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Oklahoma Water Resources Board
1998 Oklahoma Unified Watershed Assessment: review of State watershed conditions used to prioritize water quality improvement efforts
Document:click here
2002 Oklahoma 303(d) List: tabulated information on impaired water bodies in the State
Document:click here
Oklahoma Water Quality Standards: unofficial online version of water rules and regulations for the State
Document:click here
Resource Review
EPA's Nonpoint Source News: Articles, resources, and helpful tips
Document:click here