Comparative Stormwater Storage Needed in Two Development Scenarios

38 acre Residential Development

36% I

3 acre Commercial Development

63% I

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These charts depict the percentage of stormwater storage needed for the four major (i.e., largest volume requirements) criteria in two development scenarios with different impervious cover levels. More storage is required for channel protection and water quality in the watershed with higher impervious cover. Storage volumes were calculated based on the proposed criteria presented in this slide show.