flood less new orleans

The way Greater New Orleans manages water creates three main problems: flooding, subsidence, and pollution.


If you’re a New Orleans resident, you can support Flood Less New Orleans by sending Mayor Cantrell a message calling on her to commit to better stormwater management as well as funding and policies that promote green infrastructure.

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The Problem

The way Greater New Orleans manages water creates three main problems: flooding, subsidence, and pollution.

Localized street flooding during storm event in NOLA.
Localized street flooding during storm event in NOLA.

Louisiana has a Master Plan for a Sustainable Coast that incorporates natural, coastal lines of defense for flood protection. Yet, the challenge of managing stormwater and flooding behind the levees in urban areas remains.New Orleans is one of the rainiest cities in the country, with over 62 inches falling per year. Because of rain and poor stormwater management, the city is often swamped. Localized street flooding in many neighborhoods floods cars and damages homes and businesses. The floodwaters collect debris, oil, lawn fertilizers, pesticides, and industrial chemicals. Better stormwater management will lead to a decrease in flooding.

The current system of pumping rain through miles of drainage pipes, then lifting polluted water over the levees and into Lake Pontchartrain costs over $50 million per year. This process dries out the soil, causing the city to sink and polluting the lake. Running the pumps emits considerable carbon dioxide, contributing to climate change, which causes sea level rise and poses a significant threat to our region.

The Opportunity

The Greater New Orleans region can become a leader in sensible water policy. Stormwater could be seen as a resource to be captured and used, instead of a nuisance to be disposed of and hidden.

The City and private entities have spearheaded successful pilot projects and learned many lessons along the way. Now there is an opportunity to use these lessons learned to shift the way the region manages stormwater as a whole, but that has to be driven by citizen involvement.

Stormwater technologies like rain gardens, bioswales, and pervious paving, can prevent flooding by slowing drainage and safely storing and filtering water. Slowing and storing the water minimizes the burden on the city’s aging and crumbling drainage infrastructure. Canals can be transformed into beautiful public spaces that hold water while contributing to a higher quality of life.

Both natural and man-made land features are necessary to protect the Greater New Orleans area’s unique culture and productive economy. Implementing an integrated stormwater management plan can help retain, safely store, and naturally filter water before it is drained to Lake Pontchartrain and surrounding wetlands. By building a smarter stormwater management system, New Orleans will strengthen its coastal lines of defense while reducing risks and protecting homes, communities, and the economy.

The Greater New Orleans region can become a leader in sensible water policy.

What Healthy Gulf Members Are Doing

Healthy Gulf continues to be a leader in the Water Collaborative of Greater New Orleans.

Healthy Gulf continues to be a leader in the Water Collaborative of Greater New Orleans. We are committed to bringing additional neighborhood and church leaders into the conversation and helping them succeed at a grassroots level to reduce street flooding, subsidence, and street runoff pollution.

The Water Collaborative is a group of individuals, organizations, and communities working to address critical water issues throughout Greater New Orleans, guided by the vision of the Greater New Orleans Urban Water Plan. Working within the Water Collaborative, we are engaging and mobilizing a variety of constituencies — including low-income communities and communities of color—to persuade the City of New Orleans to strategize and implement new measures that will help New Orleans flood less.

WHAT YOU CAN DO

If you’re a New Orleans resident, you can support Flood Less New Orleans by sending Mayor Cantrell a message calling on her to commit to better stormwater management as well as funding and policies that promote green infrastructure.

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