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US Army Corps of EngineersWater Management Data

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Deliver vital engineering solutions, in collaboration with our partners, to secure our Nation, energize our economy, and reduce disaster risk.

About this Website

The CWMS Data Dissemination website is a public accessible map based repository of water resources data that includes elevation, precipitation, storage, and flow status of USACE reservoir and lock & dam projects.All data contained herein is preliminary in nature and therefore subject to change. The data is for general information purposes ONLY and SHOULD NOT be used in technical applications such as, but not limited to: studies, designs or critical decision support.v1.0.0

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