is the bonnet carre spillway open today

Is the Bonnet Carré Spillway Open Today?

By John MillerMarch 19, 2026

The Bonnet Carré Spillway, a crucial flood control structure in Louisiana, is a topic of significant interest, especially during the spring season. If you're wondering, "Is the Bonnet Carré Spillway open today?", this article aims to provide you with the most up-to-date and comprehensive information.

Before delving into the current status, let's first understand the Bonnet Carré Spillway, its purpose, and how it operates.

Understanding the Bonnet Carré Spillway

The Bonnet Carré Spillway is a flood control structure located in St. Charles Parish, Louisiana. It's a critical component of the Mississippi River's flood management system, designed to protect New Orleans and other cities along the river from devastating floods.

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Constructed between 1929 and 1931, the spillway consists of a series of structures, including a control structure, a spillway channel, and a navigation lock. It's operated by the U.S. Army Corps of Engineers (USACE), which monitors river levels and opens the spillway as needed to prevent flooding.

How the Bonnet Carré Spillway Works

The primary function of the Bonnet Carré Spillway is to divert excess floodwaters from the Mississippi River into Lake Pontchartrain. This is achieved by opening the control structure's gates, allowing water to flow through the spillway channel into the lake.

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In addition to flood control, the spillway also plays a role in maintaining the Mississippi River's navigation channel. The navigation lock allows vessels to bypass the spillway when it's in operation, ensuring continuous river traffic.

Factors Affecting the Spillway's Operation

Several factors influence whether the Bonnet Carré Spillway is open or closed at any given time. These include:

Mississippi River Levels: The USACE monitors river levels at various points along the Mississippi. When levels reach a certain threshold, the spillway may be opened to prevent flooding.
Lake Pontchartrain Levels: The lake's water levels also play a role in the spillway's operation. If Lake Pontchartrain is already high due to rain or other factors, the spillway may not be opened to prevent further lake flooding.
Weather Forecasts: The USACE considers weather forecasts when deciding whether to open or close the spillway. If heavy rain is expected, the spillway may be opened in anticipation of increased river flows.

Checking the Current Status of the Bonnet Carré Spillway

Now that you understand how the Bonnet Carré Spillway works, you might be wondering, "How can I find out if the Bonnet Carré Spillway is open today?"

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There are several ways to check the current status of the spillway:

USACE's Official Website

The USACE maintains an official website with real-time information about the Bonnet Carré Spillway. You can find the latest status, including whether the spillway is open or closed, as well as river and lake levels, and other relevant data.

To check the status, visit the USACE's New Orleans District website (https://www.mvn.usace.army.mil/) and navigate to the "Water Management" section. Here, you'll find the latest information on the Bonnet Carré Spillway.

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Social Media and Local News

Local news outlets and social media platforms often provide updates on the Bonnet Carré Spillway's status. Following these sources can help you stay informed about any changes in the spillway's operation. Some reliable sources include:

Staying informed about the Bonnet Carré Spillway's status is essential for residents and visitors alike, as it plays a crucial role in protecting lives and property from flooding. By understanding how the spillway works and checking reliable sources for updates, you can stay prepared and safe.

As the Mississippi River and Lake Pontchartrain continue to shape the unique culture and ecology of Louisiana, the Bonnet Carré Spillway remains a vital part of the region's infrastructure. Keep an eye on the spillway's status, and stay informed about the latest developments in flood control and water management in the Pelican State.