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Clean Water State Revolving Fund

The EPA's Clean Water State Revolving Fund (CWSRF) program provides a permanent source of low-cost financing for a wide range of water quality infrastructure projects. These projects include municipal wastewater treatment and collection, nonpoint source pollution controls, decentralized wastewater treatment systems, green infrastructure, estuary management. Funds to capitalize the program are provided annually through federal grants and state matching funds (equal to 20 percent of federal grants). Monies are loaned to assistance recipients at below-market rates. In addition, states also have the ability to customize loan terms to benefit small and disadvantaged communities. Loan repayments are recycled back into the programs to fund additional projects. Since its inception, the CWSRF has provided over $105.4 billion in assistance to eligible borrowers, including communities of all sizes, farmers, small businesses, and nonprofit organizations. 


Contact Information Contact Information
Clean Water State Revolving Fund
U.S. Environmental Protection Agency
Office of Wastewater Management, SRF Branch (4204M)
Ariel Rios Building, 1200 Pennsylvania Ave., NW
Washington, DC  20460
Phone: (202) 564-0608

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Service Area
National Program



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