Kayla Lyon has been appointed director of the Iowa Department of Natural Resources, effective July 8. She will replace Bruce Trautman, who has served as the agency's acting director since May 2018, and is DNR's first female director.
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Because dredged material and other material that is defined as fill are also defined as “pollutants,” the overlap has generated controversy over whether discharges of certain dredged or fill material must be authorized by a permit under only the Clean Water Act Section 404 or under both Sections 402 and 404.