As urban areas expand, degraded lands robbed of natural resilience and biodiversity often lie in development’s path—presenting both challenges and opportunities. The Flewellen Creek Restoration project transforms a derelict 130-acre ranching ditch into a vibrant 3-mile ecosystem, anchoring the new 3,200-acre Cross Creek Ranch community.
Rooted in biomimicry and fluvial geomorphology, the design re-establishes natural creek dynamics. Reintroduced meanders double the creek’s length, creating a 450 to 600-foot-wide floodplain corridor, which shielded surrounding homes during Hurricane Harvey. A 50-acre polishing pond and water treatment facility feed the creek while filtering community irrigation water.
Indigenous vegetation replaces invasive species, establishing riparian forests, prairie meadows, and water-cleansing wetlands. Wildlife has returned in abundance, with native fish, turtles, and migratory birds thriving among strategically placed habitat structures. The endeavor yields impressive annual results: a 65% decrease in mowing expenses, an 81-ton reduction in fertilizer use, 4 million gallons of drinking water saved, and 184 tons of carbon sequestered per acre.
With 42% of residents living adjacent to the re-naturalized space, multi-use trails, boardwalks, and platforms invite exploration of the ecotones. The Arbor Park Sports Complex and disc golf course nestled amid the natural beauty further enhance daily life in this community. This multi-award-winning project is a paragon of restorative excellence, proving that nature and community can gracefully coexist. It demonstrates how conscientious designers can transform environmental challenges into opportunities, creating sustainable, resilient spaces that benefit both ecosystems and residents.
3Roots
A transformed mining site in Mira Mesa, 3Roots captures San Diego’s innovative spirit, drive, and natural beauty. SWA’s work began with the master plan, including 1,800 new homes, 160,000 square feet of commercial, retail, and office spaces, a five-acre mobility hub, and over 250 acres of parks and open space. The landscape blends the region’s mining her...
Magee Ranch
The project site is a beautiful 540-acre hillside ranch in suburban Contra Costa County, California. It was slated for development by the City of Danville as a clustered planned community. The development concept was to preserve the essential beauty of the ranch and to allow some 300 homes to be built with the least possible impact. The City’s Planning C...
Santaluz
This planned community 30 minutes north of San Diego is a testament to the collaboration of a visionary client, talented land planner, and creative designers and marketers. Set gracefully on its rolling site and preserving over half its acreage as open space, Santaluz is both a model of environmental planning and a financial success, out-performing all its loc...
Mountain House
SWA provided comprehensive master planning services for a new 4,700-acre community located near the foothills of California’s San Joaquin Valley. Envisioned as a sustainable, “smart growth” town located on less productive agricultural land, the community is designed to provide an internal balance of jobs and housing to mitigate traffic impacts. Working for the...