2001: The Pew Commission Report showed gaps in our ability to understand how the environment impacts our health.
2002: Congress provided the CDC with funds to establish the National Environmental Public Health Tracking Program (CDC Tracking).
2003: Louisiana Act 666 requires the state to develop an environmental health surveillance system to track physical, chemical, biological, and social factors that may play a role in the development of chronic diseases affecting the citizens of Louisiana. Act 666 Text
2003-2006: LDH received approximately $1 million from the CDC to establish and to develop, the LA Environmental and Health Effects Tracking Program (LEHET) over a three year period.
2006: Congress provided the CDC with funds to develop the National Environmental Public Health Tracking Network (EPHT).
2009: The CDC launched the National EPHT Network.
2009: LDH received funding from the Association of State and Territorial Health Officials (ASTHO) to develop and evaluate a GIS-based surveillance system linking blood mercury and fish tissue mercury levels.
2009: LDH received approximately $3.4 million to develop the Louisiana Environmental Public Health Tracking Network (LDH Tracking Network) over a five year period.
2014-2017: LDH won continuation funding to maintain and enhance the state tracking network.
2017: LDH received new grant funding towards enhancing innovation and capabilities of the LDH Tracking Network.