State Standards in Effect for CWA Purposes
- [See Ohio Water Quality Standards 3475-1-01 through 3475-1-44 and 3475-1-50 through 3475-1-54 ]
(Effective August 28, 2018) This document establishes water quality requirements for all surface waters of the state.
Federally Proposed or Promulgated Standards
- 40 CFR §131.41 Bacteriological criteria for those states not complying with Clean Water Act section 303(i)(1)(A)
- 40 CFR § 132 Water Quality Guidance for the Great Lakes System