more... > W.A.Callegari Environmental Center > Water Quality > Water Quality [Image: Landfill] The environment is the world in which we live, both the living and the non-living. Louisiana's Total Maximum Daily Load (TMDL) Facts [Image: Louisiana's Total Maximum Daily Load (TMDL) Facts] A TMDL is a pollution budget for a specific waterbody (river, lake, stream, etc.). It is the maximum amount of a pollutant that can be released into a waterbody without causing the waterbody to become impaired and/or violate state water quality standards. Information on point and nonpoint sources and the history of TMDLs is included.