Office of Environmental Services

Contact Information

P O Box 4313
Baton Rouge, LA 70821-4313

Phone: (225) 219-3181
Fax: (225) 219-3309


Assistant Secretary
Bliss Higgins


Air Permits – Administrator
Bryan Johnston

Johnston is a graduate of Louisiana State University and has been employed by the Louisiana Department of Environmental Quality since March of 1997. During his tenure with LDEQ, he has worked primarily worked to prepare and review air permitting actions.



Water Permits – Administrator
Scott Guilliams

Guilliams has worked at LDEQ for 26 years. He holds a Bachelor of Science degree in zoology from LSU. Guilliams was the administrator of waste permits for two years, then the administrator of water permits for three years.


Waste Permits – Administrator
Yolunda Righteous

Righteous serves as the administrator for the Waste Permits Division of the Office of Environmental Services, She returned to LDEQ in January 2018 in the Remediation Division. In March 2018 was promoted to environmental scientist supervisor. In July 2020, she was promoted to administrator. She is a Baton Rouge native with a Bachelor of Science Degree in Biology and a Juris Doctorate. 


Righteous served as the Waste Services Director for a local engineering and environmental firm.   She is also a Board Member of the Louisiana Solid Waste Association (LSWA) where I serve as the Conference Chair for the LSWA/LDEQ Louisiana Environmental Conference and Trade Fair.  


She serves as the Region 4 Director and a member of the Board of Directors for the Solid Waste Association of North America (SWANA), and Region 6 Board Member for the Association of State and Territorial Solid Waste Management Officials (ASTSWMO). 


Public Participation and Permit Support Services – Administrator
Tonya Landry

Landry earned a Bachelor of Science in Animal Science at the Louisiana State University. She began her career with LDEQ as an Environmental Scientist and later was promoted to a supervisor in the Air Enforcement Division.


Landry moved to the Public Participation & Permit Support (PPPSD) group where she served as the manager of the Permit Support Group. PPPSD restructured and she was promoted to manager of the Notifications and Accreditations Group. Landry was again promoted and serves as administrator of the  Public Participation and Support Services group.




The mission of the environmental services program is to ensure that the citizens have a clean and healthy environment to live and work in for present and future generations. This will be accomplished by regulating pollution sources, providing permitting activities consistent with laws and regulations, providing interface between the department and businesses and customers, providing permit support services and improved public participation The permitting activity will provide single entry/contact point for permitting, including a multi-media team approach; improved permit tracking; and the ability to focus on applications with highest potential for environmental impact.