options, budget breakdown, potential partners, and more.
• Protect and improve the water quality of the Upper San Marcos River Watershed and lessen localized flooding.
• Enhance air quality, mitigate the urban heat island effect and increase urban biodiversity in downtown San Marcos.
• Educate and raise awareness of the social and ecological benefits of green infrastructure in alley network setting.
• Increase economic vitality for downtown businesses by improving service support and functionality of the alleys.
• Encourage walking and biking into and through downtown San Marcos with friendly, safe, and accessible connectivity.
• Create a human scale network that fosters a sense of discovery and exploration, and cultivates art and cultural uses by businesses, visitors, and residents.

• Elizabeth Arceneaux, P.E. - Environmental Engineer
• Colorspace Architecture & Urban Design
• The City of San Marcos
• The Meadows Center for Water and the Environment
• Sustainable San Marcos
• Downtown Association
• San Marcos Greenbelt Alliance
• San Marcos River Foundation
• Mermaid Society SMTX
• Edwards Aquifer Authority – HCP
• TreeFolks
• Hays County
• San Marcos Lions Club
• Doucet & Associates
• Hays County Master Naturalist

• Environmental Fund of Texas
• Keep Texas Beautiful – Native Gardens Grant
• Tree Fund
• 319 Clean Water Act Fund
• City of San Marcos funding sources
• San Marcos Lions Club Community Impact Grants
• Community Development Block Grant Mitigation HUD funding

Project Status

  • Suggested
  • Ongoing
  • Completed

Project Location

Upper San Marcos River