Water - As introduced, clarifies that an ephemeral wet weather conveyance is not a stream under the Water Quality Control Act; defines "isolated wetlands" and clarifies that isolated wetlands are not waters under the act; prohibits requiring a permit or other authorization under the act for impacts to isolated wetlands; makes other related changes to the act. - Amends TCA Title 4; Title 11, Chapter 14, Part 4; Title 66; Title 68 and Title 69.