plastic model of street and surrounding town with toy cars and buildings on it

A Very Impervious Situation: An Introduction to Stormwater Runoff

We all live in a watershed. Watersheds, particularly in urban areas, have changed drastically in the last 200 years. The number of impervious surfaces has increased which creates challenges for stormwater systems. In this lesson, students will review the concept of watershed. Students will learn how much water collects from impervious surfaces in a 1-inch rainstorm and discuss what happens to that water. Along with this introduction to stormwater sewers, students will explore ways they can minimize stormwater pollution.

A Very Impervious Situation Lesson Plan

A Very Impervious Student Handout

Storm Water Decision Cards

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