Yahara Portal

Explore the legacy and future of the Yahara Lakes and Watershed

urban polluted runoff

Urban Polluted Runoff

Polluted runoff originates in both the rural and urban areas of the Yahara Watershed. Studies of the Yahara Lakes show that urban sources of pollution are important to the quality of the lakes. Urban sources are from stormwater, construction sites, streambank erosion and hydrologic disturbances. 

Polluted Runoff

What is Polluted Runoff?

Runoff is water that falls in the form of snow or rain and instead of sinking into the ground, runs off the land to a lower spot. If that water comes into contact with dirt or other contaminants along the way, it becomes polluted. 

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