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Polk County officials describe "wetland wave" and investments to reduce nitrates
Summary
Polk County speakers outlined investments in cover crops, saturated buffers and a county "wetland wave" program to filter water and reduce nitrates, and said the county is partnering with the Iowa Department of Agriculture and Land Stewardship; funding amounts were not specified.
Speaker 2, a Polk County representative, said the county is pursuing a "wetland wave" to restore wetlands that filter runoff and improve water quality. "For us here at Polk County, one of the most important aspects of a wetland is they filter water very much like nature's kidney," the speaker said.
An unidentified speaker said public expectations are high that government will make "substantial investments in water quality," and linked those expectations to health concerns,…
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