Wetlands: Tap Water’s Natural Filter
Across California, wetlands act as a natural cleaning system before water reaches the tap. These shallow areas of water that cover or saturate soil — often called marshes, swamps or bogs — help clean water naturally. They trap sediments, balance nutrients and absorb pollutants before the water flows into reservoirs, rivers, groundwater and other sources … More Wetlands: Tap Water’s Natural Filter




















































