Water Quality Standards and Assessment

Surface water management seeks to protect the quality of all waters of the state, including rivers, streams, bayous, lakes, reservoirs, wetlands, estuaries, and many other types of surface water. For more information on surface water quality data, standards, and assessment please email the Water Planning and Assessment Division.

Current Events

The public request for water quality data and information pursuant to the 2022 Integrated Report on Water Quality in Louisiana (Clean Water Act §303(d) and §305(b)) began on July 16, 2021 and ends on August 19, 2021. Further information on the public notice can be found on the Public Notices Webpage

Water Quality Trading

Triennial Review - Surface Water Quality Standards for Louisiana

A Long-Term Vision for Assessment, Restoration, and Protection under the Clean Water Act Section 303(d) Program

All Other Activities, Web Maps and Reports