# USACE Completes Underwater Sill as Mississippi River Levels Fall

> The Army Corps New Orleans District completed an underwater sill across the Mississippi channel on October 10 to block saltwater intrusion from the Gulf. The intrusion is driven by low river flow. The sill is a mitigation feature tied to deepening the shipping channel.

- Date: 2025-10-20 · published 2025-10-20T12:00:00.000Z
- Category: logistics · region US · magnitude low
- Page: https://feedsoft.ai/events/16415-usace-completes-underwater-sill-as-mississippi-river-levels-fall
- Commodities: [Barge Freight (St. Louis)](https://feedsoft.ai/c/BARGE.md), [Ocean Grain Freight](https://feedsoft.ai/c/OCEANFRT.md)

## Why it matters

Low flows threatening saltwater intrusion point to continued low-water shipping constraints near the Gulf, which supports freight costs and slows grain export movement.

## Read by commodity

- BARGE: bullish ▲
- OCEANFRT: bullish ▲

## Sources

- dtnpf.com: https://www.dtnpf.com/agriculture/web/AG/blogs/market-matters-blog/blog-post/2025/10/20/usace-completes-underwater-sill-fall

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.