PAS Memo

PAS Memo is an online newsletter published six times a year that reaches thousands of practitioners through APA's Planning Advisory Service.

About PAS Memo

Today's planners need to stay informed about innovative strategies and techniques for a wide range of planning topics.

PAS Memo delivers this information to you. It highlights current cutting-edge topics — such as green roofs and climate change adaptation — while providing the latest findings and best practices in classic planning areas such as stormwater management and housing affordability.

PAS Memo is written by practicing planners and experts in the field eager to share their expertise through illuminating case studies. Each article provides a list of links to online resources for planners who want to dig deeper.

PAS Memo is available to Planning Advisory Service subscribers only.

Current Issue

May/June 2015

Getting Ready for the Rain: Urban Flooding and Planning for Community Resilience

When flooding makes the news, water-soaked properties are usually on the coasts or the riverbanks — think coverage of Hurricanes Katrina or Sandy or the Mississippi River in the Midwest come spring. But there's another kind of flooding that is hidden, more insidious, and hard to predict.

Urban flooding happens when property, often in more densely populated areas, is inundated by rain overwhelming the capacity of storm sewers and other drainage systems, often in areas far from any floodplain. Whether it's sewage backing up into basements or runoff seeping through walls and foundations, urban flooding can be devastating — especially when it happens year after year, storm after storm. Yet planners know little about it and there are few tools available to address it.

This PAS Memo explains why and how urban flooding occurs, introduces community resilience planning as a tool to help reduce urban flooding and mitigate its impacts, and closes with a list of broader tips for planners on how to best address this issue in their communities.

Read the full article

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