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Massive metal drums are lined up on a concrete floor.
Rachel Cramer
/
Iowa Public Radio
Environment
Uncommonly high nitrate levels this month lead Des Moines water treatment plant to run removal system
Rachel Cramer
Elevated nitrate levels in the Des Moines and Raccoon rivers prompted Central Iowa Water Works to start up its nitrate removal system this month. A network of water quality sensors shows a similar uptick in other streams and rivers across state.

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