State Standards in Effect for CWA Purposes
- [See Regulation Establishing Water Quality Standards for Surface Waters of the State of Arkansas (PDF)]
(Effective June 4, 2020) State regulation establishing water quality standards for surface waters of the State. Please note that not all parts of this document are effective for Clean Water Act purposes. See cover pages for more information.
Federally Proposed or Promulgated Standards
- None at this time.