This document discusses several bills proposed in the 112th Congress that aimed to roll back clean water protections. It outlines key provisions of H.R. 2018, called the "Dirtiest Water Bill", which would limit the federal government and EPA's authority to enforce clean water standards and protect water quality. The document also notes that appropriation levels for environmental programs have been declining and lists several amendments proposed to attach regulations and funding for clean water and Great Lakes restoration efforts.