Water Infrastructure Financing Act

[AI summary unavailable — showing source text] Water Infrastructure Financing Act - Amends the Federal Water Pollution Control Act to: (1) establish a grant program for technical assistance to rural and small system water treatment works; (2) expand the list of projects eligible for state water pollution control revolving loan fund assistance; (3) provide assistance, including loan forgiveness, for disadvantaged communities; (4) allow a transfer of capitalization grants between revolving loan funds for water pollution control and safe drinking water treatment; and (5) establish a priority system for providing financial assistance from state water pollution control revolving funds. Directs the Administrator of the Environmental Protection Agency (EPA) to establish grant programs for: (1) watershed restoration through the protection or improvement of water quality; and (2) assisting community water systems in meeting the requirements of the Safe Drinking Water Act. Amends the Safe Drinking Water Act to: (1) increase and extend through FY2010 the authorization of appropriations for state drinking water treatment revolving loan funds; and (2) establish a small system revolving loan fund program. Directs the Administrator to: (1) co…