It includes the Drinking Water State Revolving Fund (DWSRF) program, established in 1996 to help public water systems finance infrastructure projects needed to comply with federal drinking water regulations and to meet the SDWA’s health objectives.
Under this program, states receive annual capitalization grants to provide financial assistance (primarily subsidized loans) to public water systems for drinking water projects and other specified activities.
Between FY1997 and FY2015, Congress had appropriated approximately $20 billion, and more than 12,400 projects had received assistance through the program.
EPA reports that, although all of the projects identified in the survey would promote the public health objectives of the SDWA, just $42.0 billion (10.9%) of reported needs are attributable to SDWA compliance.
For FY2017, President Obama requested $20.0 million for EPA to begin providing loan guarantees for water infrastructure projects under WIFIA.
114-254, the Continuing and Security Assistance Appropriations Act of 2017.
For FY2016, the President requested $1.19 billion for the DWSRF program, and Congress provided $863.2 million.
In the 114th Congress, the Water Infrastructure Improvements for the Nation Act (WIIN Act; P.L.
114-322) made several revisions to the DWSRF program and authorized $100 million in DWSRF appropriations to Michigan to assist the city of Flint in repairing its drinking water infrastructure.
114-254, Congress appropriated the funding authorized in the WIIN Act to assist Flint.

CRS Report: ‘Safe Drinking Water Act (SDWA) – A Summary of the Act and Its Major Requirements’.
Click on the graphics to enlarge them.
Summary This report summarizes the Safe Drinking Water Act (SDWA) and its major programs and regulatory requirements.
It reviews revisions to the act since its enactment in 1974, including the drinking water security provisions added to the SDWA by the Public Health Security and Bioterrorism Preparedness and Response Act of 2002 (P.L.
107-188) and lead reduction provisions as amended by P.L.
111-380 (including amendments made by P.L.
First enacted in 1974 and substantially amended and reauthorized in 1986 and 1996, the act is administered through programs that establish standards and treatment requirements for public water supplies, promote compliance capacity of public water systems, provide technical assistance to small water systems, control the underground injection of fluids, finance infrastructure projects, and protect sources of drinking water.
In the Safe Drinking Water Act Amendments of 1996 (P.L.
104-182), Congress reauthorized appropriations for most SDWA programs through FY2003.
In addition to reviewing key programs and requirements of the SDWA, this report includes statistics on the number and types of regulated public water systems and lists all major amendments with the year of enactment and public law number.