Previous definitions of “waters of the United States” regulated all tributaries without qualification. This final rule more precisely defines “tributaries” as waters that are characterized by the presence of physical indicators of flow—bed and banks and ordinary high water mark—and that contribute flow directly or indirectly to a traditional navigable water, an interstate water, or the territorial seas. The rule concludes that such tributaries are “waters of the United States.”
下面是小河的图。如果我拥有土地1，2，3。可以把小河填掉吗?
https://www.epa.gov/wotus/about-waters-united-states
Read the definition here. Good luck.
Tributaries
Previous definitions of “waters of the United States” regulated all tributaries without qualification. This final rule more precisely defines “tributaries” as waters that are characterized by the presence of physical indicators of flow—bed and banks and ordinary high water mark—and that contribute flow directly or indirectly to a traditional navigable water, an interstate water, or the territorial seas. The rule concludes that such tributaries are “waters of the United States.”
https://www.federalregister.gov/documents/2015/06/29/2015-13435/clean-water-rule-definition-of-waters-of-the-united-states
干劲也太大了。
是不是就没有排水问题了？