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Carter Lake, IA is a unique city because it is the only city in Iowa located west of the Missouri River. In March of 1877, there was a major flood that changed the flow of the Missouri River, thus creating an oxbow lake. This lake was called Carter Lake, which is how the town got its name.
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What's New in Carter Lake IA
2026.6.1
July 16, 2026
Bug fixes and performance improvements.


