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

2022 Louisiana Water Quality Integrated Report - The 2022 Louisiana Water Quality Integrated Report (sections 305(b) and 303(d) of the Federal Clean Water Act) was submitted to the U.S. Environmental Protection Agency (USEPA) Region 6 on April 1, 2022.  While the 2022 Integrated Report is under review by USEPA the 2020 edition remains in effect. The 2022 Integrated Report documents are provided here as a courtesy. They are not considered final or approved until such time as the USEPA has fully approved the 2022 Integrated Report. 

For more information on the 2022 Louisiana Water Quality Integrated Report please contact Ms. Rachael Mathews at (225) 219-3211 or by email at Rachael.Mathews@LA.GOV

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