Clean Water State Revolving Fund (CWSRF)
The CWSRF program is a federal-state partnership that provides low-cost financing to communities for a wide range of water quality infrastructure projects, including municipal wastewater facilities, nonpoint source pollution control, decentralized wastewater treatment systems, stormwater runoff mitigation, green infrastructure, estuary protection, and water reuse.
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About the CWSRF
Learn the basics about how the CWSRF works, project eligibilities, types of assistance, and how the CWSRF safeguards the nation's water resources and public health.
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Implementation
Find CWSRF laws, regulations, policies, and the annual allotment of federal funds. Learn how the CWSRF addresses emerging contaminants.
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Reports and Resources
Explore the SRF Portal for Clean Water SRF and Drinking Water SRF data using interactive reports, dashboards, and maps to learn where water infrastructure investments are made. Read annual reports that showcase the CWSRF's progress over time. View the Clean Watersheds Needs Survey results.
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Project Eligibilities
Discover the flexibility of the CWSRF to fund a wide array of water quality projects. View factsheets and learn about innovative projects and nontraditional financing options.
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Project Success Stories
Explore case studies of projects funded by state CWSRFs across the nation that have contributed to cleaner waterways, more resilient ecosystems, and greater economic opportunity. Learn about CWSRF assistance recipients recognized by the PISCES program for exceptional projects.
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AIS and BABA Requirements
Learn about American Iron and Steel Requirements and about Build America, Buy America Requirements for water and wastewater infrastructure projects.