The negative impacts of urban runoff – primarily flooding, water pollution, and reduced groundwater supplies – threaten the health and water supplies of our communities. Stricter regulations are forcing communities to rethink their stormwater options. Newer more economical ways to meet these regulations use systems that echo nature’s way of handling runoff water.
Stormwater runoff is part of natural drainage processes that occur when it rains. In developed areas, rain is not able to drain properly; the drainage routes that rainwater would normally take are blocked or covered over.
Covering over land, i.e., developing it, interferes with that natural drainage process through:
Opportunities exist to control the impacts of urban runoff if communities: