Clean Water State Revolving Fund Program

The federal Water Quality Act of 1987 (the Act) created the State Revolving Fund Loan Program (commonly known as the SRF). The Act authorized low-interest loans for the construction of publicly owned wastewater treatment works (POTWs), for the implementation of a nonpoint source (NPS) pollution control management program, and for the implementation of an estuary conservation and management program. In 1988, the Hawaii State Legislature passed Act 365 establishing a State Water Pollution Control Revolving Fund to receive the federal capitalization grant. This Act was later superseded by HRS Chapter 342D-Part V.

The Clean Water SRF (CWSRF) Program assists in financing the construction of water pollution control projects necessary to prevent contamination of our groundwater and coastal water resources and to protect and promote the health, safety, and welfare of the citizens of the State of Hawaii. The CWSRF Program provides low-interest loans to county and state agencies to construct point source and nonpoint source water pollution control projects.

If you are a state or county agency wanting more program information, contact us at (808) 586-4294.

Downloads are in Adobe Acrobat (.pdf) or MS Word (.doc) formats unless otherwise specified.


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Announcements and Updates


  • 10/10/2025 – C150051-88 Public Notice | .pdf | and Reaffirmation of FEIS/ROD | .pdf |
  • 8/29/2025 – Learn more on supporting cybersecurity measures with CWSRF listed in quick-links below
  • 8/18/2025 – Intended Use Plan (IUP) for State Fiscal Year (SFY) 2026 and Federal Fiscal Year (FFY) 2025 | .pdf |

Environmental Review
All CWSRF-funded projects involving the construction of treatment works, must undergo an environmental review.

Intended Use Plan (IUP)
The State of Hawaii must prepare a plan identifying the intended uses of the funds in the CWSRF and describe how those uses support the goals of the CWSRF.

Federal Forms
As applicable, required federal documentation. For additional guidance, contact the CWSRF engineer.

  • 5700-52a MBE/WBE Utilization Under Federal Grants, Cooperative Agreements, and Interagency Agreements
    (Suspended until further notice)