http://www.motherjones.com/news/feature/2003/36/ma_495_01.htmlSNIP....."Until January 10, 2003, many of the streams and wetlands on 3,997 acres of the expansion area were protected by the Clean Water Act. But on that date the Bush administration, through its Army Corps of Engineers and Environmental Protection Agency (EPA), issued a "guidance document" instructing field agents on how not to apply the Clean Water Act. No longer were they to bust parties who filled or fouled "isolated waters" that are non-navigable and "intrastate" (completely in one state) just because migratory birds are present.
No definition of "isolated waters" was provided, but the agencies have since proclaimed them to be streams that flow intermittently or dip underground, and wetlands that don't have obvious connections to larger waters. The document also ordered agents to seek "headquarters approval" before issuing a citation, thereby dooming enforcement by initiating an endlessly ascending chain reaction of butt-covering permission requests...."