Water Infrastructure Financing: History of EPA Appropriations. Congressional Research Service. Jonathan L. Ramseur, Mary Tiemann. Updated April 10, 2019
The principal federal program to aid municipal wastewater treatment plant construction is authorized in the Clean Water Act (CWA). Established as a grant program in 1972, it now capitalizes state loan programs through the clean water state revolving loan fund (CWSRF) program. Since FY1972, appropriations have totaled $98 billion. In 1996, Congress amended the Safe Drinking Water Act (SDWA, P.L. 104-182) to authorize a similar state loan program for drinking water to help systems finance projects needed to comply with drinking water regulations and to protect public health. Since FY1997, appropriations for the drinking water state revolving loan fund (DWSRF) program have totaled $23 billion. The U.S. Environmental Protection Agency (EPA) administers both SRF programs, which annually distribute funds to the states for implementation. Funding amounts are specified in the State and Tribal Assistance Grants (STAG) account of EPA annual appropriations acts. The combined appropriations for wastewater and drinking water infrastructure assistance have represented 25%-32% of total funds appropriated to EPA in recent years.
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