Uploaded March 2026 | Updated September 2026, 2 weeks ago
Pink. Orange. Neon red.
These ponds in the South San Francisco Bay look like a chemical spill — but the colors are actually a sign of nature at work.
Seawater flows into shallow evaporation ponds where the water becomes progressively saltier. At each stage of salinity, different microorganisms thrive. Specialized algae and bacteria produce pigments that turn the water brilliant shades of red and orange, creating one of the most surreal landscapes in California.
For more than a century, about 15,000 acres of tidal marsh here were converted into salt production ponds. But in 2003, the South Bay Salt Pond Restoration Project launched one of the largest wetland restoration efforts in the United States. The goal: reconnect these ponds to the bay, rebuild tidal marsh habitat for migratory birds along the Pacific Flyway, and help protect nearby communities from sea-level rise.
Hundreds of millions of dollars have already gone into breaching levees, redesigning ponds, and restoring natural tidal flows. Today, the area is transforming into a remarkable public landscape — a place to hike, bike, and watch wildlife.
It’s an ecological oasis unfolding right beside the tech campuses of Silicon Valley — and a powerful example of water management evolving from industrial production to environmental restoration and climate resilience.
waterloop is a nonprofit news outlet exploring solutions for water sustainability. Visit waterloop.org
Subscribe to catch every video: youtube.com/@waterloop
Never miss an episode! Subscribe to waterloop:
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#SanFranciscoBay #SaltPonds #WetlandRestoration #SouthBaySaltPondRestorationProject #ClimateResilience #WaterManagement #Ecology #PacificFlyway #BirdHabitat #EnvironmentalRestoration #Waterloop #SiliconValleyNature
Pink. Orange. Neon red.
These ponds in the South San Francisco Bay look like a chemical spill — but the colors are actually a sign of nature at work.
Seawater flows into shallow evaporation ponds where the water becomes progressively saltier. At each stage of salinity, different microorganisms thrive. Specialized algae and bacteria produce pigments that turn the water brilliant shades of red and orange, creating one of the most surreal landscapes in California.
For more than a century, about 15,000 acres of tidal marsh here were converted into salt production ponds. But in 2003, the South Bay Salt Pond Restoration Project launched one of the largest wetland restoration efforts in the United States. The goal: reconnect these ponds to the bay, rebuild tidal marsh habitat for migratory birds along the Pacific Flyway, and help protect nearby communities from sea-level rise.
Hundreds of millions of dollars have already gone into breaching levees, redesigning ponds, and restoring natural tidal flows. Today, the area is transforming into a remarkable public landscape — a place to hike, bike, and watch wildlife.
It’s an ecological oasis unfolding right beside the tech campuses of Silicon Valley — and a powerful example of water management evolving from industrial production to environmental restoration and climate resilience.
waterloop is a nonprofit news outlet exploring solutions for water sustainability. Visit waterloop.org
Subscribe to catch every video: youtube.com/@waterloop
Never miss an episode! Subscribe to waterloop:
🎧 Spotify:bit.ly/waterloopSpotify
🎧 Apple Podcasts:bit.ly/waterloopApple
🎧 YouTube Podcasts:bit.ly/waterloopYouTubePod
Follow waterloop for more stories on water sustainability:
🔹 Instagram:instagram.com/the_waterloop
🔹 LinkedIn:linkedin.com/company/thewaterloop
#SanFranciscoBay #SaltPonds #WetlandRestoration #SouthBaySaltPondRestorationProject #ClimateResilience #WaterManagement #Ecology #PacificFlyway #BirdHabitat #EnvironmentalRestoration #Waterloop #SiliconValleyNature
