The National Association of Wheat Growers joined more than 70 other agriculture organizations to request an extension of the public comment period for Environmental Protection Agency’s (EPA) Waters of the U.S. regulation on Thursday.

EPA released the proposal in April with a 90- day comment period and a 45- day comment period on an accompanying interpretative rule linked to exclusions for the Natural Resources Conservation Services (NRCS) conservation practices.

Thursday’s letter asked for an extension of both comment periods and additionally requests that EPA consider extension of the comment period until after the release of the Connectivity Report currently under review by EPA’s Scientific Advisory Board. EPA’s proposed regulation adds provisions to include “other waters” as jurisdictional on a case-by-case basis based on having a significant nexus to otherwise jurisdictional waters.

The proposal also includes new definitions for floodplains and tributaries, which would be jurisdictional waters under the Clean Water Act and significant nexus. NAWG is currently working to develop comments on the proposed regulation.

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