Water: Water Quality Standards
Federally Proposed or Promulgated Standards
- Final Water Quality Standards Bacteria Rule for Coastal and Great Lakes Recreation Waters (November 8, 2004)
- Identification of Approved and Disapproved Elements of the Great Lakes Guidance Submissions from Michigan, Ohio, Indiana, and Illinois and Final Rule (PDF) (11 pp, 282K) (August 4, 2000)
State-Issued Water Quality Standards
View unofficial copies of authorized Ohio Water Quality Standards that EPA has approved or are otherwise in effect for Clean Water Act purposes.