Oklahoma Water Resources Board the Water Agency

Clean Water State Revolving Fund Loan Program

The Clean Water State Revolving Fund (CWSRF) is a low-interest loan program to assist communities with municipal wastewater/stormwater infrastructure construction projects and other pollution control projects.

New in CWSRF Program!


Quantifying the Benefits of your WWTP

Wastewater Planning Guide

A Fiscal Sustainablity Plan Template

SFY 2016 Intended Use Plan with Amendment

CWSRF SFY 2015 Draft Annual Report


Eligible Entities for CWSRF funding

  • Counties
  • Towns and municipalities
  • Public Works Authorities
  • School districts
  • Districts formed under Title 82 of the State’s statutes as follows:
    • Water conservancy districts
    • Rural sewage districts
    • Irrigation districts

Eligible Projects for CWSRF funding

• Secondary and advanced treatment • Urban Brownfield
• Inflow/Infiltration correction • Stormwater Projects 2060!
• Sewer Replacement/Rehabilitation • Green Infrastructure 2060!
• New Collector and Interceptor Sewers • Water Efficiency 2060!
• Nonpoint Source Implementation • Water Reuse 2060!
• Land acquisition for construction NEW! • Energy Efficiency
• Facility security systems • Environmentally Innovative
• Decentralized wastewater systems  

Loan Requirements

Applicants must submit preliminary and final loan applications, engineering report/planning documents, and environmental information documents (where necessary). Please contact us (above) for more information.

American Iron and Steel (AI&S) Provision

Per the FFY2014 Appropriation Act, Buy American provisions apply with regard to iron and steel products.

Ranking Requirements

Projects are ranked and listed on a funding Project Priority List (PPL). Projects ready to proceed with construction/loan closing, fulfill the goals of the Water For 2060 initiative of conservation and reuse, restore and protect waterbodies not meeting beneficial uses, and other such factors, receive additional points.

Report Archives

Annual Reports

FY 2015 CWSRF Program

FY 2014 CWSRF Program

FY 2013 CWSRF Program

Other Archives


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Page last updated: September 25, 2015

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