To amend the Safe Drinking Water Act to increase assistance for States, water systems, and disadvantaged communities; to encourage good financial and environmental management of water systems; to strengthen the Environmental Protection Agency's ability to enforce the requirements of the Act; and for other purposes.

Assistance, Quality, and Affordability Act of 2014 - Amends the Safe Drinking Water Act to reauthorize, revise, and increase funding for the drinking water state revolving fund (SRF) for FY2015-FY2017. (The Drinking Water SRF program awards capitalization grants to states, which in turn provide financial assistance to public water systems for infrastructure improvements.) Expands the list of...