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Water Source Protection Week: Purple Martin Lake

October 1, 2025

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❓Did you know that Central Iowa Water Works owns the Purple Martin Lake Water Resource Area?


🚲Purple Martin Lake was once used as a sand, rock and gravel quarry. Through a decade old agreement, the area is now managed in partnership with the Iowa Department of Natural Resources and serves as both a future source of drinking water and a public recreation area.


💧This partnership is one way that CIWW and our members protect our water resources!



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