The Trump Administration’s Navigable Waters Protection Rule (NWPR) went into effect on June 21, 2020.  The NWPR greatly reduces federal jurisdiction over both streams and wetlands.  Most significantly has been the impact to ephemeral streams (i.e. streams that have water only when it rains or there is snow fall).

However, even intermittent streams have less

What action was taken to define the scope of federal jurisdiction?

On January 23, 2020, the Trump Administration released the final version of the Navigable Waters Protection Rule (NWPR), which defines which waters and wetlands are protected under the Clean Water Act. The NWPR replaces the Obama Administration’s “Waters of the United States” (WOTUS) rule.