Instead, the water runs rapidly into storm drains, sewer systems, and drainage ditches and can cause: In developed areas, however, impervious surfaces such as pavement and roofs prevent precipitation from naturally soaking into the ground.

Stormwater becomes a problem when it picks up debris, chemicals, dirt and other pollutants as it flows or when it causes flooding and erosion of stream banks. When stormwater is absorbed into the ground, it is filtered and ultimately replenishes aquifers or flows into streams and rivers. Stormwater is rainwater and melted snow that runs off streets, lawns, and other sites. Please remember that both residents and businesses also have an opportunity to help, which when combined together will have a positive impact on our environment and the water that is so important to us all.įor more information on the State of Pennsylvania stormwater management please visit the Pennsylvania Department of Environmental Protection. We hope that you will find this information useful. This page is designed to provide Township residents and businesses with access to information, tools and resources to help preserve and protect clean water in the Township. Welcome to the Radnor Township Stormwater Management Information page.

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