Brown and Caldwell is providing technical assistance and oversight on Chesapeake Bay TMDL and nutrient regulatory issues to the Virginia Association of Municipal Wastewater Agencies (VAMWA). Brown and Caldwell participates in U.S. EPA-Chesapeake Bay Program work groups, reviews technical materials, and conducts independent data analysis and modeling. The work ensures sound science and that proper scientific and modeling results are applied to environmental regulations and policy.