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planetizen.com > news > 2026 > 08 > 138197-rain-gardens-keep-99-pollutants-out-san-francisco-bay

Rain gardens keep up to 99% of pollutants out of San Francisco Bay

1+ mon, 1+ day ago   (377+ words) August 12, 2026, 9:00 AM PDT A study funded by the San Francisco Public Utilities Commission found that hundreds of rain gardens installed throughout the city are having a major positive impact on San Francisco Bay, keeping out over 90% of many common pollutants....