Mission Creek Lagoon and Laguna Channel Restoration Conceptual Design

Mission Creek Lagoon and Laguna Channel Restoration Conceptual Design

 

Mission Creek Lagoon, a 4-acre lagoon in the heart of the Santa Barbara waterfront, supports a unique suite of plants and animals adapted to this highly variable environment, including two federally protected fish and at least two federally protected bird species. The lagoon’s ecological function and public use are limited by poor water quality and the absence of a robust, diverse coastal vegetation community. Lagoon habitats and flood control capabilities are threatened by sea level rise and the gradual structural decay of coastal infrastructure that dates to the early 1900s. Over time, a history of single-objective projects has compromised the ability of the lagoon to be a welcoming, safe place for both people and wildlife.
 
ESA is responsible for implementing a series of technical analyses aimed at restoring and enhancing lagoon and creek habitat, improving water quality and flood control, and enhancing public safety and access. These analyses cover a broad range of topics such as flood hydrology and hydraulics, historic and current ecology, coastal and lagoon dynamics, sea level rise, sediment transport, and water quality. ESA is assessing the influence of local plans and policies, historic and cultural resources, regulatory compliance needs, and more. These analyses are being summarized in a comprehensive existing conditions report that identifies restoration opportunities and constraints. The report describes conceptual models of physical and ecological processes that will support the development of a feasible, multi-objective conceptual design. The report also describes data gaps and establishes a baseline for future environmental documentation. Using adopted climate change predictions for California, our team prepared a shoreline analysis that incorporates a wave run-up study to determine risks to infrastructure from wave action and predicted sea level rise for 2050 and 2100. 
 
ESA’s team of engineers, hydrologists, biologists, sediment transport analysts, and climate adaptation specialists understand the complex and competing needs of this unique lagoon ecosystem and are translating this knowledge into clear conceptual restoration design alternatives.

Specialized Services

  • Biological assessments
  • Channel and floodplain restoration design
  • Coastal flood forecasting
  • Coastal Zone Management Act
  • Community and ecosystem adaptation plans
  • Endangered Species Act
  • Environmental assessments
  • Fisheries
  • Fisheries habitat enhancement
  • Geomorphic assessments
  • Habitat restoration and enhancement
  • Hydrologic and hydraulic modeling
  • Hydrologic assessments
  • Modeling and analysis
  • Multi-objective flood management
  • Public access, trail analysis and design
  • Real-time data collection systems
  • Restoration and reclamation plans
  • Sea level rise adaptation studies and vulnerability assessments
  • Shoreline and coastal plans
  • Shoreline management plans
  • Water quality analyses
  • Wetland restoration